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Difficulty: 3 of 5Burning ropes (in Logic) Rating: 3.73
Posted on 2002-03-28 by levik (Solution Posted, 13 Comments)
Difficulty: 3 of 5Bob and his brother (in Logic) Rating: 3.59
Posted on 2002-04-22 by levik (Solution Posted, 23 Comments)
Difficulty: 3 of 5Bob and his brother, revisited (in Logic) Rating: 3.18
Posted on 2002-04-24 by levik (Solution Posted, 6 Comments)
Difficulty: 2 of 5Mr and Mrs Brown (in Logic) Rating: 2.86
Posted on 2002-04-26 by levik (Solution Posted, 9 Comments)
Difficulty: 3 of 5Incorrect information. (in Logic) Rating: 3.64
Posted on 2002-04-27 by levik (Solution Posted, 12 Comments)
Difficulty: 3 of 5A Mad tea party (in Logic) Rating: 2.67
Posted on 2002-04-30 by levik (Solution Posted, 4 Comments)
Difficulty: 4 of 5A Queen's decree (in Logic) Rating: 4.29
Posted on 2002-05-03 by levik (Solution Posted, 4 Comments)
Difficulty: 3 of 5The three sages (in Logic) Rating: 3.55
Posted on 2002-05-05 by levik (Solution Posted, 12 Comments)
Difficulty: 3 of 5Colored hats (in Logic) Rating: 3.18
Posted on 2002-05-08 by Dan (Solution Posted, 12 Comments)
Difficulty: 4 of 5Tricky Area (in Logic) Rating: 3.57
Posted on 2002-05-10 by levik (Solution Posted, 11 Comments)
Difficulty: 2 of 5Light bulb (in Logic) Rating: 3.25
Posted on 2002-05-16 by Half-Mad (Solution Posted, 17 Comments)
Difficulty: 3 of 5Light at the end of the tunnel (in Logic) Rating: 3.50
Posted on 2002-05-26 by levik (Solution Posted, 12 Comments)
Difficulty: 3 of 5The general's journey (in Logic) Rating: 4.40
Posted on 2002-05-29 by levik (Solution Posted, 16 Comments)
Difficulty: 2 of 5Ties (in Logic) Rating: 2.00
Posted on 2002-05-29 by Half-Mad (Solution Posted, 14 Comments)
Difficulty: 3 of 5Yum, arsenic! (in Logic) Rating: 4.38
Posted on 2002-05-29 by Half-Mad (Solution Posted, 10 Comments)
Difficulty: 4 of 5The party (in Logic) Rating: 3.69
Posted on 2002-06-20 by TomM (Solution Posted, 16 Comments)
Difficulty: 2 of 5A better deal (in Logic) Rating: 2.65
Posted on 2002-06-21 by vohonam (Solution Posted, 14 Comments)
Difficulty: 2 of 5Old man - older problem (in Logic) Rating: 3.24
Posted on 2002-06-28 by qball (Solution Posted, 17 Comments)
Difficulty: 2 of 5Mutually friendly (in Logic) Rating: 3.00
Posted on 2002-07-01 by levik (Solution Posted, 11 Comments)
Difficulty: 2 of 5Eggalicious (in Logic) Rating: 2.79
Posted on 2002-07-05 by qball (Solution Posted, 20 Comments)
Difficulty: 2 of 5More hats! (in Logic) Rating: 3.46
Posted on 2002-07-15 by levik (Solution Posted, 10 Comments)
Difficulty: 5 of 5A locked safe (in Logic) Rating: 4.19
Posted on 2002-07-16 by levik (Solution Posted, 43 Comments)
Difficulty: 3 of 5A Pack of Prudent Pirates (in Logic) Rating: 4.38
Posted on 2002-08-19 by levik (Solution Posted, 17 Comments)
Difficulty: 4 of 5Smart prisoners always get a break (in Logic) Rating: 4.36
Posted on 2002-08-27 by levik (Solution Posted, 28 Comments)
Difficulty: 2 of 5Bus (in Logic) Rating: 3.08
Posted on 2002-09-06 by levik (Solution Posted, 15 Comments)
Difficulty: 3 of 5Calendar Cubes (in Logic) Rating: 3.38
Posted on 2002-09-09 by levik (Solution Posted, 13 Comments)
Difficulty: 3 of 5Calendar Cubes pt 2 (in Logic) Rating: 4.14
Posted on 2002-09-13 by Happy (Solution Posted, 6 Comments)
Difficulty: 4 of 5Four Perfect Logicians (in Logic) Rating: 3.62
Posted on 2002-09-24 by Chris Middlemiss (Solution Posted, 28 Comments)
Difficulty: 3 of 5The three daughters (in Logic) Rating: 3.41
Posted on 2002-10-31 by maverick (Solution Posted, 15 Comments)
Difficulty: 2 of 5Two Barbers (in Logic) Rating: 3.73
Posted on 2002-12-27 by Matthew Bobbins (Solution Posted, 21 Comments)
Difficulty: 2 of 5A Drinking Problem (in Logic) Rating: 3.13
Posted on 2002-12-18 by cges (Solution Posted, 22 Comments)
Difficulty: 3 of 5The Letter (in Logic) Rating: 3.00
Posted on 2002-12-08 by pleasance (Solution Posted, 28 Comments)
Difficulty: 1 of 5Dances with Wolves (in Logic) Rating: 2.42
Posted on 2002-12-22 by cges (Solution Posted, 13 Comments)
Difficulty: 5 of 5The Punched-Out Numeral (in Logic) Rating: 3.45
Posted on 2002-12-27 by Vivian (Solution Posted, 11 Comments)
Difficulty: 3 of 5Which Game? (in Logic) Rating: 2.83
Posted on 2002-12-31 by cges (Solution Posted, 19 Comments)
Difficulty: 2 of 5The 3 cans (in Logic) Rating: 2.81
Posted on 2003-01-18 by Alan (Solution Posted, 14 Comments)
Difficulty: 2 of 52 guesses, 3 hats (in Logic) Rating: 2.32
Posted on 2003-01-17 by Alan (Solution Posted, 10 Comments)
Difficulty: 3 of 5Christmas Returns (in Logic) Rating: 3.67
Posted on 2003-01-26 by sweet-paradox (Solution Posted, 6 Comments)
Difficulty: 4 of 5The Three Logicians - (in Logic) Rating: 4.14
Posted on 2003-01-22 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 4 of 5Fathers and Sons (in Logic) Rating: 4.36
Posted on 2003-01-27 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5How Many Children ? (in Logic) Rating: 2.38
Posted on 2003-01-28 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Bank Robbery (in Logic) Rating: 2.53
Posted on 2003-01-29 by Ravi Raja (Solution Posted, 20 Comments)
Difficulty: 3 of 5Puppies (in Logic) Rating: 2.36
Posted on 2003-01-30 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 3 of 5So obvious....? (in Logic) Rating: 3.36
Posted on 2003-02-19 by Anoop (Solution Posted, 38 Comments)
Difficulty: 3 of 5Round Table (in Logic) Rating: 2.20
Posted on 2003-05-30 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 3 of 5Men, Women and Pets (in Logic) Rating: 3.13
Posted on 2003-02-21 by Mack (Solution Posted, 23 Comments)
Difficulty: 2 of 5Black and White (in Logic) Rating: 3.13
Posted on 2003-02-25 by Ravi Raja (Solution Posted, 25 Comments)
Difficulty: 3 of 5The Ten Statements (in Logic) Rating: 3.78
Posted on 2003-02-25 by Ravi Raja (Solution Posted, 63 Comments)
Difficulty: 3 of 5Who Stole the Birdseed? (in Logic) Rating: 3.03
Posted on 2004-10-21 by Captain Paradox (Solution Posted, 134 Comments)
Difficulty: 4 of 5Lotsa statements (in Logic) Rating: 3.40
Posted on 2003-03-03 by Gautam (Solution Posted, 4 Comments)
Difficulty: 4 of 5Around The World (in Logic) Rating: 3.46
Posted on 2003-03-20 by Ravi Raja (Solution Posted, 140 Comments)
Difficulty: 5 of 5The Best Strategy (in Logic) Rating: 4.18
Posted on 2003-03-18 by Ravi Raja (Solution Posted, 47 Comments)
Difficulty: 4 of 5Calendar Cubes pt 3 (in Logic) Rating: 2.30
Posted on 2003-04-06 by Alan (Solution Posted, 14 Comments)
Difficulty: 2 of 5Hats off (in Logic) Rating: 2.79
Posted on 2003-03-11 by Anoop (Solution Posted, 16 Comments)
Difficulty: 3 of 5Monkeys and Coconuts (in Logic) Rating: 3.86
Posted on 2003-03-26 by Ravi Raja (Solution Posted, 41 Comments)
Difficulty: 3 of 5The Party Shakers (in Logic) Rating: 2.83
Posted on 2003-05-22 by Fernando (Solution Posted, 2 Comments)
Difficulty: 2 of 5Envelopes (in Logic) Rating: 2.91
Posted on 2003-04-10 by Ravi Raja (Solution Posted, 39 Comments)
Difficulty: 3 of 5The Two Logicians (in Logic) Rating: 2.56
Posted on 2003-04-11 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5The Four Mathematicians (in Logic) Rating: 3.00
Posted on 2003-04-12 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 4 of 5Professor and Students (in Logic) Rating: 3.40
Posted on 2003-04-28 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 4 of 5Least But Not The Last (in Logic) Rating: 2.75
Posted on 2003-05-08 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5Love Me For A Reason (in Logic) Rating: 3.40
Posted on 2003-05-03 by Ravi Raja (Solution Posted, 11 Comments)
Difficulty: 2 of 5Archaeological Problem (in Logic) Rating: 2.43
Posted on 2003-05-22 by Ravi Raja (Solution Posted, 29 Comments)
Difficulty: 2 of 5Contest (in Logic) Rating: 2.46
Posted on 2003-07-15 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 4 of 5Box, Locks and Keys (in Logic) Rating: 3.42
Posted on 2003-07-18 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 4 of 5Refrigerator and Ice-Cubes (in Logic) Rating: 3.67
Posted on 2003-07-19 by Ravi Raja (Solution Posted, 17 Comments)
Difficulty: 3 of 5Three Surgeons and A Cook (in Logic) Rating: 3.10
Posted on 2003-07-21 by Ravi Raja (Solution Posted, 24 Comments)
Difficulty: 2 of 5Jury selection (in Logic) Rating: 2.50
Posted on 2003-03-13 by levik (Solution Posted, 19 Comments)
Difficulty: 3 of 5Doctor and Engineer (in Logic) Rating: 3.00
Posted on 2003-08-25 by Ravi Raja (Solution Posted, 26 Comments)
Difficulty: 3 of 5The Confusion (in Logic) Rating: 2.73
Posted on 2003-09-02 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 3 of 5True Day (in Logic) Rating: 4.17
Posted on 2003-03-17 by ET (Solution Posted, 10 Comments)
Difficulty: 3 of 5Set problems (in Logic) Rating: 4.50
Posted on 2004-05-12 by Gamer (No Solution Yet, 13 Comments)
Difficulty: 2 of 5Eight cards (in Logic) Rating: 3.89
Posted on 2005-06-14 by pcbouhid (Solution Posted, 36 Comments)
Difficulty: 3 of 5Family Values (in Logic) Rating: 3.25
Posted on 2005-03-31 by Juggler (No Solution Yet, 53 Comments)
Difficulty: 4 of 5Game Show (in Logic) Rating: 2.46
Posted on 2005-05-01 by Sandeep (Solution Posted, 33 Comments)
Difficulty: 3 of 5Penny Problem (in Logic) Rating: 3.75
Posted on 2003-10-14 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 4 of 5Whodunit Part 2: Places, Places (in Logic) Rating: 3.55
Posted on 2004-08-16 by matt runchey (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Murder by Logic (in Logic) Rating: 3.77
Posted on 2004-03-05 by Federico Kereki (Solution Posted, 23 Comments)
Difficulty: 3 of 5Mathematician Versus Detective (in Logic) Rating: 3.44
Posted on 2003-11-05 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 3 of 5The Plan (in Logic) Rating: 4.30
Posted on 2003-03-21 by Gautam (Solution Posted, 17 Comments)
Difficulty: 5 of 5Five Tenants (in Logic) Rating: 4.33
Posted on 2003-04-03 by Bryan (Solution Posted, 25 Comments)
Difficulty: 2 of 5Strawberries! (in Logic) Rating: 2.62
Posted on 2003-04-10 by Gamer (Solution Posted, 18 Comments)
Difficulty: 3 of 5The Termite (in Logic) Rating: 3.67
Posted on 2003-05-09 by Fernando (Solution Posted, 11 Comments)
Difficulty: 2 of 5Daughters and Sons (in Logic) Rating: 3.07
Posted on 2003-10-25 by Lewis (Solution Posted, 22 Comments)
Difficulty: 3 of 5Who Stole the Tarts? (in Logic) Rating: 3.71
Posted on 2004-04-02 by Sam (Solution Posted, 17 Comments)
Difficulty: 1 of 5What's for sale? (in Logic) Rating: 3.05
Posted on 2003-11-30 by Jill (Solution Posted, 44 Comments)
Difficulty: 3 of 5At the Olympic Games (4) (in Logic) Rating: 3.14
Posted on 2004-07-21 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 3 of 5Fifty Bucks for a Dollar bill? (in Logic) Rating: 3.95
Posted on 2003-06-03 by Jonathan Waltz (Solution Posted, 66 Comments)
Difficulty: 3 of 5Mind Boggling (in Logic) Rating: 4.14
Posted on 2003-06-11 by DJ (Solution Posted, 8 Comments)
Difficulty: 4 of 5Jeopardy (in Logic) Rating: 3.83
Posted on 2003-06-14 by DJ (Solution Posted, 13 Comments)
Difficulty: 4 of 5Letter Cubes (in Logic) Rating: 4.45
Posted on 2003-06-17 by DJ (Solution Posted, 21 Comments)
Difficulty: 4 of 5Multiple Choice Test (in Logic) Rating: 4.41
Posted on 2003-06-07 by Bryan (Solution Posted, 19 Comments)
Difficulty: 2 of 5The last place (in Logic) Rating: 2.38
Posted on 2003-06-13 by Gamer (Solution Posted, 22 Comments)
Difficulty: 3 of 5Letter Cubes 2 (in Logic) Rating: 4.40
Posted on 2003-06-28 by DJ (Solution Posted, 8 Comments)
Difficulty: 3 of 5Tug-o-war (in Logic) Rating: 3.45
Posted on 2003-06-21 by Jon (Solution Posted, 19 Comments)
Difficulty: 2 of 5Three More Logicians (in Logic) Rating: 4.40
Posted on 2003-06-12 by Gamer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Girls Just Wanna Have Fun (in Logic) Rating: 3.57
Posted on 2003-11-06 by Gamer (Solution Posted, 37 Comments)
Difficulty: 3 of 5Life or Death (in Logic) Rating: 3.11
Posted on 2003-06-29 by luvya (Solution Posted, 33 Comments)
Difficulty: 3 of 5Mike and the Bike (in Logic) Rating: 2.29
Posted on 2003-07-26 by Jon (Solution Posted, 42 Comments)
Difficulty: 4 of 5Triple Negative (in Logic) Rating: 4.13
Posted on 2004-02-12 by DJ (No Solution Yet, 19 Comments)
Difficulty: 4 of 5The White Knight who couldn't quite remember II (in Logic) Rating: 4.14
Posted on 2004-05-12 by Sam (No Solution Yet, 13 Comments)
Difficulty: 2 of 5Identical Triplets (in Logic) Rating: 2.57
Posted on 2003-07-08 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 5Name Game (in Logic) Rating: 2.59
Posted on 2003-07-12 by Chaz (Solution Posted, 28 Comments)
Difficulty: 3 of 5Cake-Bake Contest (in Logic) Rating: 2.79
Posted on 2003-11-26 by Lewis (Solution Posted, 19 Comments)
Difficulty: 4 of 5Magic Rods (in Logic) Rating: 4.00
Posted on 2003-11-11 by Lewis (Solution Posted, 14 Comments)
Difficulty: 4 of 5Breakfast (in Logic) Rating: 3.86
Posted on 2003-08-23 by BrainFart (Solution Posted, 12 Comments)
Difficulty: 3 of 5At the Olympic Games (3) (in Logic) Rating: 3.21
Posted on 2003-10-13 by Federico Kereki (Solution Posted, 15 Comments)
Difficulty: 3 of 5At the Olympic Games (1) (in Logic) Rating: 3.20
Posted on 2003-10-07 by Federico Kereki (Solution Posted, 21 Comments)
Difficulty: 3 of 5At the Olympic Games (2) (in Logic) Rating: 3.00
Posted on 2003-10-09 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 3 of 5Letter Cubes 3 (in Logic) Rating: 4.20
Posted on 2003-08-17 by DJ (Solution Posted, 14 Comments)
Difficulty: 4 of 5Logical Nonsense (in Logic) Rating: 4.21
Posted on 2003-08-26 by DJ (Solution Posted, 14 Comments)
Difficulty: 3 of 5School Shelves (in Logic) Rating: 4.35
Posted on 2003-09-06 by DJ (Solution Posted, 27 Comments)
Difficulty: 3 of 5Breaking the Bank (in Logic) Rating: 4.00
Posted on 2004-04-07 by Sam (Solution Posted, 13 Comments)
Difficulty: 3 of 5Got a Minute? (in Logic) Rating: 3.60
Posted on 2003-09-10 by Lewis (No Solution Yet, 37 Comments)
Difficulty: 3 of 5Summer Employment (in Logic) Rating: 3.44
Posted on 2003-11-21 by DJ (Solution Posted, 13 Comments)
Difficulty: 3 of 5Gotta Have Art (in Logic) Rating: 3.73
Posted on 2003-11-24 by DJ (Solution Posted, 18 Comments)
Difficulty: 3 of 5Feed the Birds (in Logic) Rating: 4.05
Posted on 2003-11-28 by DJ (Solution Posted, 31 Comments)
Difficulty: 4 of 5The White Suspenders (in Logic) Rating: 3.56
Posted on 2003-10-01 by Gamer (Solution Posted, 11 Comments)
Difficulty: 3 of 5Lost the Key (in Logic) Rating: 3.14
Posted on 2003-12-11 by DJ (Solution Posted, 19 Comments)
Difficulty: 3 of 5The Tunnel (in Logic) Rating: 3.64
Posted on 2003-12-16 by Gamer (Solution Posted, 17 Comments)
Difficulty: 3 of 5The Fair (in Logic) Rating: 3.67
Posted on 2004-11-08 by Jeremy Trenary (Solution Posted, 19 Comments)
Difficulty: 1 of 5Icin' the Tea (in Logic) Rating: 3.33
Posted on 2004-03-09 by FatBoy (Solution Posted, 38 Comments)
Difficulty: 3 of 5The many sages (in Logic) Rating: 2.36
Posted on 2004-04-13 by e.g. (Solution Posted, 25 Comments)
Difficulty: 3 of 5Wrong Place, Right Place (in Logic) Rating: 3.33
Posted on 2003-11-17 by Gamer (Solution Posted, 35 Comments)
Difficulty: 2 of 5Lords and Ladies (in Logic) Rating: 2.69
Posted on 2004-04-25 by Captain Paradox (Solution Posted, 37 Comments)
Difficulty: 2 of 5A Logic Accusation (in Logic) Rating: 2.87
Posted on 2003-10-01 by Federico Kereki (Solution Posted, 17 Comments)
Difficulty: 3 of 5Walking the Roads (in Logic) Rating: 4.29
Posted on 2004-05-01 by Sam (Solution Posted, 6 Comments)
Difficulty: 2 of 5Missing Clue (in Logic) Rating: 3.29
Posted on 2004-04-27 by Jeff (Solution Posted, 18 Comments)
Difficulty: 3 of 5The Rebel (in Logic) Rating: 4.00
Posted on 2004-01-01 by Gamer (Solution Posted, 18 Comments)
Difficulty: 3 of 5Monkey Dance 1 (in Logic) Rating: 4.29
Posted on 2004-03-19 by Sandeep (Solution Posted, 34 Comments)
Difficulty: 4 of 5A Timely Manner (in Logic) Rating: 3.80
Posted on 2004-01-11 by Gamer (Solution Posted, 44 Comments)
Difficulty: 4 of 5The Last Dance (in Logic) Rating: 1.80
Posted on 2004-02-04 by Gamer (Solution Posted, 12 Comments)
Difficulty: 4 of 5Proof of Anything (in Logic) Rating: 3.63
Posted on 2003-12-13 by Sam (Solution Posted, 44 Comments)
Difficulty: 3 of 5XX (in Logic) Rating: 3.86
Posted on 2004-03-07 by DJ (Solution Posted, 72 Comments)
Difficulty: 2 of 5The soccer results (in Logic) Rating: 3.00
Posted on 2005-06-10 by pcbouhid (Solution Posted, 20 Comments)
Difficulty: 3 of 5The strange clock (in Logic) Rating: 2.67
Posted on 2004-02-17 by Tristan (Solution Posted, 13 Comments)
Difficulty: 2 of 5Quotational Quandary (in Logic) Rating: 2.50
Posted on 2004-02-16 by RoyCook (Solution Posted, 21 Comments)
Difficulty: 3 of 5At the "Oilympic" Games (in Logic) Rating: 3.75
Posted on 2004-03-01 by Federico Kereki (Solution Posted, 17 Comments)
Difficulty: 4 of 5Whodunit Part 1: The Robbery (in Logic) Rating: 3.61
Posted on 2004-07-27 by matt runchey (Solution Posted, 25 Comments)
Difficulty: 2 of 5Pill Puzzler (in Logic) Rating: 2.67
Posted on 2004-04-20 by Popstar Dave (Solution Posted, 28 Comments)
Difficulty: 2 of 5Will the real engineer please stand up? (in Logic) Rating: 3.22
Posted on 2004-05-18 by Victor Zapana (No Solution Yet, 47 Comments)
Difficulty: 3 of 5Quiz Results (in Logic) Rating: 3.22
Posted on 2004-09-02 by Brian Smith (Solution Posted, 30 Comments)
Difficulty: 4 of 5The White Knight who couldn't quite remember (in Logic) Rating: 4.38
Posted on 2004-04-06 by Sam (Solution Posted, 14 Comments)
Difficulty: 3 of 5At the Olympic Games (5) (in Logic) Rating: 2.60
Posted on 2004-08-30 by Federico Kereki (Solution Posted, 21 Comments)
Difficulty: 4 of 5Indexed Puzzle (in Logic) Rating: 4.38
Posted on 2004-07-19 by SilverKnight (Solution Posted, 22 Comments)
Difficulty: 3 of 5Going on vacation (in Logic) Rating: 3.25
Posted on 2005-02-18 by Dustin (Solution Posted, 45 Comments)
Difficulty: 3 of 5All Wired Up (in Logic) Rating: 2.75
Posted on 2004-06-30 by Sam (No Solution Yet, 34 Comments)
Difficulty: 4 of 5Logic and Stamps (in Logic) Rating: 2.50
Posted on 2004-07-31 by Brian Smith (Solution Posted, 18 Comments)
Difficulty: 3 of 5The logician's favorite game (in Logic) Rating: 3.25
Posted on 2005-03-18 by Tristan (Solution Posted, 29 Comments)
Difficulty: 2 of 5Guess my Number (in Logic) Rating: 3.76
Posted on 2004-12-20 by Sam (Solution Posted, 33 Comments)
Difficulty: 4 of 5Whodunit Part 3: Speeding Along (in Logic) Rating: 1.43
Posted on 2004-08-20 by matt runchey (No Solution Yet, 33 Comments)
Difficulty: 2 of 5Whodunit Part 4: Going Shopping (in Logic) Rating: 2.86
Posted on 2004-09-09 by matt runchey (No Solution Yet, 30 Comments)
Difficulty: 2 of 5Richard's Devilish Mini-Golf (in Logic) Rating: 2.94
Posted on 2005-01-06 by Captain Paradox (Solution Posted, 30 Comments)
Difficulty: 3 of 5Prime Perimeter (in Logic) Rating: 2.82
Posted on 2005-03-11 by Erik O. (Solution Posted, 90 Comments)
Difficulty: 2 of 5Number Pyramid (in Logic) Rating: 3.56
Posted on 2004-08-20 by Jane Doe (Solution Posted, 24 Comments)
Difficulty: 3 of 5Bumper Cars (in Logic) Rating: 2.50
Posted on 2004-12-30 by David Shin (Solution Posted, 15 Comments)
Difficulty: 3 of 5Complicated Cars Conundrum (in Logic) Rating: 1.67
Posted on 2005-07-03 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 2 of 5Five People on Two Bridges (in Logic) Rating: 3.80
Posted on 2005-06-25 by Erik O. (Solution Posted, 41 Comments)
Difficulty: 3 of 5Game Theory on dividing cakes (in Logic) Rating: 1.50
Posted on 2004-12-27 by Bon (Solution Posted, 8 Comments)
Difficulty: 4 of 5Pretty Picture (in Logic) Rating: 3.67
Posted on 2006-09-27 by Salil (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Fishing Vacation Plans (in Logic) Rating: 3.60
Posted on 2005-04-25 by ron (No Solution Yet, 24 Comments)
Difficulty: 2 of 5Flap, Flep, Flip and Flop (in Logic) Rating: 3.56
Posted on 2005-07-04 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5At the Olympic Games (6) (in Logic) Rating: 2.69
Posted on 2004-09-27 by Federico Kereki (Solution Posted, 48 Comments)
Difficulty: 2 of 5The Remaining Digits (in Logic) Rating: 4.33
Posted on 2005-08-04 by pcbouhid (Solution Posted, 21 Comments)
Difficulty: 3 of 5Five Sentences (in Logic) Rating: 3.23
Posted on 2004-10-12 by Brian Smith (Solution Posted, 34 Comments)
Difficulty: 4 of 5The Midville Muddlers (in Logic) Rating: 3.56
Posted on 2005-04-15 by ron (No Solution Yet, 23 Comments)
Difficulty: 2 of 5Formal Reasoning (in Logic) Rating: 3.00
Posted on 2004-12-15 by SilverKnight (Solution Posted, 60 Comments)
Difficulty: 2 of 52n+1 Statements (in Logic) Rating: 4.00
Posted on 2005-06-13 by Dustin (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Dinner Party (in Logic) Rating: 4.23
Posted on 2004-10-27 by Erik O. (Solution Posted, 53 Comments)
Difficulty: 2 of 5The Logician's Birthday (in Logic) Rating: 3.54
Posted on 2004-11-17 by Erik O. (Solution Posted, 75 Comments)
Difficulty: 2 of 5Logic Test (in Logic) Rating: 3.63
Posted on 2004-12-19 by Jim (Solution Posted, 13 Comments)
Difficulty: 3 of 5Fill In The Squares (in Logic) Rating: 4.33
Posted on 2004-12-28 by Nosher (Solution Posted, 23 Comments)
Difficulty: 2 of 5Halloween Costumes (in Logic) Rating: 2.22
Posted on 2005-04-20 by ron (No Solution Yet, 49 Comments)
Difficulty: 4 of 5Rectangular Logic (in Logic) Rating: 3.75
Posted on 2005-01-28 by Sam (No Solution Yet, 53 Comments)
Difficulty: 3 of 5Lottery (in Logic) Rating: 3.35
Posted on 2005-01-27 by ayala (Solution Posted, 39 Comments)
Difficulty: 4 of 5The Mad Tea Party (in Logic) Rating: 4.07
Posted on 2005-05-18 by Zipp Dementia (Solution Posted, 33 Comments)
Difficulty: 3 of 5Fill in the Squares II (in Logic) Rating: 2.63
Posted on 2005-05-17 by Dustin (Solution Posted, 22 Comments)
Difficulty: 3 of 5Traffic Calming (in Logic) Rating: 4.25
Posted on 2005-02-17 by Juggler (Solution Posted, 13 Comments)
Difficulty: 2 of 5Secret Code (in Logic) Rating: 2.33
Posted on 2005-03-10 by Sandeep (Solution Posted, 33 Comments)
Difficulty: 3 of 5How old did you say they were? (in Logic) Rating: 3.20
Posted on 2005-03-03 by Erik O. (Solution Posted, 31 Comments)
Difficulty: 3 of 5Mine sweeping (in Logic) Rating: 4.00
Posted on 2006-04-11 by Tristan (Solution Posted, 6 Comments)
Difficulty: 2 of 5Who is not rich? (in Logic) Rating: 4.17
Posted on 2005-06-22 by pcbouhid (Solution Posted, 24 Comments)
Difficulty: 2 of 5The death of Sir Levikus (in Logic) Rating: 3.81
Posted on 2005-07-12 by pcbouhid (Solution Posted, 103 Comments)
Difficulty: 3 of 5Criminals Around Table (in Logic) Rating: 3.00
Posted on 2006-07-27 by Yosippavar (No Solution Yet, 9 Comments)
Difficulty: 3 of 5All the Marbles (in Logic) Rating: 4.31
Posted on 2005-04-22 by Catherine (Solution Posted, 18 Comments)
Difficulty: 2 of 5What is the logical criterion ? (in Logic) Rating: 3.83
Posted on 2005-06-03 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 2 of 5Covering a chessboard (in Logic) Rating: 3.67
Posted on 2005-11-12 by pcbouhid (Solution Posted, 15 Comments)
Difficulty: 2 of 5Help ! (in Logic) Rating: 3.33
Posted on 2005-07-07 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 3 of 5String of letters (in Logic) Rating: 4.00
Posted on 2005-10-06 by pcbouhid (Solution Posted, 15 Comments)
Difficulty: 3 of 5Brand New Flavors (in Logic) Rating: 3.82
Posted on 2005-07-08 by Captain Paradox (Solution Posted, 24 Comments)
Difficulty: 2 of 5The murderer in the Hotel (in Logic) Rating: 3.44
Posted on 2005-08-11 by pcbouhid (Solution Posted, 59 Comments)
Difficulty: 3 of 5The undiscovered numbers (in Logic) Rating: 3.67
Posted on 2005-10-29 by Hugo (Solution Posted, 33 Comments)
Difficulty: 3 of 5Three couples, one problem (in Logic) Rating: 3.85
Posted on 2005-07-25 by Federico Kereki (Solution Posted, 23 Comments)
Difficulty: 3 of 5Black & White Hats 2 (in Logic) Rating: 2.80
Posted on 2006-07-02 by Salil (Solution Posted, 8 Comments)
Difficulty: 2 of 5Six ships (in Logic) Rating: 4.00
Posted on 2005-09-13 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 3 of 5Two Logicians, Four Numbers (in Logic) Rating: 4.00
Posted on 2006-01-03 by Brian Smith (Solution Posted, 14 Comments)
Difficulty: 2 of 5Hitori (in Logic) Rating: 3.33
Posted on 2006-02-13 by Sir Percivale (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Tricky sudoku (in Logic) Rating: 4.17
Posted on 2006-06-05 by Salil (Solution Posted, 7 Comments)
Difficulty: 4 of 5Pills they had (in Logic) Rating: 3.00
Posted on 2006-05-23 by Salil (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Five red discs (in Logic) Rating: 4.08
Posted on 2005-09-07 by pcbouhid (Solution Posted, 26 Comments)
Difficulty: 3 of 5The Island of Masyu (in Logic) Rating: 3.00
Posted on 2006-06-06 by Dej Mar (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Operator's manual (in Logic) Rating: 4.50
Posted on 2005-11-06 by Hugo (Solution Posted, 2 Comments)
Difficulty: 3 of 5Bright Houses (in Logic) Rating: 3.00
Posted on 2005-10-08 by scott (Solution Posted, 13 Comments)
Difficulty: 4 of 5Omniprod Employees (in Logic) Rating: 4.40
Posted on 2005-10-15 by scott (Solution Posted, 12 Comments)
Difficulty: 2 of 5The omitted age (in Logic) Rating: 3.00
Posted on 2005-10-20 by pcbouhid (Solution Posted, 21 Comments)
Difficulty: 2 of 5Nine cards (in Logic) Rating: 2.75
Posted on 2005-10-14 by pcbouhid (Solution Posted, 31 Comments)
Difficulty: 3 of 5Brothers Karsakov (in Logic) Rating: 3.71
Posted on 2006-02-14 by Vernon Lewis (No Solution Yet, 28 Comments)
Difficulty: 3 of 5Dividing the 'erb. (in Logic) Rating: 4.10
Posted on 2006-01-27 by Sir Percivale (No Solution Yet, 61 Comments)
Difficulty: 4 of 5Semi-Minimalist Painting (in Logic) Rating: 3.20
Posted on 2006-03-13 by Charlie (Solution Posted, 10 Comments)
Difficulty: 2 of 5Calm down, people! (in Logic) Rating: 3.33
Posted on 2005-10-25 by pcbouhid (Solution Posted, 45 Comments)
Difficulty: 2 of 5Once a liar, always a liar (in Logic) Rating: 2.93
Posted on 2005-11-02 by pcbouhid (Solution Posted, 27 Comments)
Difficulty: 4 of 5Twins and their mistakes (in Logic) Rating: 4.00
Posted on 2006-04-17 by Salil (Solution Posted, 8 Comments)
Difficulty: 2 of 5Latin Square (in Logic) Rating: 3.50
Posted on 2006-04-04 by Sir Percivale (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Divide into Primes (in Logic) Rating: 3.29
Posted on 2005-09-17 by Charlie (Solution Posted, 13 Comments)
Difficulty: 3 of 5The prisoners and the beans (in Logic) Rating: 3.88
Posted on 2005-11-27 by pcbouhid (Solution Posted, 45 Comments)
Difficulty: 3 of 5Dominoes (in Logic) Rating: 3.33
Posted on 2006-03-24 by Sir Percivale (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Forty-two pieces (in Logic) Rating: 3.14
Posted on 2005-11-30 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5The judge´s wife (in Logic) Rating: 4.17
Posted on 2005-12-08 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 4 of 5Self-Referential Aptitude Test (in Logic) Rating: 4.36
Posted on 2006-01-17 by Bob Smith (Solution Posted, 28 Comments)
Difficulty: 3 of 5Three women, three numbers (in Logic) Rating: 3.38
Posted on 2005-12-15 by pcbouhid (Solution Posted, 28 Comments)
Difficulty: 3 of 5Alphabetical logic (in Logic) Rating: 4.13
Posted on 2006-07-28 by Tristan (Solution Posted, 9 Comments)
Difficulty: 2 of 5The Family Recipes (in Logic) Rating: 4.50
Posted on 2006-08-11 by trey (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Kakuro, Sudoku AND Hanji combined (in Logic) Rating: 4.25
Posted on 2006-05-16 by Sir Percivale (No Solution Yet, 4 Comments)
Difficulty: 2 of 5The hired man (in Logic) Rating: 3.50
Posted on 2005-12-19 by pcbouhid (Solution Posted, 20 Comments)
Difficulty: 3 of 5Black and white hats (in Logic) Rating: 3.89
Posted on 2006-06-15 by Sir Percivale (No Solution Yet, 21 Comments)
Difficulty: 2 of 5A Profit And Loss Problem (in Logic) Rating: 3.50
Posted on 2006-11-15 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Nicknames (in Logic) Rating: 2.60
Posted on 2005-12-21 by monica (Solution Posted, 40 Comments)
Difficulty: 1 of 5Fine Feathers (in Logic) Rating: 3.00
Posted on 2005-12-06 by Goldwing (Solution Posted, 18 Comments)
Difficulty: 3 of 5Dysfunctional Crossing (in Logic) Rating: 4.15
Posted on 2005-09-26 by nikki (Solution Posted, 32 Comments)
Difficulty: 4 of 5Who is Elizabeth's Partner (in Logic) Rating: 3.20
Posted on 2006-04-04 by Salil (Solution Posted, 18 Comments)
Difficulty: 5 of 5Pills they had 2 (in Logic)
Posted on 2006-06-13 by Salil (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Christmas Gifts (in Logic) Rating: 4.50
Posted on 2006-09-04 by Salil (Solution Posted, 5 Comments)
Difficulty: 3 of 5Six Tenants Problem (in Logic) Rating: 4.25
Posted on 2006-08-25 by K Sengupta (Solution Posted, 21 Comments)
Difficulty: 3 of 5An Accommodation Problem (in Logic) Rating: 2.14
Posted on 2006-12-15 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 2 of 5Chess Strategy (in Logic) Rating: 3.29
Posted on 2006-08-01 by Salil (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Hats and alligators (in Logic) Rating: 4.40
Posted on 2006-07-15 by JayDeeKay (No Solution Yet, 19 Comments)
Difficulty: 4 of 5Square division (in Logic) Rating: 4.00
Posted on 2006-08-24 by Salil (No Solution Yet, 13 Comments)
Difficulty: 2 of 5How to save yourself (in Logic) Rating: 2.50
Posted on 2006-08-20 by Salil (Solution Posted, 19 Comments)
Difficulty: 3 of 5Pandigital Squares (in Logic) Rating: 3.00
Posted on 2006-09-01 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5ABCD (in Logic) Rating: 4.41
Posted on 2006-11-26 by Josie Faulkner (Solution Posted, 33 Comments)
Difficulty: 5 of 5Logicians, hats, and numbers (in Logic) Rating: 3.90
Posted on 2006-08-14 by Avin (No Solution Yet, 21 Comments)
Difficulty: 4 of 5Recursive Puzzle (in Logic) Rating: 4.40
Posted on 2006-08-23 by Tristan (Solution Posted, 5 Comments)
Difficulty: 3 of 5Six Items Problem (in Logic) Rating: 4.00
Posted on 2006-11-14 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Another Item Puzzle (in Logic) Rating: 3.00
Posted on 2007-01-21 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Clean Tops (in Logic)
Posted on 2006-09-11 by Gamer (Solution Posted, 10 Comments)
Difficulty: 4 of 5Spoons (in Logic) Rating: 4.33
Posted on 2006-10-10 by joshua (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Red, White and Blue (in Logic) Rating: 4.47
Posted on 2006-10-29 by Josie Faulkner (Solution Posted, 20 Comments)
Difficulty: 3 of 5Top Spin (in Logic) Rating: 4.40
Posted on 2006-10-11 by Josie Faulkner (Solution Posted, 15 Comments)
Difficulty: 2 of 5Four Squared (in Logic) Rating: 4.42
Posted on 2006-10-26 by Josie Faulkner (Solution Posted, 18 Comments)
Difficulty: 3 of 5Four Times Nine Equals Six Squared (in Logic) Rating: 4.38
Posted on 2006-10-16 by Josie Faulkner (Solution Posted, 23 Comments)
Difficulty: 4 of 5Going Downtown (in Logic) Rating: 4.25
Posted on 2006-11-08 by Gamer (Solution Posted, 8 Comments)
Difficulty: 4 of 5More logicians, hats and numbers (in Logic) Rating: 4.13
Posted on 2006-11-05 by JLo (Solution Posted, 5 Comments)
Difficulty: 4 of 5Logidoku (in Logic) Rating: 4.21
Posted on 2006-11-06 by Josie Faulkner (Solution Posted, 15 Comments)
Difficulty: 3 of 5Easy as ABC (in Logic) Rating: 4.29
Posted on 2006-11-22 by Josie Faulkner (Solution Posted, 11 Comments)
Difficulty: 3 of 5Eight Each Way (in Logic) Rating: 4.00
Posted on 2006-12-21 by Josie Faulkner (Solution Posted, 12 Comments)
Difficulty: 3 of 5All the Nines (in Logic) Rating: 4.00
Posted on 2006-12-25 by Josie Faulkner (Solution Posted, 9 Comments)
Difficulty: 3 of 5Odd-Even Logidoku (in Logic) Rating: 4.31
Posted on 2007-01-05 by Josie Faulkner (Solution Posted, 26 Comments)
Difficulty: 3 of 5Namedoku (in Logic) Rating: 4.13
Posted on 2007-01-20 by Josie Faulkner (Solution Posted, 16 Comments)
Difficulty: 2 of 5Tile Challenge (in Logic) Rating: 2.83
Posted on 2007-02-24 by Vernon Lewis (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Logidoku-8 (in Logic) Rating: 4.46
Posted on 2007-01-24 by Josie Faulkner (Solution Posted, 10 Comments)
Difficulty: 3 of 5Pushing numbers (in Logic) Rating: 4.29
Posted on 2007-02-12 by Assaf (Solution Posted, 4 Comments)
Difficulty: 3 of 5Aussie Rules (in Logic)
Posted on 2007-02-16 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5What is RIGHT? (in Logic) Rating: 4.00
Posted on 2007-02-17 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5logic and cones (in Logic) Rating: 3.33
Posted on 2007-03-09 by Assaf (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Logicians Lockout (in Logic) Rating: 4.00
Posted on 2007-03-13 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5What Is The Number? (in Logic) Rating: 3.00
Posted on 2007-03-16 by Brian Smith (Solution Posted, 13 Comments)
Difficulty: 4 of 5placing numbers (in Logic) Rating: 3.60
Posted on 2007-03-12 by Assaf (Solution Posted, 13 Comments)
Difficulty: 4 of 5Chain Reaction (in Logic) Rating: 4.50
Posted on 2007-04-01 by brianjn (Solution Posted, 7 Comments)
Difficulty: 2 of 54x4 Sudoku (in Logic) Rating: 3.50
Posted on 2007-03-19 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Four statements (in Logic) Rating: 4.25
Posted on 2007-05-16 by Assaf (Solution Posted, 8 Comments)
Difficulty: 4 of 5Smart prisoners always get a break #2 (in Logic) Rating: 4.25
Posted on 2007-03-07 by Assaf (Solution Posted, 12 Comments)
Difficulty: 3 of 5Rank The Magicians (in Logic) Rating: 3.00
Posted on 2007-05-08 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 4 of 5Missing Digit (in Logic) Rating: 3.67
Posted on 2007-06-04 by Charlie (Solution Posted, 5 Comments)
Difficulty: 4 of 5X Marks the Spot (in Logic) Rating: 4.46
Posted on 2007-05-02 by Josie Faulkner (Solution Posted, 14 Comments)
Difficulty: 4 of 5Three different trails (in Logic) Rating: 3.00
Posted on 2007-05-31 by Assaf (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Pushing Numbers 2 (in Logic) Rating: 3.50
Posted on 2007-05-22 by Assaf (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Soccer Stats (in Logic) Rating: 3.00
Posted on 2007-05-22 by Charlie (Solution Posted, 9 Comments)
Difficulty: 2 of 5How to pick 'em (in Logic) Rating: 4.50
Posted on 2007-05-25 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 3 of 5All Wrong at the Olympic Games (in Logic) Rating: 4.25
Posted on 2007-06-15 by Federico Kereki (Solution Posted, 14 Comments)
Difficulty: 3 of 5Odd-Even Jigsaw Sudoku (in Logic) Rating: 4.00
Posted on 2007-06-24 by Josie Faulkner (Solution Posted, 8 Comments)
Difficulty: 3 of 5Diamond Mine (in Logic) Rating: 4.43
Posted on 2007-06-28 by Josie Faulkner (Solution Posted, 15 Comments)
Difficulty: 2 of 5Who Stole Dr. Jones' Clock? (in Logic) Rating: 3.50
Posted on 2007-07-09 by Charlie (Solution Posted, 13 Comments)
Difficulty: 3 of 5Boxed Eights (in Logic) Rating: 4.50
Posted on 2007-07-24 by Josie Faulkner (Solution Posted, 17 Comments)
Difficulty: 3 of 5Shade-doku (in Logic) Rating: 4.60
Posted on 2007-08-02 by Josie Faulkner (Solution Posted, 13 Comments)
Difficulty: 3 of 5WXYZ (in Logic) Rating: 4.22
Posted on 2007-08-27 by Josie Faulkner (Solution Posted, 5 Comments)
Difficulty: 4 of 5Tough Puzzle (part 2) (in Logic) Rating: 4.57
Posted on 2007-08-16 by Josie Faulkner (Solution Posted, 17 Comments)
Difficulty: 3 of 5On a Grid (in Logic) Rating: 4.25
Posted on 2007-08-08 by Brian Smith (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Travelling Knight (in Logic) Rating: 4.40
Posted on 2007-09-02 by Josie Faulkner (Solution Posted, 12 Comments)
Difficulty: 3 of 5On a Grid 2 (in Logic) Rating: 4.40
Posted on 2007-08-29 by Brian Smith (No Solution Yet, 11 Comments)
Difficulty: 4 of 5TGIF (in Logic) Rating: 4.00
Posted on 2007-08-31 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Color Coded Cards (in Logic) Rating: 3.50
Posted on 2007-10-17 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Keycode (in Logic) Rating: 3.63
Posted on 2007-09-06 by Brian Smith (Solution Posted, 14 Comments)
Difficulty: 3 of 5Red, White, Blue and Green (in Logic) Rating: 4.00
Posted on 2008-01-14 by Josie Faulkner (Solution Posted, 12 Comments)
Difficulty: 4 of 5Six Squared (in Logic) Rating: 4.33
Posted on 2008-01-03 by Josie Faulkner (Solution Posted, 8 Comments)
Difficulty: 3 of 5ABCD (2) (in Logic) Rating: 4.17
Posted on 2008-03-07 by Josie Faulkner (No Solution Yet, 20 Comments)
Difficulty: 3 of 5Colourful Knight's Tour (in Logic) Rating: 4.91
Posted on 2008-01-24 by Josie Faulkner (No Solution Yet, 20 Comments)
Difficulty: 3 of 5Killer Skyscrapers (in Logic)
Posted on 2008-02-20 by Josie Faulkner (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Layover at LaGuardia (in Logic) Rating: 2.33
Posted on 2008-02-29 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Aus dem Haeuschen (in Logic) Rating: 3.33
Posted on 2008-03-05 by FrankM (Solution Posted, 8 Comments)
Difficulty: 3 of 5Broken Lights Out (in Logic) Rating: 3.00
Posted on 2008-04-07 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Killer-X-tra (in Logic) Rating: 3.50
Posted on 2008-05-27 by Josie Faulkner (No Solution Yet, 20 Comments)
Difficulty: 2 of 5No repeated numbers (in Logic) Rating: 4.00
Posted on 2008-08-20 by pcbouhid (Solution Posted, 20 Comments)
Difficulty: 2 of 5The smallest sum (in Logic) Rating: 3.00
Posted on 2008-08-08 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Gyro-Lattice 1 - Arrows (in Logic) Rating: 4.00
Posted on 2008-05-17 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5The girls, the boxes and the balls (in Logic) Rating: 4.60
Posted on 2008-06-19 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 4 of 5Killer-X-tra (2) (in Logic) Rating: 4.75
Posted on 2008-06-20 by Josie Faulkner (No Solution Yet, 17 Comments)
Difficulty: 2 of 5Numerical path (in Logic) Rating: 2.50
Posted on 2008-09-23 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5Catching your enemy (in Logic) Rating: 2.33
Posted on 2008-08-25 by pcbouhid (Solution Posted, 20 Comments)
Difficulty: 2 of 5A domino puzzle (in Logic) Rating: 3.00
Posted on 2008-08-15 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Where is the arsenic? (in Logic) Rating: 2.50
Posted on 2008-08-10 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 4 of 5Extended Knight's Tour (in Logic) Rating: 4.50
Posted on 2008-07-10 by Josie Faulkner (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Find the Strategy (in Logic)
Posted on 2008-07-02 by Praneeth (Solution Posted, 15 Comments)
Difficulty: 2 of 5Who committed the murder? (in Logic) Rating: 3.00
Posted on 2008-10-08 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 5Same Degree Vertices (in Logic) Rating: 4.00
Posted on 2008-08-21 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Top four people (in Logic) Rating: 3.33
Posted on 2008-10-18 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Bulbs and Switches (in Logic) Rating: 4.00
Posted on 2009-01-11 by Praneeth (Solution Posted, 8 Comments)
Difficulty: 2 of 5Flaps, Fleps, Flips, Flops, and Flups (in Logic) Rating: 3.50
Posted on 2008-11-16 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Archaeologist (in Logic)
Posted on 2008-12-05 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Courier (in Logic) Rating: 4.50
Posted on 2008-11-21 by brianjn (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Locksmith (in Logic)
Posted on 2008-12-19 by brianjn (Solution Posted, 10 Comments)
Difficulty: 3 of 5Space Junk (in Logic) Rating: 3.00
Posted on 2008-11-29 by rod hines (Solution Posted, 4 Comments)
Difficulty: 3 of 512 on foreheads (in Logic) Rating: 4.00
Posted on 2008-12-17 by pcbouhid (Solution Posted, 2 Comments)
Difficulty: 3 of 5Prisoner's Visitors Problem (in Logic) Rating: 4.00
Posted on 2009-01-21 by Praneeth (Solution Posted, 8 Comments)
Difficulty: 2 of 5The 8 cards (in Logic) Rating: 4.50
Posted on 2009-01-31 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 3 of 5Knave's Tour (in Logic)
Posted on 2009-01-23 by rod hines (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Hand of Cards (in Logic) Rating: 1.50
Posted on 2009-03-08 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Six Seat Schedule (in Logic) Rating: 2.00
Posted on 2009-05-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Almost Naked Sudoku (in Logic)
Posted on 2009-02-12 by rod hines (Solution Posted, 4 Comments)
Difficulty: 3 of 5My Wonky CalcuLESS (in Logic)
Posted on 2009-02-18 by rod hines (Solution Posted, 14 Comments)
Difficulty: 2 of 5Sixteen Cards (in Logic) Rating: 4.00
Posted on 2009-02-27 by Sing4TheDay (Solution Posted, 2 Comments)
Difficulty: 4 of 5King Kong Meets Godzilla (in Logic) Rating: 4.25
Posted on 2009-02-26 by rod hines (Solution Posted, 9 Comments)
Difficulty: 3 of 5Realmazure Rationale (in Logic) Rating: 3.00
Posted on 2009-08-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Five railway employees (in Logic) Rating: 3.00
Posted on 2009-04-02 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5Five women vacations (in Logic) Rating: 4.00
Posted on 2009-04-11 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sum more Skyscraper Sudoku (in Logic) Rating: 4.00
Posted on 2009-04-14 by rod hines (Solution Posted, 3 Comments)
Difficulty: 4 of 5Lights switched (in Logic)
Posted on 2009-06-03 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Switched On (in Logic)
Posted on 2009-04-21 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three guys, three numbers (in Logic) Rating: 4.00
Posted on 2009-05-01 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 3 of 5Pandigital Recycling Points (in Logic) Rating: 4.00
Posted on 2009-05-31 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 5The 5 cards Magic trick Rechallenges! (in Logic)
Posted on 2009-06-01 by Assaf (No Solution Yet, 4 Comments)
Difficulty: 4 of 55 Cards Magic Trick (in Logic) Rating: 4.67
Posted on 2009-05-29 by Assaf (No Solution Yet, 7 Comments)
Difficulty: 3 of 55 Cards Magic Trick Redux (in Logic)
Posted on 2009-06-05 by Assaf (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Lights On Diagonally (in Logic) Rating: 4.50
Posted on 2009-07-15 by brianjn (Solution Posted, 7 Comments)
Difficulty: 3 of 5Devilish Cubes (in Logic) Rating: 2.00
Posted on 2009-07-27 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5Layers (in Logic) Rating: 4.00
Posted on 2009-07-30 by brianjn (Solution Posted, 1 Comments)
Difficulty: 3 of 5Realmazure Rationale II (in Logic) Rating: 3.67
Posted on 2009-09-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Novel Discussion (in Logic) Rating: 4.00
Posted on 2009-10-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mystery Novel Exchange (in Logic) Rating: 5.00
Posted on 2009-12-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 53x3 Grid Logic (in Logic) Rating: 5.00
Posted on 2010-09-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Realmazure Rationale III (in Logic) Rating: 5.00
Posted on 2010-01-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Curious Candidate Concern (in Logic) Rating: 5.00
Posted on 2010-02-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 54x4 Grid Logic (in Logic) Rating: 3.50
Posted on 2010-02-25 by K Sengupta (Solution Posted, 30 Comments)
Difficulty: 2 of 5Eleven Contender Competition (in Logic) Rating: 5.00
Posted on 2010-10-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5The top nine at Solvemall Classic (in Logic) Rating: 4.00
Posted on 2010-06-01 by broll (Solution Posted, 11 Comments)
Difficulty: 1 of 5Trust me (in Logic) Rating: 5.00
Posted on 2010-08-10 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5bob and alan cross the desert (in Logic) Rating: 3.00
Posted on 2010-05-15 by broll (Solution Posted, 7 Comments)
Difficulty: 2 of 54x4 Grid Logic II (in Logic) Rating: 5.00
Posted on 2010-11-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5If....Then... (in Logic)
Posted on 2010-09-21 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Roman matches (in Logic)
Posted on 2010-09-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hi, Tori! (in Logic)
Posted on 2010-12-05 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Card Tableau in Black and White (in Logic)
Posted on 2010-11-30 by Charlie (Solution Posted, 3 Comments)
Difficulty: 4 of 5I WONDER (in Logic) Rating: 4.00
Posted on 2011-01-13 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 2 of 5Calendar Game (in Logic) Rating: 3.00
Posted on 2011-01-02 by Charlie (Solution Posted, 8 Comments)
Difficulty: 1 of 5Day-knights and night-knights (in Logic) Rating: 3.00
Posted on 2011-03-08 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5At the party (in Logic) Rating: 4.00
Posted on 2011-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All Wired Up Again (in Logic)
Posted on 2011-02-01 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Day-knights and night-knights 2 (in Logic) Rating: 5.00
Posted on 2011-03-15 by Math Man (Solution Posted, 8 Comments)
Difficulty: 3 of 5Day-knights and night-knights 3 (in Logic) Rating: 1.00
Posted on 2011-03-21 by Math Man (Solution Posted, 1 Comments)
Difficulty: 3 of 5Will I get a dog? (in Logic) Rating: 4.00
Posted on 2011-05-20 by Math Man (Solution Posted, 6 Comments)
Difficulty: 1 of 5Wherefrom thou comest, mylady? (in Logic) Rating: 4.67
Posted on 2011-08-11 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Mutually friendly 2 (in Logic) Rating: 5.00
Posted on 2011-07-01 by Math Man (Solution Posted, 4 Comments)
Difficulty: 2 of 5Sibling Birthday Baffle (in Logic) Rating: 5.00
Posted on 2014-12-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Fibo's quickie (in Logic) Rating: 4.00
Posted on 2014-09-03 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5Keys and boxes (in Logic) Rating: 2.50
Posted on 2014-07-31 by Math Man (Solution Posted, 4 Comments)
Difficulty: 2 of 5Switch Settlement (in Logic) Rating: 5.00
Posted on 2014-10-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Performance Probe (in Logic) Rating: 5.00
Posted on 2014-10-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Philately Ponder (in Logic) Rating: 2.50
Posted on 2014-11-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Survival Surmise (in Logic) Rating: 5.00
Posted on 2014-11-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Seven Age Settlement (in Logic) Rating: 5.00
Posted on 2014-11-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Some pedigree! (in Logic) Rating: 5.00
Posted on 2011-09-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Three customers (in Logic) Rating: 3.40
Posted on 2011-10-17 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5Chess Tournament (in Logic)
Posted on 2012-02-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Letter Logic (in Logic)
Posted on 2014-05-05 by tomarken (Solution Posted, 1 Comments)
Difficulty: 3 of 5Four people II (in Logic) Rating: 5.00
Posted on 2012-04-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Five Lumberjacks (in Logic)
Posted on 2012-07-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Colorful hats (in Logic) Rating: 2.50
Posted on 2014-04-16 by Math Man (Solution Posted, 6 Comments)
Difficulty: 3 of 5Love Me For A Reason II (in Logic) Rating: 3.33
Posted on 2012-08-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Once a Liar, Always a Liar 2 (in Logic) Rating: 4.67
Posted on 2012-01-29 by Dustin (Solution Posted, 2 Comments)
Difficulty: 1 of 5I / O resolved (in Logic) Rating: 5.00
Posted on 2014-04-28 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Pick a letter (in Logic)
Posted on 2014-09-18 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 53x3 Grid Logic II (in Logic) Rating: 5.00
Posted on 2014-09-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Beach Baffle (in Logic)
Posted on 2014-09-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Illation (in Logic) Rating: 5.00
Posted on 2014-06-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Temperature Travail (in Logic) Rating: 1.00
Posted on 2014-06-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Five Cards II (in Logic) Rating: 3.50
Posted on 2014-06-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Age Ascertainment V (in Logic) Rating: 2.67
Posted on 2014-06-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Loops in PI (in Logic) Rating: 4.50
Posted on 2012-04-15 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 1 of 5A red herring marble (in Logic)
Posted on 2012-05-01 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Killer and Victim (in Logic) Rating: 4.67
Posted on 2012-08-26 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Boxing Baffle (in Logic) Rating: 3.50
Posted on 2012-09-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Gender and Occupation (in Logic) Rating: 5.00
Posted on 2012-10-22 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Nine Androids Crossing a Bridge (in Logic)
Posted on 2012-05-14 by Dej Mar (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Day-knights and night-knights 4 (in Logic) Rating: 3.00
Posted on 2012-07-02 by Math Man (Solution Posted, 2 Comments)
Difficulty: 2 of 5Day-knights and night-knights 5 (in Logic) Rating: 4.50
Posted on 2012-07-24 by Dustin (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Wedding Wangle (in Logic) Rating: 3.00
Posted on 2014-07-09 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Quiz Quandary III (in Logic) Rating: 4.00
Posted on 2014-07-15 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Date Deduction (in Logic) Rating: 5.00
Posted on 2014-07-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Extraordinary Characteristics (in Logic) Rating: 5.00
Posted on 2012-11-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Lawless Lawyer (in Logic) Rating: 3.00
Posted on 2012-11-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Round Trip (in Logic)
Posted on 2012-11-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Drummer Deduction (in Logic) Rating: 5.00
Posted on 2012-11-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5In-Laws Inquiry (in Logic) Rating: 5.00
Posted on 2012-12-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Mind-Swapping Machine (in Logic) Rating: 5.00
Posted on 2012-08-02 by Dustin (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Name it correctly (in Logic) Rating: 5.00
Posted on 2012-08-16 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Mutually friendly 3 (in Logic) Rating: 5.00
Posted on 2012-08-05 by Math Man (Solution Posted, 11 Comments)
Difficulty: 3 of 5Not a clear cut (in Logic)
Posted on 2012-11-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Party People (in Logic) Rating: 5.00
Posted on 2012-12-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Accurate Association (in Logic) Rating: 1.50
Posted on 2013-01-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Party People II (in Logic) Rating: 3.00
Posted on 2013-01-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lake Trips (in Logic) Rating: 2.50
Posted on 2013-01-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Murder Mix Up (in Logic) Rating: 4.00
Posted on 2013-01-24 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5A List of Statements (in Logic)
Posted on 2012-12-07 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Age Ascertainment II (in Logic) Rating: 1.33
Posted on 2013-02-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Apartment Allotment (in Logic) Rating: 4.00
Posted on 2013-02-06 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Musket Mettle (in Logic) Rating: 3.00
Posted on 2013-02-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quiz Results II (in Logic)
Posted on 2013-02-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seating Singularity (in Logic)
Posted on 2013-02-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Recondite Route (in Logic) Rating: 5.00
Posted on 2013-03-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Age Ascertainment III (in Logic) Rating: 5.00
Posted on 2013-03-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Murderous Performer (in Logic)
Posted on 2013-03-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Tennis Tease (in Logic) Rating: 3.50
Posted on 2013-03-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The Seven Romans (in Logic) Rating: 5.00
Posted on 2013-01-02 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Covert Quantity (in Logic) Rating: 4.00
Posted on 2013-04-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Singleton Settlement (in Logic)
Posted on 2013-04-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Poker Precept (in Logic) Rating: 5.00
Posted on 2013-04-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Professor Perception (in Logic) Rating: 3.50
Posted on 2013-04-25 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Festival and Games (in Logic)
Posted on 2013-04-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Marriage Muse (in Logic) Rating: 2.00
Posted on 2013-05-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Numerical Logic (in Logic)
Posted on 2013-05-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Planet Life (in Logic) Rating: 1.67
Posted on 2013-05-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Finding Average (in Logic) Rating: 1.50
Posted on 2013-04-01 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Population of Funkytown (in Logic) Rating: 4.00
Posted on 2013-04-10 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Musicians (in Logic) Rating: 5.00
Posted on 2014-02-19 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Paint Perception (in Logic)
Posted on 2013-05-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5'X' cluded (in Logic)
Posted on 2013-06-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5William's house-number (in Logic) Rating: 5.00
Posted on 2013-06-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Place Perception (in Logic) Rating: 4.00
Posted on 2013-06-07 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Mail Delivery Muse (in Logic) Rating: 2.50
Posted on 2013-06-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Vera's Date (in Logic) Rating: 4.50
Posted on 2013-06-12 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Bridge Too Far (in Logic)
Posted on 2013-06-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Family Occupations (in Logic) Rating: 4.00
Posted on 2013-06-17 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Bullseye (in Logic)
Posted on 2013-06-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Card Deal (in Logic)
Posted on 2013-06-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Clockwork (in Logic)
Posted on 2013-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Singleton Settlement II (in Logic)
Posted on 2013-07-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Lion and Tamer (in Logic) Rating: 4.00
Posted on 2013-06-10 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Mouse eating Cheese (in Logic)
Posted on 2013-06-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Truthful days (in Logic) Rating: 2.00
Posted on 2013-01-31 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Athletic Competition (in Logic)
Posted on 2013-07-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Safe and sound (in Logic) Rating: 2.50
Posted on 2013-07-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Whose Hair Turned White? (in Logic) Rating: 2.67
Posted on 2013-07-11 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Equal Vision (in Logic) Rating: 5.00
Posted on 2013-07-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Patchy Problem (in Logic) Rating: 5.00
Posted on 2013-07-19 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Day-knights and night-knights 6 (in Logic) Rating: 5.00
Posted on 2013-08-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5The bottom line (in Logic)
Posted on 2013-08-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5River Trip (in Logic)
Posted on 2013-08-26 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Block Positions (in Logic) Rating: 5.00
Posted on 2013-08-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Covert Quantity II (in Logic) Rating: 2.67
Posted on 2013-08-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Different Gender (in Logic)
Posted on 2013-08-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Two Cubes (in Logic)
Posted on 2013-08-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Uncle Christmas (in Logic)
Posted on 2013-08-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Eight Calculations (in Logic)
Posted on 2013-08-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Near Magic Cube (in Logic)
Posted on 2013-08-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Letter Magic Square (in Logic)
Posted on 2013-09-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Different Routes (in Logic) Rating: 5.00
Posted on 2013-09-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Safe Combination (in Logic) Rating: 2.00
Posted on 2013-09-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Current Age Conclusion (in Logic) Rating: 5.00
Posted on 2013-09-10 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Age Ascertainment IV (in Logic)
Posted on 2013-09-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Covert Quantity III (in Logic) Rating: 2.00
Posted on 2013-09-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Four Cards (in Logic) Rating: 1.00
Posted on 2013-09-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Host Colligation (in Logic) Rating: 2.00
Posted on 2013-10-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Joker Possession (in Logic) Rating: 2.00
Posted on 2013-11-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quiz Quandary II (in Logic) Rating: 4.00
Posted on 2013-11-29 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Lively Letters (in Logic) Rating: 3.00
Posted on 2013-12-02 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Logical Choice (in Logic) Rating: 2.00
Posted on 2013-12-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Taller and Heavier (in Logic) Rating: 3.33
Posted on 2013-12-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Round Winner (in Logic) Rating: 3.00
Posted on 2013-12-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 57 boolean Questions (in Logic)
Posted on 2013-07-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5How much and why ? (in Logic)
Posted on 2013-04-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 54x4 Grid Logic III (in Logic) Rating: 4.00
Posted on 2013-10-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Serpent Attack (in Logic) Rating: 5.00
Posted on 2013-10-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Smart Man (in Logic) Rating: 3.50
Posted on 2013-10-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mansion Murder Muse (in Logic) Rating: 2.00
Posted on 2013-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5River Row (in Logic)
Posted on 2013-10-31 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Dart Discharge (in Logic)
Posted on 2013-11-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Errant Employee Extrication (in Logic)
Posted on 2013-11-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Card Crack (in Logic) Rating: 4.00
Posted on 2013-11-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Day-knights and night-knights 7 (in Logic)
Posted on 2013-11-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Battleships (in Logic)
Posted on 2013-04-24 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Ady's RH problem (in Logic)
Posted on 2014-03-11 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 1 of 5B & G (in Logic) Rating: 1.00
Posted on 2013-06-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Restaurant Murder Muse (in Logic)
Posted on 2014-01-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Hockey Preference (in Logic) Rating: 5.00
Posted on 2014-01-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Profession Pursuit (in Logic) Rating: 3.00
Posted on 2013-12-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Widow Surmise (in Logic) Rating: 4.00
Posted on 2013-12-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Hotel Room Rumination (in Logic) Rating: 4.00
Posted on 2013-12-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Inference Extraction (in Logic) Rating: 3.50
Posted on 2013-12-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Profession Pursuit II (in Logic) Rating: 3.00
Posted on 2014-01-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Name Determination (in Logic)
Posted on 2014-01-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Witness Wangle (in Logic)
Posted on 2014-01-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Narrow Escapes (in Logic) Rating: 3.50
Posted on 2014-01-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Hustler Duo Determination (in Logic)
Posted on 2014-01-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Impostor Identification (in Logic)
Posted on 2014-01-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Potluck Dinner (in Logic)
Posted on 2014-01-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Suit Settlement (in Logic) Rating: 4.00
Posted on 2014-01-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hockey Score Settlement (in Logic) Rating: 5.00
Posted on 2014-02-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Only one untrue statement (in Logic) Rating: 3.00
Posted on 2013-07-18 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Skirmish (in Logic)
Posted on 2014-02-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Five cards (in Logic) Rating: 4.00
Posted on 2014-02-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Group Settlement (in Logic) Rating: 3.00
Posted on 2014-02-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quiz Results III (in Logic)
Posted on 2014-02-10 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Five Hunters (in Logic)
Posted on 2014-02-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Crime Commitment Conclusion III (in Logic)
Posted on 2014-02-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Ten Items and Two Boxes (in Logic)
Posted on 2013-08-12 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Bullseye II (in Logic)
Posted on 2014-02-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Day-knights and night-knights 8 (in Logic)
Posted on 2014-03-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Card game III (in Logic) Rating: 3.00
Posted on 2014-03-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Chair Cue (in Logic) Rating: 5.00
Posted on 2014-03-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Store Stopover (in Logic)
Posted on 2014-03-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5House Identification (in Logic)
Posted on 2014-03-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5House Assignment (in Logic) Rating: 5.00
Posted on 2014-03-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Fight (in Logic) Rating: 3.00
Posted on 2013-12-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Town Trends (in Logic)
Posted on 2014-03-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Bargain Baffle (in Logic) Rating: 2.00
Posted on 2014-03-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Wooden Wangle (in Logic)
Posted on 2014-03-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tennis Tease II (in Logic) Rating: 5.00
Posted on 2014-04-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Upon Reflection (in Logic)
Posted on 2013-11-22 by brianjn (Solution Posted, 13 Comments)
Difficulty: 3 of 5Face-Up Card Array (in Logic)
Posted on 2013-11-20 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Veracity Verification II (in Logic) Rating: 5.00
Posted on 2014-04-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Family Murder Muse (in Logic)
Posted on 2014-04-09 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Four Cards (in Logic)
Posted on 2014-04-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Question Quandary (in Logic) Rating: 3.00
Posted on 2014-04-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Veracity Verification III (in Logic) Rating: 3.00
Posted on 2014-04-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Mobile Phone Muse (in Logic)
Posted on 2014-05-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Day-knights and night-knights 9 (in Logic) Rating: 5.00
Posted on 2014-05-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Ten Statements II (in Logic)
Posted on 2014-05-08 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Marriage Muse II (in Logic) Rating: 5.00
Posted on 2014-05-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Five Friends (in Logic) Rating: 3.00
Posted on 2014-05-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Win some, lose some (in Logic) Rating: 1.00
Posted on 2014-11-03 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Once a Liar, always a Liar 3 (in Logic) Rating: 4.00
Posted on 2014-09-21 by Dustin (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Five Cards III (in Logic) Rating: 4.00
Posted on 2015-03-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Tic-tac-toe related (in Logic) Rating: 2.00
Posted on 2014-12-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5R.I.P., J.C. (in Logic)
Posted on 2015-01-02 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Occam's Razor (in Logic)
Posted on 2015-01-19 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Cryptajoke III (in Logic) Rating: 4.00
Posted on 2015-02-23 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5From E to D (in Logic)
Posted on 2015-04-28 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Positive Integer and Power Puzzle (in Logic) Rating: 5.00
Posted on 2015-08-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Cryptajoke IV (in Logic) Rating: 4.00
Posted on 2015-03-06 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Long-life recipe (in Logic)
Posted on 2015-04-06 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Odd men out (in Logic)
Posted on 2015-04-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 1 of 5A sequence or not a sequence? (in Logic)
Posted on 2015-05-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5In a bar (in Logic)
Posted on 2015-05-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Lefties and righties (in Logic) Rating: 4.67
Posted on 2015-06-10 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Hockey pucks (in Logic)
Posted on 2015-08-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Red, White, and Blue (in Logic) Rating: 4.00
Posted on 2015-07-29 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cheryl's b-day (in Logic)
Posted on 2015-09-24 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Get 010101 (in Logic) Rating: 3.00
Posted on 2015-09-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5….to skin a cat (in Logic)
Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Marissa's and Melissa's birthdays (in Logic)
Posted on 2015-09-17 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 51-2-3 Remainder Resolution (in Logic) Rating: 4.67
Posted on 2016-02-16 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5ABCD Grid (in Logic)
Posted on 2015-12-16 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Expose ambiguity (in Logic) Rating: 3.00
Posted on 2016-01-13 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Family tree (in Logic) Rating: 5.00
Posted on 2016-01-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Think it over (in Logic)
Posted on 2016-04-27 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 1 of 5True Statement Settlement (in Logic) Rating: 4.00
Posted on 2016-10-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Bridge Cross Baffle (in Logic) Rating: 5.00
Posted on 2016-10-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mismatch Muse (in Logic) Rating: 5.00
Posted on 2016-10-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Tanya's puzzle (in Logic) Rating: 4.00
Posted on 2016-05-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Rocking moves (in Logic) Rating: 5.00
Posted on 2016-05-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Bonne chance (in Logic) Rating: 4.00
Posted on 2016-09-02 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hat #11 (in Logic) Rating: 4.00
Posted on 2016-07-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Numbers' quantifiers (in Logic)
Posted on 2016-09-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Empty or fool ?? (in Logic)
Posted on 2016-09-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Your conclusion requested (in Logic) Rating: 3.67
Posted on 2016-11-03 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5A's, B's, C's and D's (in Logic) Rating: 3.00
Posted on 2016-12-30 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Why not marry? (in Logic)
Posted on 2016-10-19 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5An easy whodunit (in Logic) Rating: 3.33
Posted on 2017-03-08 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 2 of 5Leave no stone unturned (in Logic) Rating: 4.00
Posted on 2017-03-19 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 1 of 5Beginning of the Month (in Logic) Rating: 5.00
Posted on 2017-01-09 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Traveling with Luggage (in Logic) Rating: 3.00
Posted on 2016-12-15 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Who discovered the secret? (in Logic)
Posted on 2016-12-27 by ollie (No Solution Yet, 4 Comments)
Difficulty: 2 of 5The Dot-town Suicides (in Logic)
Posted on 2017-04-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Names in Boxes (in Logic) Rating: 4.00
Posted on 2017-04-09 by Ady TZIDON (No Solution Yet, 15 Comments)
Difficulty: 3 of 5One more line (in Logic)
Posted on 2017-05-10 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Two sentences about Lady Chatterley (in Logic) Rating: 4.00
Posted on 2017-05-18 by ollie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Unreliable Witnesses (in Logic) Rating: 3.67
Posted on 2017-05-17 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Off and On (in Logic) Rating: 3.00
Posted on 2017-01-29 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Dirichlet sends his regards (in Logic) Rating: 3.00
Posted on 2017-05-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5 Empty the bucket (in Logic) Rating: 4.50
Posted on 2017-05-29 by Ady TZIDON (Solution Posted, 12 Comments)
Difficulty: 4 of 5Murder in the Castle (in Logic) Rating: 4.00
Posted on 2017-03-30 by ollie (No Solution Yet, 4 Comments)
Difficulty: 2 of 5At the bridge club (in Logic) Rating: 5.00
Posted on 2017-08-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Combinatory logic (in Logic)
Posted on 2017-06-24 by Math Man (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Centenarians (in Logic) Rating: 3.00
Posted on 2017-06-29 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5smallest large = largest small (in Logic) Rating: 3.00
Posted on 2017-08-22 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Letters in a Box (in Logic)
Posted on 2017-10-30 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5An unsolved double murder (in Logic)
Posted on 2017-09-08 by ollie (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Enigma (in Logic)
Posted on 2017-12-11 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A special phenomenon (in Logic) Rating: 5.00
Posted on 2018-01-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Past and present (in Logic)
Posted on 2018-03-05 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Logic or madness? (in Logic)
Posted on 2018-12-04 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 2 of 5Five International Delegates (in Logic)
Posted on 2018-04-18 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5The Petersen graph (in Logic)
Posted on 2018-06-02 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Any conclusions? (in Logic)
Posted on 2018-09-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5One rope, two flagpoles... (in Logic) Rating: 5.00
Posted on 2018-09-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Lefties and righties 2 (in Logic) Rating: 3.00
Posted on 2018-09-11 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Reverse reasoning (in Logic)
Posted on 2018-11-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Guessing the color (in Logic) Rating: 5.00
Posted on 2018-12-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5From ab to ba (in Logic) Rating: 3.00
Posted on 2019-01-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Cosmological Logic (in Logic)
Posted on 2019-05-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5BAD Ceed (in Logic)
Posted on 2019-02-27 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Number Donuts (in Logic)
Posted on 2019-04-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Numbers by Paint (in Logic) Rating: 4.00
Posted on 2019-04-23 by Charlie (Solution Posted, 3 Comments)
Difficulty: 1 of 5Missing letter (in Logic)
Posted on 2019-05-01 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Chemical deduction (in Logic) Rating: 5.00
Posted on 2019-05-13 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 1 of 5Tic tac toe variation (in Logic)
Posted on 2019-07-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Gifts exchanged (in Logic) Rating: 2.00
Posted on 2019-07-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime wisdom (in Logic)
Posted on 2019-05-14 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5A's, B's, C's and D's 2 (in Logic) Rating: 5.00
Posted on 2019-07-03 by Charlie (Solution Posted, 13 Comments)
Difficulty: 2 of 5A's, B's, C's and D's 3 (in Logic) Rating: 3.00
Posted on 2019-09-14 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5ABC (in Logic) Rating: 3.00
Posted on 2019-12-02 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Numbered Balls in Test Tubes (in Logic) Rating: 4.00
Posted on 2020-01-06 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Find the Holes (in Logic)
Posted on 2020-01-15 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5PYHIYP #3: 8 given, 1 missing (in Logic) Rating: 3.50
Posted on 2020-02-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5PYHIYP #4 (in Logic) Rating: 2.00
Posted on 2020-02-10 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Skyscrapers 2 (in Logic) Rating: 3.00
Posted on 2020-01-27 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5Set-Free (in Logic) Rating: 3.00
Posted on 2020-01-20 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5PYHIYP #6 (in Logic) Rating: 3.67
Posted on 2020-04-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5The odd one out. (in Logic) Rating: 4.67
Posted on 2020-06-22 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5Numbered Balls in Test Tubes 2 (in Logic) Rating: 3.00
Posted on 2020-08-10 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Yoshigahara's Masterpiece (in Logic) Rating: 2.00
Posted on 2020-07-31 by Jer (Solution Posted, 3 Comments)
Difficulty: 2 of 5Look b4 U leap (in Logic) Rating: 3.00
Posted on 2020-10-02 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 2 of 55 token coverage (in Logic) Rating: 3.00
Posted on 2020-10-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A's, B's, C's and D's 4 (in Logic) Rating: 4.00
Posted on 2021-01-07 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5A tinted train (in Logic) Rating: 4.00
Posted on 2021-01-19 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5The nearness of you (in Logic) Rating: 3.00
Posted on 2021-02-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Job interview (in Logic) Rating: 3.00
Posted on 2021-03-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Tom and Jerry (in Logic) Rating: 5.00
Posted on 2021-02-16 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Routes' routine (in Logic) Rating: 4.00
Posted on 2021-03-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Euphony (in Logic) Rating: 3.00
Posted on 2021-04-08 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Prisoners and Coins (in Logic) Rating: 3.00
Posted on 2021-04-14 by tomarken (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Person Puzzle (in Logic) Rating: 3.00
Posted on 2022-02-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Treasure Travail (in Logic) Rating: 4.00
Posted on 2021-12-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Scroll Search Settlement (in Logic) Rating: 4.00
Posted on 2021-12-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5The not-always-lying islanders (in Logic) Rating: 5.00
Posted on 2021-12-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Covert Quantity V (in Logic) Rating: 4.00
Posted on 2022-01-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Fair, Handsome, and Unscarred (in Logic) Rating: 4.67
Posted on 2022-01-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5TV Show Travail (in Logic) Rating: 5.00
Posted on 2022-07-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Four Friends and Die Puzzle (in Logic) Rating: 3.00
Posted on 2022-01-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Visit Validation (in Logic) Rating: 4.00
Posted on 2022-02-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Tanya's Date (in Logic) Rating: 4.00
Posted on 2022-02-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Marshaling Letter Magnitudes (in Logic) Rating: 4.00
Posted on 2022-03-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Relationship and Sex Settlement (in Logic) Rating: 3.00
Posted on 2022-03-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Card game IV (in Logic) Rating: 2.50
Posted on 2022-03-29 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Word Wangle II (in Logic) Rating: 5.00
Posted on 2022-04-09 by K Sengupta (Solution Posted, 13 Comments)
Difficulty: 3 of 5Animal Portraits Ascertainment (in Logic) Rating: 5.00
Posted on 2022-04-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Seven Shirt Settlement (in Logic) Rating: 3.50
Posted on 2022-05-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Car Thief Identification (in Logic)
Posted on 2022-05-08 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Getting Better on the Elo Ratings (in Logic) Rating: 4.50
Posted on 2022-07-14 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Card Identification Illation (in Logic) Rating: 5.00
Posted on 2022-06-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Pizza Topping Treat (in Logic) Rating: 5.00
Posted on 2022-06-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three Card Trial (in Logic)
Posted on 2022-06-26 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Restless Retreat Resolution (in Logic) Rating: 5.00
Posted on 2022-07-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Brothers Crossed Eye Color Puzzle (in Logic) Rating: 1.00
Posted on 2022-07-20 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Liar Playing Spitball (in Logic) Rating: 5.00
Posted on 2022-08-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Lefties and righties 3 (in Logic) Rating: 5.00
Posted on 2022-08-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Guard Schedule Surmise (in Logic) Rating: 5.00
Posted on 2022-08-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Colored Board Baffle (in Logic) Rating: 5.00
Posted on 2022-09-13 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 1 of 5Marriage Muse III (in Logic) Rating: 4.00
Posted on 2022-10-03 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Five sentences (in Logic) Rating: 5.00
Posted on 2022-02-09 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Bank Theft Baffle (in Logic) Rating: 5.00
Posted on 2022-10-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5A Misinformed Liar Cannot Falsify Facts (in Logic) Rating: 5.00
Posted on 2022-10-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Four Crossed Female Athlete Ascertainment (in Logic) Rating: 5.00
Posted on 2022-11-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Covert Quantity VI (in Logic) Rating: 5.00
Posted on 2022-11-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Ice Cream Sundae Surmise (in Logic) Rating: 5.00
Posted on 2022-12-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Butcher and Baker Puzzle (in Logic) Rating: 5.00
Posted on 2022-12-14 by K Sengupta (Solution Posted, 32 Comments)
Difficulty: 3 of 5Non-Boxer Brother Puzzle (in Logic) Rating: 5.00
Posted on 2022-12-29 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5No doubles (in Logic) Rating: 4.50
Posted on 2022-05-02 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Four Female Suspects (in Logic) Rating: 5.00
Posted on 2023-02-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Mr. Wolfingham's FiancĂŠe (in Logic) Rating: 5.00
Posted on 2023-03-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Three Coin Consideration (in Logic) Rating: 5.00
Posted on 2023-03-03 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Latin Square Overlay (in Logic) Rating: 5.00
Posted on 2022-08-10 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Four For Dinner Identification (in Logic) Rating: 5.00
Posted on 2023-03-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 5 of 5Another very sparse Sudoku (in Logic) Rating: 5.00
Posted on 2022-09-02 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 2 of 5Four Dozen Camper Conclusion (in Logic) Rating: 3.33
Posted on 2023-04-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Coin Quantity Query (in Logic) Rating: 3.67
Posted on 2023-04-20 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 1 of 5Evil Wizard Crossed Herb Conclusion (in Logic) Rating: 5.00
Posted on 2023-06-13 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 2 of 5Four Sisters Crossed Birth Month Settlement (in Logic) Rating: 5.00
Posted on 2023-08-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Exam (in Logic) Rating: 5.00
Posted on 2023-08-31 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Fourteen Neighbor Nuance (in Logic) Rating: 5.00
Posted on 2023-10-06 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Scrutiny (in Logic) Rating: 5.00
Posted on 2023-05-01 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Mad Ade's Fishing Trip (in Logic) Rating: 5.00
Posted on 2023-11-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Unlucky Horse (in Logic) Rating: 5.00
Posted on 2023-12-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 53 Hats (in Logic)
Posted on 2023-12-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Manaslu Trail (in Logic) Rating: 5.00
Posted on 2023-12-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5World of Nerds (in Logic) Rating: 5.00
Posted on 2024-01-23 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 55 Guests and Murder Puzzle (in Logic) Rating: 5.00
Posted on 2024-01-29 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 3 of 5The Right Key (in Logic) Rating: 5.00
Posted on 2024-02-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Chests (in Logic) Rating: 2.00
Posted on 2024-03-20 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Logic of pets (in Logic) Rating: 4.50
Posted on 2023-08-21 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Maximus (in Logic) Rating: 4.00
Posted on 2024-04-20 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5The Shipwreck (in Logic)
Posted on 2024-05-28 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Unknown Triangle (in Logic)
Posted on 2024-06-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Murderer is one of the Five (in Logic)
Posted on 2024-06-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Seating Arrangements (in Logic) Rating: 5.00
Posted on 2024-06-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5O, sleep! It is a gentle thing... (in Logic)
Posted on 2023-11-14 by Ady TZIDON (Solution Posted, 0 Comments)
Difficulty: 3 of 5Which Chair? (in Logic)
Posted on 2024-07-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Five Cousins Contention (in Logic)
Posted on 2024-10-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Who gave what to whom? (in Logic) Rating: 4.00
Posted on 2023-11-28 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Which Flowers Grow Where (in Logic) Rating: 3.00
Posted on 2024-08-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Pen, Pencil, and Eraser (in Logic)
Posted on 2024-08-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bridge at Midnight (in Logic)
Posted on 2024-10-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Liz's lying day (in Logic) Rating: 4.00
Posted on 2024-01-08 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tripartite words (in Logic)
Posted on 2024-01-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Maurice's Garden (in Logic)
Posted on 2024-09-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lunchtime Variety (in Logic)
Posted on 2024-09-09 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5The Fair Hat Test (in Logic)
Posted on 2024-06-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Desert (in Logic)
Posted on 2024-10-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Drinking logicians (in Logic)
Posted on 2024-09-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Executive Travel Woes (in Logic)
Posted on 2024-10-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Who Robbed the Bank? (in Logic)
Posted on 2024-11-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Religious and Political (in Logic)
Posted on 2024-12-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pick a box! (in Probability) Rating: 4.29
Posted on 2002-03-28 by levik (Solution Posted, 42 Comments)
Difficulty: 2 of 5Simple coins (in Probability) Rating: 3.88
Posted on 2002-04-09 by art (Solution Posted, 45 Comments)
Difficulty: 5 of 5A crazy passenger (in Probability) Rating: 4.56
Posted on 2002-04-18 by levik (Solution Posted, 16 Comments)
Difficulty: 3 of 5Trading cards (in Probability) Rating: 4.18
Posted on 2002-05-03 by levik (Solution Posted, 39 Comments)
Difficulty: 4 of 5Population control (in Probability) Rating: 3.57
Posted on 2002-05-05 by levik (Solution Posted, 14 Comments)
Difficulty: 4 of 5A blue taxi (in Probability) Rating: 3.79
Posted on 2002-05-24 by levik (Solution Posted, 17 Comments)
Difficulty: 3 of 5A birthday gamble (in Probability) Rating: 3.50
Posted on 2002-05-28 by levik (Solution Posted, 8 Comments)
Difficulty: 3 of 5Set A and B (in Probability) Rating: 2.50
Posted on 2002-05-29 by Dulanjana (Solution Posted, 8 Comments)
Difficulty: 3 of 5Five doors (in Probability) Rating: 3.80
Posted on 2002-06-05 by levik (Solution Posted, 11 Comments)
Difficulty: 3 of 5Maze (in Probability) Rating: 2.56
Posted on 2002-06-26 by Cheradenine (Solution Posted, 54 Comments)
Difficulty: 5 of 5Bascule's Book (in Probability) Rating: 2.75
Posted on 2002-07-03 by Cheradenine (Solution Posted, 41 Comments)
Difficulty: 3 of 5Dice Game (in Probability) Rating: 4.00
Posted on 2002-07-24 by Nick Reed (Solution Posted, 11 Comments)
Difficulty: 4 of 5Three for all (in Probability) Rating: 4.00
Posted on 2002-08-27 by levik (Solution Posted, 17 Comments)
Difficulty: 4 of 5Red ball... Red ball (in Probability) Rating: 3.15
Posted on 2002-10-17 by levik (Solution Posted, 17 Comments)
Difficulty: 3 of 5World Series (in Probability) Rating: 3.57
Posted on 2002-10-30 by Jim Lyon (Solution Posted, 6 Comments)
Difficulty: 2 of 5Ants on a triangle (in Probability) Rating: 2.80
Posted on 2002-11-20 by levik (Solution Posted, 13 Comments)
Difficulty: 4 of 59 labels and 9 jars (in Probability) Rating: 3.58
Posted on 2002-12-09 by Kozo Morimoto (Solution Posted, 15 Comments)
Difficulty: 3 of 5Return of the hats (in Probability) Rating: 3.69
Posted on 2002-12-10 by Raveen (Solution Posted, 16 Comments)
Difficulty: 3 of 5Hey coach, that's unfair! (in Probability) Rating: 3.18
Posted on 2003-01-05 by Cory Taylor (Solution Posted, 8 Comments)
Difficulty: 2 of 5BlackJack (in Probability) Rating: 4.00
Posted on 2003-02-12 by Alan (Solution Posted, 12 Comments)
Difficulty: 5 of 5Dice Proposition (in Probability) Rating: 4.20
Posted on 2003-02-22 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Make it Even (in Probability) Rating: 4.30
Posted on 2003-03-30 by Gautam (Solution Posted, 13 Comments)
Difficulty: 3 of 5The Peanuts (in Probability) Rating: 3.75
Posted on 2003-02-18 by Alan (Solution Posted, 11 Comments)
Difficulty: 5 of 5Probability of All of a Set (in Probability) Rating: 3.25
Posted on 2003-03-13 by Charlie (Solution Posted, 11 Comments)
Difficulty: 2 of 5Game of luck (in Probability) Rating: 3.40
Posted on 2004-01-27 by Tristan (Solution Posted, 23 Comments)
Difficulty: 4 of 5The Flooble Code (in Probability) Rating: 3.50
Posted on 2003-03-18 by Charlie (Solution Posted, 12 Comments)
Difficulty: 2 of 52,000,000 Coin Tosses (in Probability) Rating: 3.00
Posted on 2003-03-03 by Charlie (Solution Posted, 10 Comments)
Difficulty: 3 of 5Duel (in Probability) Rating: 3.33
Posted on 2003-03-06 by np_rt (Solution Posted, 4 Comments)
Difficulty: 3 of 5Happy Birthday (in Probability) Rating: 3.83
Posted on 2003-03-27 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Roots Of The Equation (in Probability) Rating: 2.67
Posted on 2003-08-20 by Ravi Raja (Solution Posted, 17 Comments)
Difficulty: 5 of 5I've a broken stick (in Probability) Rating: 3.60
Posted on 2003-12-07 by SilverKnight (No Solution Yet, 27 Comments)
Difficulty: 4 of 5The Last Baby (in Probability) Rating: 2.78
Posted on 2003-10-08 by Ravi Raja (Solution Posted, 24 Comments)
Difficulty: 4 of 5Same Name (in Probability) Rating: 3.67
Posted on 2003-10-11 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Playing With Marbles (in Probability) Rating: 3.10
Posted on 2003-10-13 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 3 of 5Spider and Fly (in Probability) Rating: 3.63
Posted on 2003-11-25 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 2 of 5Shuffled Cards (in Probability) Rating: 2.27
Posted on 2003-03-22 by Adam Champken (Solution Posted, 11 Comments)
Difficulty: 4 of 5Amoeba Colony (in Probability) Rating: 4.20
Posted on 2003-04-04 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Cars on the road (in Probability) Rating: 2.50
Posted on 2004-04-09 by SilverKnight (Solution Posted, 22 Comments)
Difficulty: 3 of 5Craps (in Probability) Rating: 3.50
Posted on 2003-04-18 by Charlie (Solution Posted, 19 Comments)
Difficulty: 2 of 5Dice Bingo (in Probability) Rating: 4.50
Posted on 2003-07-22 by Lewis (Solution Posted, 7 Comments)
Difficulty: 4 of 5Three of a Kind (in Probability) Rating: 4.40
Posted on 2003-11-19 by Lewis (No Solution Yet, 39 Comments)
Difficulty: 1 of 5Flipping a coin (in Probability) Rating: 2.76
Posted on 2003-05-20 by Tim Axoy (Solution Posted, 23 Comments)
Difficulty: 4 of 5A smart prisoner? (in Probability) Rating: 4.00
Posted on 2004-01-08 by SilverKnight (No Solution Yet, 23 Comments)
Difficulty: 4 of 5Don't Be a Square (in Probability) Rating: 4.47
Posted on 2003-05-19 by DJ (Solution Posted, 21 Comments)
Difficulty: 2 of 5The Safe (in Probability) Rating: 2.75
Posted on 2003-08-11 by Lewis (Solution Posted, 11 Comments)
Difficulty: 4 of 5Domino Chain (in Probability) Rating: 3.71
Posted on 2004-02-11 by Charlie (Solution Posted, 19 Comments)
Difficulty: 3 of 5Chessboard (in Probability) Rating: 3.50
Posted on 2004-01-14 by Ravi Raja (No Solution Yet, 21 Comments)
Difficulty: 3 of 5The Dice Game (in Probability) Rating: 4.25
Posted on 2003-11-10 by Gamer (Solution Posted, 6 Comments)
Difficulty: 4 of 5Random Primes (in Probability) Rating: 4.00
Posted on 2003-07-10 by not_so_einstein (Solution Posted, 9 Comments)
Difficulty: 2 of 5Die Toss (in Probability) Rating: 4.38
Posted on 2003-07-24 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 5At the World Series (in Probability) Rating: 3.20
Posted on 2004-04-01 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Square thinking (in Probability) Rating: 4.13
Posted on 2003-10-19 by Cory Taylor (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Quiz Quandary (in Probability) Rating: 3.78
Posted on 2003-12-26 by DJ (Solution Posted, 14 Comments)
Difficulty: 4 of 5That's a Load of Craps! (in Probability) Rating: 4.46
Posted on 2003-10-22 by DJ (No Solution Yet, 13 Comments)
Difficulty: 3 of 55, 6, Pick Up Sticks (in Probability) Rating: 3.88
Posted on 2003-11-05 by DJ (Solution Posted, 13 Comments)
Difficulty: 2 of 5The carnival game (in Probability) Rating: 3.56
Posted on 2003-09-18 by Gamer (Solution Posted, 30 Comments)
Difficulty: 2 of 5Quit While You're Ahead (in Probability) Rating: 3.56
Posted on 2003-11-10 by DJ (Solution Posted, 23 Comments)
Difficulty: 4 of 5Class Pass (in Probability) Rating: 4.00
Posted on 2004-06-24 by Gamer (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Coin tossing (in Probability) Rating: 3.67
Posted on 2004-06-11 by Federico Kereki (Solution Posted, 26 Comments)
Difficulty: 3 of 5How often does he lie? (in Probability) Rating: 2.50
Posted on 2004-07-02 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 2 of 5Two Packs Of Cards (in Probability) Rating: 3.86
Posted on 2004-02-05 by Ravi Raja (Solution Posted, 16 Comments)
Difficulty: 3 of 5Squares Probability II (in Probability) Rating: 2.33
Posted on 2004-03-23 by Gamer (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Easy as 1 2 3 (in Probability) Rating: 3.83
Posted on 2003-10-15 by Gamer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Maximum sum (in Probability) Rating: 3.83
Posted on 2004-07-29 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 4 of 5The Random Problem (in Probability) Rating: 4.29
Posted on 2004-02-09 by Gamer (Solution Posted, 8 Comments)
Difficulty: 3 of 5Hawks and Doves (in Probability) Rating: 3.50
Posted on 2004-09-13 by Federico Kereki (Solution Posted, 22 Comments)
Difficulty: 3 of 5Pairs of Socks (in Probability) Rating: 3.00
Posted on 2004-09-01 by SilverKnight (Solution Posted, 20 Comments)
Difficulty: 3 of 5a game of chance (in Probability) Rating: 4.25
Posted on 2003-12-31 by Cory Taylor (Solution Posted, 3 Comments)
Difficulty: 4 of 5On Average (in Probability) Rating: 3.75
Posted on 2004-01-26 by SilverKnight (Solution Posted, 11 Comments)
Difficulty: 5 of 5Happy Birthday (2) (in Probability) Rating: 2.67
Posted on 2004-03-11 by SilverKnight (Solution Posted, 6 Comments)
Difficulty: 3 of 5Birthday Line (in Probability) Rating: 3.56
Posted on 2004-03-29 by Victor Zapana (Solution Posted, 21 Comments)
Difficulty: 4 of 5Sneaky Joe's Craps (in Probability) Rating: 4.00
Posted on 2004-04-17 by Victor Zapana (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Billy's bag (in Probability) Rating: 3.00
Posted on 2005-04-17 by Hugo (Solution Posted, 18 Comments)
Difficulty: 3 of 5Who wins? (in Probability) Rating: 4.33
Posted on 2004-07-08 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 2 of 5Changing aces (in Probability) Rating: 3.50
Posted on 2005-01-31 by Steve Herman (Solution Posted, 9 Comments)
Difficulty: 5 of 5Parking Cars (in Probability) Rating: 4.33
Posted on 2004-07-01 by SilverKnight (No Solution Yet, 15 Comments)
Difficulty: 3 of 5A Coin Game (in Probability) Rating: 3.50
Posted on 2004-05-20 by Brian Smith (Solution Posted, 12 Comments)
Difficulty: 3 of 5The Last Diamond (in Probability) Rating: 2.80
Posted on 2004-05-25 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 1 of 5Black And Brown Gloves (in Probability) Rating: 2.45
Posted on 2004-10-06 by SilverKnight (Solution Posted, 27 Comments)
Difficulty: 2 of 5Chessboard Coin (in Probability) Rating: 2.83
Posted on 2004-10-08 by SilverKnight (Solution Posted, 21 Comments)
Difficulty: 2 of 5Harder Russian Roulette (in Probability) Rating: 3.43
Posted on 2004-09-11 by Federico Kereki (Solution Posted, 21 Comments)
Difficulty: 3 of 5Renumbered Dice (in Probability) Rating: 3.17
Posted on 2004-07-20 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 2 of 5Using Cards as Dice (in Probability) Rating: 2.75
Posted on 2004-08-09 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 3 of 5Waiting, waiting... (in Probability) Rating: 3.29
Posted on 2004-08-07 by Federico Kereki (Solution Posted, 19 Comments)
Difficulty: 4 of 5Marble-Go-Round (in Probability) Rating: 3.20
Posted on 2004-12-28 by neshal (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Rumor Mill (in Probability) Rating: 4.00
Posted on 2004-12-03 by SilverKnight (No Solution Yet, 14 Comments)
Difficulty: 4 of 5Poker Hands (in Probability) Rating: 3.00
Posted on 2004-07-09 by Thalamus (No Solution Yet, 11 Comments)
Difficulty: 3 of 5tic-tac-toe (in Probability) Rating: 1.83
Posted on 2004-07-30 by ThoughtProvoker (Solution Posted, 14 Comments)
Difficulty: 3 of 5Sins of the Gambler (in Probability) Rating: 2.33
Posted on 2004-08-23 by ThoughtProvoker (Solution Posted, 6 Comments)
Difficulty: 4 of 5Rummy Luck (in Probability) Rating: 3.00
Posted on 2005-01-07 by Rob (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Playing Lotto (in Probability) Rating: 4.00
Posted on 2005-01-14 by Federico Kereki (Solution Posted, 14 Comments)
Difficulty: 5 of 5Elemental game (in Probability) Rating: 3.67
Posted on 2005-06-16 by Tristan (Solution Posted, 17 Comments)
Difficulty: 5 of 5Four Pins and a Rubber Band (in Probability) Rating: 4.10
Posted on 2005-02-10 by David Shin (Solution Posted, 11 Comments)
Difficulty: 3 of 5Tic-Tac-Toe Toss Tactics? (in Probability) Rating: 4.00
Posted on 2004-10-04 by Old Original Oskar! (Solution Posted, 11 Comments)
Difficulty: 3 of 5Are you ill? (in Probability) Rating: 3.75
Posted on 2005-01-03 by e.g. (Solution Posted, 19 Comments)
Difficulty: 4 of 5Flipping Coins (in Probability) Rating: 3.71
Posted on 2004-10-13 by Brian Smith (Solution Posted, 26 Comments)
Difficulty: 3 of 5Dishonest Strategy (in Probability) Rating: 4.00
Posted on 2005-07-16 by Tristan (Solution Posted, 18 Comments)
Difficulty: 4 of 5Marble Game (in Probability) Rating: 4.20
Posted on 2004-11-01 by Brian Smith (Solution Posted, 12 Comments)
Difficulty: 2 of 5Triangular Cubes (in Probability) Rating: 3.00
Posted on 2004-12-04 by Erik O. (Solution Posted, 11 Comments)
Difficulty: 3 of 5High Rollers (in Probability) Rating: 2.50
Posted on 2004-12-08 by Gamer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Many heads (in Probability) Rating: 4.33
Posted on 2004-12-13 by e.g. (Solution Posted, 6 Comments)
Difficulty: 3 of 5Shoelaces (in Probability) Rating: 3.83
Posted on 2005-04-05 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Roll the Die Higher (in Probability) Rating: 3.86
Posted on 2005-04-07 by Charlie (Solution Posted, 13 Comments)
Difficulty: 3 of 5Throwing needles (in Probability) Rating: 3.67
Posted on 2005-01-19 by Sam (Solution Posted, 9 Comments)
Difficulty: 1 of 5The Second Level (in Probability) Rating: 1.60
Posted on 2005-04-26 by Michael Cottle (Solution Posted, 10 Comments)
Difficulty: 2 of 5Probability test (in Probability) Rating: 3.00
Posted on 2005-03-03 by Sandeep (Solution Posted, 13 Comments)
Difficulty: 3 of 5An Ace for a Pair (in Probability) Rating: 3.75
Posted on 2005-03-01 by DJ (Solution Posted, 12 Comments)
Difficulty: 3 of 5Fateful Fickle Fifteen (in Probability) Rating: 4.00
Posted on 2005-03-24 by Old Original Oskar! (Solution Posted, 9 Comments)
Difficulty: 2 of 5Black Jack (in Probability) Rating: 3.00
Posted on 2005-03-17 by Gamer (Solution Posted, 8 Comments)
Difficulty: 2 of 5Roulette (in Probability) Rating: 4.50
Posted on 2005-03-23 by e.g. (Solution Posted, 4 Comments)
Difficulty: 2 of 5The folly of war part 1: Knights (in Probability) Rating: 3.40
Posted on 2005-08-23 by Jer (Solution Posted, 24 Comments)
Difficulty: 3 of 5At the grocery store (in Probability) Rating: 4.00
Posted on 2005-06-05 by ajosin (Solution Posted, 4 Comments)
Difficulty: 2 of 5Might Merely Meet (in Probability) Rating: 4.00
Posted on 2005-06-07 by Old Original Oskar! (Solution Posted, 12 Comments)
Difficulty: 1 of 5Knot or Not? (in Probability) Rating: 2.33
Posted on 2005-08-04 by Erik O. (Solution Posted, 17 Comments)
Difficulty: 3 of 5A Printing Machine Problem (in Probability) Rating: 4.00
Posted on 2006-07-19 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Pair Playing Probability (in Probability) Rating: 3.00
Posted on 2005-08-02 by Old Original Oskar! (Solution Posted, 32 Comments)
Difficulty: 3 of 5Cherry picking (in Probability) Rating: 4.75
Posted on 2006-06-17 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Perpendiculars Picking Probability (in Probability) Rating: 3.80
Posted on 2005-11-24 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 5 of 5Riffling Chance (in Probability) Rating: 4.50
Posted on 2005-08-30 by Sam (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Boneheaded Bookie (in Probability) Rating: 4.00
Posted on 2005-11-26 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 2 of 5Scratch a Home Run! (in Probability) Rating: 2.00
Posted on 2005-10-18 by e.g. (Solution Posted, 9 Comments)
Difficulty: 3 of 5Happy Birthday (3) (in Probability) Rating: 4.00
Posted on 2006-06-09 by Sir Percivale (No Solution Yet, 13 Comments)
Difficulty: 3 of 5All Four Suits (in Probability) Rating: 4.25
Posted on 2006-06-06 by Charlie (Solution Posted, 8 Comments)
Difficulty: 3 of 5Spotty editing (in Probability) Rating: 4.33
Posted on 2006-02-14 by Tristan (Solution Posted, 13 Comments)
Difficulty: 2 of 5Assigning a wonky die (in Probability) Rating: 3.00
Posted on 2006-04-28 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Game Over! (in Probability) Rating: 3.50
Posted on 2006-05-22 by tomarken (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Figuring a wonky die (in Probability) Rating: 3.00
Posted on 2006-04-24 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Marbles in a Jar (in Probability) Rating: 3.40
Posted on 2006-05-18 by tomarken (Solution Posted, 11 Comments)
Difficulty: 3 of 5Multicolored Coins (in Probability) Rating: 3.33
Posted on 2006-05-24 by tomarken (Solution Posted, 10 Comments)
Difficulty: 3 of 5Winning The Regatta (in Probability) Rating: 4.50
Posted on 2005-11-28 by Steve Herman (Solution Posted, 6 Comments)
Difficulty: 3 of 5Hide and destroy (in Probability) Rating: 3.40
Posted on 2006-02-15 by Tristan (Solution Posted, 14 Comments)
Difficulty: 3 of 5Three from Nine (in Probability) Rating: 3.50
Posted on 2006-04-25 by Vernon Lewis (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Picking cards (in Probability) Rating: 3.00
Posted on 2006-08-17 by atheron (No Solution Yet, 8 Comments)
Difficulty: 3 of 54-gon Probability (in Probability) Rating: 3.25
Posted on 2006-11-03 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum crazy dice (in Probability) Rating: 5.00
Posted on 2006-11-30 by Jer (No Solution Yet, 8 Comments)
Difficulty: 2 of 5A Sign Problem (in Probability) Rating: 3.00
Posted on 2006-11-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5probability of X's (in Probability) Rating: 3.00
Posted on 2006-08-23 by Bon (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Sum Problem (in Probability) Rating: 4.00
Posted on 2006-12-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Rack-O (in Probability) Rating: 4.67
Posted on 2006-10-10 by Jer (Solution Posted, 4 Comments)
Difficulty: 2 of 5Allen's Ambivalent Approximation (in Probability) Rating: 4.00
Posted on 2007-01-11 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 2 of 5Custom Dice (in Probability) Rating: 4.00
Posted on 2006-11-16 by TamTam (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Colored Bead Combos (in Probability) Rating: 3.00
Posted on 2006-12-17 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Guess Again (in Probability) Rating: 3.33
Posted on 2007-01-15 by Jer (Solution Posted, 5 Comments)
Difficulty: 2 of 5Six hundred coins (in Probability) Rating: 4.50
Posted on 2006-12-22 by Tristan (Solution Posted, 13 Comments)
Difficulty: 3 of 5Fatal Guess (in Probability) Rating: 3.71
Posted on 2007-01-29 by atheron (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Two Obtuse Angles (in Probability) Rating: 3.60
Posted on 2007-01-27 by Dennis (Solution Posted, 4 Comments)
Difficulty: 3 of 5Urn, urn, urn (in Probability) Rating: 5.00
Posted on 2007-02-20 by Jer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Fair Pairs (in Probability) Rating: 4.67
Posted on 2007-03-05 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 4 of 5Sins of the Gambler 2 (in Probability) Rating: 5.00
Posted on 2007-04-05 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Paint it black (in Probability)
Posted on 2007-04-02 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 3 of 5TexMex Take-out (in Probability) Rating: 4.50
Posted on 2007-02-25 by hoodat (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Paint it black II (in Probability)
Posted on 2007-04-17 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 3 of 5Falling through the floor (in Probability)
Posted on 2007-05-18 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Blue Moon (in Probability) Rating: 3.00
Posted on 2007-06-07 by Jer (Solution Posted, 3 Comments)
Difficulty: 4 of 5The Pace of the Race (in Probability) Rating: 3.50
Posted on 2007-06-19 by Leming (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quadruple Agent (in Probability) Rating: 2.33
Posted on 2007-07-25 by Gamer (No Solution Yet, 12 Comments)
Difficulty: 3 of 5A Game of Tennis (in Probability) Rating: 3.50
Posted on 2007-07-05 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 5Numbered Cards (in Probability) Rating: 4.00
Posted on 2007-07-23 by Jer (Solution Posted, 13 Comments)
Difficulty: 3 of 5More Power 2 the Cards (in Probability) Rating: 5.00
Posted on 2007-10-01 by Charlie (Solution Posted, 0 Comments)
Difficulty: 3 of 5Bridge Probabilities (in Probability)
Posted on 2007-12-27 by Rob (No Solution Yet, 2 Comments)
Difficulty: 3 of 552 Pickup (in Probability) Rating: 5.00
Posted on 2008-01-15 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Carny Game (in Probability) Rating: 3.50
Posted on 2008-02-04 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Counting One's Marbles (in Probability) Rating: 5.00
Posted on 2008-02-18 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Three Points in a Square (in Probability) Rating: 4.00
Posted on 2008-03-17 by Brian Smith (No Solution Yet, 18 Comments)
Difficulty: 3 of 5Pick a card, any card.. (in Probability) Rating: 2.75
Posted on 2008-03-11 by FrankM (Solution Posted, 38 Comments)
Difficulty: 2 of 5Seeing red (in Probability) Rating: 5.00
Posted on 2008-06-07 by FrankM (Solution Posted, 5 Comments)
Difficulty: 4 of 5Capture the Flag (in Probability) Rating: 3.50
Posted on 2008-05-04 by FrankM (Solution Posted, 11 Comments)
Difficulty: 3 of 510 cell phones and 10 numbers (in Probability) Rating: 4.25
Posted on 2008-06-11 by Praneeth (Solution Posted, 11 Comments)
Difficulty: 3 of 5Password in an ATM (in Probability) Rating: 3.00
Posted on 2008-08-11 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5The mouse and the cheese (in Probability) Rating: 3.00
Posted on 2008-09-11 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5'Snake-Eyes ' Joe (in Probability)
Posted on 2008-07-28 by brianjn (Solution Posted, 14 Comments)
Difficulty: 1 of 525 balls (in Probability)
Posted on 2008-09-25 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 2 of 5Balls in an urn (in Probability) Rating: 4.00
Posted on 2008-11-11 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5Freecell Addiction (in Probability) Rating: 5.00
Posted on 2008-10-26 by Leming (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Weird Walk (in Probability) Rating: 4.67
Posted on 2009-01-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Finding the Knight (in Probability) Rating: 5.00
Posted on 2009-01-06 by Praneeth (Solution Posted, 2 Comments)
Difficulty: 3 of 5Winning the Competition (in Probability) Rating: 4.00
Posted on 2009-01-25 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 2 of 5Attack and defense (in Probability) Rating: 5.00
Posted on 2009-02-06 by pcbouhid (Solution Posted, 2 Comments)
Difficulty: 4 of 5Perfect Pairs (in Probability) Rating: 3.00
Posted on 2009-02-11 by Chris, PhD (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Bulbs and Switches II (in Probability)
Posted on 2009-05-22 by Praneeth (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Set of Primes (in Probability) Rating: 3.00
Posted on 2009-05-18 by Praneeth (Solution Posted, 6 Comments)
Difficulty: 3 of 5A personal lotto game (in Probability)
Posted on 2009-06-12 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5Equal Chance (in Probability)
Posted on 2009-08-03 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Probable Ten Power (in Probability) Rating: 4.50
Posted on 2009-10-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Random +, - or / Random (in Probability)
Posted on 2009-08-24 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Random + Random + Random (in Probability) Rating: 3.00
Posted on 2009-08-28 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 54x4 Grid Difference (in Probability)
Posted on 2009-10-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sum (Pair Product) = Sum (Triplet Product) (in Probability) Rating: 4.00
Posted on 2009-11-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Cubic and Consecutive Concern (in Probability) Rating: 5.00
Posted on 2010-03-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 53x3 Grid Near Magic (in Probability) Rating: 4.00
Posted on 2009-12-05 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Fair Fairy Fare (in Probability) Rating: 3.00
Posted on 2009-12-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Supreme Successive Shuffle (in Probability)
Posted on 2009-12-15 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 2 of 5White Balls and Black Balls (in Probability) Rating: 5.00
Posted on 2009-12-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Black and Blue Transaction (in Probability)
Posted on 2010-02-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Half a Circle, Half a Sphere (in Probability) Rating: 3.00
Posted on 2009-10-28 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5Probable Prime Poser (in Probability) Rating: 3.00
Posted on 2010-01-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Probable Near Pandigital Poser (in Probability) Rating: 5.00
Posted on 2010-01-31 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5sum of outcomes of three dice (in Probability) Rating: 3.00
Posted on 2009-11-20 by Vishal Gupta (Solution Posted, 5 Comments)
Difficulty: 3 of 55^13 as product of 3 numbers (in Probability)
Posted on 2009-11-22 by Vishal Gupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum Digit Concern (in Probability) Rating: 4.00
Posted on 2010-03-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Probable Near Pandigital Poser II (in Probability) Rating: 5.00
Posted on 2010-06-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Matching Matchbox Muse (in Probability)
Posted on 2010-03-30 by K Sengupta (No Solution Yet, 15 Comments)
Difficulty: 2 of 5Mountain Motif (in Probability) Rating: 3.50
Posted on 2010-04-07 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Twelve Divisor Trial (in Probability) Rating: 3.00
Posted on 2010-04-09 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Gambler's triangulation (in Probability) Rating: 3.50
Posted on 2010-03-18 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 1 of 5Fixed Row, Random Draw (in Probability) Rating: 3.50
Posted on 2010-05-14 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Known and Unknown Balls (in Probability) Rating: 5.00
Posted on 2010-05-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cubic and Consecutive Concern II (in Probability) Rating: 4.00
Posted on 2010-05-31 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Square and Consecutive Settlement (in Probability)
Posted on 2010-09-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Pandigitally Perfect (in Probability) Rating: 3.50
Posted on 2010-07-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Hill Numbers Settlement (in Probability) Rating: 2.50
Posted on 2010-07-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5All the colors in (in Probability) Rating: 5.00
Posted on 2010-04-26 by Ady TZIDON (Solution Posted, 22 Comments)
Difficulty: 3 of 5(x!+1)/(x+1) = prime number (in Probability) Rating: 2.33
Posted on 2010-07-30 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Wins 2 - wins all (in Probability)
Posted on 2010-05-06 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 5A Magic Die (in Probability) Rating: 4.50
Posted on 2010-06-10 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Delicate Divisibility (in Probability) Rating: 4.00
Posted on 2010-10-19 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Distinct Digit Determination (in Probability) Rating: 5.00
Posted on 2010-10-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Smokey's Smokes (in Probability) Rating: 5.00
Posted on 2010-06-03 by John zadeh (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Russian Roulette (in Probability) Rating: 4.50
Posted on 2010-06-08 by John zadeh (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Mr. Markov plays cards (in Probability)
Posted on 2010-06-26 by Andre (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Near Pandigital Divisibility (in Probability)
Posted on 2011-06-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5On the Brink Of Elimination (in Probability) Rating: 3.00
Posted on 2010-07-16 by Steve Herman (Solution Posted, 6 Comments)
Difficulty: 3 of 5Powerful Digit (in Probability) Rating: 4.00
Posted on 2011-03-29 by Jer (No Solution Yet, 12 Comments)
Difficulty: 3 of 5(sod(x))^2 = x+2 (in Probability) Rating: 5.00
Posted on 2011-01-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Never prime! (3) (in Probability) Rating: 5.00
Posted on 2011-02-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Treasure Island (in Probability)
Posted on 2010-08-15 by broll (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Tennis,anyone? (in Probability) Rating: 5.00
Posted on 2010-09-07 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 1 of 5Number of 1s (in Probability)
Posted on 2010-08-26 by Praneeth (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Triangular Cubes II (in Probability) Rating: 5.00
Posted on 2010-12-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Lost package (in Probability) Rating: 3.00
Posted on 2010-10-28 by Vishal Gupta (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Lying gambler (in Probability)
Posted on 2010-10-21 by Vishal Gupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Rolling to score (in Probability) Rating: 3.33
Posted on 2010-11-15 by Ady TZIDON (No Solution Yet, 17 Comments)
Difficulty: 3 of 5Adding to rolls (in Probability)
Posted on 2014-09-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Don't lose too fast (in Probability) Rating: 4.00
Posted on 2011-01-25 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Hill Numbers Settlement II (in Probability) Rating: 5.00
Posted on 2011-03-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Powerful Couple (in Probability) Rating: 5.00
Posted on 2011-03-16 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Match the Numbers (in Probability)
Posted on 2011-04-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Greatest Root Difference (in Probability)
Posted on 2011-05-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A game of coins (in Probability)
Posted on 2010-11-09 by Vishal Gupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Pandigital and divisible (in Probability)
Posted on 2010-12-26 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Triangular Cubes III (in Probability)
Posted on 2011-06-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reloading the Dice (in Probability) Rating: 3.00
Posted on 2011-01-20 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 2 of 5How would you bet? (in Probability)
Posted on 2011-02-13 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Flipping Even-Odd (in Probability)
Posted on 2011-01-28 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Some digits sum square (in Probability) Rating: 3.00
Posted on 2011-06-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rooting for two digits (in Probability)
Posted on 2011-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 52011 = Sum of Squares II (in Probability) Rating: 5.00
Posted on 2011-07-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5One up (in Probability) Rating: 3.00
Posted on 2014-08-22 by Larry (Solution Posted, 1 Comments)
Difficulty: 3 of 5Failure to Communicate (in Probability)
Posted on 2011-02-04 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5A happy trio (in Probability)
Posted on 2014-10-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Draw and go (in Probability)
Posted on 2014-10-08 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 1 of 5Open, Sesame! (in Probability) Rating: 2.00
Posted on 2014-10-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Domino Polygons (in Probability)
Posted on 2011-03-14 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Triangular Polygons (in Probability)
Posted on 2011-08-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Random number sequence (in Probability)
Posted on 2011-04-20 by Math Man (Solution Posted, 2 Comments)
Difficulty: 3 of 51 penny / 1 die (in Probability)
Posted on 2011-05-06 by Jer (Solution Posted, 5 Comments)
Difficulty: 4 of 5Antimagic square (in Probability) Rating: 5.00
Posted on 2011-07-12 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 1 of 5A world cup problem (in Probability) Rating: 1.50
Posted on 2014-08-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Triangular Polygons II (in Probability)
Posted on 2011-10-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some digits sum square II (in Probability)
Posted on 2011-10-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5 Beaujolais Nouveau Day (in Probability) Rating: 4.00
Posted on 2014-10-22 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Consecutive Placement - Not (in Probability) Rating: 5.00
Posted on 2014-12-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 52014 Prime Treat (in Probability) Rating: 5.00
Posted on 2014-12-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Zeroless or not? (in Probability) Rating: 4.00
Posted on 2014-10-07 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Square Choice Conclusion (in Probability) Rating: 5.00
Posted on 2014-11-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Supreme Red Sox Surmise (in Probability)
Posted on 2014-11-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pandigital Multiple (in Probability)
Posted on 2011-11-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Four Point Polygons (in Probability)
Posted on 2011-12-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sum Binary Digits (in Probability) Rating: 3.00
Posted on 2012-01-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Don't try this barefoot. (in Probability) Rating: 5.00
Posted on 2011-12-01 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fair play (in Probability) Rating: 3.00
Posted on 2011-12-30 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Winning Ticket Tickle (in Probability) Rating: 4.00
Posted on 2014-10-06 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Four Point Spheres (in Probability)
Posted on 2012-01-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Baby Blue (in Probability) Rating: 3.50
Posted on 2014-05-08 by tomarken (No Solution Yet, 11 Comments)
Difficulty: 3 of 5An enchanted coin (in Probability)
Posted on 2014-06-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Expected Smaller (in Probability)
Posted on 2014-05-12 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Expected of each (in Probability)
Posted on 2014-05-15 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Platonic Colors (in Probability) Rating: 1.00
Posted on 2011-11-21 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Ternary Sum Travail (in Probability)
Posted on 2014-10-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Competitive number guessing (in Probability)
Posted on 2012-02-11 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The decisive straw (in Probability)
Posted on 2014-07-25 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Find Merkle (in Probability)
Posted on 2012-01-18 by brianjn (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Switching Teams (in Probability) Rating: 4.00
Posted on 2014-02-28 by tomarken (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Liar Students (in Probability)
Posted on 2012-02-20 by Praneeth (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Another Magic Die (in Probability)
Posted on 2012-02-28 by Dustin (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Cinq Digit Choice (in Probability) Rating: 5.00
Posted on 2014-09-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5My phone is 2543663 (in Probability) Rating: 3.50
Posted on 2014-04-15 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Roy G Biv (in Probability) Rating: 5.00
Posted on 2014-09-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Segment Section Settlement (in Probability) Rating: 5.00
Posted on 2014-08-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Playing With Marbles II (in Probability) Rating: 5.00
Posted on 2014-08-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Box of Chocolates (in Probability) Rating: 4.00
Posted on 2012-03-02 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5A Coin Game II (in Probability)
Posted on 2012-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Repeated roll (in Probability)
Posted on 2012-05-25 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Excited to win (in Probability)
Posted on 2012-06-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor Log Formulation (in Probability) Rating: 5.00
Posted on 2014-08-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pair Ponder (in Probability) Rating: 5.00
Posted on 2014-08-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Octahedron Vertex Ponder (in Probability) Rating: 4.00
Posted on 2014-08-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5All 10 digits (in Probability) Rating: 5.00
Posted on 2012-07-06 by Math Man (Solution Posted, 5 Comments)
Difficulty: 3 of 5Discard Dice (in Probability) Rating: 3.00
Posted on 2012-07-27 by broll (Solution Posted, 4 Comments)
Difficulty: 3 of 5Poker Game (in Probability) Rating: 4.00
Posted on 2012-09-07 by Chris, PhD (No Solution Yet, 4 Comments)
Difficulty: 2 of 5White vs red (in Probability)
Posted on 2012-10-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Type Identification (in Probability) Rating: 2.00
Posted on 2013-01-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5 Two Dominoes (in Probability)
Posted on 2012-12-04 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Two urns (in Probability) Rating: 4.00
Posted on 2013-01-10 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Creeping Ants (in Probability)
Posted on 2012-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Geometric Generalization (in Probability)
Posted on 2013-02-28 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A blue taxi II (in Probability) Rating: 5.00
Posted on 2013-03-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Winning Chance (in Probability) Rating: 5.00
Posted on 2013-04-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Die Order (in Probability)
Posted on 2013-01-04 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5In or out? (in Probability)
Posted on 2014-03-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Taking the Long Shot (in Probability) Rating: 4.00
Posted on 2013-07-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5BINGO! (in Probability) Rating: 4.00
Posted on 2013-03-07 by Kenny M (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pass the beer (in Probability) Rating: 3.00
Posted on 2013-04-09 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Sitting on the Fence (in Probability) Rating: 5.00
Posted on 2013-08-13 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Walking the Blank (in Probability) Rating: 4.00
Posted on 2013-08-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Dueling Weathermen (in Probability)
Posted on 2013-12-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Every Die Face (in Probability) Rating: 3.00
Posted on 2013-07-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Random Queens (in Probability) Rating: 3.00
Posted on 2013-08-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Harmonic Harness (in Probability)
Posted on 2013-11-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Play or Pass (in Probability) Rating: 3.00
Posted on 2013-05-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Tic Tac Toe II (in Probability)
Posted on 2013-12-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5My uncle's habits (in Probability) Rating: 4.67
Posted on 2013-06-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Bet Brood (in Probability)
Posted on 2014-03-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5My crazy die (in Probability)
Posted on 2014-02-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Hats revisited (in Probability)
Posted on 2013-12-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Probing the prob. (in Probability) Rating: 3.00
Posted on 2014-01-21 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Attack Assay (in Probability) Rating: 5.00
Posted on 2014-05-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three Digit Travail (in Probability) Rating: 5.00
Posted on 2014-12-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5X L's from rolling TdL (in Probability) Rating: 3.00
Posted on 2014-09-30 by Dustin (No Solution Yet, 0 Comments)
Difficulty: 5 of 5Random^Random (in Probability) Rating: 5.00
Posted on 2014-10-29 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Random Choice (in Probability) Rating: 5.00
Posted on 2015-10-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Digit Product Puzzle (in Probability) Rating: 5.00
Posted on 2015-09-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Back to throne (in Probability)
Posted on 2015-05-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Random numbers sum together (in Probability)
Posted on 2015-05-15 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Oh no, not Monty again! (in Probability) Rating: 5.00
Posted on 2015-06-17 by broll (Solution Posted, 9 Comments)
Difficulty: 3 of 5Picking numbers (in Probability)
Posted on 2015-07-17 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 5Guessing suit (in Probability) Rating: 4.00
Posted on 2015-07-20 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 4 of 5One 1 to Six 6's (in Probability) Rating: 5.00
Posted on 2015-07-01 by Jer (No Solution Yet, 14 Comments)
Difficulty: 3 of 5This or that? (in Probability) Rating: 4.00
Posted on 2015-08-19 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three coins (in Probability) Rating: 2.00
Posted on 2015-08-20 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Surprising answer (in Probability)
Posted on 2015-09-02 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Bean coloring (in Probability) Rating: 4.50
Posted on 2015-07-13 by Jer (No Solution Yet, 11 Comments)
Difficulty: 1 of 5a KISS question (in Probability)
Posted on 2015-09-21 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Black and white socks (in Probability)
Posted on 2015-09-29 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Probability of constant leading (in Probability)
Posted on 2015-10-05 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Best guess (in Probability)
Posted on 2015-07-30 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Simpler probability problem? (in Probability)
Posted on 2015-08-11 by Jer (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Disk Toss on a Grid (in Probability) Rating: 5.00
Posted on 2016-07-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Pentagon and Acute Probability (in Probability) Rating: 5.00
Posted on 2016-08-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Random Sum Resolution (in Probability)
Posted on 2016-06-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Random chord problem 2 (in Probability)
Posted on 2016-06-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hexadecimal Hinder (in Probability) Rating: 5.00
Posted on 2016-06-19 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Dodecahedron Chance Determination (in Probability)
Posted on 2016-10-20 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Evaluate probabilities (in Probability)
Posted on 2016-01-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 52 coins (in Probability)
Posted on 2016-03-18 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Fifty-fifty? (in Probability)
Posted on 2016-02-18 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5In a bar (in Probability)
Posted on 2016-02-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Evaluate further probabilities (in Probability)
Posted on 2016-02-03 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Never 0 mod 3 (in Probability)
Posted on 2016-03-17 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Random^3 x Random (in Probability)
Posted on 2016-07-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Neighbors or not? (in Probability)
Posted on 2016-03-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5An educated guess (in Probability)
Posted on 2016-04-18 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Eight Points (in Probability) Rating: 5.00
Posted on 2016-08-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Random Chess Pieces Poser (in Probability)
Posted on 2016-08-29 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Dice Roll Resolution (in Probability) Rating: 5.00
Posted on 2016-09-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Unbiased and Biased Choice (in Probability) Rating: 5.00
Posted on 2016-09-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Real roots from three dice (in Probability) Rating: 5.00
Posted on 2016-09-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Nonnegative Sum Nuance (in Probability) Rating: 5.00
Posted on 2016-09-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Could you please repeat that? (in Probability)
Posted on 2016-04-20 by broll (Solution Posted, 4 Comments)
Difficulty: 3 of 5Mark's itinerary (in Probability)
Posted on 2016-05-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Gambler's policy (in Probability)
Posted on 2016-05-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Matching pegs (in Probability)
Posted on 2016-06-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Colored Candy Choice (in Probability)
Posted on 2016-05-25 by Jer (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Comparing two events (in Probability)
Posted on 2016-06-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Progressive probability (in Probability)
Posted on 2016-06-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The First Repeat (in Probability)
Posted on 2016-07-18 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 2 of 52 sums modulo 7 (in Probability)
Posted on 2016-10-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A biased random walk (in Probability)
Posted on 2016-12-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Odds are ... (in Probability) Rating: 3.50
Posted on 2017-02-14 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Areas ratio (in Probability)
Posted on 2017-02-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Only real x counted (in Probability)
Posted on 2017-03-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Same side story (in Probability)
Posted on 2017-03-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Are we there yet? (in Probability)
Posted on 2017-08-30 by Kenny M (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Pandigital + (in Probability)
Posted on 2017-05-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A cent or more? (in Probability)
Posted on 2017-05-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 52nd grade math (in Probability)
Posted on 2017-01-12 by Jer (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Heavily wounded (in Probability) Rating: 3.00
Posted on 2017-05-08 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 55 dice (in Probability) Rating: 3.00
Posted on 2017-05-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Four balls (in Probability) Rating: 3.50
Posted on 2017-05-19 by Ady TZIDON (Solution Posted, 22 Comments)
Difficulty: 3 of 5Fifty-Fifty Again? (in Probability) Rating: 3.00
Posted on 2017-06-14 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Double black (in Probability) Rating: 2.67
Posted on 2017-06-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Paradox? Not really (in Probability)
Posted on 2017-06-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 54 options (in Probability)
Posted on 2017-07-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Even (related) chances (in Probability)
Posted on 2017-08-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5N dice (in Probability) Rating: 3.50
Posted on 2017-05-25 by Larry (Solution Posted, 3 Comments)
Difficulty: 3 of 5Memory Match Game (in Probability)
Posted on 2017-05-31 by Steve Herman (Solution Posted, 9 Comments)
Difficulty: 3 of 5Make It Even Again (in Probability)
Posted on 2017-06-20 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Odds Must Be Crazy (in Probability)
Posted on 2017-10-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Attributed to Lewis Carroll (in Probability) Rating: 3.00
Posted on 2017-11-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Obtuse angle? (in Probability)
Posted on 2017-10-25 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Unpainting Black (in Probability)
Posted on 2017-07-14 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Starting the Scrabble Game (in Probability)
Posted on 2018-01-24 by Charlie (Solution Posted, 8 Comments)
Difficulty: 3 of 5The Sleeping Beauty problem (in Probability)
Posted on 2018-01-22 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Two random points (in Probability)
Posted on 2018-04-26 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Random log (in Probability)
Posted on 2018-02-04 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Evaluate probability (in Probability)
Posted on 2018-06-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 57 come zero (in Probability) Rating: 5.00
Posted on 2018-06-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Probability of being coprime (in Probability)
Posted on 2018-07-11 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5What is the best question? (in Probability) Rating: 4.00
Posted on 2018-05-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Play until you win (in Probability)
Posted on 2018-06-15 by Jer (Solution Posted, 2 Comments)
Difficulty: 2 of 5Winner moves (in Probability)
Posted on 2018-08-20 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Box of balls (in Probability) Rating: 4.00
Posted on 2018-10-16 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Monty Hall variant (in Probability)
Posted on 2018-09-30 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Who pinched the dice? (in Probability)
Posted on 2018-10-04 by broll (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Uniform distribution (in Probability)
Posted on 2019-01-25 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Corruption in my file (in Probability)
Posted on 2019-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5He stole my ball! (in Probability)
Posted on 2019-04-24 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 2 of 5No copying, students (in Probability)
Posted on 2019-05-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the rainbow (in Probability)
Posted on 2019-06-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Hexagonal Spider Web (in Probability)
Posted on 2019-09-12 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Number Cards Before Face Cards (in Probability) Rating: 3.00
Posted on 2019-05-02 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Yahtzee (in Probability) Rating: 3.00
Posted on 2019-08-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Order in triangular array (in Probability) Rating: 3.00
Posted on 2019-08-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Pairs of primes (in Probability)
Posted on 2019-07-27 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5The middle number (in Probability) Rating: 4.00
Posted on 2019-10-08 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Roll a unit (in Probability) Rating: 2.33
Posted on 2019-11-06 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Celebrated Jumping Frog of Perplexus County (in Probability)
Posted on 2020-03-04 by Larry (No Solution Yet, 2 Comments)
Difficulty: 2 of 5p(Ascending Number) closest to .01 (in Probability)
Posted on 2020-03-16 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Luck beats theory (in Probability)
Posted on 2020-05-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Gamow's Elevator (in Probability) Rating: 2.67
Posted on 2020-07-26 by Charlie (Solution Posted, 10 Comments)
Difficulty: 3 of 5Two Pill Bottles (in Probability)
Posted on 2020-08-19 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5S.S. Minnow SOS (in Probability)
Posted on 2020-09-02 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Common Birth Dates II (in Probability) Rating: 4.50
Posted on 2021-11-17 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 5Not The Weakest Link (in Probability) Rating: 5.00
Posted on 2020-12-28 by Charlie (Solution Posted, 8 Comments)
Difficulty: 4 of 5Card Deck: Complete a set, before... (in Probability) Rating: 4.00
Posted on 2021-05-25 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Chuck-A-Luck (in Probability) Rating: 3.00
Posted on 2020-10-22 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5The King Shows Some Mercy (in Probability) Rating: 3.00
Posted on 2020-10-19 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Metagame: Set and Match (in Probability) Rating: 3.00
Posted on 2020-10-27 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Solitaire: Probability Of No First Move (in Probability)
Posted on 2021-01-12 by Larry (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Never consecutive (in Probability) Rating: 4.00
Posted on 2021-01-26 by Jer (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Circular Reasoning (in Probability)
Posted on 2021-02-23 by Kenny M (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Beat The Book (in Probability) Rating: 4.50
Posted on 2021-03-10 by tomarken (Solution Posted, 10 Comments)
Difficulty: 3 of 5Gambler’s dilemma (in Probability) Rating: 3.00
Posted on 2021-05-28 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Let's play Bocce (in Probability) Rating: 5.00
Posted on 2021-06-02 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Pascal's Lottery (in Probability) Rating: 4.00
Posted on 2021-07-01 by broll (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Many Heads part 2 (in Probability) Rating: 4.50
Posted on 2021-08-02 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Common Birth Dates (in Probability) Rating: 4.33
Posted on 2021-09-29 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Checkerboard Chance Conclusion (in Probability) Rating: 5.00
Posted on 2022-02-07 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Slim chance? (in Probability) Rating: 4.00
Posted on 2022-03-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Colored Marble Muse (in Probability) Rating: 5.00
Posted on 2022-05-07 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Checkerboard Chance Conclusion II (in Probability) Rating: 5.00
Posted on 2022-05-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5 Card Shuffle Conclusion (in Probability) Rating: 5.00
Posted on 2022-05-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5The Game of Keno (in Probability) Rating: 4.00
Posted on 2022-07-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Announced rank average (in Probability) Rating: 4.00
Posted on 2022-02-16 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Product Crossed Square Settlement (in Probability) Rating: 5.00
Posted on 2022-08-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Red Flower Survival Surmise (in Probability) Rating: 5.00
Posted on 2022-08-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Overlap Settlement (in Probability) Rating: 5.00
Posted on 2022-09-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Four Points in a Square (in Probability) Rating: 5.00
Posted on 2023-01-12 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 2 of 5Facile probability poser? (in Probability) Rating: 5.00
Posted on 2022-10-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Wordle Word Randomization (in Probability) Rating: 4.00
Posted on 2022-02-14 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Announced vs Final rank average (in Probability) Rating: 5.00
Posted on 2022-02-23 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Knot Tying Travail (in Probability) Rating: 5.00
Posted on 2022-10-16 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Kebab Palace Casino Conclusion (in Probability) Rating: 5.00
Posted on 2023-04-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Game of Dice Puzzle (in Probability)
Posted on 2022-11-14 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Rising above the ceiling (in Probability) Rating: 5.00
Posted on 2022-12-06 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5The Playlist (in Probability) Rating: 5.00
Posted on 2022-04-28 by Kenny M (No Solution Yet, 2 Comments)
Difficulty: 3 of 5'- subject to availability -' (in Probability) Rating: 2.33
Posted on 2022-06-02 by broll (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Same digits II (in Probability) Rating: 4.00
Posted on 2022-06-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Five Pins on a Board (in Probability) Rating: 5.00
Posted on 2023-09-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Signal Settlement (in Probability) Rating: 5.00
Posted on 2023-04-05 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Paint it Black and Blue (in Probability) Rating: 5.00
Posted on 2023-04-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Average Arctic Distance (in Probability)
Posted on 2022-10-21 by Charlie (Solution Posted, 8 Comments)
Difficulty: 3 of 5Testing Time Treat (in Probability) Rating: 5.00
Posted on 2023-12-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Bless you, Blaise! (in Probability)
Posted on 2022-12-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ducks in a pond (in Probability) Rating: 5.00
Posted on 2023-01-24 by Jer (No Solution Yet, 17 Comments)
Difficulty: 3 of 5An Infinite Lattice of Points (in Probability) Rating: 5.00
Posted on 2024-05-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Bulbs and Switches III (in Probability)
Posted on 2023-09-10 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Accuracy Ascertainment (in Probability) Rating: 4.50
Posted on 2023-09-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Two vending machines (in Probability)
Posted on 2023-03-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Competing friends (in Probability)
Posted on 2023-03-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Comparing results (in Probability)
Posted on 2023-03-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 56 teams (in Probability)
Posted on 2023-03-17 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 552-card lottery (in Probability) Rating: 5.00
Posted on 2023-03-29 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Bug on a Cube (in Probability) Rating: 5.00
Posted on 2023-11-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Decimal Dice (in Probability) Rating: 5.00
Posted on 2023-12-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rock smashing competition (in Probability)
Posted on 2023-05-08 by Jer (No Solution Yet, 7 Comments)
Difficulty: 2 of 5 Similar to Find My Number (in Probability)
Posted on 2023-05-15 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Pete and Jimmy (in Probability) Rating: 5.00
Posted on 2023-12-29 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Pick two (in Probability)
Posted on 2023-06-08 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Multiples of 6 (in Probability) Rating: 5.00
Posted on 2024-02-22 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Taking the Long Shot (in Probability) Rating: 5.00
Posted on 2024-03-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Only two digits (in Probability)
Posted on 2023-07-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Matrix probability (in Probability)
Posted on 2023-09-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 57-11 game payoffs (in Probability)
Posted on 2023-07-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sock Sorting Space (in Probability)
Posted on 2023-09-30 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Red and Yellow (in Probability) Rating: 4.50
Posted on 2024-04-16 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Ten not welcomed... (in Probability)
Posted on 2023-08-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Stephen's Book (in Probability)
Posted on 2024-06-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic Lattice (in Probability)
Posted on 2024-07-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fair Toss (in Probability) Rating: 5.00
Posted on 2024-07-02 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Lighthouse Kerfuffle (in Probability)
Posted on 2023-12-02 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bug on a Cube 2 (in Probability)
Posted on 2023-11-27 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Game Show (in Probability)
Posted on 2024-07-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Bug on a Cube 3 (in Probability)
Posted on 2023-12-05 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Chessboard Squares Lying On The Same Diagonal (in Probability)
Posted on 2024-07-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bug on a Cube 4 (in Probability)
Posted on 2023-12-08 by Larry (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The First Lady (in Probability) Rating: 5.00
Posted on 2024-01-30 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Who wins? 2 (in Probability)
Posted on 2024-02-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Is it Possible? (in Probability) Rating: 3.00
Posted on 2024-09-06 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Boy born on a Tuesday (in Probability)
Posted on 2024-06-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Magic Bunny Power (in Probability)
Posted on 2024-08-04 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5A perfect appearance (in Probability)
Posted on 2024-02-06 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mostly 52 (in Probability) Rating: 5.00
Posted on 2024-02-27 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Define a rational function (in Probability)
Posted on 2024-03-04 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Even preferred? (in Probability)
Posted on 2024-03-06 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Non-conformist choice (in Probability)
Posted on 2024-03-14 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Blue majority (in Probability)
Posted on 2024-03-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5In or out? (in Probability)
Posted on 2024-04-09 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Row of towers, Part 2 (in Probability)
Posted on 2024-03-01 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Spider and Fly #2 (in Probability)
Posted on 2024-10-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Coin Flip Conundrum (in Probability)
Posted on 2024-11-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All Combos 2 (in Probability)
Posted on 2024-05-10 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Toss The 2s and 5s (in Probability)
Posted on 2024-12-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Vanishing Socks (in Probability)
Posted on 2024-12-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Total Point Probability (in Probability) Rating: 5.00
Posted on 2024-12-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Best Pairing Strategy (in Probability)
Posted on 2024-12-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tablecloth and Polka Dots (in Probability)
Posted on 2024-12-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Volleyball Rallies (in Probability)
Posted on 2024-12-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cutthroat Pickleball (in Probability)
Posted on 2024-08-21 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Make four equilateral triangles (in Shapes) Rating: 2.60
Posted on 2002-03-28 by levik (Solution Posted, 10 Comments)
Difficulty: 2 of 510 trees (in Shapes) Rating: 3.88
Posted on 2002-04-21 by moochie (Solution Posted, 11 Comments)
Difficulty: 2 of 5A fly on a cube (in Shapes) Rating: 3.36
Posted on 2002-04-23 by levik (Solution Posted, 15 Comments)
Difficulty: 3 of 5A scratched chessboard (in Shapes) Rating: 3.10
Posted on 2002-04-30 by levik (Solution Posted, 25 Comments)
Difficulty: 3 of 5An extra square (in Shapes) Rating: 4.08
Posted on 2002-04-30 by levik (Solution Posted, 15 Comments)
Difficulty: 4 of 5Half a cube (in Shapes) Rating: 4.00
Posted on 2002-05-03 by levik (Solution Posted, 11 Comments)
Difficulty: 3 of 5Two ways up (in Shapes) Rating: 2.75
Posted on 2002-05-05 by levik (Solution Posted, 14 Comments)
Difficulty: 3 of 5The groove around the moon (in Shapes) Rating: 2.92
Posted on 2002-05-06 by charl (Solution Posted, 32 Comments)
Difficulty: 4 of 5Four bugs (in Shapes) Rating: 4.00
Posted on 2002-05-07 by levik (Solution Posted, 13 Comments)
Difficulty: 4 of 5What's the area? (in Shapes) Rating: 3.73
Posted on 2002-05-08 by levik (Solution Posted, 16 Comments)
Difficulty: 3 of 5Triominoes (in Shapes) Rating: 3.17
Posted on 2002-05-21 by levik (Solution Posted, 7 Comments)
Difficulty: 3 of 5Out for a walk (in Shapes) Rating: 4.08
Posted on 2002-05-29 by Half-Mad (Solution Posted, 10 Comments)
Difficulty: 3 of 5Wood (in Shapes) Rating: 3.00
Posted on 2002-05-29 by Half-Mad (Solution Posted, 9 Comments)
Difficulty: 4 of 5Diagonal length (in Shapes) Rating: 3.58
Posted on 2002-06-02 by Dulanjana (Solution Posted, 8 Comments)
Difficulty: 3 of 5Enclosed area (in Shapes) Rating: 2.91
Posted on 2002-06-03 by Dulanjana (Solution Posted, 13 Comments)
Difficulty: 2 of 5The Triangle (in Shapes) Rating: 2.69
Posted on 2002-06-03 by Dulanjana (Solution Posted, 20 Comments)
Difficulty: 2 of 5Chocolate! (in Shapes) Rating: 3.60
Posted on 2002-06-12 by TomM (Solution Posted, 13 Comments)
Difficulty: 2 of 5Circular Logic (in Shapes) Rating: 1.63
Posted on 2002-07-03 by qball (Solution Posted, 26 Comments)
Difficulty: 5 of 5Grid Pathways (in Shapes) Rating: 3.92
Posted on 2002-07-22 by Nick Reed (Solution Posted, 29 Comments)
Difficulty: 4 of 5Trianglia (in Shapes) Rating: 4.00
Posted on 2002-09-11 by levik (Solution Posted, 9 Comments)
Difficulty: 4 of 5The Dizzy Traveller (in Shapes) Rating: 4.50
Posted on 2002-09-25 by Jim Lyon (Solution Posted, 25 Comments)
Difficulty: 2 of 5Checkers trick (in Shapes) Rating: 3.75
Posted on 2002-11-18 by Raveen (Solution Posted, 5 Comments)
Difficulty: 2 of 5Circle perimeters (in Shapes) Rating: 2.38
Posted on 2002-11-19 by Dulanjana (Solution Posted, 9 Comments)
Difficulty: 2 of 5Sugar Cubes (in Shapes) Rating: 3.09
Posted on 2002-12-24 by cges (Solution Posted, 10 Comments)
Difficulty: 3 of 5Triangles to Squares (in Shapes) Rating: 3.60
Posted on 2003-01-20 by Alan (Solution Posted, 7 Comments)
Difficulty: 2 of 5Folding Square (in Shapes) Rating: 3.86
Posted on 2003-02-12 by Alan (Solution Posted, 6 Comments)
Difficulty: 3 of 5Nine dots (in Shapes) Rating: 3.35
Posted on 2003-02-14 by Gautam (Solution Posted, 20 Comments)
Difficulty: 2 of 53-d grid hunting (in Shapes) Rating: 3.17
Posted on 2004-03-25 by Tristan (Solution Posted, 7 Comments)
Difficulty: 3 of 5Bull's eye! (in Shapes) Rating: 3.60
Posted on 2003-11-22 by Antonio (No Solution Yet, 17 Comments)
Difficulty: 2 of 5A horse's rope (in Shapes) Rating: 3.33
Posted on 2003-12-05 by Antonio (Solution Posted, 8 Comments)
Difficulty: 1 of 5Half Squared (in Shapes) Rating: 3.20
Posted on 2004-04-08 by Richard (Solution Posted, 13 Comments)
Difficulty: 3 of 5The right pentagon (in Shapes) Rating: 3.33
Posted on 2004-06-12 by Gamer (Solution Posted, 11 Comments)
Difficulty: 4 of 5Making Dice, Part 1 (in Shapes) Rating: 3.25
Posted on 2003-03-31 by Bryan (Solution Posted, 7 Comments)
Difficulty: 5 of 5Odd soccer ball (in Shapes) Rating: 3.50
Posted on 2003-12-04 by Antonio (Solution Posted, 5 Comments)
Difficulty: 3 of 5Making Dice, Part 2 (in Shapes) Rating: 3.75
Posted on 2003-04-17 by Bryan (Solution Posted, 10 Comments)
Difficulty: 3 of 5Tetrahedron bounded by spheres (in Shapes) Rating: 3.50
Posted on 2003-04-17 by Bryan (Solution Posted, 7 Comments)
Difficulty: 2 of 52 colors (in Shapes) Rating: 2.18
Posted on 2003-04-27 by Jonathan Waltz (Solution Posted, 9 Comments)
Difficulty: 3 of 53 colors (in Shapes) Rating: 4.10
Posted on 2003-05-01 by Jonathan Waltz (Solution Posted, 28 Comments)
Difficulty: 4 of 5Four Tangent Circles (in Shapes) Rating: 4.25
Posted on 2003-10-20 by Bryan (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Truncated Cone (in Shapes) Rating: 2.50
Posted on 2004-01-23 by Gamer (Solution Posted, 10 Comments)
Difficulty: 3 of 5Shortest distance (in Shapes) Rating: 4.00
Posted on 2003-12-10 by Antonio (Solution Posted, 16 Comments)
Difficulty: 2 of 5A Common Vertex (in Shapes) Rating: 3.00
Posted on 2004-07-12 by Brian Smith (Solution Posted, 19 Comments)
Difficulty: 3 of 5Getting Sheepish (in Shapes) Rating: 4.18
Posted on 2003-11-12 by DJ (No Solution Yet, 10 Comments)
Difficulty: 2 of 5More Trees (in Shapes) Rating: 3.50
Posted on 2003-10-30 by Gamer (Solution Posted, 27 Comments)
Difficulty: 4 of 5Square Deal (in Shapes) Rating: 3.82
Posted on 2003-06-30 by DJ (Solution Posted, 9 Comments)
Difficulty: 3 of 5Cut chessboard (in Shapes) Rating: 4.00
Posted on 2003-09-26 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 4 of 5Cutting Corners (in Shapes) Rating: 3.64
Posted on 2003-11-20 by DJ (Solution Posted, 16 Comments)
Difficulty: 3 of 5A different angle (in Shapes) Rating: 1.92
Posted on 2003-10-10 by Lewis (Solution Posted, 23 Comments)
Difficulty: 2 of 5Construct a Pentagram (in Shapes) Rating: 3.00
Posted on 2003-09-22 by brianjn (Solution Posted, 12 Comments)
Difficulty: 3 of 5Centrifugal Balance (in Shapes) Rating: 4.36
Posted on 2003-10-04 by DJ (Solution Posted, 13 Comments)
Difficulty: 3 of 5Landscape Architect (in Shapes) Rating: 3.25
Posted on 2003-09-27 by nikki (Solution Posted, 9 Comments)
Difficulty: 3 of 5The Bun Problem (in Shapes) Rating: 2.00
Posted on 2004-05-07 by Gamer (Solution Posted, 27 Comments)
Difficulty: 3 of 5Truncated Cube (in Shapes) Rating: 3.67
Posted on 2004-03-04 by Gamer (Solution Posted, 7 Comments)
Difficulty: 4 of 5Pack the Box (in Shapes) Rating: 3.33
Posted on 2004-01-04 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 3 of 5Star Stack (in Shapes) Rating: 3.50
Posted on 2004-04-12 by Gamer (No Solution Yet, 19 Comments)
Difficulty: 4 of 5Three Bugs (in Shapes) Rating: 4.00
Posted on 2004-01-22 by SilverKnight (Solution Posted, 16 Comments)
Difficulty: 3 of 5Square Divisions (in Shapes) Rating: 3.67
Posted on 2004-05-18 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Unit Cubes (in Shapes) Rating: 3.83
Posted on 2004-02-02 by Brian Smith (Solution Posted, 16 Comments)
Difficulty: 3 of 5Curious Continuous Connection (in Shapes)
Posted on 2005-03-10 by Old Original Oskar! (Solution Posted, 4 Comments)
Difficulty: 4 of 5Bully For You (in Shapes) Rating: 4.67
Posted on 2004-12-02 by Juggler (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Six Bugs (in Shapes) Rating: 3.25
Posted on 2004-03-16 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 3 of 5Twelve dots (and more!) (in Shapes) Rating: 2.50
Posted on 2004-08-17 by Tristan (Solution Posted, 5 Comments)
Difficulty: 3 of 5Equal Diagonals (in Shapes) Rating: 4.50
Posted on 2005-03-16 by Sam (No Solution Yet, 9 Comments)
Difficulty: 4 of 5An 'Impossible' Solid (in Shapes) Rating: 3.20
Posted on 2004-10-23 by brianjn (Solution Posted, 25 Comments)
Difficulty: 4 of 5Pack the Box 2 (in Shapes) Rating: 3.75
Posted on 2004-11-24 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5A square squared (in Shapes) Rating: 4.60
Posted on 2004-03-20 by Tristan (Solution Posted, 5 Comments)
Difficulty: 3 of 5Stan's Cassette (in Shapes) Rating: 3.09
Posted on 2004-04-27 by Leming (Solution Posted, 18 Comments)
Difficulty: 2 of 5Tent folding (in Shapes) Rating: 3.00
Posted on 2004-12-30 by Tristan (Solution Posted, 8 Comments)
Difficulty: 3 of 5A dozen Knights (in Shapes) Rating: 3.00
Posted on 2004-05-05 by Federico Kereki (Solution Posted, 5 Comments)
Difficulty: 2 of 5Third Squared (in Shapes) Rating: 4.25
Posted on 2004-09-15 by Jer (Solution Posted, 7 Comments)
Difficulty: 1 of 5Cutting a cube (in Shapes) Rating: 3.60
Posted on 2004-04-28 by e.g. (Solution Posted, 6 Comments)
Difficulty: 5 of 5Cube the Cube (in Shapes) Rating: 2.67
Posted on 2004-10-02 by SilverKnight (No Solution Yet, 13 Comments)
Difficulty: 2 of 5Circular Fun (in Shapes) Rating: 3.29
Posted on 2005-07-28 by Justin (Solution Posted, 19 Comments)
Difficulty: 3 of 5Grass Roots (in Shapes) Rating: 4.50
Posted on 2004-12-12 by Juggler (Solution Posted, 13 Comments)
Difficulty: 3 of 5Cutting Contrives Conical Cup (in Shapes) Rating: 4.00
Posted on 2005-04-01 by Old Original Oskar! (Solution Posted, 18 Comments)
Difficulty: 3 of 5A Tighter Fit (in Shapes) Rating: 2.00
Posted on 2004-07-29 by Brian Smith (Solution Posted, 20 Comments)
Difficulty: 2 of 5Jack's Ladder (in Shapes) Rating: 2.67
Posted on 2004-07-27 by Brian Smith (Solution Posted, 23 Comments)
Difficulty: 2 of 5Two Fields (in Shapes) Rating: 2.25
Posted on 2004-08-06 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 4 of 5Unfolding cube (in Shapes) Rating: 3.17
Posted on 2004-07-22 by Tristan (Solution Posted, 9 Comments)
Difficulty: 3 of 5Different Dot Domains Division (in Shapes) Rating: 3.00
Posted on 2005-03-08 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 3 of 5A New Solid (in Shapes) Rating: 4.13
Posted on 2004-10-05 by Brian Smith (Solution Posted, 19 Comments)
Difficulty: 3 of 5A Square Triangulation (in Shapes) Rating: 4.00
Posted on 2005-01-31 by David Shin (Solution Posted, 4 Comments)
Difficulty: 2 of 5Breaking glass (in Shapes) Rating: 3.00
Posted on 2005-06-30 by Hugo (Solution Posted, 17 Comments)
Difficulty: 2 of 53x5 = 5x3 (in Shapes) Rating: 3.08
Posted on 2004-09-30 by Federico Kereki (Solution Posted, 5 Comments)
Difficulty: 2 of 5Equiangular Hexagons (in Shapes) Rating: 3.40
Posted on 2004-10-15 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 3 of 5No Rotation Dissection (in Shapes) Rating: 3.33
Posted on 2004-10-19 by Brian Smith (No Solution Yet, 25 Comments)
Difficulty: 4 of 5A Square Problem (in Shapes) Rating: 4.00
Posted on 2004-12-26 by SilverKnight (No Solution Yet, 18 Comments)
Difficulty: 3 of 5Zquare (in Shapes) Rating: 3.50
Posted on 2004-10-10 by Gamer (No Solution Yet, 23 Comments)
Difficulty: 3 of 5Imperfect Square (in Shapes) Rating: 3.00
Posted on 2004-10-14 by Gamer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Square Perfection (in Shapes) Rating: 3.50
Posted on 2004-10-16 by Gamer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Four points on a Plane (in Shapes) Rating: 4.14
Posted on 2004-11-21 by Erik O. (Solution Posted, 15 Comments)
Difficulty: 2 of 5In and Out The Box (in Shapes) Rating: 3.33
Posted on 2005-04-06 by Michael Cottle (Solution Posted, 10 Comments)
Difficulty: 3 of 5Dividing a donut (in Shapes) Rating: 4.00
Posted on 2005-04-23 by Tristan (Solution Posted, 35 Comments)
Difficulty: 4 of 5Sphere in Tetrahedron (in Shapes) Rating: 2.50
Posted on 2005-04-19 by joe (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Decagon (in Shapes) Rating: 4.00
Posted on 2005-01-30 by Tristan (Solution Posted, 6 Comments)
Difficulty: 2 of 5Snow Splash (in Shapes) Rating: 2.75
Posted on 2005-05-15 by Gamer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Cut Chocolate Carefully! (in Shapes) Rating: 3.00
Posted on 2005-03-05 by Old Original Oskar! (Solution Posted, 9 Comments)
Difficulty: 2 of 5A Horse Tied To A Barn (in Shapes) Rating: 4.17
Posted on 2005-04-02 by Michael Cottle (Solution Posted, 10 Comments)
Difficulty: 3 of 5String and Wood (in Shapes) Rating: 3.00
Posted on 2005-08-08 by Larry (Solution Posted, 6 Comments)
Difficulty: 5 of 5Zimmerman's Family Points (in Shapes) Rating: 4.40
Posted on 2005-05-23 by owl (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Bat wings (in Shapes) Rating: 4.33
Posted on 2005-06-08 by McWorter (Solution Posted, 14 Comments)
Difficulty: 3 of 5Splitting Heirs (in Shapes) Rating: 3.75
Posted on 2005-06-15 by Bryan (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Perplexus Icon plus one (in Shapes) Rating: 4.50
Posted on 2005-06-18 by Leming (Solution Posted, 13 Comments)
Difficulty: 2 of 5Square Rotation (in Shapes) Rating: 2.20
Posted on 2005-07-02 by Erik O. (Solution Posted, 5 Comments)
Difficulty: 2 of 5Count the ways... (in Shapes) Rating: 4.00
Posted on 2005-10-28 by Tristan (Solution Posted, 7 Comments)
Difficulty: 1 of 5Inverting Triangles (in Shapes) Rating: 2.14
Posted on 2005-08-15 by Erik O. (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Solid triangles (in Shapes) Rating: 3.00
Posted on 2005-08-26 by Tristan (Solution Posted, 10 Comments)
Difficulty: 2 of 5100 squares (in Shapes) Rating: 4.00
Posted on 2006-04-30 by Jer (Solution Posted, 7 Comments)
Difficulty: 3 of 5Rubber star (in Shapes) Rating: 4.00
Posted on 2005-09-02 by Tristan (Solution Posted, 4 Comments)
Difficulty: 2 of 5Linked rings (in Shapes) Rating: 3.60
Posted on 2005-08-31 by Tristan (Solution Posted, 8 Comments)
Difficulty: 1 of 5Remove a Square (in Shapes) Rating: 3.00
Posted on 2005-09-06 by Lisa (Solution Posted, 21 Comments)
Difficulty: 4 of 5Rising water levels (in Shapes) Rating: 4.17
Posted on 2006-06-26 by Jer (No Solution Yet, 26 Comments)
Difficulty: 3 of 5Pythagorean chain converse (in Shapes)
Posted on 2006-06-16 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Coin through a hole (in Shapes) Rating: 3.00
Posted on 2006-05-29 by Jer (Solution Posted, 24 Comments)
Difficulty: 2 of 5Colored Blocks (in Shapes) Rating: 5.00
Posted on 2005-12-12 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 2 of 5Triangle Donut (in Shapes) Rating: 3.00
Posted on 2006-01-01 by tanx (Solution Posted, 14 Comments)
Difficulty: 3 of 5Simple Origami? (in Shapes) Rating: 4.00
Posted on 2006-03-07 by Jer (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Cross cut (in Shapes) Rating: 3.25
Posted on 2006-03-06 by Sir Percivale (No Solution Yet, 19 Comments)
Difficulty: 2 of 5No Fault Coverage (in Shapes) Rating: 3.00
Posted on 2005-12-18 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 4 of 5The Sum of Three Cubes (in Shapes) Rating: 2.00
Posted on 2005-12-20 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Walking the Edge (in Shapes)
Posted on 2006-04-18 by Jer (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Arrow dice 2 (in Shapes) Rating: 4.50
Posted on 2006-04-06 by Tristan (Solution Posted, 10 Comments)
Difficulty: 4 of 5D on its side (in Shapes) Rating: 4.33
Posted on 2006-01-16 by Jer (Solution Posted, 14 Comments)
Difficulty: 1 of 5Square = half itself? (in Shapes) Rating: 3.00
Posted on 2006-05-04 by Jer (Solution Posted, 20 Comments)
Difficulty: 4 of 5Tidy Triangle (in Shapes)
Posted on 2006-05-05 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5Pair of Quadrilaterals (in Shapes) Rating: 4.00
Posted on 2006-02-17 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Splitting shapes (in Shapes) Rating: 4.00
Posted on 2006-02-16 by Bob Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5Covering a circle (extended mix) (in Shapes) Rating: 4.00
Posted on 2006-06-20 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Arrow dice (in Shapes) Rating: 3.80
Posted on 2006-03-22 by Tristan (Solution Posted, 6 Comments)
Difficulty: 4 of 5Spinning disks (in Shapes) Rating: 4.33
Posted on 2005-12-03 by Tristan (Solution Posted, 6 Comments)
Difficulty: 2 of 5Cubes in a tin (in Shapes) Rating: 2.67
Posted on 2006-05-15 by Jer (Solution Posted, 24 Comments)
Difficulty: 3 of 5Pythagorean Chain (in Shapes) Rating: 3.50
Posted on 2006-03-20 by Jer (Solution Posted, 19 Comments)
Difficulty: 3 of 5Polyomino Puzzle (in Shapes) Rating: 3.75
Posted on 2005-11-22 by Brian Smith (Solution Posted, 21 Comments)
Difficulty: 3 of 5Square dissection (in Shapes) Rating: 3.67
Posted on 2006-05-16 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Walking the Edge Part 2 (in Shapes) Rating: 5.00
Posted on 2006-04-20 by Jer (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Square of Triangles (in Shapes) Rating: 2.00
Posted on 2006-02-04 by Josh70679 (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Two squares (in Shapes) Rating: 4.33
Posted on 2006-01-05 by goFish (Solution Posted, 7 Comments)
Difficulty: 2 of 5Solid triangles (2) (in Shapes)
Posted on 2005-12-05 by Tristan (Solution Posted, 7 Comments)
Difficulty: 3 of 5Covering A Circle (in Shapes) Rating: 3.33
Posted on 2005-10-21 by Brian Smith (Solution Posted, 12 Comments)
Difficulty: 3 of 53D Engineering problem (in Shapes) Rating: 4.00
Posted on 2006-08-02 by Salil (No Solution Yet, 17 Comments)
Difficulty: 3 of 5Polyhedra construction (in Shapes)
Posted on 2006-07-17 by Tristan (Solution Posted, 4 Comments)
Difficulty: 4 of 5Various Valleys, More Mountains (in Shapes) Rating: 2.50
Posted on 2006-07-26 by Jer (Solution Posted, 8 Comments)
Difficulty: 2 of 5Mountains and Valleys (in Shapes) Rating: 2.50
Posted on 2006-07-19 by Jer (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Paint Job Pro (in Shapes)
Posted on 2006-09-19 by JLo (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cutting planes with polygons (in Shapes) Rating: 4.00
Posted on 2006-09-06 by JLo (Solution Posted, 17 Comments)
Difficulty: 3 of 5Cutting polygons (in Shapes)
Posted on 2006-09-24 by JLo (Solution Posted, 9 Comments)
Difficulty: 3 of 5The Holy Cannoli (in Shapes) Rating: 4.50
Posted on 2006-11-01 by Larry (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Hyper-diamond (in Shapes) Rating: 4.00
Posted on 2006-10-19 by Tristan (Solution Posted, 2 Comments)
Difficulty: 4 of 5'Impossible' Solid's Volume (in Shapes) Rating: 4.00
Posted on 2006-11-04 by brianjn (Solution Posted, 12 Comments)
Difficulty: 3 of 5Tricky Troublesome Trisection (in Shapes) Rating: 2.75
Posted on 2007-02-19 by Old Original Oskar! (Solution Posted, 9 Comments)
Difficulty: 2 of 5Squareless (in Shapes) Rating: 3.33
Posted on 2006-12-04 by Stephen (Solution Posted, 6 Comments)
Difficulty: 3 of 5A quaint incongruent integral partitioning conundrum (in Shapes) Rating: 4.00
Posted on 2006-12-20 by JLo (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Day of the Locus (in Shapes) Rating: 4.00
Posted on 2006-12-07 by Larry (Solution Posted, 3 Comments)
Difficulty: 5 of 5The art of fencing (in Shapes) Rating: 3.00
Posted on 2006-12-27 by JLo (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Map Projection (in Shapes) Rating: 4.25
Posted on 2007-01-03 by Charlie (Solution Posted, 5 Comments)
Difficulty: 5 of 5Perplexing folds (in Shapes) Rating: 4.00
Posted on 2007-01-10 by Tristan (Solution Posted, 4 Comments)
Difficulty: 3 of 5At Fault Coverage (in Shapes) Rating: 2.00
Posted on 2007-03-22 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 2 of 5Almost a Cube (in Shapes) Rating: 2.50
Posted on 2007-04-17 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Patterns (in Shapes) Rating: 2.00
Posted on 2007-04-20 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 4 of 5TetraCubes (in Shapes) Rating: 4.00
Posted on 2007-05-08 by brianjn (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Semicircles (in Shapes) Rating: 2.33
Posted on 2007-04-27 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Well Balanced Letter: E (in Shapes) Rating: 4.33
Posted on 2007-04-30 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Well Balanced Letter: V (in Shapes) Rating: 4.00
Posted on 2007-05-07 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Well Balanced Letter: C (in Shapes) Rating: 2.00
Posted on 2007-05-10 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Well Balanced Letter: F (in Shapes) Rating: 4.00
Posted on 2007-05-16 by Jer (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Slice a Circle to fit a Rectangle (in Shapes) Rating: 4.17
Posted on 2007-08-22 by Jer (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Equilateral Triangle 123 (in Shapes) Rating: 4.33
Posted on 2007-09-05 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cutting Edge (in Shapes) Rating: 4.00
Posted on 2007-09-18 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cutting a Rectangle (in Shapes) Rating: 4.00
Posted on 2007-12-07 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 2 of 5Two Cube Folding Puzzles (in Shapes)
Posted on 2007-12-18 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 4 of 5One Piece Tetris (in Shapes) Rating: 4.00
Posted on 2007-12-19 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Your Yin, My Yang (in Shapes) Rating: 4.00
Posted on 2008-01-19 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5Everybody Holds Hands (in Shapes) Rating: 4.50
Posted on 2008-01-22 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Truncated Cube (in Shapes) Rating: 3.00
Posted on 2008-02-14 by Charlie (Solution Posted, 11 Comments)
Difficulty: 4 of 5Dao Juxing (The way of the rectangle) (in Shapes) Rating: 5.00
Posted on 2008-03-28 by FrankM (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Shape Invariant (in Shapes) Rating: 2.50
Posted on 2008-03-31 by FrankM (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rigidly Placed Polyominos (in Shapes) Rating: 4.00
Posted on 2008-04-10 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Somewhere Near the Center (in Shapes) Rating: 3.50
Posted on 2008-09-09 by Leming (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Cylindrical Cuts (in Shapes)
Posted on 2009-01-22 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Eight Sticks (in Shapes) Rating: 4.00
Posted on 2009-04-13 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5'Chess' Polygons (in Shapes)
Posted on 2009-04-24 by brianjn (Solution Posted, 5 Comments)
Difficulty: 2 of 5Two way tube. (in Shapes) Rating: 1.50
Posted on 2009-06-15 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Bounded Sine (in Shapes)
Posted on 2009-06-23 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Shadow in a Sphere (in Shapes) Rating: 4.00
Posted on 2009-08-19 by Chris, PhD (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Cutting the Card (in Shapes)
Posted on 2009-09-16 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Fixed length from unit square. (in Shapes) Rating: 5.00
Posted on 2009-10-01 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Splitting a 2 by N Rectangle (in Shapes)
Posted on 2009-11-11 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5Double Coverage (in Shapes) Rating: 3.00
Posted on 2009-09-29 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 2 of 55 points to convex quad (in Shapes) Rating: 4.00
Posted on 2009-10-05 by Jer (Solution Posted, 4 Comments)
Difficulty: 2 of 58 points no convex pentagon (in Shapes)
Posted on 2009-10-09 by Jer (Solution Posted, 4 Comments)
Difficulty: 4 of 59 points to convex pentagon (in Shapes)
Posted on 2009-10-12 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Through the Hole (in Shapes)
Posted on 2009-11-09 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Space Square (in Shapes)
Posted on 2009-11-06 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Checkerboard Dissection (in Shapes)
Posted on 2009-11-23 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cubic Surface (in Shapes)
Posted on 2009-12-07 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Triangles with no area (in Shapes)
Posted on 2009-12-30 by brianjn (Solution Posted, 9 Comments)
Difficulty: 3 of 54x11 Grid Fill (in Shapes) Rating: 3.00
Posted on 2010-03-21 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Sliced Cube = Square Pyramid (in Shapes) Rating: 3.50
Posted on 2010-06-02 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Drop into the Bucket (in Shapes) Rating: 4.00
Posted on 2010-02-03 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Solid triangles (3) (in Shapes)
Posted on 2010-08-18 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Another hour-glass (in Shapes)
Posted on 2010-03-15 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cut Cuboid = Elliptic Cone (in Shapes)
Posted on 2010-07-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 510 triominos = 6 pentominos (in Shapes) Rating: 4.00
Posted on 2010-06-16 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5MultiTile (in Shapes)
Posted on 2010-08-17 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tiled Loop (in Shapes) Rating: 4.00
Posted on 2010-11-05 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Wrapped Loop (in Shapes)
Posted on 2010-11-18 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Slide to Wrap Loop (in Shapes)
Posted on 2010-11-09 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Altered Parabolas (in Shapes)
Posted on 2010-12-01 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Around the ring (in Shapes) Rating: 3.00
Posted on 2010-12-20 by Jer (No Solution Yet, 9 Comments)
Difficulty: 3 of 53 cents (in Shapes)
Posted on 2014-08-29 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Penta_View (in Shapes)
Posted on 2011-02-17 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Penta_Full View (in Shapes)
Posted on 2011-02-24 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Partition a Square (in Shapes) Rating: 3.00
Posted on 2011-03-15 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5Cover-up (in Shapes) Rating: 4.50
Posted on 2011-06-23 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Train track shapes (in Shapes)
Posted on 2011-08-01 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Gold inside (in Shapes) Rating: 3.00
Posted on 2011-06-29 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 54 cents (in Shapes)
Posted on 2014-09-12 by Jer (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Cutting corners. (in Shapes)
Posted on 2014-08-14 by broll (Solution Posted, 6 Comments)
Difficulty: 3 of 5Triangle Area Trial (in Shapes) Rating: 5.00
Posted on 2014-12-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Extreme Ellipse Exercise (in Shapes) Rating: 5.00
Posted on 2014-12-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Extreme Cardioid Exercise (in Shapes)
Posted on 2014-12-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Origamic Revisited (in Shapes)
Posted on 2014-12-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Union of squares (in Shapes) Rating: 3.00
Posted on 2014-07-09 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Moving target (in Shapes)
Posted on 2014-09-25 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cuboid Volume Validation (in Shapes) Rating: 5.00
Posted on 2014-11-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Area Ascertainment II (in Shapes) Rating: 4.50
Posted on 2014-10-24 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Inscribed Pentagon Illation (in Shapes) Rating: 5.00
Posted on 2014-11-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quadrilateral Quandary (in Shapes)
Posted on 2014-11-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Box Volume Baffle (in Shapes) Rating: 3.00
Posted on 2014-11-05 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Painted Tetrahedra (in Shapes)
Posted on 2011-08-22 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sliced Grid, Same Sum (in Shapes)
Posted on 2012-02-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Regular Tetrahedron 1234 (in Shapes)
Posted on 2012-03-08 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Origamic II (in Shapes) Rating: 5.00
Posted on 2012-03-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Latin Colors (in Shapes)
Posted on 2011-10-26 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Covering a rectangle by circles (in Shapes) Rating: 4.50
Posted on 2012-01-30 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Triangular Crease 789 (in Shapes) Rating: 5.00
Posted on 2012-05-20 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5A Square Problem II (in Shapes)
Posted on 2012-05-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Circle in a Prism (in Shapes)
Posted on 2012-06-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Another folded paper (in Shapes)
Posted on 2012-01-03 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Equilateral 1234 (in Shapes) Rating: 5.00
Posted on 2012-03-17 by broll (Solution Posted, 7 Comments)
Difficulty: 3 of 5Folding Square II (in Shapes) Rating: 4.00
Posted on 2012-07-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Isosceles from Regular (in Shapes) Rating: 5.00
Posted on 2012-01-20 by Jer (Solution Posted, 13 Comments)
Difficulty: 3 of 51 Isosceles into 6 (in Shapes) Rating: 4.00
Posted on 2012-02-14 by Dustin (Solution Posted, 3 Comments)
Difficulty: 3 of 5Staircase tilings (in Shapes)
Posted on 2014-02-13 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Interior Angle Aggregate (in Shapes) Rating: 5.00
Posted on 2014-09-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Square Cut (in Shapes) Rating: 5.00
Posted on 2014-08-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tetrahedra Trial (in Shapes) Rating: 5.00
Posted on 2014-08-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cuboid Diagonal Conclusion (in Shapes) Rating: 5.00
Posted on 2014-09-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Angle Analysis (in Shapes)
Posted on 2014-09-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Bricks and Box Baffle II (in Shapes) Rating: 5.00
Posted on 2014-05-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cardboard Conclusion (in Shapes) Rating: 3.00
Posted on 2014-06-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Harmonic Harmony (in Shapes) Rating: 5.00
Posted on 2014-06-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5RMS Resolution (in Shapes) Rating: 5.00
Posted on 2014-06-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Validity Vindication (in Shapes)
Posted on 2014-06-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Spherical shelter (in Shapes)
Posted on 2012-04-27 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lean-to shelter (in Shapes)
Posted on 2012-05-03 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Origamic III (in Shapes)
Posted on 2012-10-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Point Construction Ponder (in Shapes) Rating: 5.00
Posted on 2015-02-25 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Tiling Trial II (in Shapes) Rating: 5.00
Posted on 2014-08-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Line Division (in Shapes) Rating: 5.00
Posted on 2014-08-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Geometric and Arithmetic Area (in Shapes) Rating: 4.50
Posted on 2014-08-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Oblate Spheroids (in Shapes)
Posted on 2014-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square Slice Settlement (in Shapes) Rating: 5.00
Posted on 2014-07-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cinq Confusion (in Shapes) Rating: 5.00
Posted on 2014-07-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Heptadecagon Hinder (in Shapes) Rating: 5.00
Posted on 2014-07-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Proportion Description (in Shapes)
Posted on 2014-07-16 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Pentagon in a Circle (in Shapes)
Posted on 2014-07-19 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Tiling Trial (in Shapes) Rating: 5.00
Posted on 2014-07-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Covering an Ellipse (in Shapes) Rating: 5.00
Posted on 2014-07-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Triangle Texture (in Shapes) Rating: 5.00
Posted on 2014-07-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Squares Settlement (in Shapes) Rating: 5.00
Posted on 2014-07-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tetra Net (in Shapes) Rating: 4.50
Posted on 2012-09-02 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Transformed circle (in Shapes) Rating: 4.00
Posted on 2012-10-13 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Transformed square (in Shapes)
Posted on 2012-10-25 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Area of semicircle (in Shapes)
Posted on 2012-12-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Skewed Area (in Shapes)
Posted on 2012-11-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5MAX octagonal area (in Shapes)
Posted on 2012-11-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 5 of 5Summing the fiftieth power (in Shapes)
Posted on 2012-11-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pentagon Ratio (in Shapes)
Posted on 2013-03-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Equilateral Crease (in Shapes) Rating: 3.00
Posted on 2013-04-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Product in a Circle (in Shapes)
Posted on 2013-03-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Cyclic QUAD (in Shapes)
Posted on 2013-03-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Four Coin Theorem (in Shapes)
Posted on 2013-03-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Square division II (in Shapes) Rating: 1.00
Posted on 2013-04-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Equaliteral Triangle Division (in Shapes)
Posted on 2013-04-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Crossed Cylinders (in Shapes) Rating: 4.00
Posted on 2013-05-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mean Distance Two Points (in Shapes)
Posted on 2013-06-01 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Cans in a cooler (in Shapes)
Posted on 2013-02-11 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Triangle Perimeters (in Shapes)
Posted on 2013-02-13 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Touching polygons (in Shapes) Rating: 4.00
Posted on 2013-02-27 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Prince Rupert's Tetrahedron (in Shapes)
Posted on 2013-07-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Dodecagonal Diagonals (in Shapes)
Posted on 2013-08-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fold Judgement (in Shapes) Rating: 2.50
Posted on 2013-10-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Circle on a grid 1 (in Shapes)
Posted on 2013-05-24 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Circle on a grid 2 (in Shapes)
Posted on 2013-06-02 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Area Ascertainment (in Shapes)
Posted on 2014-02-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Largest Overlapped Area (in Shapes)
Posted on 2014-02-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Telly's calendar (in Shapes)
Posted on 2013-08-06 by jduval (Solution Posted, 5 Comments)
Difficulty: 3 of 5Equilateral Crease II (in Shapes)
Posted on 2014-03-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5DoDeCaGon (in Shapes)
Posted on 2013-10-18 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Hexagon in a square (in Shapes)
Posted on 2013-11-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fold Ratio (in Shapes)
Posted on 2014-04-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Polycubic surface (in Shapes)
Posted on 2013-10-29 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fold Judgement II (in Shapes) Rating: 5.00
Posted on 2014-04-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Michelangelo? (in Shapes)
Posted on 2013-11-18 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5Embedded Triangles (in Shapes)
Posted on 2013-11-16 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Point-Line Jigsaw (in Shapes)
Posted on 2013-12-13 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5Red Area (in Shapes)
Posted on 2014-02-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Special polygon (in Shapes)
Posted on 2014-02-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Cinq Carve (in Shapes) Rating: 4.50
Posted on 2014-04-25 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Fold Judgement III (in Shapes) Rating: 4.00
Posted on 2014-04-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Inscribed Circle (in Shapes)
Posted on 2014-04-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hexagon Brood (in Shapes) Rating: 3.50
Posted on 2014-05-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Side Length Settlement (in Shapes)
Posted on 2014-05-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Bricks and Box Baffle (in Shapes)
Posted on 2014-05-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hyperbola Axes Hinder (in Shapes) Rating: 4.00
Posted on 2014-10-03 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Triangle Perimeter and Semi-Perimeter (in Shapes) Rating: 4.00
Posted on 2015-01-04 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Paramount Polygon Poser (in Shapes) Rating: 5.00
Posted on 2015-01-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Volume Ratio Validation (in Shapes) Rating: 5.00
Posted on 2015-01-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Total Triplet Treat (in Shapes) Rating: 5.00
Posted on 2015-02-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Line Ratio Resolution (in Shapes) Rating: 5.00
Posted on 2015-03-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Isosceles Crease (in Shapes) Rating: 5.00
Posted on 2015-03-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rectangular Rearrangement Resolution (in Shapes) Rating: 3.00
Posted on 2015-03-20 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Acute Ascertainment (in Shapes) Rating: 5.00
Posted on 2015-04-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Arithmetic Quadrilateral (in Shapes)
Posted on 2015-04-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Side Length Settlement 2 (in Shapes) Rating: 5.00
Posted on 2015-04-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Integer Triangle Trial (in Shapes) Rating: 5.00
Posted on 2015-04-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Find Points, Maximise Ratio (in Shapes) Rating: 4.00
Posted on 2015-06-05 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Cyclic Hexagon Hindrance (in Shapes)
Posted on 2015-04-29 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Tangent and Area Puzzle (in Shapes) Rating: 5.00
Posted on 2015-08-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cuboid Concern (in Shapes) Rating: 5.00
Posted on 2015-05-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Angle Ratio Ascertainment (in Shapes)
Posted on 2015-05-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Concurrency and Ratio Product Puzzle (in Shapes) Rating: 5.00
Posted on 2015-06-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Harmonic mean and constant determination puzzle (in Shapes) Rating: 4.50
Posted on 2015-06-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Side Ratio Resolution (in Shapes)
Posted on 2015-07-18 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Circumcenter, orthocenter and ratio puzzle (in Shapes)
Posted on 2015-07-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Triangle Side Puzzle (in Shapes) Rating: 5.00
Posted on 2015-07-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Painting high dimension cubes (in Shapes)
Posted on 2015-03-05 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Brick Packing Poser (in Shapes)
Posted on 2015-08-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Convex Hexagon and Ratio Product (in Shapes) Rating: 5.00
Posted on 2015-09-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 2 (in Shapes) Rating: 5.00
Posted on 2015-09-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Minimizing Perimeter (in Shapes)
Posted on 2015-03-04 by Danish Ahmed Khan (No Solution Yet, 15 Comments)
Difficulty: 1 of 5What property? (in Shapes)
Posted on 2015-05-28 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Map coloring (in Shapes) Rating: 3.33
Posted on 2015-06-05 by Jer (Solution Posted, 8 Comments)
Difficulty: 4 of 5No Unit Cube Dissection (in Shapes)
Posted on 2015-06-11 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Quadrilateral Side Query (in Shapes)
Posted on 2015-10-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Incircle Points (in Shapes)
Posted on 2015-11-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reversible hours (in Shapes) Rating: 3.00
Posted on 2015-12-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Lattice Vertices Verification (in Shapes)
Posted on 2016-07-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Line Length from Two Triangles (in Shapes) Rating: 5.00
Posted on 2016-07-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cos Case Concern (in Shapes) Rating: 5.00
Posted on 2015-12-06 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Distinct Triangle Determination (in Shapes) Rating: 5.00
Posted on 2015-12-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Equiangular Hexagon Query (in Shapes) Rating: 4.00
Posted on 2015-12-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pentagon and Reflection Poser (in Shapes) Rating: 5.00
Posted on 2015-12-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Triangle Area Ascertainment (in Shapes) Rating: 5.00
Posted on 2015-12-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Area from Square Areas (in Shapes) Rating: 5.00
Posted on 2016-01-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Tan Settlement (in Shapes) Rating: 5.00
Posted on 2016-01-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sine in a Circle (in Shapes) Rating: 5.00
Posted on 2016-01-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Area from Altitude (in Shapes) Rating: 5.00
Posted on 2016-01-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Hypotenuse from Cone (in Shapes) Rating: 5.00
Posted on 2016-01-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hexagon Hinder (in Shapes) Rating: 5.00
Posted on 2016-02-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Two Square Settlement (in Shapes) Rating: 5.00
Posted on 2016-02-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Trapezoid Length Trial (in Shapes) Rating: 4.00
Posted on 2016-02-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cheese Cut Conclusion (in Shapes) Rating: 5.00
Posted on 2016-02-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Light Beam Reflection (in Shapes)
Posted on 2016-03-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quadrilateral and Cyclic Query (in Shapes)
Posted on 2016-03-06 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 5 (in Shapes) Rating: 5.00
Posted on 2016-08-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Circle Cover Conclusion (in Shapes) Rating: 5.00
Posted on 2016-07-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tetrahedron Volume Travail (in Shapes) Rating: 5.00
Posted on 2016-03-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Hexagon in Complex Plane (in Shapes)
Posted on 2016-03-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Circle Line Length (in Shapes) Rating: 5.00
Posted on 2016-04-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Quadrilateral Area Query (in Shapes)
Posted on 2016-04-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rectangular Crease Resolution (in Shapes) Rating: 5.00
Posted on 2016-04-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hexagon Hinder 2 (in Shapes) Rating: 4.50
Posted on 2016-05-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 3 (in Shapes)
Posted on 2016-05-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Projection Ponder (in Shapes) Rating: 5.00
Posted on 2016-05-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Isosceles Leg Length (in Shapes)
Posted on 2016-06-09 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Find Ratio from Crease (in Shapes) Rating: 5.00
Posted on 2016-06-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum Segment Length (in Shapes) Rating: 5.00
Posted on 2016-06-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Covering a Square (in Shapes) Rating: 5.00
Posted on 2016-06-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 4 (in Shapes)
Posted on 2016-06-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four P Pentominoes (in Shapes) Rating: 4.00
Posted on 2016-03-04 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Same area (in Shapes) Rating: 4.00
Posted on 2016-03-15 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Tatami Tiling (in Shapes)
Posted on 2016-03-29 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Ways to Put a Square in a Triangle (in Shapes) Rating: 4.00
Posted on 2016-02-26 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Perimeter from Double-cones (in Shapes)
Posted on 2016-02-20 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Quadrilateral Area Query 2 (in Shapes) Rating: 5.00
Posted on 2016-07-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Digit Diameter Trial (in Shapes) Rating: 5.00
Posted on 2016-07-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cube Count Calculation (in Shapes) Rating: 5.00
Posted on 2016-07-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Equilateral Exercise (in Shapes) Rating: 5.00
Posted on 2016-07-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Triangle Cover Treat (in Shapes) Rating: 5.00
Posted on 2016-07-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triangle Area and Integer Finding (in Shapes) Rating: 5.00
Posted on 2016-07-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Table Partition Trial (in Shapes) Rating: 5.00
Posted on 2016-07-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Square in a Cone (in Shapes) Rating: 5.00
Posted on 2016-07-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rectangles and U Pentominos (in Shapes)
Posted on 2016-03-08 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quartering a Square (in Shapes) Rating: 4.00
Posted on 2016-03-29 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Star-shaped polyominos (in Shapes)
Posted on 2016-03-28 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sixty Degree Decision (in Shapes) Rating: 4.00
Posted on 2016-08-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 6 (in Shapes)
Posted on 2016-08-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hexagon Hinder 3 (in Shapes)
Posted on 2016-08-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Polygon Area Ponder (in Shapes)
Posted on 2016-09-01 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lattice Parallelogram and Point Poser (in Shapes)
Posted on 2016-09-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Quadrilateral and Radius Query (in Shapes)
Posted on 2016-09-15 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unit Cube Paint Undertaking (in Shapes) Rating: 5.00
Posted on 2016-09-28 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Wrapping a Regular Hexagon (in Shapes)
Posted on 2016-10-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seven Hexominos and Two Triominos (in Shapes)
Posted on 2016-11-26 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Circle cuts (in Shapes)
Posted on 2016-06-20 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Gluing Cubes (in Shapes)
Posted on 2016-12-08 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pentagon Partitions (in Shapes)
Posted on 2016-12-11 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 515 Triominoes (in Shapes) Rating: 4.00
Posted on 2016-07-26 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A Tetrahedral Volume Puzzle (in Shapes) Rating: 3.00
Posted on 2016-07-28 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Square angles (in Shapes)
Posted on 2016-08-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ten L-Hexominos (in Shapes)
Posted on 2016-08-31 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sparse Packing a Zig-Zag (in Shapes)
Posted on 2016-09-11 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Lopsided T-Hexomino (in Shapes) Rating: 4.00
Posted on 2016-09-09 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Six Hexominos surrounding a Tetromino (in Shapes)
Posted on 2016-10-19 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Tilings of a Hexomino (in Shapes)
Posted on 2016-08-16 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Covering a Cube with Strips (in Shapes)
Posted on 2016-08-18 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5T-Hexomino Packing (in Shapes)
Posted on 2016-08-26 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 3 of 5Hexominos and Squares (in Shapes)
Posted on 2016-09-07 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Eight Hexominos plus a Tetromino (in Shapes)
Posted on 2016-09-17 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Immobile Hexominos (in Shapes)
Posted on 2016-09-25 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rectangle Evasion (in Shapes)
Posted on 2016-09-29 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Covering a Square with Hexominos (in Shapes)
Posted on 2016-10-06 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Nine Hexominos in a Square (in Shapes)
Posted on 2016-10-07 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5No Fault Coverage 2 (in Shapes)
Posted on 2016-10-10 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5U-Hexominos and Squares (in Shapes)
Posted on 2016-10-12 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Tile a Rectangle (in Shapes)
Posted on 2016-10-15 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Rectangle Evasion 2 (in Shapes)
Posted on 2016-10-23 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Covering a Rectangle with Hexominos (in Shapes)
Posted on 2016-11-05 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The Ninth Hexomino (in Shapes)
Posted on 2016-10-28 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 2 of 5 Elongated Pentagonal Orthocupola's vertices (in Shapes)
Posted on 2017-03-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Seven Region Partition (in Shapes)
Posted on 2017-05-27 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Seven Point Placement (in Shapes) Rating: 4.00
Posted on 2017-05-20 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Staircases in a Cube (in Shapes)
Posted on 2017-03-10 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Square Slab and a Cube (in Shapes)
Posted on 2017-03-12 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sticks in a Cube (in Shapes)
Posted on 2017-04-11 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Triangle in a triangle (in Shapes)
Posted on 2017-08-28 by Jer (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Planks across a ditch (in Shapes) Rating: 4.00
Posted on 2017-08-17 by Jer (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Ellipse in a Truncated Triangle (in Shapes)
Posted on 2017-08-13 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Quadrilateral fill in the blank (in Shapes)
Posted on 2018-01-25 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Squares in a Square (in Shapes) Rating: 5.00
Posted on 2018-08-01 by Charlie (Solution Posted, 3 Comments)
Difficulty: 5 of 5Oh-oh Domino (in Shapes) Rating: 5.00
Posted on 2018-07-06 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 3 of 5A packing exercise (in Shapes)
Posted on 2018-09-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Tippy table (in Shapes)
Posted on 2018-08-14 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Ant highway (in Shapes)
Posted on 2018-08-17 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A pet ant (in Shapes)
Posted on 2018-08-31 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Rectangles 2 (in Shapes)
Posted on 2018-11-13 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5The Cut Cube (in Shapes)
Posted on 2019-02-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Envelop the rhombuses (in Shapes) Rating: 5.00
Posted on 2019-03-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5The Tiny Triangle (in Shapes)
Posted on 2019-03-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ten ways to pack a cube? (in Shapes)
Posted on 2019-01-11 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Vertices to incircle (in Shapes)
Posted on 2019-03-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Blobs' Borders 2 (in Shapes)
Posted on 2019-04-10 by Charlie (Solution Posted, 4 Comments)
Difficulty: 1 of 5Hexagon Angles Needed (in Shapes)
Posted on 2019-04-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hy-Spherical (in Shapes)
Posted on 2019-04-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Imagine the world (in Shapes)
Posted on 2019-04-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Trirectangular Corner Locus (in Shapes)
Posted on 2019-04-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rubik's minimal operator set (in Shapes)
Posted on 2019-05-23 by FrankM (Solution Posted, 2 Comments)
Difficulty: 3 of 5Maximal Rectangle (in Shapes)
Posted on 2019-12-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sliced sphere (in Shapes)
Posted on 2019-05-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Pouring water (in Shapes)
Posted on 2019-06-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 5 of 5Zig Zag Nonagon (in Shapes)
Posted on 2019-06-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Inellipse (in Shapes)
Posted on 2019-09-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Blobs' Borders (in Shapes)
Posted on 2019-03-25 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Connect the Numbers (in Shapes)
Posted on 2019-04-08 by Charlie (Solution Posted, 0 Comments)
Difficulty: 3 of 5Area of central locus (in Shapes)
Posted on 2019-09-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle rotation (in Shapes)
Posted on 2019-10-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Locate the Locus (in Shapes)
Posted on 2019-09-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Post Problem (in Shapes)
Posted on 2019-08-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5The Five Touching Spheres (in Shapes) Rating: 5.00
Posted on 2019-08-25 by Danish Ahmed Khan (No Solution Yet, 21 Comments)
Difficulty: 3 of 5The Five Touching Spheres 2 (in Shapes) Rating: 4.00
Posted on 2019-09-15 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5A matter of perspective (in Shapes)
Posted on 2019-09-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5(7x7-1) = 2(5x5-1) (in Shapes) Rating: 5.00
Posted on 2019-06-25 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Spherical displacement of water (in Shapes) Rating: 3.00
Posted on 2019-09-13 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Heptagonal Triangle (in Shapes) Rating: 3.00
Posted on 2019-12-27 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Reflection Triangle (in Shapes) Rating: 3.50
Posted on 2020-01-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Three Squares make a Triangle (in Shapes) Rating: 3.00
Posted on 2019-12-23 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Tilted drum (in Shapes)
Posted on 2020-06-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Cosine cups (in Shapes)
Posted on 2020-08-07 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 5 of 5Extreme revolving cuboid (in Shapes) Rating: 2.00
Posted on 2020-08-28 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Sphere parts (in Shapes)
Posted on 2020-09-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tetrahedral angles (in Shapes)
Posted on 2020-09-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Square to Cone Conversion (in Shapes)
Posted on 2020-09-12 by Larry (No Solution Yet, 2 Comments)
Difficulty: 4 of 53D geometry (in Shapes) Rating: 1.00
Posted on 2021-01-22 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Nine Pointed Sphere (in Shapes) Rating: 3.00
Posted on 2021-06-03 by Danish Ahmed Khan (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Gold-in pyramid (in Shapes) Rating: 5.00
Posted on 2020-10-06 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5Irregular Pentagram Problem (in Shapes)
Posted on 2021-02-24 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A thin triangle (in Shapes) Rating: 3.00
Posted on 2021-03-11 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Pyramid from a square (in Shapes) Rating: 4.00
Posted on 2021-07-29 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two spherical scoops (in Shapes) Rating: 4.00
Posted on 2021-08-24 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Limited Orientation Triominoes (in Shapes) Rating: 3.00
Posted on 2021-10-08 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Tricky Vowel Arrangement (in Shapes) Rating: 5.00
Posted on 2022-05-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Inscribed and Circumscribed Ellipse Puzzle (in Shapes) Rating: 5.00
Posted on 2022-08-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Nine points in a square crossed triangle area puzzle (in Shapes) Rating: 5.00
Posted on 2023-02-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Consider, Unit Area, Get Side Length (in Shapes) Rating: 4.50
Posted on 2022-10-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Regular Hexagon and Mean Distance (in Shapes) Rating: 5.00
Posted on 2022-10-14 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Heptagon in a Square (in Shapes) Rating: 5.00
Posted on 2023-03-07 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 3 of 5Inscribed Polygon Crossed Root Side Resolution (in Shapes) Rating: 5.00
Posted on 2023-04-29 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Maximum Polygon Area Ascertainment (in Shapes) Rating: 5.00
Posted on 2023-05-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Given the Vertices, Find the Area (in Shapes) Rating: 5.00
Posted on 2023-08-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Distance through a cube (in Shapes)
Posted on 2022-10-20 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5X Pentomino Crossed 8x8 Grid Puzzle (in Shapes) Rating: 5.00
Posted on 2023-08-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Comb polyominos (in Shapes)
Posted on 2023-02-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Filling a Box (in Shapes)
Posted on 2024-05-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Packing similar rectangles (in Shapes)
Posted on 2023-02-08 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Six Unit Squares (in Shapes)
Posted on 2024-06-12 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Given Leaning Ladder, Get the Base (in Shapes) Rating: 5.00
Posted on 2023-12-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Connecting the Dots (in Shapes)
Posted on 2023-12-22 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Square Heronian (in Shapes) Rating: 5.00
Posted on 2024-01-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Region Area Ascertainment 2 (in Shapes) Rating: 5.00
Posted on 2024-01-27 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Maximize Pyramid (in Shapes)
Posted on 2023-07-14 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Dodecagon Based Pyramid (in Shapes)
Posted on 2023-07-06 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Tilting Tower (in Shapes) Rating: 5.00
Posted on 2024-02-14 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Edge Crossed Vertex Puzzle (in Shapes)
Posted on 2024-03-02 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5A distorted chessboard (in Shapes)
Posted on 2023-09-05 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Evaluate an area (in Shapes)
Posted on 2023-07-25 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Concentric Circles and a Chord (in Shapes)
Posted on 2023-07-19 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Sheet of Stamps (in Shapes)
Posted on 2024-06-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Counting the Tilings (in Shapes)
Posted on 2023-08-29 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 4 of 5Tiling with Triominoes (in Shapes)
Posted on 2023-09-22 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 53 circles in a sliced square II (in Shapes)
Posted on 2023-09-26 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Unit Cubes (in Shapes)
Posted on 2024-06-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Row of towers (in Shapes)
Posted on 2024-02-23 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Red Face (in Shapes) Rating: 5.00
Posted on 2024-06-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5The Folding Ruler (in Shapes)
Posted on 2024-06-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hexagon Picking Probability (in Shapes) Rating: 5.00
Posted on 2023-10-25 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Two Cube Folding Puzzles #2 (in Shapes) Rating: 3.00
Posted on 2024-07-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Dissected square with center intact (in Shapes)
Posted on 2023-11-21 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Folding Ruler #2 (in Shapes) Rating: 5.00
Posted on 2024-07-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Letter Categories (in Shapes)
Posted on 2023-11-29 by Larry (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pentagon (in Shapes)
Posted on 2024-07-13 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Directronix Determination (in Shapes)
Posted on 2024-07-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Four Parallel Plane Crossed Tetrahedron (in Shapes)
Posted on 2024-08-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Non-Degenerate Crossed 35 Values Puzzle (in Shapes)
Posted on 2024-08-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5More Than Four Tangent Circles (in Shapes)
Posted on 2024-01-11 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Parallelogram pyramid (in Shapes)
Posted on 2024-01-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5tetrahedron contained in a sphere (in Shapes)
Posted on 2024-02-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Unequal tetrahedron (in Shapes)
Posted on 2024-04-02 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sphere Circumscribing Tetrahedron (in Shapes)
Posted on 2024-04-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Tetrahedron ratio range (in Shapes)
Posted on 2024-06-05 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hollow Tetrahedron Conundrum (in Shapes)
Posted on 2024-06-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Decoding the Cone-Hemisphere Surface Ballet (in Shapes)
Posted on 2024-06-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5A jumbo Ball in a Prism (in Shapes)
Posted on 2024-07-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Diameter of a spinning cube (in Shapes)
Posted on 2024-08-07 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quest for Maximum Volume Ratio (in Shapes)
Posted on 2024-08-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Incenter Crossed Circumcenter Decision (in Shapes)
Posted on 2024-10-11 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Equilateral triangle by distances (in Shapes)
Posted on 2024-03-29 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Sphere intersection (in Shapes)
Posted on 2024-10-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Navigating the Cone (in Shapes)
Posted on 2024-11-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 53-4-5 in a square (in Shapes)
Posted on 2024-12-04 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tri-sphere (in Shapes)
Posted on 2024-12-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Toroid Planet (in Shapes) Rating: 5.00
Posted on 2024-12-02 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Spiral Construction (in Shapes) Rating: 5.00
Posted on 2024-12-05 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Samantha's Square Courtyard (in Shapes) Rating: 5.00
Posted on 2024-12-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Traditional Soccer Ball (in Shapes)
Posted on 2024-06-28 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5Four people on a bridge. (in General) Rating: 3.69
Posted on 2002-04-14 by levik (Solution Posted, 15 Comments)
Difficulty: 3 of 5A busy bee (in General) Rating: 3.45
Posted on 2002-04-15 by levik (Solution Posted, 12 Comments)
Difficulty: 3 of 5A Bookworm’s meal (in General) Rating: 3.29
Posted on 2002-04-19 by levik (Solution Posted, 12 Comments)
Difficulty: 3 of 5A clock tower (in General) Rating: 2.40
Posted on 2002-04-24 by levik (Solution Posted, 13 Comments)
Difficulty: 2 of 5An inconsistent climber (in General) Rating: 3.30
Posted on 2002-04-25 by levik (Solution Posted, 10 Comments)
Difficulty: 3 of 5Opening doors (in General) Rating: 3.50
Posted on 2002-05-01 by levik (Solution Posted, 12 Comments)
Difficulty: 2 of 5A chain in payment (in General) Rating: 3.00
Posted on 2002-05-04 by levik (Solution Posted, 9 Comments)
Difficulty: 2 of 5Missing dollar (in General) Rating: 3.27
Posted on 2002-05-06 by charl (Solution Posted, 24 Comments)
Difficulty: 4 of 5Who owns the fish? (in General) Rating: 4.22
Posted on 2002-05-08 by Angela (Solution Posted, 19 Comments)
Difficulty: 2 of 5The hands of a clock (in General) Rating: 3.36
Posted on 2002-05-23 by levik (Solution Posted, 15 Comments)
Difficulty: 4 of 5MU (in General) Rating: 3.33
Posted on 2002-06-20 by friedlinguini (Solution Posted, 6 Comments)
Difficulty: 2 of 5Coffee and Cream (in General) Rating: 3.08
Posted on 2002-06-21 by carlina (Solution Posted, 10 Comments)
Difficulty: 5 of 5Marching Messenger (in General) Rating: 4.17
Posted on 2002-07-05 by Dulanjana (Solution Posted, 13 Comments)
Difficulty: 3 of 5A grid of people (in General) Rating: 3.58
Posted on 2002-07-09 by levik (Solution Posted, 16 Comments)
Difficulty: 2 of 5A pyramid of balls (in General) Rating: 2.83
Posted on 2002-08-02 by levik (Solution Posted, 6 Comments)
Difficulty: 4 of 5Electric car (in General) Rating: 4.38
Posted on 2002-08-29 by levik (Solution Posted, 16 Comments)
Difficulty: 3 of 5The Intrepid Ant (in General) Rating: 4.44
Posted on 2002-10-03 by Jim Lyon (Solution Posted, 26 Comments)
Difficulty: 3 of 5Corner of a die (in General) Rating: 3.47
Posted on 2002-10-26 by levik (Solution Posted, 10 Comments)
Difficulty: 2 of 5In the Act (in General) Rating: 3.75
Posted on 2002-11-25 by Cheradenine (Solution Posted, 15 Comments)
Difficulty: 1 of 5Word Rebus (in General) Rating: 3.77
Posted on 2002-11-26 by Happy (Solution Posted, 11 Comments)
Difficulty: 3 of 5Airport race (in General) Rating: 3.56
Posted on 2002-12-05 by levik (Solution Posted, 11 Comments)
Difficulty: 2 of 5Meet me at the lake (in General) Rating: 2.85
Posted on 2002-12-29 by pleasance (Solution Posted, 14 Comments)
Difficulty: 2 of 5L,E,T,T,E,R,S (in General) Rating: 3.09
Posted on 2002-12-11 by cges (Solution Posted, 7 Comments)
Difficulty: 2 of 5A special word (in General) Rating: 2.45
Posted on 2003-01-14 by Cory Taylor (Solution Posted, 23 Comments)
Difficulty: 2 of 5Have A Nice Day !! (in General) Rating: 2.44
Posted on 2003-02-04 by Ravi Raja (Solution Posted, 5 Comments)
Difficulty: 3 of 5Kings and Queens (in General) Rating: 2.78
Posted on 2003-01-30 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Book Worms (in General) Rating: 2.78
Posted on 2003-02-01 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 2 of 5Three Playing Cards (in General) Rating: 2.44
Posted on 2003-02-26 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5Family Problem (in General) Rating: 2.71
Posted on 2003-02-03 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 3 of 5The Rope (in General) Rating: 2.50
Posted on 2003-02-07 by Gautam (Solution Posted, 17 Comments)
Difficulty: 3 of 5Man's Best Friend (in General) Rating: 2.57
Posted on 2003-09-15 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 4 of 5The flooble question (in General) Rating: 4.00
Posted on 2003-02-18 by Alan (Solution Posted, 52 Comments)
Difficulty: 3 of 5Harder Puzzle (in General) Rating: 3.00
Posted on 2003-02-21 by Gautam (Solution Posted, 10 Comments)
Difficulty: 1 of 5Flowers (in General) Rating: 3.00
Posted on 2003-03-01 by Ravi Raja (Solution Posted, 20 Comments)
Difficulty: 2 of 5Time For Breakfast (in General) Rating: 2.91
Posted on 2003-03-03 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 3 of 5The Reindeers (in General) Rating: 2.38
Posted on 2003-04-07 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 2 of 5Numbers And Words (in General) Rating: 2.29
Posted on 2003-04-23 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 2 of 5Hearts And Spades (in General) Rating: 2.67
Posted on 2003-05-14 by Ravi Raja (Solution Posted, 30 Comments)
Difficulty: 2 of 5The Number Line (in General) Rating: 2.33
Posted on 2003-05-17 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 2 of 5Another Pack of Prudent Pirates (in General) Rating: 3.83
Posted on 2004-04-01 by Gamer (Solution Posted, 13 Comments)
Difficulty: 2 of 5Coin And Bottle (in General) Rating: 2.55
Posted on 2003-07-16 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 2 of 5Escape (in General) Rating: 1.69
Posted on 2003-07-23 by Ravi Raja (Solution Posted, 22 Comments)
Difficulty: 3 of 5Some Good Ideas (in General) Rating: 2.75
Posted on 2003-07-24 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 3 of 5The Lonely Dog (in General) Rating: 2.80
Posted on 2003-07-31 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5The glass balls (in General) Rating: 4.25
Posted on 2004-01-30 by Gamer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Six boxes (in General) Rating: 2.00
Posted on 2003-08-14 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5Bird Watching (in General) Rating: 2.33
Posted on 2003-08-30 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 3 of 5A group of letters (in General) Rating: 3.78
Posted on 2003-11-01 by Popstar Dave (Solution Posted, 8 Comments)
Difficulty: 2 of 5It's in the Cards (in General) Rating: 3.67
Posted on 2006-04-06 by Vernon Lewis (Solution Posted, 6 Comments)
Difficulty: 3 of 5Open By Majority (in General) Rating: 4.14
Posted on 2004-03-03 by Brian Smith (Solution Posted, 45 Comments)
Difficulty: 4 of 5Tiger - Man (in General) Rating: 4.00
Posted on 2003-10-29 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Fill 'Er Up! (in General) Rating: 4.40
Posted on 2004-06-03 by Victor Zapana (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Believe it or not (in General) Rating: 2.18
Posted on 2003-03-25 by Gautam (Solution Posted, 27 Comments)
Difficulty: 4 of 5Sled Shiver Sally (in General) Rating: 3.22
Posted on 2003-07-02 by Gamer (Solution Posted, 14 Comments)
Difficulty: 3 of 5100 marbles (in General) Rating: 3.58
Posted on 2003-04-29 by Jonathan Waltz (Solution Posted, 17 Comments)
Difficulty: 4 of 5The Hat and the River (in General) Rating: 2.00
Posted on 2003-05-05 by Jonathan Waltz (Solution Posted, 24 Comments)
Difficulty: 3 of 5Thirty two barbarians (in General) Rating: 3.00
Posted on 2004-01-28 by Gamer (No Solution Yet, 35 Comments)
Difficulty: 3 of 5Total Toothpaste (in General) Rating: 4.40
Posted on 2004-02-16 by Gamer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Shepherd's puzzle (in General) Rating: 3.00
Posted on 2003-08-13 by akshay (Solution Posted, 9 Comments)
Difficulty: 4 of 5Leapfrog (in General) Rating: 4.33
Posted on 2003-06-24 by DJ (No Solution Yet, 18 Comments)
Difficulty: 3 of 5Fathers and Sons (in General) Rating: 3.50
Posted on 2003-06-11 by Lewis (Solution Posted, 14 Comments)
Difficulty: 4 of 5Would you like to play a game? (in General) Rating: 4.33
Posted on 2004-05-10 by SilverKnight (No Solution Yet, 13 Comments)
Difficulty: 5 of 5Perfect Shuffle (in General) Rating: 4.25
Posted on 2004-05-19 by SilverKnight (No Solution Yet, 20 Comments)
Difficulty: 3 of 5The Black Suspenders (in General) Rating: 4.00
Posted on 2003-09-29 by Gamer (Solution Posted, 3 Comments)
Difficulty: 4 of 5Ten at a Bridge (in General) Rating: 3.43
Posted on 2003-07-28 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 2 of 5Ahnentafel Questions (I) (in General) Rating: 2.83
Posted on 2004-04-11 by TomM (Solution Posted, 15 Comments)
Difficulty: 5 of 5Knight's Tour (in General) Rating: 4.25
Posted on 2003-08-21 by Gamer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Simple Math? (in General) Rating: 3.90
Posted on 2003-12-30 by DJ (Solution Posted, 13 Comments)
Difficulty: 4 of 5A Better Mousetrap (in General) Rating: 4.18
Posted on 2004-01-20 by DJ (Solution Posted, 12 Comments)
Difficulty: 3 of 5Keeps on ticking... (in General) Rating: 4.36
Posted on 2003-08-01 by DJ (Solution Posted, 4 Comments)
Difficulty: 2 of 5Do it again (in General) Rating: 3.29
Posted on 2003-07-10 by Lewis (Solution Posted, 13 Comments)
Difficulty: 3 of 5101 - 102 (in General) Rating: 3.57
Posted on 2004-07-06 by Federico Kereki (Solution Posted, 19 Comments)
Difficulty: 3 of 5Roadway Riddle (in General) Rating: 2.15
Posted on 2003-08-31 by Trevor Leitch (Solution Posted, 25 Comments)
Difficulty: 4 of 5Lights Out! (in General) Rating: 4.00
Posted on 2003-11-02 by Gamer (Solution Posted, 27 Comments)
Difficulty: 3 of 5Jack and Jill (in General) Rating: 4.41
Posted on 2003-08-11 by DJ (Solution Posted, 4 Comments)
Difficulty: 2 of 5Pip Me! (in General) Rating: 4.00
Posted on 2003-09-16 by DJ (Solution Posted, 12 Comments)
Difficulty: 3 of 5The Conversing Club 2 (in General) Rating: 3.00
Posted on 2004-02-06 by Gamer (Solution Posted, 5 Comments)
Difficulty: 2 of 5What does it mean? (in General) Rating: 2.82
Posted on 2003-11-06 by Popstar Dave (Solution Posted, 11 Comments)
Difficulty: 3 of 5The not-always-lying politician (in General) Rating: 4.00
Posted on 2004-02-27 by Federico Kereki (Solution Posted, 20 Comments)
Difficulty: 2 of 5The Tour (in General) Rating: 3.00
Posted on 2004-06-04 by Gamer (Solution Posted, 11 Comments)
Difficulty: 3 of 5Horse Race (in General) Rating: 2.22
Posted on 2004-01-19 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 5 of 5Unique Necklaces (in General) Rating: 4.00
Posted on 2004-08-18 by SilverKnight (No Solution Yet, 15 Comments)
Difficulty: 4 of 5Partitioning the Regions (in General) Rating: 4.00
Posted on 2004-08-23 by SilverKnight (No Solution Yet, 4 Comments)
Difficulty: 1 of 5The Cannibals (in General) Rating: 1.29
Posted on 2004-02-04 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Chess Board Switch (in General) Rating: 3.67
Posted on 2004-02-28 by Gamer (Solution Posted, 15 Comments)
Difficulty: 3 of 5Slash and Dash II (in General) Rating: 2.43
Posted on 2003-10-08 by Gamer (Solution Posted, 15 Comments)
Difficulty: 3 of 5Flat Out (in General) Rating: 4.33
Posted on 2003-12-17 by DJ (Solution Posted, 24 Comments)
Difficulty: 3 of 5Counting Sheep (in General) Rating: 3.67
Posted on 2004-01-05 by DJ (Solution Posted, 7 Comments)
Difficulty: 3 of 5Problematic Pathways (in General) Rating: 2.67
Posted on 2004-06-08 by Gamer (Solution Posted, 8 Comments)
Difficulty: 4 of 5Stay in Form (in General) Rating: 4.25
Posted on 2004-01-03 by DJ (Solution Posted, 9 Comments)
Difficulty: 2 of 5Another Chain in Payment (in General) Rating: 3.00
Posted on 2003-11-17 by Gamer (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Boy, a Girl, and a Dog (in General) Rating: 4.00
Posted on 2004-01-24 by DJ (Solution Posted, 16 Comments)
Difficulty: 3 of 5Don't Talk About Yourself (in General) Rating: 3.78
Posted on 2004-02-01 by DJ (Solution Posted, 15 Comments)
Difficulty: 3 of 5Superimposition (in General) Rating: 3.40
Posted on 2004-01-30 by DJ (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Boy, a Girl, a Dog, and a Bicycle (in General) Rating: 4.18
Posted on 2004-02-03 by DJ (Solution Posted, 26 Comments)
Difficulty: 3 of 5Queen Square (in General) Rating: 4.00
Posted on 2004-09-20 by Gamer (No Solution Yet, 6 Comments)
Difficulty: 4 of 5The Conversing Club (in General) Rating: 3.00
Posted on 2003-12-29 by Gamer (Solution Posted, 6 Comments)
Difficulty: 4 of 5Archimedes' Cattle (in General) Rating: 3.50
Posted on 2004-02-17 by DJ (Solution Posted, 6 Comments)
Difficulty: 3 of 5Gamer say (in General) Rating: 4.00
Posted on 2004-03-18 by Gamer (Solution Posted, 16 Comments)
Difficulty: 3 of 5Moving Quarters (in General) Rating: 3.00
Posted on 2004-03-26 by Gamer (Solution Posted, 26 Comments)
Difficulty: 3 of 5Lines of Reasoning (in General) Rating: 2.33
Posted on 2004-09-16 by Juggler (Solution Posted, 20 Comments)
Difficulty: 3 of 5Safety from the Queen II (in General) Rating: 2.75
Posted on 2004-03-30 by Gamer (Solution Posted, 6 Comments)
Difficulty: 5 of 5The Conversing Club 3 (in General) Rating: 4.57
Posted on 2004-03-28 by Gamer (No Solution Yet, 63 Comments)
Difficulty: 3 of 5Cheap Charlie (in General) Rating: 1.92
Posted on 2004-03-12 by Popstar Dave (Solution Posted, 17 Comments)
Difficulty: 4 of 5Friday the 13th (in General) Rating: 3.50
Posted on 2004-08-13 by SilverKnight (Solution Posted, 13 Comments)
Difficulty: 4 of 5The Conversing Club 4 (in General) Rating: 4.40
Posted on 2004-05-21 by Gamer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Prime clock (in General) Rating: 3.75
Posted on 2004-08-01 by Federico Kereki (Solution Posted, 17 Comments)
Difficulty: 1 of 5Suzy and the tricycle (in General) Rating: 2.83
Posted on 2004-02-24 by ratsnstuff (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Ten Colors (in General) Rating: 4.50
Posted on 2004-03-05 by Aaron (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Sliding Puzzle (in General) Rating: 2.67
Posted on 2004-06-10 by Gamer (Solution Posted, 14 Comments)
Difficulty: 4 of 5Primal Magic Square (in General) Rating: 3.00
Posted on 2004-03-09 by SilverKnight (Solution Posted, 16 Comments)
Difficulty: 2 of 5Make a STATEment! (in General) Rating: 2.67
Posted on 2004-03-23 by SilverKnight (Solution Posted, 13 Comments)
Difficulty: 2 of 5Ages (in General) Rating: 3.00
Posted on 2004-08-31 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 2 of 5Patrolling the beat (in General) Rating: 2.11
Posted on 2004-03-18 by Popstar Dave (Solution Posted, 16 Comments)
Difficulty: 2 of 5Club password (in General) Rating: 4.00
Posted on 2004-03-29 by Popstar Dave (Solution Posted, 9 Comments)
Difficulty: 2 of 5A Family Gathering (in General) Rating: 3.36
Posted on 2004-03-31 by Popstar Dave (Solution Posted, 13 Comments)
Difficulty: 2 of 5A long camping trip (in General) Rating: 4.13
Posted on 2004-04-06 by Popstar Dave (Solution Posted, 11 Comments)
Difficulty: 2 of 5Ship Shape (in General) Rating: 3.00
Posted on 2004-04-30 by Popstar Dave (Solution Posted, 7 Comments)
Difficulty: 1 of 5Ping Pong Poise (in General) Rating: 2.50
Posted on 2004-05-13 by Popstar Dave (Solution Posted, 16 Comments)
Difficulty: 5 of 5The Phrase Odd One Out (in General) Rating: 2.00
Posted on 2004-04-29 by Victor Zapana (Solution Posted, 11 Comments)
Difficulty: 3 of 5No Safety from the Queen (in General) Rating: 3.00
Posted on 2004-09-23 by logischer Verstand (Solution Posted, 14 Comments)
Difficulty: 2 of 5Particle Acceleration (in General) Rating: 2.33
Posted on 2004-05-06 by SilverKnight (No Solution Yet, 25 Comments)
Difficulty: 2 of 5'Plexus pleaser (in General) Rating: 3.17
Posted on 2004-05-08 by Sam (Solution Posted, 24 Comments)
Difficulty: 3 of 5Hands On A Clock (in General) Rating: 3.50
Posted on 2004-07-05 by SilverKnight (No Solution Yet, 23 Comments)
Difficulty: 2 of 5Moving Furniture (in General) Rating: 2.33
Posted on 2004-08-30 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5More or less magic square (in General) Rating: 3.25
Posted on 2004-06-22 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 4 of 5FIGURE it out ! (in General) Rating: 3.33
Posted on 2004-09-10 by SilverKnight (No Solution Yet, 13 Comments)
Difficulty: 2 of 5Fill in the blanks. (in General) Rating: 2.64
Posted on 2004-09-22 by SilverKnight (Solution Posted, 15 Comments)
Difficulty: 5 of 5FIGURE it out (2) (in General) Rating: 4.75
Posted on 2004-09-25 by SilverKnight (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Fill in the blanks (2) (in General) Rating: 3.33
Posted on 2004-09-28 by SilverKnight (Solution Posted, 14 Comments)
Difficulty: 3 of 5Shepherd's Puzzle (2) (in General) Rating: 3.75
Posted on 2004-10-12 by SilverKnight (Solution Posted, 30 Comments)
Difficulty: 3 of 5Rectangle in lights (in General) Rating: 3.00
Posted on 2004-09-14 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Rameses' Pyramid (in General) Rating: 3.00
Posted on 2004-11-05 by SilverKnight (Solution Posted, 15 Comments)
Difficulty: 3 of 5Tin Can Company (in General) Rating: 2.75
Posted on 2004-11-12 by SilverKnight (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Dragon Hunting (in General) Rating: 3.78
Posted on 2004-12-10 by SilverKnight (Solution Posted, 37 Comments)
Difficulty: 3 of 5Another Couple (in General) Rating: 2.00
Posted on 2004-08-02 by Thalamus (Solution Posted, 9 Comments)
Difficulty: 3 of 5Pile of Cannonballs (in General) Rating: 3.00
Posted on 2004-08-03 by ThoughtProvoker (No Solution Yet, 12 Comments)
Difficulty: 5 of 5Converging Circumference (in General) Rating: 2.75
Posted on 2004-08-09 by ThoughtProvoker (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Buric's Cube (in General) Rating: 4.22
Posted on 2004-12-22 by SilverKnight (No Solution Yet, 7 Comments)
Difficulty: 1 of 5Moo-ing along (in General) Rating: 2.00
Posted on 2004-09-03 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 4 of 5Voting power distribution (in General) Rating: 3.71
Posted on 2005-01-24 by Tristan (Solution Posted, 13 Comments)
Difficulty: 5 of 5Unequaled inequalities (in General) Rating: 3.60
Posted on 2005-01-13 by Tristan (Solution Posted, 10 Comments)
Difficulty: 2 of 5Bug in the Problem? (in General) Rating: 3.20
Posted on 2005-04-22 by nikki (Solution Posted, 8 Comments)
Difficulty: 5 of 5Figure Eights (in General) Rating: 4.20
Posted on 2005-02-15 by David Shin (Solution Posted, 34 Comments)
Difficulty: 3 of 5Knight Moves (in General) Rating: 3.13
Posted on 2004-12-10 by DJ (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Jumping Coins (in General) Rating: 3.00
Posted on 2004-10-18 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 1 of 5My Many Friends (in General) Rating: 3.64
Posted on 2004-10-05 by Billy Bob (Solution Posted, 10 Comments)
Difficulty: 3 of 5Sum Place (in General) Rating: 3.00
Posted on 2005-03-07 by DJ (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three at a Time (in General) Rating: 3.50
Posted on 2004-10-26 by Brian Smith (Solution Posted, 23 Comments)
Difficulty: 2 of 5A Screw Loose (in General) Rating: 4.00
Posted on 2004-12-25 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 3 of 5Four Way Smarties (in General) Rating: 4.20
Posted on 2004-11-05 by Gamer (Solution Posted, 22 Comments)
Difficulty: 2 of 5Printer Problems (in General) Rating: 3.00
Posted on 2005-02-14 by Tristan (Solution Posted, 9 Comments)
Difficulty: 3 of 5Teetering on the Edge (in General) Rating: 4.00
Posted on 2005-02-04 by owl (Solution Posted, 8 Comments)
Difficulty: 4 of 5Permuting a Square (in General) Rating: 4.29
Posted on 2004-11-08 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 2 of 5Mowing (in General) Rating: 4.00
Posted on 2005-02-12 by Richard (Solution Posted, 7 Comments)
Difficulty: 3 of 52-way maze (in General) Rating: 4.00
Posted on 2004-11-01 by Tristan (Solution Posted, 21 Comments)
Difficulty: 2 of 5The test of the suits (in General) Rating: 2.50
Posted on 2005-06-07 by pcbouhid (Solution Posted, 16 Comments)
Difficulty: 2 of 5e^x (in General) Rating: 4.00
Posted on 2005-03-12 by Dustin (Solution Posted, 9 Comments)
Difficulty: 3 of 5Essay Final (in General) Rating: 3.10
Posted on 2005-04-08 by Tristan (Solution Posted, 51 Comments)
Difficulty: 2 of 5Spelling Card Trick (in General) Rating: 4.20
Posted on 2005-04-08 by Nosher (Solution Posted, 6 Comments)
Difficulty: 2 of 5drop it like it's hot! (in General) Rating: 4.00
Posted on 2005-04-20 by GOM (Solution Posted, 15 Comments)
Difficulty: 3 of 5String length differences (in General) Rating: 4.00
Posted on 2005-02-15 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Tackle These Three Tests (in General) Rating: 2.78
Posted on 2005-08-07 by Old Original Oskar! (Solution Posted, 9 Comments)
Difficulty: 2 of 5Pegless Painting Plummets! (in General) Rating: 4.00
Posted on 2005-03-29 by Old Original Oskar! (Solution Posted, 20 Comments)
Difficulty: 3 of 5Shining Segments Show Same Sum? (in General)
Posted on 2005-07-06 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 2 of 5Buggy problem (in General) Rating: 2.00
Posted on 2005-05-06 by nikki (Solution Posted, 7 Comments)
Difficulty: 5 of 5Four switches (in General) Rating: 3.43
Posted on 2005-05-09 by Tristan (Solution Posted, 37 Comments)
Difficulty: 3 of 5Six-Sided Snowflakes (in General) Rating: 2.33
Posted on 2005-05-16 by Dustin (Solution Posted, 7 Comments)
Difficulty: 2 of 5Two rights out of 24 wrongs (in General) Rating: 3.30
Posted on 2005-07-27 by e.g. (Solution Posted, 12 Comments)
Difficulty: 2 of 5Make a hole (in General) Rating: 3.40
Posted on 2005-10-02 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 1 of 5What do I save? (in General) Rating: 3.80
Posted on 2006-08-11 by e.g. (Solution Posted, 7 Comments)
Difficulty: 1 of 5Nine from Eleven (in General) Rating: 3.00
Posted on 2005-09-11 by Lisa (Solution Posted, 27 Comments)
Difficulty: 2 of 5An Income And Expenditure Problem (in General) Rating: 3.33
Posted on 2006-10-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sliding pennies #1 (in General) Rating: 2.50
Posted on 2005-05-31 by McWorter (Solution Posted, 16 Comments)
Difficulty: 3 of 5Sliding pennies #2 (in General) Rating: 3.00
Posted on 2005-06-06 by McWorter (Solution Posted, 16 Comments)
Difficulty: 2 of 5The 5 jugs (in General) Rating: 2.25
Posted on 2005-08-18 by pcbouhid (Solution Posted, 36 Comments)
Difficulty: 3 of 5Missionaries and Cannibals (in General) Rating: 3.00
Posted on 2005-05-29 by Damion warren (Solution Posted, 13 Comments)
Difficulty: 1 of 5What time is it again? (in General) Rating: 3.00
Posted on 2005-06-19 by Erik O. (Solution Posted, 8 Comments)
Difficulty: 1 of 5Close to a million (in General) Rating: 3.40
Posted on 2005-07-18 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 4 of 53 in a row = bad (in General) Rating: 4.50
Posted on 2006-04-26 by Jer (Solution Posted, 13 Comments)
Difficulty: 2 of 5The soccer tournament (in General) Rating: 2.33
Posted on 2005-07-26 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 3 of 5No Incest, Please (in General) Rating: 3.60
Posted on 2005-07-18 by Erik O. (No Solution Yet, 14 Comments)
Difficulty: 1 of 5Yeah, yeah, yeah -- aye? (in General) Rating: 2.50
Posted on 2005-06-29 by e.g. (Solution Posted, 8 Comments)
Difficulty: 3 of 5Circumferential distances (in General) Rating: 3.50
Posted on 2006-05-21 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Something in common (in General) Rating: 2.20
Posted on 2006-01-11 by Gamer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Crossing the board (in General) Rating: 3.80
Posted on 2005-09-30 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 2 of 5Twelve what?! (in General) Rating: 2.33
Posted on 2005-10-04 by pcbouhid (Solution Posted, 24 Comments)
Difficulty: 5 of 5Conference Time (in General) Rating: 4.00
Posted on 2005-12-09 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Connecting dots (in General) Rating: 1.50
Posted on 2005-08-14 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 2 of 5To qualify, or not to qualify (in General) Rating: 2.50
Posted on 2006-07-24 by e.g. (Solution Posted, 6 Comments)
Difficulty: 3 of 5Siblings Should Share Secret Safely (in General) Rating: 4.00
Posted on 2005-07-17 by Old Original Oskar! (Solution Posted, 19 Comments)
Difficulty: 3 of 5A Prime Time And Square Time Problem (in General) Rating: 3.67
Posted on 2006-03-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5A Time And Work Problem (in General) Rating: 3.67
Posted on 2006-06-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5A Fruity Kind of Problem (in General) Rating: 3.67
Posted on 2005-08-10 by Erik O. (Solution Posted, 16 Comments)
Difficulty: 1 of 5How Long 'til Morning? (in General) Rating: 2.50
Posted on 2005-08-09 by Erik O. (Solution Posted, 22 Comments)
Difficulty: 2 of 5Placing 20 pieces (in General) Rating: 2.00
Posted on 2006-01-14 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 2 of 5Square Time (in General) Rating: 3.00
Posted on 2005-10-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Skyscrapers (in General) Rating: 3.91
Posted on 2005-09-07 by Bryan (Solution Posted, 15 Comments)
Difficulty: 3 of 5Circular Jogging Track Problem (in General)
Posted on 2006-04-12 by Salil (Solution Posted, 11 Comments)
Difficulty: 1 of 5A tribute to Clarice (in General) Rating: 4.18
Posted on 2005-09-08 by pcbouhid (Solution Posted, 22 Comments)
Difficulty: 2 of 5Star of David (in General) Rating: 4.00
Posted on 2005-09-20 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 3 of 5A Permissible Weight Problem (in General)
Posted on 2006-05-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Poker People (in General) Rating: 4.67
Posted on 2006-04-27 by Gamer (Solution Posted, 7 Comments)
Difficulty: 1 of 5Needle in a Haystack (in General) Rating: 1.88
Posted on 2005-08-17 by Erik O. (Solution Posted, 13 Comments)
Difficulty: 5 of 5Conference Time: Generalised Case (in General) Rating: 3.00
Posted on 2006-01-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5A crowd in the courtyard (in General) Rating: 3.67
Posted on 2006-06-02 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 4 of 5Dinner and Dialogue (in General) Rating: 3.67
Posted on 2005-11-02 by Tristan (Solution Posted, 9 Comments)
Difficulty: 3 of 5Star Trek (in General) Rating: 3.60
Posted on 2005-09-23 by pcbouhid (Solution Posted, 27 Comments)
Difficulty: 1 of 5Super Pawn (in General) Rating: 2.00
Posted on 2006-04-07 by Wallace North (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Once upon a time . . . (in General) Rating: 1.67
Posted on 2006-04-11 by Wendy (Solution Posted, 8 Comments)
Difficulty: 3 of 5Who's on first? (in General) Rating: 3.67
Posted on 2005-10-15 by e.g. (Solution Posted, 6 Comments)
Difficulty: 2 of 5A Refuel Time Problem (in General) Rating: 4.33
Posted on 2006-12-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Twisted regions (in General) Rating: 4.50
Posted on 2005-12-22 by Tristan (Solution Posted, 9 Comments)
Difficulty: 2 of 5Tiptoe through Time (in General) Rating: 2.57
Posted on 2005-10-11 by Old Original Oskar! (Solution Posted, 8 Comments)
Difficulty: 3 of 5Play it again, Sam (in General) Rating: 4.38
Posted on 2006-01-06 by Gamer (No Solution Yet, 25 Comments)
Difficulty: 4 of 5Pick two numbers! (in General) Rating: 3.89
Posted on 2005-11-22 by e.g. (Solution Posted, 16 Comments)
Difficulty: 2 of 5A Clock Puzzle (in General) Rating: 3.33
Posted on 2006-07-01 by Joe (Solution Posted, 13 Comments)
Difficulty: 2 of 5Pieces in the box (in General) Rating: 4.33
Posted on 2005-10-26 by pcbouhid (Solution Posted, 16 Comments)
Difficulty: 3 of 5Unfilled grid (in General) Rating: 4.14
Posted on 2006-05-23 by Jer (Solution Posted, 7 Comments)
Difficulty: 5 of 5Domino arrangements (in General) Rating: 3.67
Posted on 2006-05-27 by Jer (Solution Posted, 8 Comments)
Difficulty: 3 of 53 grandfather clock problems (in General) Rating: 3.50
Posted on 2006-03-27 by Jer (No Solution Yet, 9 Comments)
Difficulty: 2 of 5What´s your score II? (in General) Rating: 4.00
Posted on 2005-10-31 by pcbouhid (Solution Posted, 26 Comments)
Difficulty: 2 of 5Remarkable man, remarkable truth (in General) Rating: 4.33
Posted on 2005-11-09 by pcbouhid (Solution Posted, 13 Comments)
Difficulty: 2 of 5Braille's Sequence (in General) Rating: 3.25
Posted on 2006-01-06 by tanx (Solution Posted, 5 Comments)
Difficulty: 3 of 5Circular Jogging Track Problem 2 (in General) Rating: 3.00
Posted on 2006-04-13 by Salil (Solution Posted, 8 Comments)
Difficulty: 3 of 5Mr. Ambrose And Mr. Bruford (in General) Rating: 1.50
Posted on 2006-03-26 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 1 of 5Vital Vegetal Vibes (in General) Rating: 2.75
Posted on 2006-08-07 by Old Original Oskar! (Solution Posted, 11 Comments)
Difficulty: 2 of 5Naughty Nimble Nines (in General) Rating: 3.25
Posted on 2006-05-30 by Old Original Oskar! (Solution Posted, 14 Comments)
Difficulty: 4 of 5Needed: Number Nineteen! (in General) Rating: 3.71
Posted on 2006-06-01 by Old Original Oskar! (Solution Posted, 13 Comments)
Difficulty: 3 of 5Walking down an escalator (in General) Rating: 3.33
Posted on 2006-03-29 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Lack of transport (in General) Rating: 3.75
Posted on 2006-03-31 by Jer (Solution Posted, 7 Comments)
Difficulty: 3 of 5Gravity experiment (in General) Rating: 4.33
Posted on 2006-05-04 by Tristan (Solution Posted, 29 Comments)
Difficulty: 3 of 54♣ 5♦ A♥ A♠  A♥ (in General) Rating: 3.25
Posted on 2006-03-15 by Dustin (Solution Posted, 16 Comments)
Difficulty: 3 of 5The George and Stella Saga (in General) Rating: 4.00
Posted on 2005-12-26 by Nosher (Solution Posted, 11 Comments)
Difficulty: 2 of 5Only 6´s and 9´s (in General) Rating: 3.40
Posted on 2005-11-14 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 2 of 5Reproduce this drawing (in General) Rating: 3.50
Posted on 2005-11-25 by pcbouhid (Solution Posted, 34 Comments)
Difficulty: 3 of 5Cubic Problem: Existence Of A Solution (in General) Rating: 3.00
Posted on 2005-12-28 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5A prime time at KP (in General) Rating: 5.00
Posted on 2006-05-31 by Dej Mar (Solution Posted, 4 Comments)
Difficulty: 2 of 5Match The Years (in General) Rating: 3.20
Posted on 2006-01-22 by K Sengupta (Solution Posted, 16 Comments)
Difficulty: 2 of 5Nine square pieces (in General) Rating: 3.00
Posted on 2005-12-11 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 4 of 5Arrange The Disks (in General) Rating: 3.67
Posted on 2006-07-04 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 3 of 5View from Perplexus Tower (in General) Rating: 4.00
Posted on 2006-04-27 by Tristan (Solution Posted, 9 Comments)
Difficulty: 2 of 5Binary Crossnumber Puzzle - 01 (in General) Rating: 4.00
Posted on 2005-11-03 by Erik O. (Solution Posted, 10 Comments)
Difficulty: 3 of 5Trading Places 2 (in General) Rating: 4.00
Posted on 2006-05-30 by Sir Percivale (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Simple distances (in General) Rating: 1.86
Posted on 2006-05-01 by Stephen (Solution Posted, 8 Comments)
Difficulty: 3 of 5Kalsdale To Lamsville (in General) Rating: 3.00
Posted on 2006-06-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Three Friends And Herbivores (in General) Rating: 4.00
Posted on 2006-04-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Squares in a cross (in General) Rating: 4.00
Posted on 2006-05-10 by Jer (Solution Posted, 6 Comments)
Difficulty: 2 of 5Trading Places (in General) Rating: 3.00
Posted on 2006-04-10 by Vernon Lewis (Solution Posted, 4 Comments)
Difficulty: 2 of 5RIP (in General) Rating: 2.00
Posted on 2006-04-13 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Connect the planets (in General) Rating: 4.25
Posted on 2005-11-16 by Tristan (Solution Posted, 10 Comments)
Difficulty: 2 of 5Double Dates (in General) Rating: 3.33
Posted on 2005-09-14 by Josh70679 (Solution Posted, 4 Comments)
Difficulty: 2 of 5ABCDEABCDE is one (in General) Rating: 4.50
Posted on 2006-05-17 by Jer (Solution Posted, 4 Comments)
Difficulty: 2 of 5All the months of the year (in General) Rating: 4.00
Posted on 2005-12-27 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5And the clock goes round. (in General) Rating: 4.33
Posted on 2005-10-17 by Hugo (Solution Posted, 1 Comments)
Difficulty: 3 of 5Teamwork:Pick and Shake (in General) Rating: 2.00
Posted on 2005-11-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Morse Code Puzzle (in General) Rating: 3.00
Posted on 2005-10-27 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 5 of 5Pegless Painting Plummets! (2) (in General) Rating: 4.00
Posted on 2006-06-02 by Tristan (Solution Posted, 7 Comments)
Difficulty: 2 of 5Tug of War (in General) Rating: 1.67
Posted on 2006-01-27 by Federico Kereki (Solution Posted, 12 Comments)
Difficulty: 2 of 5Mathematical Maze (in General) Rating: 4.00
Posted on 2006-02-28 by Joe (Solution Posted, 3 Comments)
Difficulty: 2 of 5Mutually disagreeing queens. (in General) Rating: 4.00
Posted on 2006-05-19 by Jer (No Solution Yet, 6 Comments)
Difficulty: 5 of 5Centrifugal Balance II (in General) Rating: 4.29
Posted on 2005-10-18 by Brian Smith (No Solution Yet, 30 Comments)
Difficulty: 2 of 5To the Airport (in General) Rating: 4.00
Posted on 2006-06-27 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Birthdaze (in General) Rating: 4.00
Posted on 2006-06-30 by Vernon Lewis (Solution Posted, 9 Comments)
Difficulty: 4 of 5Census of a Village (in General) Rating: 1.00
Posted on 2006-07-06 by (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Brother of Ages (in General) Rating: 3.00
Posted on 2006-07-03 by Rachael (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Another Time And Work Problem (in General) Rating: 4.50
Posted on 2006-09-14 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5When Is It Today? (in General) Rating: 4.00
Posted on 2006-07-11 by Richard (Solution Posted, 14 Comments)
Difficulty: 1 of 5Due on the 15th (in General) Rating: 3.00
Posted on 2006-08-02 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5A LPP Puzzle (in General) Rating: 3.00
Posted on 2006-12-11 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Time And Distance Problem (in General) Rating: 4.00
Posted on 2006-12-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5A Ration Problem (in General) Rating: 3.25
Posted on 2006-12-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Time And Distance Problem (II) (in General) Rating: 3.50
Posted on 2006-12-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Spelling Card Trick II (in General) Rating: 2.50
Posted on 2006-09-29 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Sesquipedalian & Three-Quarter Ranch (in General) Rating: 3.00
Posted on 2006-10-15 by Salil (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Knot me ! (in General) Rating: 3.50
Posted on 2006-10-22 by Salil (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Button puzzle (2) (in General) Rating: 4.50
Posted on 2006-10-27 by Tristan (Solution Posted, 11 Comments)
Difficulty: 2 of 5Button puzzle (in General) Rating: 4.00
Posted on 2006-10-13 by Tristan (Solution Posted, 7 Comments)
Difficulty: 3 of 5Maze in Crisis (in General) Rating: 4.40
Posted on 2006-10-30 by Gamer (Solution Posted, 9 Comments)
Difficulty: 2 of 5Connecting the Points (in General) Rating: 4.00
Posted on 2007-02-04 by Dennis (No Solution Yet, 8 Comments)
Difficulty: 2 of 5A Birthday Problem (in General) Rating: 2.50
Posted on 2007-02-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Search (in General) Rating: 4.25
Posted on 2006-12-21 by Dennis (Solution Posted, 5 Comments)
Difficulty: 3 of 5Arbitrary Adventures Analysis (in General) Rating: 4.00
Posted on 2006-11-20 by Old Original Oskar! (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Crash Course (in General) Rating: 4.14
Posted on 2006-12-01 by Gamer (No Solution Yet, 11 Comments)
Difficulty: 4 of 5Horoscope Hijinks I (in General) Rating: 3.00
Posted on 2006-11-28 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 2 of 5An Apples And Boxes Puzzle (in General) Rating: 3.00
Posted on 2007-02-20 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Horoscope Hijinks II (in General) Rating: 4.00
Posted on 2006-12-05 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 2 of 5Bouncy ladybugs (in General) Rating: 4.00
Posted on 2006-12-05 by JLo (Solution Posted, 6 Comments)
Difficulty: 3 of 5Mean Quest (in General) Rating: 4.00
Posted on 2006-12-10 by Dennis (Solution Posted, 15 Comments)
Difficulty: 3 of 5Component X (in General)
Posted on 2006-12-18 by Gamer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Row on Row (in General) Rating: 3.50
Posted on 2006-12-11 by Haruki (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Magic circle (in General)
Posted on 2006-12-16 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Box it up (in General) Rating: 4.20
Posted on 2006-12-26 by Gamer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5This Poem Is Much Too Deep For You (in General) Rating: 4.00
Posted on 2007-02-03 by Joe (Solution Posted, 6 Comments)
Difficulty: 2 of 5Powersdale To Quicksville (in General) Rating: 2.00
Posted on 2007-03-20 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Apples (in General) Rating: 4.67
Posted on 2007-03-15 by Assaf (Solution Posted, 10 Comments)
Difficulty: 2 of 5Letter Swap (in General) Rating: 5.00
Posted on 2007-01-19 by Vernon Lewis (Solution Posted, 9 Comments)
Difficulty: 2 of 5Difficulties with hotel rooms (in General) Rating: 4.00
Posted on 2007-01-25 by atheron (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Gathering Flowers (in General) Rating: 4.00
Posted on 2007-02-16 by Vernon Lewis (Solution Posted, 10 Comments)
Difficulty: 2 of 5Name this city (in General) Rating: 3.00
Posted on 2007-02-15 by Art M (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Get The Distance (in General) Rating: 5.00
Posted on 2007-05-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Magic trick (in General) Rating: 4.17
Posted on 2007-05-11 by atheron (No Solution Yet, 51 Comments)
Difficulty: 3 of 5Spies Like Us (in General) Rating: 3.50
Posted on 2007-07-30 by Gamer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mean, Median, and Mode (in General) Rating: 3.00
Posted on 2007-05-24 by Dennis (No Solution Yet, 5 Comments)
Difficulty: 2 of 5# Wrong = % Right (in General) Rating: 3.50
Posted on 2007-06-16 by Jer (Solution Posted, 6 Comments)
Difficulty: 2 of 5Quote Unquote (in General) Rating: 3.75
Posted on 2007-06-26 by Vernon Lewis (Solution Posted, 8 Comments)
Difficulty: 2 of 5sin(15)=sin(15) (in General) Rating: 3.33
Posted on 2007-06-25 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Greaterdoku (in General) Rating: 4.83
Posted on 2007-07-15 by Federico Kereki (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Winter Reigns (in General) Rating: 4.00
Posted on 2007-07-02 by John Reid (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Drop Down (in General) Rating: 4.67
Posted on 2007-07-29 by Josie Faulkner (Solution Posted, 6 Comments)
Difficulty: 2 of 5Laser Puzzle (in General) Rating: 4.00
Posted on 2007-10-22 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 4 of 5Laser Reconstruction: 7 targets and 3 mirrors (in General) Rating: 3.00
Posted on 2007-11-25 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Clockwork O'Range (in General) Rating: 2.00
Posted on 2007-11-16 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 3 of 5Laser Reconstruction: 6 targets, 5 mirrors (in General)
Posted on 2007-12-14 by brianjn (Solution Posted, 6 Comments)
Difficulty: 3 of 5Continental Pole of Inaccessibility (in General) Rating: 4.50
Posted on 2008-05-14 by Charlie (Solution Posted, 17 Comments)
Difficulty: 3 of 5Edge Numbered Cube (in General) Rating: 4.50
Posted on 2008-03-19 by Dennis (Solution Posted, 1 Comments)
Difficulty: 3 of 518 Queens (in General) Rating: 3.00
Posted on 2008-03-25 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 1 of 5Me, my grandfather!! (in General)
Posted on 2008-07-29 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Identify the cities (in General) Rating: 4.00
Posted on 2008-07-25 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 2 of 5Change O & X's Winner (in General) Rating: 3.00
Posted on 2008-07-22 by brianjn (Solution Posted, 5 Comments)
Difficulty: 1 of 5One Operation (in General) Rating: 5.00
Posted on 2008-08-03 by brianjn (Solution Posted, 4 Comments)
Difficulty: 2 of 5Crazy math? (in General) Rating: 2.50
Posted on 2008-10-10 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 59 balls, 10 straight lines (in General) Rating: 2.00
Posted on 2008-10-12 by pcbouhid (Solution Posted, 21 Comments)
Difficulty: 3 of 5The great tunnel switch (in General) Rating: 4.00
Posted on 2008-09-14 by Gamer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5DVR Alphabets (in General)
Posted on 2008-09-15 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Building a ruler (in General) Rating: 5.00
Posted on 2008-11-14 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 3 of 53 points in a line (in General)
Posted on 2008-11-06 by Daniel (Solution Posted, 4 Comments)
Difficulty: 2 of 5Succinct months (in General) Rating: 3.50
Posted on 2008-12-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 513 Down? 36 Across? (in General) Rating: 5.00
Posted on 2008-12-25 by rod hines (Solution Posted, 5 Comments)
Difficulty: 2 of 5Neat Network (in General) Rating: 4.00
Posted on 2009-01-24 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Grand Anticipation (in General) Rating: 4.67
Posted on 2008-12-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 55 x 5 Maze by 2s and 3s (in General) Rating: 4.00
Posted on 2009-03-22 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 52000 cards (in General)
Posted on 2009-01-04 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 2 of 5Fondu, anyone? (in General) Rating: 4.50
Posted on 2009-02-02 by Sing4TheDay (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Hare and Tortoise Rematch (in General)
Posted on 2009-03-26 by rod hines (Solution Posted, 16 Comments)
Difficulty: 4 of 5Hands On A Clock Part 2 (in General) Rating: 3.00
Posted on 2009-04-10 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Connecting dots (in General) Rating: 4.00
Posted on 2009-07-20 by pcbouhid (Solution Posted, 0 Comments)
Difficulty: 3 of 5XXXVIII (in General) Rating: 5.00
Posted on 2009-07-24 by Sing4TheDay (Solution Posted, 4 Comments)
Difficulty: 3 of 5Mensa Maze (in General) Rating: 3.00
Posted on 2009-10-07 by Charlie (Solution Posted, 22 Comments)
Difficulty: 1 of 5Sum Month and Day (in General) Rating: 1.00
Posted on 2010-01-14 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Gassed Up Racing (in General)
Posted on 2009-11-02 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5Rolling Die (in General) Rating: 5.00
Posted on 2009-11-19 by Charlie (Solution Posted, 7 Comments)
Difficulty: 1 of 512 chairs (in General)
Posted on 2010-09-14 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5ABCDishes (in General)
Posted on 2010-10-07 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5World Traveller (in General) Rating: 3.00
Posted on 2010-08-29 by Andre (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Equal Tangents (in General) Rating: 3.00
Posted on 2010-10-03 by Bractals (Solution Posted, 11 Comments)
Difficulty: 1 of 5Full Set of Calendars (in General) Rating: 3.00
Posted on 2010-09-17 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5A Song for the Season 3 (in General) Rating: 4.67
Posted on 2011-01-11 by Gamer (Solution Posted, 3 Comments)
Difficulty: 2 of 5Decimal Digits (in General)
Posted on 2014-09-02 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5My products (in General)
Posted on 2014-10-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 5 of 50 9357254 (in General) Rating: 5.00
Posted on 2011-04-29 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Voyage of the Mako (in General)
Posted on 2011-04-05 by broll (Solution Posted, 14 Comments)
Difficulty: 3 of 5Sum Month and Day II (in General)
Posted on 2011-09-20 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Garden (in General)
Posted on 2011-05-30 by Gamer (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Melting the ice (in General) Rating: 5.00
Posted on 2011-09-01 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 4 of 5Yosi will be 13 years old (in General) Rating: 5.00
Posted on 2011-07-04 by Ady TZIDON (Solution Posted, 11 Comments)
Difficulty: 3 of 5Broll's Royal Enigma (in General)
Posted on 2011-05-28 by broll (Solution Posted, 1 Comments)
Difficulty: 2 of 5Inflation or deflation? (in General) Rating: 5.00
Posted on 2011-07-25 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Get out of here... (in General) Rating: 5.00
Posted on 2011-08-05 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Maze in Crisis 2 (in General) Rating: 5.00
Posted on 2011-06-17 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5As easy as... ABC? ...123? (in General) Rating: 4.00
Posted on 2011-08-18 by Ady TZIDON (Solution Posted, 12 Comments)
Difficulty: 3 of 5Multiply Month and Day (in General)
Posted on 2011-11-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Only one basic solution II (in General) Rating: 3.00
Posted on 2014-09-26 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Year Yearn 2 (in General) Rating: 5.00
Posted on 2014-12-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Match 3 Game (in General)
Posted on 2015-01-02 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Why and when (in General) Rating: 5.00
Posted on 2014-10-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Known to you? (in General)
Posted on 2014-08-16 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Test #6 (in General)
Posted on 2014-09-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A Monotonous Menu (in General) Rating: 3.00
Posted on 2014-09-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Mnemonics (in General)
Posted on 2014-08-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Test #2 (in General) Rating: 3.00
Posted on 2014-08-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Test #4 (in General)
Posted on 2014-08-19 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Sense of Discovery (in General) Rating: 4.50
Posted on 2011-10-31 by Gamer (Solution Posted, 11 Comments)
Difficulty: 2 of 5The Scenic Route (in General)
Posted on 2011-09-15 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Avoid ambiguity (in General) Rating: 4.00
Posted on 2011-10-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5It is not that easy (in General) Rating: 3.67
Posted on 2012-01-01 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Odd One Out II (in General) Rating: 4.00
Posted on 2012-01-25 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Coincidental Days (in General)
Posted on 2012-02-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5The twelve(!) tribes(?) (in General) Rating: 5.00
Posted on 2014-07-20 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Go on, it is easy (in General)
Posted on 2014-07-05 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5PentaWord 1 (in General) Rating: 5.00
Posted on 2011-12-14 by brianjn (Solution Posted, 6 Comments)
Difficulty: 4 of 5Why did she do it? (in General) Rating: 5.00
Posted on 2012-04-19 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Crazy clues (in General)
Posted on 2014-08-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5No comments (in General) Rating: 4.50
Posted on 2012-04-12 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Succinct Sundays (in General)
Posted on 2012-07-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Boosted board (in General) Rating: 4.00
Posted on 2012-02-07 by Jer (Solution Posted, 11 Comments)
Difficulty: 3 of 5Set Theory (in General)
Posted on 2014-04-19 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Test #3 (in General) Rating: 4.00
Posted on 2014-08-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5No way to win (in General)
Posted on 2014-04-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Digital Time (in General) Rating: 5.00
Posted on 2014-09-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Scitemahpla (in General)
Posted on 2014-05-03 by Ady TZIDON (Solution Posted, 16 Comments)
Difficulty: 3 of 5Mathematician Muse (in General) Rating: 5.00
Posted on 2014-08-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5The first two hats (in General)
Posted on 2014-05-20 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 53 more hats (in General)
Posted on 2014-06-02 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 53 more hats II (in General)
Posted on 2014-06-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5GIPSY ROAD: (in General) Rating: 5.00
Posted on 2012-07-12 by Ady TZIDON (No Solution Yet, 20 Comments)
Difficulty: 3 of 5Return to Treasure Island (in General)
Posted on 2012-04-05 by broll (No Solution Yet, 14 Comments)
Difficulty: 2 of 5Wordates (in General) Rating: 5.00
Posted on 2012-09-03 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 562 - 63 (in General) Rating: 3.00
Posted on 2012-09-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Analogous Days (in General)
Posted on 2012-10-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Wasteland (in General)
Posted on 2012-07-11 by brianjn (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Crossnumber IV (in General) Rating: 1.50
Posted on 2014-08-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Date Disclosure (in General) Rating: 5.00
Posted on 2014-07-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Club Encounter (in General) Rating: 3.00
Posted on 2012-11-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5A silly opinion (in General)
Posted on 2012-09-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Squares in a Triangle (in General)
Posted on 2012-08-01 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5Triangles in a Triangle (in General)
Posted on 2012-08-09 by brianjn (Solution Posted, 3 Comments)
Difficulty: 4 of 5by L. Euler (in General) Rating: 4.33
Posted on 2012-09-08 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Four Four-letter words (in General)
Posted on 2012-10-03 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Bard as a source (in General)
Posted on 2012-11-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 53402 02 N1 509 873 (in General) Rating: 5.00
Posted on 2012-11-23 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5One digit is missing (in General) Rating: 5.00
Posted on 2012-12-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5QWERTY Quiz (in General)
Posted on 2012-11-12 by Math Man (Solution Posted, 2 Comments)
Difficulty: 3 of 5Missing digit (in General) Rating: 3.33
Posted on 2012-11-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Group Endeavor (in General) Rating: 1.50
Posted on 2013-01-29 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Cell Choices (in General) Rating: 5.00
Posted on 2013-03-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Neat Network II (in General)
Posted on 2013-04-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Non-arithmetic Triplets (in General) Rating: 5.00
Posted on 2013-04-08 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Toast Schedule (in General) Rating: 2.25
Posted on 2013-05-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5High Scorer (in General)
Posted on 2013-05-21 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Mice Supplements (in General) Rating: 5.00
Posted on 2013-05-22 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Crossnumber II (in General) Rating: 4.00
Posted on 2013-05-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Introductions all around (in General) Rating: 3.00
Posted on 2013-06-14 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Sliding Coin puzzle (in General) Rating: 3.50
Posted on 2013-06-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Odd Men Out (in General)
Posted on 2012-12-30 by broll (No Solution Yet, 7 Comments)
Difficulty: 4 of 5From proverbs to alphametics (in General)
Posted on 2013-02-15 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Hound Path (in General) Rating: 3.00
Posted on 2013-06-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Hidden Number Guess (in General) Rating: 5.00
Posted on 2013-07-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5AMY and ANN (in General) Rating: 4.00
Posted on 2013-07-26 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Ten items to classify (in General) Rating: 5.00
Posted on 2013-03-27 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Crossnumber III (in General)
Posted on 2013-08-29 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Overheard in a London eatery's kitchen (in General) Rating: 3.67
Posted on 2013-04-19 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Penny Parity (in General) Rating: 3.00
Posted on 2013-07-18 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Tread Ware (in General) Rating: 2.50
Posted on 2013-08-20 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5The famous card players (in General)
Posted on 2014-03-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A coded phrase (in General)
Posted on 2014-03-24 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5I loved (in General) Rating: 4.00
Posted on 2013-06-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Odd Men Continued (in General) Rating: 3.00
Posted on 2013-09-02 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Dominoes and checkerboard (in General)
Posted on 2013-07-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Au vs Pb (in General)
Posted on 2013-08-01 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5First Floobles Factorization (in General) Rating: 4.00
Posted on 2013-10-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Detective Deduction (in General) Rating: 5.00
Posted on 2014-02-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Geo-alphametic (in General) Rating: 3.00
Posted on 2013-10-16 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Faulty Card Shuffler (in General) Rating: 4.00
Posted on 2013-07-24 by Charlie (Solution Posted, 10 Comments)
Difficulty: 3 of 55*90 90 5*6 1605 2##6X (in General) Rating: 4.33
Posted on 2013-11-07 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Capital City Conclusion (in General) Rating: 3.00
Posted on 2014-03-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Slow Cows (in General) Rating: 4.00
Posted on 2013-10-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5The unhappy end(= 58623L* ) (in General) Rating: 4.50
Posted on 2013-12-13 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Equal sums on a circle (in General) Rating: 3.00
Posted on 2013-11-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Hidden Animals (in General) Rating: 2.00
Posted on 2013-12-24 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A missing proverb (in General) Rating: 3.00
Posted on 2014-01-09 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5U * I = $$$ (in General) Rating: 3.00
Posted on 2014-01-14 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Do you like mushrooms? (in General) Rating: 3.00
Posted on 2014-02-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Created after midnight (in General) Rating: 3.00
Posted on 2014-01-20 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5An economic reality (in General) Rating: 3.00
Posted on 2014-01-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5A Tetrahedron (in General) Rating: 3.00
Posted on 2014-01-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Singer Settlement II (in General)
Posted on 2014-04-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Harmless? (in General)
Posted on 2014-03-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cards In A Circle (in General) Rating: 3.00
Posted on 2014-02-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Antonym Ascertainment II (in General) Rating: 5.00
Posted on 2014-05-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Year Yearn (in General)
Posted on 2014-05-23 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Riding the time machine (in General)
Posted on 2014-02-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Date Count Conclusion (in General)
Posted on 2015-01-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Values Derivation (in General) Rating: 5.00
Posted on 2015-02-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Date Deduction II (in General) Rating: 5.00
Posted on 2015-02-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Well said (in General)
Posted on 2014-11-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Extraordinaire (in General) Rating: 2.33
Posted on 2014-11-25 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5What not? (in General)
Posted on 2014-12-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cash and chit (in General)
Posted on 2014-12-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 5 of 5Spacy Colors II (in General)
Posted on 2014-10-26 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Famous movie quotations (in General) Rating: 3.00
Posted on 2015-04-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Very very colourful (in General)
Posted on 2015-02-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reverse Sudoku (in General)
Posted on 2015-01-12 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Date Count Conclusion II (in General) Rating: 5.00
Posted on 2015-08-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Chinese New Year (in General)
Posted on 2015-01-16 by broll (Solution Posted, 8 Comments)
Difficulty: 3 of 5The Case of the Mixtup Calendar (in General) Rating: 4.00
Posted on 2015-04-02 by broll (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle to Triangle (in General)
Posted on 2015-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5XX=? (in General)
Posted on 2015-04-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 51270 *899 (in General)
Posted on 2015-06-02 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 1 of 5So what? (in General)
Posted on 2015-04-13 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Three's a company (in General)
Posted on 2015-04-23 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Geographic entities (in General) Rating: 3.00
Posted on 2015-04-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5It sounds Greek to me (in General) Rating: 5.00
Posted on 2015-06-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 57G vs 7B (in General)
Posted on 2015-05-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Just vowels (in General)
Posted on 2015-05-29 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 4 of 5Just give it a trial (in General) Rating: 3.00
Posted on 2015-06-26 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5A radical question (in General)
Posted on 2015-07-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Logical, or not? (in General) Rating: 3.00
Posted on 2015-06-01 by broll (Solution Posted, 4 Comments)
Difficulty: 2 of 58 (or more) states (in General)
Posted on 2015-07-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5My travel II.....CIAO! (in General)
Posted on 2015-07-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Visit USA (in General)
Posted on 2015-08-20 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5British wit (in General)
Posted on 2015-08-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Six countries (in General) Rating: 3.00
Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5One-liners (in General)
Posted on 2015-09-09 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Hexakosioihexekontahexaphobia (in General)
Posted on 2015-09-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Families (in General) Rating: 3.00
Posted on 2015-09-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Wise saw (in General)
Posted on 2015-11-10 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Hold your horses (in General) Rating: 5.00
Posted on 2015-12-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Miles to Kilometers (in General) Rating: 5.00
Posted on 2016-02-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Watching the Watch (in General) Rating: 4.33
Posted on 2016-04-08 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Who said it? (in General)
Posted on 2015-12-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Peaceful superqueens (in General)
Posted on 2015-12-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Test #10 (in General)
Posted on 2016-01-07 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 570 6570 (in General) Rating: 4.00
Posted on 2016-01-14 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Counting Ten Segment Paths (in General)
Posted on 2016-02-19 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 4 of 5A scrabblematic problem (in General)
Posted on 2016-03-25 by Ady TZIDON (Solution Posted, 15 Comments)
Difficulty: 3 of 5Asteroid walk (in General)
Posted on 2016-04-19 by broll (Solution Posted, 8 Comments)
Difficulty: 3 of 5Year from Ratio (in General) Rating: 5.00
Posted on 2016-08-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Draw a Line to Partition the Grid (in General)
Posted on 2016-04-25 by Brian Smith (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Capital City Conclusion 3 (in General) Rating: 4.00
Posted on 2016-09-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Puzzle Calendar (in General)
Posted on 2016-05-09 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Laugh, USA (in General)
Posted on 2016-05-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Weight Limited Bridge (in General)
Posted on 2016-08-01 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Bananas travel (in General)
Posted on 2016-08-19 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 5Don't be confused (in General)
Posted on 2016-11-14 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5No data - just a weighing problem (in General) Rating: 5.00
Posted on 2016-09-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Carfax (in General)
Posted on 2016-09-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5777-111 (in General)
Posted on 2017-01-19 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5No crossing (in General)
Posted on 2017-02-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Italian, English, and both (in General) Rating: 4.00
Posted on 2017-02-22 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Four Random People on a Bridge (in General)
Posted on 2017-04-14 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 4 of 5What is the value of "?" ? (in General)
Posted on 2017-04-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Peace, no war (in General)
Posted on 2017-11-30 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Question and answer (in General) Rating: 4.67
Posted on 2017-06-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Driven by greed (in General)
Posted on 2017-04-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Forward and Backward Word Values (in General) Rating: 4.50
Posted on 2017-02-07 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Love story (in General)
Posted on 2017-06-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Add another line (in General)
Posted on 2017-06-10 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Words and hints (in General) Rating: 5.00
Posted on 2017-06-27 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Q & A (in General)
Posted on 2017-07-20 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Just name the date (in General)
Posted on 2017-12-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Reverse Engineering (in General)
Posted on 2017-09-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5In Europe (in General)
Posted on 2017-10-04 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Alfey revava ... (in General)
Posted on 2017-10-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5From words to equations (in General)
Posted on 2017-11-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5No comments (in General)
Posted on 2017-11-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A pint, please. (in General)
Posted on 2017-08-20 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Avoiding lattice midpoints (in General) Rating: 5.00
Posted on 2017-08-27 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A state of a State (in General)
Posted on 2018-02-19 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5East Pole, West Pole. (in General)
Posted on 2017-12-19 by broll (No Solution Yet, 2 Comments)
Difficulty: 3 of 5SI O NO ? (in General) Rating: 3.00
Posted on 2018-05-19 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Define number n in n letters (in General)
Posted on 2018-06-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5An Irrational Demand (in General)
Posted on 2018-07-17 by Steven Lord (Solution Posted, 8 Comments)
Difficulty: 3 of 5Pairing sizes (in General)
Posted on 2018-07-25 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Lost in Translation (in General) Rating: 3.00
Posted on 2018-07-31 by broll (Solution Posted, 9 Comments)
Difficulty: 2 of 5It is either O or E (in General) Rating: 2.00
Posted on 2018-09-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Where's Bob? (in General) Rating: 4.67
Posted on 2018-05-01 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5XFL (in General)
Posted on 2018-04-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5True or not (in General)
Posted on 2018-09-25 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Another True Story (in General)
Posted on 2018-05-22 by broll (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Rectangles (in General)
Posted on 2018-07-03 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5Garden Path (in General)
Posted on 2018-07-16 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5The source of two terms (in General)
Posted on 2019-01-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Art Image (in General) Rating: 2.33
Posted on 2019-01-25 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Limited reflections (in General)
Posted on 2019-02-19 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5What's the calculator doing? (in General)
Posted on 2019-03-06 by Jer (No Solution Yet, 4 Comments)
Difficulty: 1 of 5The Real Product (in General)
Posted on 2019-06-11 by Danish Ahmed Khan (No Solution Yet, 12 Comments)
Difficulty: 1 of 5Walking and Running (in General) Rating: 4.00
Posted on 2019-02-12 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5One puzzle, three hints (in General)
Posted on 2019-07-13 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5The Midpoint Locus (in General) Rating: 5.00
Posted on 2019-10-11 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Interval Guessing (in General) Rating: 5.00
Posted on 2019-10-21 by Brian Smith (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Letters (in General) Rating: 5.00
Posted on 2019-11-11 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Elections in Graphistan (in General) Rating: 3.50
Posted on 2020-02-14 by JLo (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Certain old trade (in General) Rating: 3.00
Posted on 2020-01-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5The Smashing Pumpkins (in General) Rating: 1.00
Posted on 2020-01-31 by JLo (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Define my profile (in General) Rating: 4.00
Posted on 2020-04-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5What time is it now? (in General)
Posted on 2020-03-09 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Word word (in General) Rating: 4.33
Posted on 2020-06-05 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5A coded text (in General)
Posted on 2020-06-26 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Close neighbor (in General) Rating: 3.00
Posted on 2020-09-14 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Pentagon rays (in General)
Posted on 2020-10-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 51 2 4 8 (in General) Rating: 5.00
Posted on 2021-01-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rubik's Swap (in General) Rating: 4.00
Posted on 2021-06-01 by tomarken (No Solution Yet, 9 Comments)
Difficulty: 4 of 5The incompatible food triad (in General)
Posted on 2021-04-27 by Ady TZIDON (No Solution Yet, 17 Comments)
Difficulty: 3 of 5Don't walk! (in General) Rating: 4.33
Posted on 2021-03-24 by Ady TZIDON (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Only in USA (in General) Rating: 5.00
Posted on 2021-03-29 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5quadratic ^ quadratic (in General) Rating: 4.00
Posted on 2021-04-06 by Larry (Solution Posted, 5 Comments)
Difficulty: 3 of 5Bouncing Bishops (in General) Rating: 3.00
Posted on 2021-04-15 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5SOD revealed (in General) Rating: 5.00
Posted on 2021-08-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pax vobiscum (in General) Rating: 5.00
Posted on 2021-11-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5I am 521634352 (in General) Rating: 3.00
Posted on 2021-11-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Pentagonal Time (in General)
Posted on 2022-01-30 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Laics prove (in General)
Posted on 2021-12-10 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Villes Et Etats Des Etats-Unis (in General) Rating: 5.00
Posted on 2022-03-05 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Capital City Conclusion 4 (in General) Rating: 4.00
Posted on 2022-03-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Singer Surmise (in General) Rating: 5.00
Posted on 2022-03-31 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 5 of 5Text to math to text (in General) Rating: 4.33
Posted on 2021-12-11 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Trading Places 2 (in General) Rating: 5.00
Posted on 2022-11-16 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Add a Z-word (in General) Rating: 4.00
Posted on 2021-12-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Matchstick Movement Muse (in General) Rating: 5.00
Posted on 2022-06-21 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5 Rigid Conventional Propriety (in General) Rating: 5.00
Posted on 2022-06-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Six People on Three Bridges (in General) Rating: 5.00
Posted on 2022-09-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Binary Crossnumber Puzzle - 02 (in General) Rating: 5.00
Posted on 2022-08-30 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Optimal Motorbike Travel Option (in General) Rating: 4.00
Posted on 2022-12-27 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Prosecutor Fallacy Poser (in General) Rating: 4.00
Posted on 2022-09-10 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Sliding Puzzle II (in General) Rating: 5.00
Posted on 2022-09-28 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Singer Surmise II (in General) Rating: 5.00
Posted on 2022-10-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sliding Puzzle III (in General) Rating: 5.00
Posted on 2022-10-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Lights Out! (2) (in General) Rating: 5.00
Posted on 2022-10-31 by K Sengupta (Solution Posted, 24 Comments)
Difficulty: 3 of 5Moving Quarters II (in General) Rating: 5.00
Posted on 2022-11-02 by K Sengupta (No Solution Yet, 13 Comments)
Difficulty: 3 of 5A Kiss solution (in General) Rating: 3.50
Posted on 2022-04-04 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5100 Lights and 100 Switches (in General) Rating: 5.00
Posted on 2022-11-28 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Sliding pennies #3 (in General) Rating: 5.00
Posted on 2023-06-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Acronyms galore (in General) Rating: 4.00
Posted on 2022-07-26 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Spellements (in General)
Posted on 2022-07-09 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Spellements 2 (in General) Rating: 4.00
Posted on 2022-07-15 by Larry (No Solution Yet, 13 Comments)
Difficulty: 3 of 5World Series Gamble Settlement (in General) Rating: 4.00
Posted on 2023-03-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Eight Buttons (in General) Rating: 5.00
Posted on 2023-03-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5And the clock goes round 2 (in General) Rating: 4.00
Posted on 2023-04-28 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 52001 Coin Crossed 1-2-3 Value Conclusion (in General) Rating: 3.00
Posted on 2023-05-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5The Railway Station Clock (in General) Rating: 5.00
Posted on 2023-05-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sliding pennies #4 (in General)
Posted on 2023-06-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A running theme. (in General)
Posted on 2022-11-21 by broll (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Scrap Merchant Travel Settlement (in General) Rating: 5.00
Posted on 2023-08-06 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5What is the Time? (in General) Rating: 3.50
Posted on 2023-09-12 by K Sengupta (Solution Posted, 16 Comments)
Difficulty: 3 of 5Beefs and Sausages (in General) Rating: 5.00
Posted on 2023-08-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Make Sense (in General)
Posted on 2023-02-05 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 1 of 5Clock Time Consideration (in General) Rating: 5.00
Posted on 2023-09-10 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5It is not 49 (in General) Rating: 4.00
Posted on 2023-08-26 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Swamp Length From Computed Angles (in General) Rating: 3.00
Posted on 2023-10-13 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 51000 point star (in General) Rating: 5.00
Posted on 2023-10-25 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Front and Back Crossed Length of the Train (in General) Rating: 5.00
Posted on 2023-11-09 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5What happens next? (in General)
Posted on 2023-04-17 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 4 of 52023 (in General)
Posted on 2023-04-22 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Lighthouse Crossed Three Lights Muse (in General) Rating: 4.00
Posted on 2023-11-17 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Letter Equation Surmise (in General) Rating: 5.00
Posted on 2023-11-28 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5200 Candies (in General) Rating: 5.00
Posted on 2023-12-12 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Old Foskins (in General)
Posted on 2023-12-14 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Measures of Distance (in General)
Posted on 2024-07-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Two Candles (in General) Rating: 5.00
Posted on 2024-01-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Unsolved (so far) problem (in General)
Posted on 2023-05-31 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Chain (in General) Rating: 5.00
Posted on 2024-01-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Alphabetic Order (in General)
Posted on 2024-01-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Bowling (in General) Rating: 5.00
Posted on 2024-01-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Six Villages Crossed Marriage Dates (in General) Rating: 5.00
Posted on 2024-02-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Second Visit (in General) Rating: 5.00
Posted on 2024-03-13 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Hitter's Duel (in General) Rating: 5.00
Posted on 2024-03-16 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Election (in General) Rating: 5.00
Posted on 2024-03-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sitting on the Fence (in General) Rating: 5.00
Posted on 2024-03-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Plug (in General) Rating: 5.00
Posted on 2024-03-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cables (in General) Rating: 5.00
Posted on 2024-03-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Best-Of-Five (in General) Rating: 5.00
Posted on 2024-03-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Find the matching word (in General)
Posted on 2023-07-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle at a square corner (in General)
Posted on 2023-09-02 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 549 Cups (in General) Rating: 5.00
Posted on 2024-05-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Missile Platforms (in General)
Posted on 2024-06-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Computer Run (in General)
Posted on 2024-06-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Introducing Nova numbers (in General) Rating: 1.00
Posted on 2023-10-06 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Random Point Within a Regular Pentagon (in General) Rating: 5.00
Posted on 2024-06-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Thirsty Farmer 2 (in General) Rating: 5.00
Posted on 2024-06-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Huggy Bear (in General)
Posted on 2024-06-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Those were the days, my friend (in General) Rating: 5.00
Posted on 2023-11-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Lighthouse Crossed Three Lights Mashup (in General)
Posted on 2023-11-27 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Polygonal House (in General)
Posted on 2024-07-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Missing Initial (in General)
Posted on 2024-08-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Price estimation (in General) Rating: 3.00
Posted on 2023-12-24 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Nine Tangled Wires (in General)
Posted on 2024-08-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Steve's Tennis Tournament (in General) Rating: 5.00
Posted on 2024-09-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Who, what, where? (in General)
Posted on 2024-07-24 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Almost a square (in General)
Posted on 2024-08-06 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Circle of Life? (in General)
Posted on 2024-09-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Geography and Calendar (in General)
Posted on 2024-10-25 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Backwards Clock (in General)
Posted on 2024-10-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Solve the Following Equation (in General)
Posted on 2024-10-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5King-Queen-Jack (in General)
Posted on 2024-11-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle Trilateration (in General)
Posted on 2024-11-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Move the 2 - double the number (in Numbers) Rating: 4.11
Posted on 2002-04-19 by levik (Solution Posted, 10 Comments)
Difficulty: 4 of 5Changing Chameleons (in Numbers) Rating: 4.13
Posted on 2002-04-19 by levik (Solution Posted, 8 Comments)
Difficulty: 3 of 5How many pages? (in Numbers) Rating: 3.00
Posted on 2002-04-21 by levik (Solution Posted, 9 Comments)
Difficulty: 2 of 5Division by three (in Numbers) Rating: 1.83
Posted on 2002-04-24 by levik (Solution Posted, 22 Comments)
Difficulty: 3 of 5Erasing digits (in Numbers) Rating: 2.91
Posted on 2002-04-27 by levik (Solution Posted, 10 Comments)
Difficulty: 2 of 52001 digits (in Numbers) Rating: 4.33
Posted on 2002-04-29 by levik (Solution Posted, 9 Comments)
Difficulty: 3 of 5Class act (in Numbers) Rating: 3.64
Posted on 2002-05-02 by theBal (Solution Posted, 16 Comments)
Difficulty: 2 of 5Cows (in Numbers) Rating: 3.22
Posted on 2002-05-06 by charl (Solution Posted, 10 Comments)
Difficulty: 2 of 5Fat Cats (in Numbers) Rating: 2.43
Posted on 2002-05-14 by levik (Solution Posted, 20 Comments)
Difficulty: 4 of 5Tom's address (in Numbers) Rating: 4.29
Posted on 2002-05-30 by Half-Mad (Solution Posted, 9 Comments)
Difficulty: 3 of 5Make the most of these digits (in Numbers) Rating: 4.43
Posted on 2002-06-06 by Rhonda Wendel (Solution Posted, 49 Comments)
Difficulty: 3 of 5Digits 1-9 (in Numbers) Rating: 3.14
Posted on 2002-06-05 by Rhonda Wendel (Solution Posted, 13 Comments)
Difficulty: 2 of 5100 Herbivores (in Numbers) Rating: 2.55
Posted on 2002-06-10 by vohonam (Solution Posted, 9 Comments)
Difficulty: 2 of 5The Tennis Tournament (in Numbers) Rating: 2.14
Posted on 2002-06-13 by TomM (Solution Posted, 6 Comments)
Difficulty: 4 of 5The Dating Game (in Numbers) Rating: 4.29
Posted on 2002-06-14 by Happy (Solution Posted, 21 Comments)
Difficulty: 1 of 5Amoebas! (in Numbers) Rating: 3.30
Posted on 2002-06-20 by carlina (Solution Posted, 13 Comments)
Difficulty: 2 of 5What's your age Granny? (in Numbers) Rating: 2.60
Posted on 2002-06-25 by Dulanjana (Solution Posted, 9 Comments)
Difficulty: 3 of 5Matchstick Frenzy (in Numbers) Rating: 3.77
Posted on 2002-06-27 by Dulanjana (Solution Posted, 6 Comments)
Difficulty: 1 of 5Number favorites (in Numbers) Rating: 1.90
Posted on 2002-07-03 by qball (Solution Posted, 8 Comments)
Difficulty: 4 of 5Addition (in Numbers) Rating: 3.29
Posted on 2002-07-08 by Dulanjana (Solution Posted, 5 Comments)
Difficulty: 3 of 5Self-Descriptor (in Numbers) Rating: 3.88
Posted on 2002-07-10 by levik (Solution Posted, 14 Comments)
Difficulty: 4 of 5Three Fractions (in Numbers) Rating: 4.38
Posted on 2002-07-23 by Happy (Solution Posted, 7 Comments)
Difficulty: 3 of 5More chameleons (in Numbers) Rating: 3.50
Posted on 2002-07-30 by Cheradenine (Solution Posted, 27 Comments)
Difficulty: 3 of 5Zero to a Hundred in 1996 (in Numbers) Rating: 3.40
Posted on 2002-08-15 by levik (Solution Posted, 27 Comments)
Difficulty: 4 of 5Prime Pairs (in Numbers) Rating: 3.36
Posted on 2002-09-01 by levik (Solution Posted, 8 Comments)
Difficulty: 3 of 5Climbing the stairs (in Numbers) Rating: 3.33
Posted on 2002-09-05 by levik (Solution Posted, 24 Comments)
Difficulty: 3 of 5Men of Smallvile (in Numbers) Rating: 3.00
Posted on 2002-09-12 by levik (Solution Posted, 5 Comments)
Difficulty: 3 of 5Egg drop (in Numbers) Rating: 3.88
Posted on 2002-10-01 by levik (Solution Posted, 15 Comments)
Difficulty: 2 of 5Square of an Odd (in Numbers) Rating: 3.13
Posted on 2002-10-06 by martyn (Solution Posted, 21 Comments)
Difficulty: 2 of 5Stopping for lunch (in Numbers) Rating: 3.73
Posted on 2002-10-02 by TomM (Solution Posted, 6 Comments)
Difficulty: 3 of 5Mmm... nuggets. (in Numbers) Rating: 4.00
Posted on 2002-10-10 by Happy (Solution Posted, 6 Comments)
Difficulty: 4 of 5Two numbers (in Numbers) Rating: 3.80
Posted on 2002-10-15 by Happy (Solution Posted, 13 Comments)
Difficulty: 3 of 5Self-Descriptor part 2 (in Numbers) Rating: 3.33
Posted on 2002-10-11 by Happy (Solution Posted, 8 Comments)
Difficulty: 4 of 5Niners (in Numbers) Rating: 4.25
Posted on 2002-10-23 by levik (Solution Posted, 15 Comments)
Difficulty: 3 of 5Princeton's Prime Problem (in Numbers) Rating: 3.73
Posted on 2002-11-18 by Raveen (Solution Posted, 9 Comments)
Difficulty: 3 of 5Equation drawing (in Numbers) Rating: 3.18
Posted on 2002-11-10 by Raveen (Solution Posted, 12 Comments)
Difficulty: 1 of 5Jack and George's number trick (in Numbers) Rating: 2.07
Posted on 2002-11-28 by Raveen (Solution Posted, 11 Comments)
Difficulty: 4 of 5Zero to 150 in 2003 (in Numbers) Rating: 4.05
Posted on 2002-11-29 by Raveen (Solution Posted, 65 Comments)
Difficulty: 2 of 5Prime Time (in Numbers) Rating: 3.15
Posted on 2002-12-17 by cges (Solution Posted, 10 Comments)
Difficulty: 2 of 5Lockers (in Numbers) Rating: 3.00
Posted on 2002-12-06 by Erin (Solution Posted, 11 Comments)
Difficulty: 5 of 5Pi problem (in Numbers) Rating: 3.00
Posted on 2002-12-11 by Dulanjana (Solution Posted, 14 Comments)
Difficulty: 3 of 52 Letters (in Numbers) Rating: 3.83
Posted on 2002-12-15 by cges (Solution Posted, 5 Comments)
Difficulty: 4 of 5Unconventional Question (in Numbers) Rating: 3.12
Posted on 2002-12-13 by cges (Solution Posted, 9 Comments)
Difficulty: 2 of 5subtractiOn (in Numbers) Rating: 3.40
Posted on 2002-12-19 by cges (Solution Posted, 7 Comments)
Difficulty: 3 of 5Adjacent numbers (in Numbers) Rating: 3.11
Posted on 2003-01-09 by levik (Solution Posted, 10 Comments)
Difficulty: 3 of 5An arrangement of 15 (in Numbers) Rating: 4.29
Posted on 2003-01-15 by levik (Solution Posted, 13 Comments)
Difficulty: 2 of 5License Number (in Numbers) Rating: 2.29
Posted on 2003-01-31 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 3 of 5Plus and Minus (in Numbers) Rating: 2.50
Posted on 2003-02-05 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Remainder (in Numbers) Rating: 3.88
Posted on 2003-03-01 by Anoop (Solution Posted, 17 Comments)
Difficulty: 3 of 5Composite numbers (in Numbers) Rating: 3.71
Posted on 2003-03-05 by Anoop (Solution Posted, 23 Comments)
Difficulty: 4 of 5Squares Probability (in Numbers) Rating: 3.70
Posted on 2003-06-19 by Gamer (Solution Posted, 13 Comments)
Difficulty: 2 of 5Dancing (in Numbers) Rating: 4.33
Posted on 2003-02-16 by Alan (Solution Posted, 6 Comments)
Difficulty: 3 of 5Fruity math (in Numbers) Rating: 3.38
Posted on 2003-02-17 by joshua imperato (Solution Posted, 15 Comments)
Difficulty: 3 of 5Counting digits (in Numbers) Rating: 3.88
Posted on 2003-02-20 by Anoop (Solution Posted, 24 Comments)
Difficulty: 3 of 5Sum Rotation (in Numbers) Rating: 3.25
Posted on 2004-05-11 by Gamer (No Solution Yet, 17 Comments)
Difficulty: 2 of 5Too Old For Grandma (in Numbers) Rating: 2.50
Posted on 2003-02-28 by Ravi Raja (Solution Posted, 16 Comments)
Difficulty: 3 of 5Age Difference (in Numbers) Rating: 3.56
Posted on 2003-03-02 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Bus Number (in Numbers) Rating: 2.70
Posted on 2003-03-04 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 2 of 5Counting Stamps (in Numbers) Rating: 2.82
Posted on 2003-03-06 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 3 of 5Tetra-productial numbers (in Numbers) Rating: 2.25
Posted on 2003-05-13 by Fernando (Solution Posted, 7 Comments)
Difficulty: 3 of 510001, 100010001, .... (in Numbers) Rating: 3.33
Posted on 2003-05-23 by Fernando (Solution Posted, 12 Comments)
Difficulty: 3 of 5Ascending numbers! (in Numbers) Rating: 3.00
Posted on 2003-05-25 by Fernando (Solution Posted, 5 Comments)
Difficulty: 4 of 5Father And Grandfather (in Numbers) Rating: 4.00
Posted on 2003-04-02 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 2 of 5Zeros And Ones (in Numbers) Rating: 3.00
Posted on 2003-04-08 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 4 of 5Zero - The Hero (in Numbers) Rating: 2.50
Posted on 2003-04-09 by Ravi Raja (Solution Posted, 16 Comments)
Difficulty: 4 of 5Four-Digit Number (in Numbers) Rating: 3.17
Posted on 2003-04-26 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 57-11 (in Numbers) Rating: 3.78
Posted on 2003-07-11 by luvya (Solution Posted, 14 Comments)
Difficulty: 3 of 5Ten-Digit Numbers (in Numbers) Rating: 3.33
Posted on 2003-05-27 by Ravi Raja (Solution Posted, 4 Comments)
Difficulty: 3 of 5Mental Arithmetic (in Numbers) Rating: 3.33
Posted on 2003-10-05 by nellie (Solution Posted, 21 Comments)
Difficulty: 4 of 5Another Square Sequence (in Numbers) Rating: 2.33
Posted on 2003-12-23 by Gamer (Solution Posted, 6 Comments)
Difficulty: 2 of 5What Happened ? (in Numbers) Rating: 1.17
Posted on 2003-09-23 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 3 of 5Check Mate (in Numbers) Rating: 4.00
Posted on 2003-10-06 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5A question of primes (in Numbers) Rating: 2.86
Posted on 2005-06-08 by pcbouhid (Solution Posted, 13 Comments)
Difficulty: 3 of 5What is the next number? (in Numbers) Rating: 1.25
Posted on 2005-02-20 by Swastika Shrivastava (Solution Posted, 12 Comments)
Difficulty: 3 of 5Sum of Cubes (in Numbers) Rating: 3.40
Posted on 2004-05-25 by Gamer (Solution Posted, 12 Comments)
Difficulty: 4 of 5Binary Primes (in Numbers) Rating: 3.50
Posted on 2004-02-18 by Aaron (Solution Posted, 13 Comments)
Difficulty: 3 of 5Looking for n (in Numbers) Rating: 4.29
Posted on 2004-02-24 by Aaron (Solution Posted, 13 Comments)
Difficulty: 2 of 5Power of Multiplication (in Numbers) Rating: 4.00
Posted on 2004-07-16 by red_sox_fan_032003 (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Fair and Square (in Numbers) Rating: 2.33
Posted on 2003-11-03 by Ravi Raja (Solution Posted, 25 Comments)
Difficulty: 3 of 5This Way and That Way (in Numbers) Rating: 3.40
Posted on 2003-11-09 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5House Numbers (in Numbers) Rating: 3.00
Posted on 2003-12-02 by Ravi Raja (No Solution Yet, 15 Comments)
Difficulty: 2 of 5Squares and Cubes (in Numbers) Rating: 3.75
Posted on 2003-12-06 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 3 of 5Number sequence? (in Numbers) Rating: 2.83
Posted on 2003-04-07 by Gamer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Make the least of these digits (in Numbers) Rating: 3.30
Posted on 2003-04-13 by Alan (No Solution Yet, 68 Comments)
Difficulty: 3 of 5Different Digits (in Numbers) Rating: 3.29
Posted on 2003-12-28 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 2 of 5Square Your Age (in Numbers) Rating: 2.75
Posted on 2003-04-15 by pleasance (Solution Posted, 20 Comments)
Difficulty: 3 of 5Age of ages (in Numbers) Rating: 3.00
Posted on 2003-07-16 by Jon (Solution Posted, 12 Comments)
Difficulty: 2 of 5Power to the 2 (in Numbers) Rating: 2.88
Posted on 2004-02-20 by Gamer (Solution Posted, 10 Comments)
Difficulty: 4 of 5BOING! (in Numbers) Rating: 4.15
Posted on 2003-09-17 by DJ (Solution Posted, 15 Comments)
Difficulty: 3 of 5Add down to One (in Numbers) Rating: 2.50
Posted on 2003-05-21 by Jonathan Waltz (Solution Posted, 17 Comments)
Difficulty: 3 of 5What a waist (in Numbers) Rating: 4.44
Posted on 2003-05-28 by DJ (Solution Posted, 4 Comments)
Difficulty: 4 of 5Prime sequence (in Numbers) Rating: 4.50
Posted on 2003-10-23 by Gamer (Solution Posted, 14 Comments)
Difficulty: 1 of 5The magic Number (in Numbers) Rating: 3.33
Posted on 2004-03-17 by Victor Zapana (Solution Posted, 35 Comments)
Difficulty: 3 of 5Just Keep the Change (in Numbers) Rating: 4.18
Posted on 2003-06-15 by DJ (Solution Posted, 14 Comments)
Difficulty: 3 of 5Pretzel sticks (in Numbers) Rating: 3.33
Posted on 2003-09-22 by Gamer (Solution Posted, 5 Comments)
Difficulty: 2 of 5A Number Line (in Numbers) Rating: 4.20
Posted on 2003-06-18 by DJ (Solution Posted, 6 Comments)
Difficulty: 3 of 5Your Ducky Number (in Numbers) Rating: 4.11
Posted on 2003-11-07 by DJ (Solution Posted, 14 Comments)
Difficulty: 2 of 5My favorite number (in Numbers) Rating: 2.67
Posted on 2003-06-16 by Jon (Solution Posted, 15 Comments)
Difficulty: 3 of 5Square Clues (in Numbers) Rating: 3.83
Posted on 2003-12-29 by DJ (Solution Posted, 5 Comments)
Difficulty: 2 of 5Wacko Calculator (in Numbers) Rating: 3.00
Posted on 2003-07-03 by Gamer (Solution Posted, 12 Comments)
Difficulty: 3 of 5Four Digit Number II (in Numbers) Rating: 3.00
Posted on 2003-07-06 by Gamer (Solution Posted, 12 Comments)
Difficulty: 3 of 5Set Me Up (in Numbers) Rating: 4.36
Posted on 2004-02-10 by DJ (Solution Posted, 31 Comments)
Difficulty: 2 of 5Permutation List (in Numbers) Rating: 3.86
Posted on 2003-07-23 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 4 of 5Super Number Square (in Numbers) Rating: 4.42
Posted on 2003-08-19 by DJ (Solution Posted, 10 Comments)
Difficulty: 2 of 5Car-Park Confusion (in Numbers) Rating: 2.67
Posted on 2003-07-09 by Lewis (Solution Posted, 12 Comments)
Difficulty: 2 of 5Party People (in Numbers) Rating: 2.67
Posted on 2003-07-21 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 4 of 5Make it solvable (in Numbers) Rating: 3.67
Posted on 2005-05-05 by Jer (Solution Posted, 18 Comments)
Difficulty: 2 of 5Create the equation (in Numbers) Rating: 2.43
Posted on 2005-05-09 by Jer (Solution Posted, 10 Comments)
Difficulty: 2 of 5What's the Time? (in Numbers) Rating: 2.38
Posted on 2003-07-30 by Lewis (Solution Posted, 23 Comments)
Difficulty: 3 of 5Ten Statements 2.0 (in Numbers) Rating: 4.22
Posted on 2003-08-09 by DJ (Solution Posted, 12 Comments)
Difficulty: 3 of 5neves dda tsuj (in Numbers) Rating: 4.50
Posted on 2004-02-22 by DJ (No Solution Yet, 11 Comments)
Difficulty: 2 of 5More Triangle Numbers (in Numbers) Rating: 3.00
Posted on 2004-01-15 by Gamer (Solution Posted, 8 Comments)
Difficulty: 3 of 5Get it in Gear (in Numbers) Rating: 4.33
Posted on 2003-08-15 by Bryan (Solution Posted, 8 Comments)
Difficulty: 3 of 55 Digit Number (in Numbers) Rating: 3.00
Posted on 2003-08-20 by Gamer (Solution Posted, 13 Comments)
Difficulty: 3 of 5Five of a Kind (in Numbers) Rating: 4.13
Posted on 2003-08-28 by DJ (Solution Posted, 15 Comments)
Difficulty: 4 of 5Move the 6, Quadruple the Number (in Numbers) Rating: 4.25
Posted on 2003-09-04 by DJ (Solution Posted, 6 Comments)
Difficulty: 4 of 5Lumber Netters (in Numbers) Rating: 3.93
Posted on 2003-09-08 by DJ (Solution Posted, 13 Comments)
Difficulty: 3 of 5Counting Exercise (in Numbers) Rating: 4.42
Posted on 2003-09-10 by DJ (Solution Posted, 10 Comments)
Difficulty: 5 of 5Japanese Numbering (in Numbers) Rating: 4.08
Posted on 2003-09-21 by DJ (Solution Posted, 22 Comments)
Difficulty: 3 of 5Simultaneous Equations (in Numbers) Rating: 3.00
Posted on 2003-09-25 by DJ (Solution Posted, 19 Comments)
Difficulty: 5 of 5Fill the Grid (in Numbers) Rating: 3.63
Posted on 2004-01-21 by Brian Smith (Solution Posted, 29 Comments)
Difficulty: 3 of 5Piny the Elder (in Numbers) Rating: 2.71
Posted on 2004-04-24 by Gamer (Solution Posted, 8 Comments)
Difficulty: 3 of 5Number Quiz (in Numbers) Rating: 4.11
Posted on 2003-08-28 by Gamer (Solution Posted, 25 Comments)
Difficulty: 2 of 5Ages and ages (in Numbers) Rating: 3.67
Posted on 2003-11-04 by Popstar Dave (Solution Posted, 8 Comments)
Difficulty: 2 of 5An Egg-celent Question (in Numbers) Rating: 1.83
Posted on 2003-11-11 by Popstar Dave (Solution Posted, 12 Comments)
Difficulty: 2 of 5Temperature Reflection (in Numbers) Rating: 4.29
Posted on 2003-09-29 by DJ (Solution Posted, 11 Comments)
Difficulty: 3 of 5A kiss is just a kiss... (in Numbers) Rating: 3.33
Posted on 2004-06-09 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5A rational number problem (in Numbers) Rating: 5.00
Posted on 2006-10-02 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5Attention Sports Fans (in Numbers) Rating: 3.88
Posted on 2003-10-12 by DJ (Solution Posted, 10 Comments)
Difficulty: 3 of 5An Odd Pyramid (in Numbers) Rating: 4.17
Posted on 2003-10-14 by DJ (Solution Posted, 21 Comments)
Difficulty: 3 of 5Pythagorean Plus One (in Numbers) Rating: 2.00
Posted on 2004-05-17 by Gamer (Solution Posted, 20 Comments)
Difficulty: 3 of 5Sum, Times, I Wonder.. (in Numbers) Rating: 4.43
Posted on 2003-10-24 by DJ (Solution Posted, 8 Comments)
Difficulty: 3 of 5Puzzle Strips (in Numbers) Rating: 3.60
Posted on 2003-10-27 by DJ (Solution Posted, 7 Comments)
Difficulty: 2 of 5The three squirrels (in Numbers) Rating: 2.88
Posted on 2004-02-12 by Gamer (Solution Posted, 12 Comments)
Difficulty: 3 of 5Hexing Numbers (in Numbers) Rating: 4.33
Posted on 2004-05-30 by Gamer (Solution Posted, 2 Comments)
Difficulty: 2 of 5Handshakes (in Numbers)
Posted on 2004-06-14 by Brian Smith (Solution Posted, 14 Comments)
Difficulty: 3 of 5Mileage (in Numbers) Rating: 3.00
Posted on 2004-06-16 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Smallest Number (in Numbers) Rating: 3.75
Posted on 2004-01-25 by Ravi Raja (Solution Posted, 24 Comments)
Difficulty: 3 of 5Sum Of The Digits (in Numbers) Rating: 2.17
Posted on 2004-01-27 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 3 of 5Medals (in Numbers) Rating: 3.20
Posted on 2004-01-29 by Ravi Raja (Solution Posted, 5 Comments)
Difficulty: 2 of 5Short equation (in Numbers) Rating: 2.75
Posted on 2004-06-17 by Federico Kereki (Solution Posted, 14 Comments)
Difficulty: 3 of 5Missing Digits (in Numbers) Rating: 2.80
Posted on 2004-11-10 by Nick Hobson (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Sunday the 1st (in Numbers) Rating: 3.50
Posted on 2005-04-18 by Richard (Solution Posted, 7 Comments)
Difficulty: 4 of 5Tricky Triangle (in Numbers) Rating: 3.25
Posted on 2003-12-03 by Kelsey (No Solution Yet, 15 Comments)
Difficulty: 4 of 5Linear Cubes (in Numbers) Rating: 4.20
Posted on 2003-12-19 by DJ (Solution Posted, 3 Comments)
Difficulty: 3 of 5Puzzle Strips 2 (in Numbers) Rating: 4.29
Posted on 2003-12-22 by DJ (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three Digit Number(s) 2 (in Numbers) Rating: 3.50
Posted on 2003-11-07 by Lewis (Solution Posted, 5 Comments)
Difficulty: 4 of 5Numbers and Dots (in Numbers) Rating: 4.29
Posted on 2003-12-24 by DJ (Solution Posted, 13 Comments)
Difficulty: 3 of 5e pluribus unum ii (in Numbers) Rating: 4.71
Posted on 2004-01-22 by DJ (Solution Posted, 13 Comments)
Difficulty: 3 of 53x3 sums (in Numbers) Rating: 3.00
Posted on 2004-05-15 by Axorion (Solution Posted, 11 Comments)
Difficulty: 3 of 5The Highest Grade (in Numbers) Rating: 3.40
Posted on 2003-12-11 by Gamer (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Magic-in-more-than-one-way Square (in Numbers) Rating: 3.33
Posted on 2004-06-24 by Federico Kereki (Solution Posted, 12 Comments)
Difficulty: 3 of 5Close Neighbors (in Numbers) Rating: 4.57
Posted on 2004-02-05 by DJ (Solution Posted, 7 Comments)
Difficulty: 2 of 5Related numbers (in Numbers) Rating: 3.20
Posted on 2005-01-05 by Tristan (Solution Posted, 11 Comments)
Difficulty: 4 of 5West Side Story (in Numbers) Rating: 3.25
Posted on 2004-02-15 by DJ (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Very Magic Square (in Numbers) Rating: 3.33
Posted on 2003-11-21 by fwaff (Solution Posted, 9 Comments)
Difficulty: 2 of 5Move the 3, Triple the number (in Numbers) Rating: 3.20
Posted on 2004-03-01 by Gamer (Solution Posted, 17 Comments)
Difficulty: 3 of 5Fraction Frustration (in Numbers) Rating: 3.44
Posted on 2004-03-24 by Gamer (Solution Posted, 10 Comments)
Difficulty: 4 of 5B-Palindromes (in Numbers) Rating: 4.00
Posted on 2004-02-25 by DJ (No Solution Yet, 11 Comments)
Difficulty: 3 of 5N-Divisibility (in Numbers) Rating: 4.11
Posted on 2004-02-29 by DJ (Solution Posted, 4 Comments)
Difficulty: 2 of 5Sums and Letters (in Numbers) Rating: 3.00
Posted on 2005-04-27 by Sam (No Solution Yet, 14 Comments)
Difficulty: 4 of 5Lucky Numbers (in Numbers) Rating: 3.75
Posted on 2005-02-19 by David Shin (Solution Posted, 7 Comments)
Difficulty: 2 of 5The Elements (in Numbers) Rating: 3.14
Posted on 2004-04-22 by Gamer (Solution Posted, 6 Comments)
Difficulty: 2 of 5Square challenge (in Numbers) Rating: 3.00
Posted on 2004-01-20 by SilverKnight (Solution Posted, 16 Comments)
Difficulty: 3 of 5Rare Rotative Relationship! (in Numbers) Rating: 4.75
Posted on 2004-09-23 by Old Original Oskar! (Solution Posted, 13 Comments)
Difficulty: 3 of 5Twenty-four (in Numbers) Rating: 4.00
Posted on 2004-06-09 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 3 of 5Extraterrestrial primes (in Numbers) Rating: 3.40
Posted on 2004-01-19 by Tristan (Solution Posted, 7 Comments)
Difficulty: 3 of 5Smudge Sludge (in Numbers) Rating: 3.67
Posted on 2004-04-28 by Gamer (Solution Posted, 9 Comments)
Difficulty: 4 of 5Cubic AND Quartic Challenge (in Numbers) Rating: 3.00
Posted on 2004-02-06 by SilverKnight (Solution Posted, 16 Comments)
Difficulty: 4 of 5Pretty Potent Primes (in Numbers) Rating: 3.33
Posted on 2005-03-13 by Old Original Oskar! (Solution Posted, 12 Comments)
Difficulty: 3 of 5Coin Collection (in Numbers) Rating: 4.20
Posted on 2004-05-04 by Gamer (Solution Posted, 12 Comments)
Difficulty: 3 of 5Unequally Yoked (in Numbers) Rating: 3.63
Posted on 2004-02-26 by Aaron (Solution Posted, 12 Comments)
Difficulty: 4 of 5Not So Neighborly (in Numbers) Rating: 4.00
Posted on 2004-03-03 by Aaron (Solution Posted, 7 Comments)
Difficulty: 3 of 5Two to the Tee (in Numbers) Rating: 4.00
Posted on 2005-07-29 by Old Original Oskar! (Solution Posted, 5 Comments)
Difficulty: 2 of 5Mindreader (in Numbers) Rating: 2.67
Posted on 2004-03-11 by Tristan (Solution Posted, 4 Comments)
Difficulty: 1 of 5A few coins (in Numbers) Rating: 2.92
Posted on 2004-11-19 by e.g. (Solution Posted, 14 Comments)
Difficulty: 2 of 5What's the time, Mr Caesar? (in Numbers) Rating: 2.33
Posted on 2004-05-16 by Popstar Dave (Solution Posted, 6 Comments)
Difficulty: 2 of 5The Sum of the Parts Is Less Than And More Than the Parts (in Numbers) Rating: 2.33
Posted on 2004-10-15 by Victor Zapana (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Any order will do (in Numbers) Rating: 3.67
Posted on 2005-07-12 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 2 of 5Dividing the Unknown (in Numbers) Rating: 3.25
Posted on 2004-05-20 by Victor Zapana (Solution Posted, 2 Comments)
Difficulty: 2 of 52 digit Palindrome (in Numbers) Rating: 3.00
Posted on 2004-04-05 by brianjn (Solution Posted, 24 Comments)
Difficulty: 3 of 5I Got Your Number (in Numbers) Rating: 3.60
Posted on 2004-04-18 by Bob Genisot (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Never prime! (in Numbers) Rating: 4.00
Posted on 2004-04-29 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 510,000 (in Numbers) Rating: 3.00
Posted on 2004-07-21 by SilverKnight (Solution Posted, 10 Comments)
Difficulty: 3 of 5Mirror, Mirror on the wall (in Numbers) Rating: 2.00
Posted on 2004-07-15 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 2 of 5Fraction Magic Square (in Numbers) Rating: 3.67
Posted on 2004-05-22 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 2 of 5Gloves (in Numbers) Rating: 4.17
Posted on 2004-06-03 by Brian Smith (Solution Posted, 30 Comments)
Difficulty: 3 of 5Not A Magic Square (in Numbers) Rating: 4.33
Posted on 2004-06-19 by Brian Smith (Solution Posted, 14 Comments)
Difficulty: 2 of 5Sequencing problems (in Numbers) Rating: 3.17
Posted on 2004-10-01 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 3 of 5Subsetting a set (in Numbers) Rating: 3.80
Posted on 2004-06-29 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 2 of 5A square (in Numbers) Rating: 3.14
Posted on 2004-06-25 by Ady TZIDON (Solution Posted, 16 Comments)
Difficulty: 3 of 5my house's number (in Numbers) Rating: 4.50
Posted on 2004-06-21 by Ady TZIDON (Solution Posted, 32 Comments)
Difficulty: 3 of 5Square pairs (in Numbers) Rating: 4.33
Posted on 2005-01-09 by e.g. (Solution Posted, 12 Comments)
Difficulty: 2 of 5Guess my number (in Numbers) Rating: 2.86
Posted on 2004-09-24 by SilverKnight (Solution Posted, 22 Comments)
Difficulty: 3 of 5Consecutive Integer Sums (in Numbers) Rating: 4.33
Posted on 2004-06-28 by Brian Smith (Solution Posted, 22 Comments)
Difficulty: 3 of 5123456789 equals 100 (in Numbers) Rating: 3.00
Posted on 2004-07-10 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 3 of 5Break a dollar (in Numbers) Rating: 3.25
Posted on 2004-07-14 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 3 of 5Round the square (in Numbers) Rating: 3.00
Posted on 2004-07-30 by Federico Kereki (Solution Posted, 5 Comments)
Difficulty: 3 of 5Special Number (in Numbers) Rating: 2.67
Posted on 2004-06-30 by np_rt (Solution Posted, 9 Comments)
Difficulty: 3 of 5Monkeys and Coconuts w/unknown variables (in Numbers) Rating: 4.44
Posted on 2005-05-08 by yocko (Solution Posted, 10 Comments)
Difficulty: 2 of 5Extreme Productivity (in Numbers) Rating: 4.00
Posted on 2005-02-09 by Richard (Solution Posted, 1 Comments)
Difficulty: 4 of 5169 (in Numbers) Rating: 2.50
Posted on 2004-11-04 by Brian Smith (Solution Posted, 13 Comments)
Difficulty: 3 of 5Different Sums (in Numbers) Rating: 3.25
Posted on 2004-07-22 by Brian Smith (Solution Posted, 17 Comments)
Difficulty: 3 of 5Spirit of 76 with no products (in Numbers) Rating: 3.33
Posted on 2004-07-13 by e.g. (Solution Posted, 3 Comments)
Difficulty: 3 of 58 = 4 + 4 (in Numbers) Rating: 3.00
Posted on 2004-08-26 by Federico Kereki (Solution Posted, 12 Comments)
Difficulty: 4 of 5Kool Numbers (in Numbers) Rating: 3.00
Posted on 2004-11-15 by SilverKnight (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Year by Year (in Numbers) Rating: 2.33
Posted on 2004-11-23 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 2 of 5How many 1s? (in Numbers) Rating: 3.00
Posted on 2004-07-26 by Thalamus (Solution Posted, 16 Comments)
Difficulty: 1 of 5funny numbers (in Numbers) Rating: 2.36
Posted on 2004-07-28 by Thalamus (Solution Posted, 19 Comments)
Difficulty: 3 of 5No zeroes allowed (in Numbers) Rating: 3.50
Posted on 2004-08-27 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Fill in the Blanks (in Numbers) Rating: 2.00
Posted on 2004-07-18 by Aaron (Solution Posted, 6 Comments)
Difficulty: 4 of 5Perfect square? (in Numbers) Rating: 3.00
Posted on 2004-07-23 by Nick Hobson (Solution Posted, 12 Comments)
Difficulty: 1 of 5Mixing Digits (in Numbers) Rating: 2.40
Posted on 2004-12-29 by Jim (Solution Posted, 25 Comments)
Difficulty: 1 of 5Another last digit (in Numbers) Rating: 2.50
Posted on 2004-09-07 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 4 of 5Unknown Digits (in Numbers) Rating: 3.67
Posted on 2004-08-11 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 2 of 5BIG , BIGGER , BIGGEST (in Numbers) Rating: 3.00
Posted on 2004-08-12 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Prime Cross Letters (in Numbers) Rating: 3.00
Posted on 2004-08-24 by Sandeep (Solution Posted, 6 Comments)
Difficulty: 3 of 5Summing Squares Sequentially! (in Numbers) Rating: 2.00
Posted on 2004-10-01 by Old Original Oskar! (Solution Posted, 10 Comments)
Difficulty: 2 of 5Curious Cubic Calculation? (in Numbers) Rating: 3.83
Posted on 2004-10-13 by Old Original Oskar! (Solution Posted, 14 Comments)
Difficulty: 2 of 5Go for short! (in Numbers) Rating: 2.00
Posted on 2005-04-19 by e.g. (Solution Posted, 8 Comments)
Difficulty: 3 of 5Nine kids (in Numbers) Rating: 4.13
Posted on 2004-09-09 by e.g. (Solution Posted, 22 Comments)
Difficulty: 3 of 5More Archery Practice (in Numbers) Rating: 3.00
Posted on 2004-09-21 by Gamer (Solution Posted, 15 Comments)
Difficulty: 3 of 5Rational Result? Ridiculous! (in Numbers) Rating: 2.75
Posted on 2004-12-20 by Old Original Oskar! (Solution Posted, 20 Comments)
Difficulty: 3 of 57/9 (in Numbers) Rating: 3.83
Posted on 2004-09-27 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Candy Box (in Numbers) Rating: 3.50
Posted on 2004-10-08 by Brian Smith (Solution Posted, 18 Comments)
Difficulty: 2 of 5Magic constant (in Numbers) Rating: 1.75
Posted on 2005-02-23 by e.g. (Solution Posted, 10 Comments)
Difficulty: 2 of 5Reverse and Differ (in Numbers) Rating: 3.00
Posted on 2005-02-01 by Jer (Solution Posted, 7 Comments)
Difficulty: 4 of 5Sums of Squares (in Numbers) Rating: 3.29
Posted on 2005-02-21 by David Shin (Solution Posted, 8 Comments)
Difficulty: 4 of 5A Different Magic Square (in Numbers) Rating: 4.25
Posted on 2004-10-29 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Ordering Pairs (in Numbers) Rating: 3.75
Posted on 2004-11-06 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5Speaking Volumes (in Numbers) Rating: 3.17
Posted on 2004-11-10 by Brian Smith (Solution Posted, 19 Comments)
Difficulty: 3 of 5Triangular Coordinates (in Numbers) Rating: 2.67
Posted on 2004-10-26 by Victor Zapana (No Solution Yet, 11 Comments)
Difficulty: 1 of 5A Few Coins II (in Numbers) Rating: 1.80
Posted on 2005-05-12 by Dustin (Solution Posted, 6 Comments)
Difficulty: 2 of 5Radically confusing (in Numbers) Rating: 1.43
Posted on 2005-05-14 by Jer (Solution Posted, 16 Comments)
Difficulty: 2 of 5Silly System (in Numbers) Rating: 3.25
Posted on 2005-05-16 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Clueless (in Numbers) Rating: 4.00
Posted on 2005-03-14 by Sam (Solution Posted, 7 Comments)
Difficulty: 3 of 52 3 1 2 1 3 (in Numbers) Rating: 4.29
Posted on 2004-11-23 by Erik O. (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Pattern of Numbers (in Numbers) Rating: 4.00
Posted on 2004-12-16 by Erik O. (Solution Posted, 8 Comments)
Difficulty: 2 of 51 To 15 in a 3x5 Array (in Numbers) Rating: 3.00
Posted on 2004-12-09 by Erik O. (Solution Posted, 11 Comments)
Difficulty: 3 of 5Center Digits (in Numbers) Rating: 2.25
Posted on 2004-11-28 by Brian Smith (Solution Posted, 15 Comments)
Difficulty: 3 of 5Prime Product Permutation (in Numbers) Rating: 3.25
Posted on 2005-03-21 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 3 of 5Math Class (in Numbers) Rating: 3.67
Posted on 2004-12-23 by Jim (Solution Posted, 9 Comments)
Difficulty: 3 of 5Inheritance Envelopes (in Numbers) Rating: 3.50
Posted on 2004-12-24 by Jim (Solution Posted, 4 Comments)
Difficulty: 3 of 51000th digit (in Numbers) Rating: 3.38
Posted on 2005-04-26 by Pemmadu Raghu Ramaiah (Solution Posted, 30 Comments)
Difficulty: 3 of 5A Rabbit ate the Carrots (in Numbers) Rating: 3.67
Posted on 2005-02-05 by Syzygy (Solution Posted, 11 Comments)
Difficulty: 3 of 5Find the Numbers missing (in Numbers) Rating: 2.00
Posted on 2005-04-28 by Pemmadu Raghu Ramaiah (Solution Posted, 18 Comments)
Difficulty: 2 of 5Thirds and Differences (in Numbers) Rating: 3.00
Posted on 2005-07-21 by Erik O. (No Solution Yet, 12 Comments)
Difficulty: 1 of 5Another Pattern of Numbers (in Numbers) Rating: 4.00
Posted on 2005-07-29 by Erik O. (No Solution Yet, 17 Comments)
Difficulty: 4 of 5Quadruplets with Square Triplets (in Numbers) Rating: 4.00
Posted on 2005-02-23 by David Shin (Solution Posted, 10 Comments)
Difficulty: 3 of 5Digit Counting (in Numbers) Rating: 3.33
Posted on 2005-02-25 by David Shin (Solution Posted, 2 Comments)
Difficulty: 2 of 5Sweet Sixteener (in Numbers) Rating: 4.00
Posted on 2005-02-03 by Richard (Solution Posted, 6 Comments)
Difficulty: 3 of 5Two to the Three = Three to the Two? (in Numbers) Rating: 5.00
Posted on 2005-03-22 by Old Original Oskar! (Solution Posted, 9 Comments)
Difficulty: 3 of 5Sums of squares and stuff. (in Numbers)
Posted on 2005-03-26 by Erik O. (Solution Posted, 16 Comments)
Difficulty: 4 of 5Five Fives (in Numbers) Rating: 4.47
Posted on 2005-09-18 by Josh70679 (Solution Posted, 395 Comments)
Difficulty: 2 of 550 - Digit Number II (in Numbers) Rating: 2.80
Posted on 2005-05-13 by Dustin (Solution Posted, 12 Comments)
Difficulty: 3 of 5So how small is it then? (in Numbers) Rating: 4.00
Posted on 2006-08-09 by Jer (Solution Posted, 17 Comments)
Difficulty: 2 of 5Circle of numbers (in Numbers) Rating: 3.75
Posted on 2005-05-27 by McWorter (Solution Posted, 31 Comments)
Difficulty: 2 of 5Discriminants (in Numbers) Rating: 3.50
Posted on 2005-05-24 by Jer (Solution Posted, 7 Comments)
Difficulty: 3 of 5Pumpkins 2 (in Numbers) Rating: 3.00
Posted on 2005-09-08 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 4 of 5Fibonacci Lore (in Numbers) Rating: 4.00
Posted on 2005-06-10 by McWorter (Solution Posted, 15 Comments)
Difficulty: 3 of 5Devilish Difference (in Numbers)
Posted on 2005-08-22 by McWorter (Solution Posted, 6 Comments)
Difficulty: 3 of 5A classic game (in Numbers) Rating: 3.00
Posted on 2005-06-22 by e.g. (Solution Posted, 10 Comments)
Difficulty: 3 of 5Dotty Right Triangle (in Numbers) Rating: 4.50
Posted on 2005-06-09 by Richard (Solution Posted, 6 Comments)
Difficulty: 3 of 5Perplexing Polynomial Puzzle (in Numbers) Rating: 4.33
Posted on 2005-06-13 by Bractals (Solution Posted, 6 Comments)
Difficulty: 3 of 5Unusual binary representation (in Numbers)
Posted on 2005-06-14 by McWorter (Solution Posted, 9 Comments)
Difficulty: 2 of 5123456 (in Numbers) Rating: 3.40
Posted on 2005-07-04 by Erik O. (Solution Posted, 21 Comments)
Difficulty: 2 of 5A string of primes (in Numbers) Rating: 2.00
Posted on 2005-09-01 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Ambiguous And Definite Years (in Numbers) Rating: 3.00
Posted on 2006-02-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5What's Going On? (in Numbers) Rating: 3.00
Posted on 2005-07-05 by Bractals (Solution Posted, 5 Comments)
Difficulty: 4 of 5Sophie Squares (in Numbers) Rating: 3.25
Posted on 2005-07-13 by Gamer (Solution Posted, 9 Comments)
Difficulty: 3 of 58 8s (in Numbers) Rating: 3.80
Posted on 2005-07-11 by Nat (Solution Posted, 24 Comments)
Difficulty: 4 of 5Square Power (in Numbers) Rating: 4.50
Posted on 2005-07-10 by Sam (No Solution Yet, 7 Comments)
Difficulty: 2 of 5An Easier Fill the Grid (in Numbers) Rating: 2.50
Posted on 2005-10-18 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Prime square (in Numbers)
Posted on 2005-07-19 by Federico Kereki (No Solution Yet, 10 Comments)
Difficulty: 3 of 5A One-Seventh Power Problem (in Numbers) Rating: 3.33
Posted on 2006-04-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5My favorite numbers (in Numbers) Rating: 3.50
Posted on 2005-07-22 by Jurgen (No Solution Yet, 13 Comments)
Difficulty: 3 of 5ABSENT TONE (in Numbers) Rating: 4.50
Posted on 2005-09-02 by Brian Smith (Solution Posted, 20 Comments)
Difficulty: 3 of 5A 2006 Problem (in Numbers) Rating: 3.33
Posted on 2006-07-27 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Gross Division (in Numbers) Rating: 4.00
Posted on 2006-02-20 by goFish (Solution Posted, 16 Comments)
Difficulty: 3 of 5Making poverty history (in Numbers) Rating: 4.50
Posted on 2006-02-19 by goFish (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Palindromic number counting (in Numbers) Rating: 3.67
Posted on 2006-06-22 by Sir Percivale (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sorta pythagoric... (in Numbers) Rating: 3.00
Posted on 2005-09-01 by e.g. (Solution Posted, 16 Comments)
Difficulty: 4 of 5All/Any different? (in Numbers) Rating: 3.50
Posted on 2005-08-16 by Federico Kereki (Solution Posted, 27 Comments)
Difficulty: 4 of 5A quotient and square problem (in Numbers) Rating: 3.33
Posted on 2006-09-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Abramowitz And Bernhardt Families (in Numbers) Rating: 3.50
Posted on 2006-06-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A quite even partition (in Numbers) Rating: 4.33
Posted on 2005-08-28 by Federico Kereki (Solution Posted, 18 Comments)
Difficulty: 3 of 5A Digital Permutation Problem (in Numbers) Rating: 3.00
Posted on 2006-02-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Similar Six Sequence (in Numbers) Rating: 3.75
Posted on 2005-11-18 by Old Original Oskar! (Solution Posted, 20 Comments)
Difficulty: 3 of 5Three Cubed (in Numbers) Rating: 3.00
Posted on 2005-11-19 by Charlie (Solution Posted, 9 Comments)
Difficulty: 3 of 5A Seven Digit Problem (in Numbers)
Posted on 2006-09-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Self-Referential Numbers (in Numbers) Rating: 3.40
Posted on 2005-09-23 by Brian Smith (Solution Posted, 19 Comments)
Difficulty: 3 of 5Domino fractions (in Numbers) Rating: 3.00
Posted on 2006-05-25 by Jer (Solution Posted, 3 Comments)
Difficulty: 4 of 5More Referential Numbers (in Numbers) Rating: 4.00
Posted on 2005-12-10 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 4 of 5A Bivariate Divisibility Problem (in Numbers) Rating: 2.14
Posted on 2006-06-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Power! (in Numbers) Rating: 2.50
Posted on 2006-03-09 by Joe (Solution Posted, 2 Comments)
Difficulty: 4 of 5A Sevens And Zeroes Problem (in Numbers) Rating: 4.00
Posted on 2006-01-26 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Recursive Definition (in Numbers)
Posted on 2005-09-09 by Bractals (Solution Posted, 8 Comments)
Difficulty: 2 of 53D Sudoku - Part I (in Numbers) Rating: 3.00
Posted on 2006-03-06 by Dustin (Solution Posted, 10 Comments)
Difficulty: 3 of 5Remainder: Part 1 (in Numbers) Rating: 2.50
Posted on 2006-03-20 by Ravi Raja (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Classical Rules 2 (in Numbers) Rating: 4.00
Posted on 2006-04-20 by goFish (No Solution Yet, 4 Comments)
Difficulty: 2 of 535, 70, 105, 140... (in Numbers) Rating: 3.00
Posted on 2006-05-03 by Rob (Solution Posted, 9 Comments)
Difficulty: 3 of 5From Six To One (in Numbers) Rating: 4.50
Posted on 2006-10-31 by Josie Faulkner (Solution Posted, 10 Comments)
Difficulty: 3 of 5Two fours (or fewer?) (in Numbers) Rating: 4.00
Posted on 2006-04-07 by Jer (Solution Posted, 16 Comments)
Difficulty: 3 of 5Stupid number trick IV (in Numbers) Rating: 4.00
Posted on 2006-01-13 by Jer (Solution Posted, 23 Comments)
Difficulty: 3 of 5The end of the game (in Numbers) Rating: 4.00
Posted on 2005-12-28 by Cory Taylor (Solution Posted, 6 Comments)
Difficulty: 3 of 5Maths exam problem (in Numbers) Rating: 4.00
Posted on 2006-04-21 by Salil (Solution Posted, 14 Comments)
Difficulty: 3 of 51066 and all that (in Numbers) Rating: 4.29
Posted on 2006-01-20 by goFish (Solution Posted, 26 Comments)
Difficulty: 2 of 5An Ingenious Sum Puzzle (in Numbers)
Posted on 2006-10-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Tricky Ten Digit Number (in Numbers) Rating: 4.50
Posted on 2006-07-31 by Yosippavar (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Find just one digit (in Numbers) Rating: 4.00
Posted on 2005-11-10 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 5Classical Rules 1 (in Numbers) Rating: 3.50
Posted on 2006-04-17 by goFish (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Stupid number trick II (in Numbers) Rating: 3.67
Posted on 2006-01-02 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5Hymn Numbers (in Numbers) Rating: 4.00
Posted on 2005-12-07 by Captain Paradox (Solution Posted, 6 Comments)
Difficulty: 3 of 5Odometer Sum of the Digits (in Numbers) Rating: 4.33
Posted on 2006-01-19 by Ken Haley (Solution Posted, 11 Comments)
Difficulty: 4 of 5A Magic Rectangle Problem (in Numbers) Rating: 3.50
Posted on 2006-07-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Trig meets Logs (in Numbers) Rating: 3.00
Posted on 2006-06-14 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Integer Rep (in Numbers) Rating: 3.50
Posted on 2005-11-24 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Either / Or (in Numbers) Rating: 3.25
Posted on 2006-05-13 by tomarken (Solution Posted, 19 Comments)
Difficulty: 3 of 5Stupid number trick III (in Numbers) Rating: 4.00
Posted on 2006-01-11 by Jer (Solution Posted, 11 Comments)
Difficulty: 3 of 5Alexei And Boris (in Numbers) Rating: 3.00
Posted on 2006-03-28 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 4 of 5Six Squares (in Numbers) Rating: 3.80
Posted on 2005-11-18 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Two Magic Squares (in Numbers) Rating: 4.50
Posted on 2005-11-15 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 2 of 5Seven powers of seven (in Numbers) Rating: 5.00
Posted on 2006-09-08 by JLo (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum and Product reversal (in Numbers) Rating: 3.50
Posted on 2006-04-05 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 53's & 7's (in Numbers) Rating: 3.25
Posted on 2006-04-09 by Jer (Solution Posted, 13 Comments)
Difficulty: 2 of 5That's a lotta numbers! (in Numbers) Rating: 3.25
Posted on 2006-04-14 by Jer (Solution Posted, 10 Comments)
Difficulty: 4 of 5Remainders (in Numbers) Rating: 4.00
Posted on 2006-04-15 by Jer (Solution Posted, 4 Comments)
Difficulty: 2 of 5a, b and c (in Numbers) Rating: 2.78
Posted on 2005-09-27 by Josh70679 (Solution Posted, 13 Comments)
Difficulty: 3 of 5Feel the powers! (in Numbers) Rating: 3.67
Posted on 2005-09-21 by Josh70679 (Solution Posted, 4 Comments)
Difficulty: 3 of 5Integer Solutions (in Numbers) Rating: 2.50
Posted on 2006-03-30 by Bractals (Solution Posted, 16 Comments)
Difficulty: 3 of 5Further Arithmetic Integers (in Numbers) Rating: 3.33
Posted on 2006-06-27 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 4 of 53D Sudoku - Part II (in Numbers) Rating: 3.50
Posted on 2006-03-17 by Dustin (Solution Posted, 6 Comments)
Difficulty: 4 of 5Easily distinguished codes (in Numbers) Rating: 4.50
Posted on 2005-11-29 by Tristan (Solution Posted, 11 Comments)
Difficulty: 1 of 5Stupid number trick (in Numbers) Rating: 2.33
Posted on 2005-12-01 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Dividing A Grid (in Numbers) Rating: 2.00
Posted on 2005-10-25 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5Boxing Day (in Numbers) Rating: 4.00
Posted on 2005-09-28 by Lisa (Solution Posted, 7 Comments)
Difficulty: 2 of 5Magic Sum (in Numbers) Rating: 3.00
Posted on 2005-09-22 by Bob Smith (Solution Posted, 6 Comments)
Difficulty: 4 of 5Further Arithmetic Integers II (in Numbers) Rating: 5.00
Posted on 2006-08-04 by Daniel (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Multiplication Table (in Numbers) Rating: 3.00
Posted on 2006-07-07 by tomarken (No Solution Yet, 12 Comments)
Difficulty: 4 of 5A Powers and Square Puzzle (in Numbers) Rating: 4.00
Posted on 2006-12-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A Smallest Integer Problem (in Numbers) Rating: 3.75
Posted on 2006-12-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A FIRST and SECOND Problem (in Numbers) Rating: 4.00
Posted on 2006-08-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Cube first, or square second (in Numbers) Rating: 4.29
Posted on 2006-07-22 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5A DEEP ROOT Problem (in Numbers) Rating: 3.50
Posted on 2006-09-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Further Descending Integers (in Numbers) Rating: 4.00
Posted on 2006-10-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Millenium problem (in Numbers) Rating: 3.33
Posted on 2006-08-21 by JLo (Solution Posted, 15 Comments)
Difficulty: 3 of 5A Realmebon Problem (in Numbers) Rating: 4.00
Posted on 2006-11-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Summing or Multiplying (in Numbers) Rating: 4.25
Posted on 2006-08-21 by e.g. (Solution Posted, 21 Comments)
Difficulty: 3 of 5divisible by 11? (in Numbers) Rating: 3.50
Posted on 2006-09-04 by Bon (No Solution Yet, 17 Comments)
Difficulty: 2 of 5Take five! (in Numbers) Rating: 4.00
Posted on 2006-09-21 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Needed: a large calculator! (in Numbers) Rating: 2.75
Posted on 2006-09-22 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5The digits and square numbers (in Numbers)
Posted on 2006-10-12 by Salil (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Repeating decimals (in Numbers) Rating: 4.50
Posted on 2006-09-25 by Jer (Solution Posted, 12 Comments)
Difficulty: 2 of 5Bananas (in Numbers) Rating: 3.33
Posted on 2006-08-28 by JLo (Solution Posted, 11 Comments)
Difficulty: 2 of 5Six numbers and a prime (in Numbers) Rating: 3.00
Posted on 2006-08-29 by JLo (Solution Posted, 23 Comments)
Difficulty: 2 of 5Hyper version of Fermat's Theorem (in Numbers) Rating: 4.00
Posted on 2006-09-01 by JLo (Solution Posted, 1 Comments)
Difficulty: 3 of 5Another function problem (in Numbers) Rating: 4.00
Posted on 2006-11-19 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5Bananas III (in Numbers) Rating: 4.00
Posted on 2006-12-22 by JLo (Solution Posted, 4 Comments)
Difficulty: 4 of 5Evil powers (in Numbers) Rating: 4.00
Posted on 2006-08-31 by JLo (Solution Posted, 9 Comments)
Difficulty: 3 of 5These are no fractions, are they? (in Numbers) Rating: 2.50
Posted on 2006-09-05 by JLo (Solution Posted, 16 Comments)
Difficulty: 3 of 5Fermat for beginners (in Numbers) Rating: 3.00
Posted on 2006-09-14 by JLo (Solution Posted, 4 Comments)
Difficulty: 2 of 5A Second Degree Puzzle (in Numbers) Rating: 4.00
Posted on 2007-06-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Unit Fractions (in Numbers) Rating: 4.33
Posted on 2006-10-13 by Gamer (Solution Posted, 6 Comments)
Difficulty: 2 of 5Another positive integer puzzle (in Numbers) Rating: 5.00
Posted on 2006-11-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Magic 8's (in Numbers) Rating: 4.00
Posted on 2006-09-18 by joshua (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Pandigital Sum (in Numbers) Rating: 5.00
Posted on 2006-09-19 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Threes and sevens (in Numbers) Rating: 2.50
Posted on 2006-10-25 by vswitchs (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Pandigital Multiplication and Division (in Numbers) Rating: 4.00
Posted on 2006-10-07 by Charlie (Solution Posted, 8 Comments)
Difficulty: 4 of 520 numbers and 8 primes (in Numbers) Rating: 4.50
Posted on 2006-10-12 by Steve Herman (Solution Posted, 8 Comments)
Difficulty: 4 of 5Three Periodical Questions (in Numbers) Rating: 3.00
Posted on 2006-10-16 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime Numbers in a Ten (in Numbers) Rating: 2.40
Posted on 2006-11-06 by Paddy (Solution Posted, 7 Comments)
Difficulty: 2 of 5Favorable Numbers (in Numbers) Rating: 3.00
Posted on 2006-11-02 by Gamer (Solution Posted, 5 Comments)
Difficulty: 1 of 5Consecutive Odd and Prime (in Numbers) Rating: 2.25
Posted on 2006-11-08 by Richard (Solution Posted, 4 Comments)
Difficulty: 3 of 512 digit number (in Numbers)
Posted on 2007-01-22 by atheron (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A 1001 Problem (in Numbers) Rating: 3.25
Posted on 2007-02-05 by K Sengupta (Solution Posted, 23 Comments)
Difficulty: 4 of 5Bananas II (in Numbers) Rating: 3.67
Posted on 2006-11-13 by JLo (Solution Posted, 8 Comments)
Difficulty: 3 of 5More Harmonic Integers (2) (in Numbers) Rating: 3.33
Posted on 2007-03-28 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Multiply Together, Get Cubic (in Numbers) Rating: 4.00
Posted on 2007-06-21 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5A Factorial Triplet Puzzle (in Numbers) Rating: 4.00
Posted on 2007-01-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Another 2007 Problem (in Numbers) Rating: 3.00
Posted on 2007-02-19 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Perpetual Primes Production? (in Numbers) Rating: 4.00
Posted on 2006-11-29 by Old Original Oskar! (Solution Posted, 12 Comments)
Difficulty: 3 of 5Duplicate Digit Determination (in Numbers)
Posted on 2006-12-03 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 3 of 5How many oranges? (in Numbers) Rating: 2.33
Posted on 2007-03-22 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Diophantine And Almost Fermat (in Numbers) Rating: 4.00
Posted on 2007-02-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Front to back (in Numbers)
Posted on 2007-03-18 by Gamer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5BRIAN = LINDA = LEVIK = CORAL (in Numbers) Rating: 4.38
Posted on 2006-12-08 by Josie Faulkner (Solution Posted, 9 Comments)
Difficulty: 3 of 5Floor function and primes (in Numbers)
Posted on 2006-12-09 by atheron (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Inverted Primes (in Numbers) Rating: 3.78
Posted on 2006-12-15 by Josie Faulkner (Solution Posted, 7 Comments)
Difficulty: 4 of 5One equation with nine unknowns! (in Numbers) Rating: 4.20
Posted on 2006-12-13 by John Reid (No Solution Yet, 7 Comments)
Difficulty: 2 of 5No Cigar (in Numbers)
Posted on 2006-12-19 by Dustin (Solution Posted, 10 Comments)
Difficulty: 3 of 5Cross-Country Runners (in Numbers) Rating: 3.67
Posted on 2006-12-23 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5A 2011 Problem (in Numbers) Rating: 5.00
Posted on 2007-03-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Number power (in Numbers) Rating: 4.00
Posted on 2006-12-30 by atheron (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Divisibility (in Numbers)
Posted on 2007-01-08 by atheron (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Odd Series (in Numbers) Rating: 4.00
Posted on 2007-01-08 by Dennis (Solution Posted, 4 Comments)
Difficulty: 3 of 5Vicious Circle (in Numbers) Rating: 5.00
Posted on 2007-01-17 by Charlie (Solution Posted, 3 Comments)
Difficulty: 1 of 5Further Geometric Numbers (2) (in Numbers)
Posted on 2007-03-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Biz buz baz - Part I (in Numbers) Rating: 4.00
Posted on 2007-01-18 by Kenny M (Solution Posted, 4 Comments)
Difficulty: 3 of 5Divisible by 7 (in Numbers) Rating: 4.00
Posted on 2007-02-15 by Dennis (Solution Posted, 5 Comments)
Difficulty: 5 of 5Binary Repunit Fibonaccis (in Numbers) Rating: 5.00
Posted on 2007-01-22 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Factors and Primes (in Numbers) Rating: 4.67
Posted on 2007-01-24 by atheron (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Numbered Cube (in Numbers) Rating: 4.00
Posted on 2007-01-26 by atheron (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arabian Nights (in Numbers) Rating: 3.33
Posted on 2007-02-06 by Art M (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum the squares, get factorial (in Numbers) Rating: 3.00
Posted on 2007-04-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A Square Pin Bundle (in Numbers) Rating: 4.67
Posted on 2007-06-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A 2547 Puzzle (in Numbers) Rating: 3.00
Posted on 2007-03-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Greatest value (in Numbers) Rating: 5.00
Posted on 2007-02-02 by atheron (Solution Posted, 2 Comments)
Difficulty: 2 of 5A Greatest (Integer) Problem (in Numbers) Rating: 5.00
Posted on 2007-04-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 5 of 5Raise to the seventh power, get factor (in Numbers) Rating: 3.33
Posted on 2007-04-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5Funky Fibonacci Fractions (in Numbers) Rating: 4.67
Posted on 2007-02-22 by Old Original Oskar! (Solution Posted, 5 Comments)
Difficulty: 3 of 5What is RUST? (in Numbers) Rating: 4.50
Posted on 2007-02-23 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Divisible by 2007 (in Numbers) Rating: 3.33
Posted on 2007-03-11 by Dennis (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum three, get one (in Numbers) Rating: 2.50
Posted on 2007-04-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Note the function, get the value(s) (in Numbers) Rating: 4.00
Posted on 2007-04-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5The Molecube (in Numbers) Rating: 3.75
Posted on 2007-05-01 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cribbed Idea (in Numbers)
Posted on 2007-04-15 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Basic Statistics (in Numbers) Rating: 5.00
Posted on 2007-03-26 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 3 of 5Perplexus Cryptarithm Puzzle (in Numbers)
Posted on 2007-03-31 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Appropriate Area (in Numbers)
Posted on 2007-03-21 by Gamer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Differences Do Dozen? (in Numbers) Rating: 4.00
Posted on 2007-03-28 by Old Original Oskar! (Solution Posted, 2 Comments)
Difficulty: 4 of 5Sum Squared Divisors, Get Number (in Numbers) Rating: 4.00
Posted on 2007-05-03 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Deleted Numbers (in Numbers) Rating: 4.67
Posted on 2007-05-09 by Dennis (Solution Posted, 4 Comments)
Difficulty: 3 of 5Consecutive Integer Series (in Numbers) Rating: 4.50
Posted on 2007-05-14 by Dennis (Solution Posted, 12 Comments)
Difficulty: 4 of 5Is it, or is it not? (in Numbers) Rating: 3.67
Posted on 2007-04-10 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 5Close to Fermat (in Numbers) Rating: 5.00
Posted on 2007-04-06 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Bigger or Smaller?? (in Numbers) Rating: 1.75
Posted on 2007-02-22 by Ansh (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Summing Digits (in Numbers)
Posted on 2007-02-26 by Dennis (Solution Posted, 5 Comments)
Difficulty: 2 of 5Tough Negotiations (in Numbers)
Posted on 2007-02-27 by Art M (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Surprising Sudden Square (in Numbers)
Posted on 2007-03-24 by Old Original Oskar! (No Solution Yet, 10 Comments)
Difficulty: 3 of 5A problem to end all shift-a-digit problems (in Numbers) Rating: 4.00
Posted on 2007-03-26 by e.g. (Solution Posted, 3 Comments)
Difficulty: 2 of 5Chop it off (in Numbers) Rating: 4.00
Posted on 2007-03-27 by e.g. (No Solution Yet, 5 Comments)
Difficulty: 4 of 5PanMagic (in Numbers) Rating: 3.00
Posted on 2007-03-02 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Triangular Triples (in Numbers) Rating: 4.00
Posted on 2007-04-21 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Five Squares (in Numbers) Rating: 3.75
Posted on 2007-04-18 by brianjn (Solution Posted, 7 Comments)
Difficulty: 3 of 5Substitute seen, get result (in Numbers) Rating: 4.00
Posted on 2007-05-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Basic Statistics 2 (in Numbers) Rating: 3.00
Posted on 2007-04-20 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 2 of 5Emir P. Prime (in Numbers) Rating: 4.33
Posted on 2007-04-19 by Dej Mar (Solution Posted, 5 Comments)
Difficulty: 3 of 5Go 2 Gig, Get Minimum (in Numbers) Rating: 4.00
Posted on 2007-05-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Divide The Cubic, Get The Pairs (in Numbers) Rating: 4.00
Posted on 2007-05-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Take non decreasing, get non negative (in Numbers) Rating: 4.33
Posted on 2007-05-29 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Three Squares (in Numbers) Rating: 3.00
Posted on 2007-05-03 by brianjn (Solution Posted, 9 Comments)
Difficulty: 2 of 5Take Biquadratic, Get Prime (in Numbers) Rating: 4.00
Posted on 2007-06-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Belonging (in Numbers) Rating: 3.67
Posted on 2007-04-29 by brianjn (Solution Posted, 7 Comments)
Difficulty: 3 of 5Lotto Losers (in Numbers) Rating: 4.30
Posted on 2007-04-23 by Josie Faulkner (Solution Posted, 9 Comments)
Difficulty: 1 of 5Two Digit Average (in Numbers) Rating: 3.25
Posted on 2007-05-04 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Powerful Sum? (in Numbers) Rating: 4.00
Posted on 2007-06-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Phidius (in Numbers) Rating: 2.67
Posted on 2007-05-11 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Queue weight possibilities. (in Numbers)
Posted on 2007-05-15 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Subtle Summed Squares (in Numbers) Rating: 5.00
Posted on 2007-05-18 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 3 of 5Take Divisors, Get Square Root (in Numbers) Rating: 4.00
Posted on 2007-07-13 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sum Three Factorials, Get Exponent (in Numbers) Rating: 4.00
Posted on 2007-07-03 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 4 of 5The Irrational Units Digit (in Numbers) Rating: 3.00
Posted on 2007-05-21 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 4 of 5Queue weight possibilities 2. (in Numbers) Rating: 3.00
Posted on 2007-05-23 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5An apple (or more) a day... (in Numbers) Rating: 4.00
Posted on 2007-05-28 by Federico Kereki (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some Hardy Ramanujan variants (in Numbers) Rating: 3.00
Posted on 2007-06-02 by Federico Kereki (No Solution Yet, 2 Comments)
Difficulty: 3 of 5SuDoKu Prime (in Numbers) Rating: 4.00
Posted on 2007-06-03 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 4 of 5Add To Cube, Get Square? (in Numbers) Rating: 4.00
Posted on 2007-08-03 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Cube Root And Multiple Puzzle (in Numbers) Rating: 4.00
Posted on 2007-08-10 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5From Minus One to Plus One (in Numbers) Rating: 4.40
Posted on 2007-06-13 by Josie Faulkner (Solution Posted, 7 Comments)
Difficulty: 3 of 5Getting Fruity With 73 And 2005 (in Numbers) Rating: 3.50
Posted on 2007-08-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Crossnumber (in Numbers) Rating: 4.38
Posted on 2007-07-01 by Josie Faulkner (No Solution Yet, 5 Comments)
Difficulty: 3 of 5An ID Number Problem (in Numbers) Rating: 5.00
Posted on 2007-08-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Count in German (in Numbers) Rating: 3.00
Posted on 2007-06-20 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5Powers Of 7, Powers Of 2 (in Numbers) Rating: 3.75
Posted on 2007-08-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Six Digits (in Numbers) Rating: 4.00
Posted on 2007-07-18 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Getting Primes With 2 And 4 (in Numbers) Rating: 4.00
Posted on 2007-08-19 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Getting The Bases With 2007? (in Numbers) Rating: 3.00
Posted on 2007-09-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Getting Quadratic With Two Digits (in Numbers) Rating: 2.33
Posted on 2007-09-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tough Puzzle (part 1) (in Numbers) Rating: 4.25
Posted on 2007-08-09 by Josie Faulkner (Solution Posted, 4 Comments)
Difficulty: 3 of 5Can't see the wood for the trees (in Numbers) Rating: 4.67
Posted on 2007-08-14 by Josie Faulkner (Solution Posted, 8 Comments)
Difficulty: 3 of 5Grid of Little Squares (in Numbers) Rating: 2.00
Posted on 2007-08-07 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5Tough Puzzle (part 3) (in Numbers) Rating: 4.33
Posted on 2007-08-23 by Josie Faulkner (Solution Posted, 4 Comments)
Difficulty: 3 of 5Summing Powers 2 (in Numbers) Rating: 4.00
Posted on 2007-08-25 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Last Three Digits (in Numbers) Rating: 4.00
Posted on 2007-08-28 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 4 of 5Only One Operator (in Numbers) Rating: 4.33
Posted on 2007-08-26 by Praneeth (Solution Posted, 7 Comments)
Difficulty: 3 of 5Align Any Set (in Numbers) Rating: 3.00
Posted on 2007-09-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5B,C from A (in Numbers) Rating: 5.00
Posted on 2007-09-14 by Praneeth (Solution Posted, 6 Comments)
Difficulty: 3 of 5Deck of Cards Almanac (in Numbers) Rating: 3.00
Posted on 2007-09-11 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5Four 2's (in Numbers) Rating: 2.33
Posted on 2007-11-20 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5Divisible for every n (in Numbers)
Posted on 2007-10-11 by Praneeth (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Special Natural Numbers (in Numbers)
Posted on 2007-10-14 by Praneeth (Solution Posted, 8 Comments)
Difficulty: 3 of 5Ways of the Grid (in Numbers) Rating: 3.00
Posted on 2007-12-04 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5Seven Odd Primes (in Numbers)
Posted on 2007-10-20 by Dej Mar (Solution Posted, 4 Comments)
Difficulty: 3 of 5Getting Cubic With T^2 (in Numbers) Rating: 5.00
Posted on 2007-10-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Rationalizing Decimals (in Numbers) Rating: 3.00
Posted on 2007-09-26 by Jer (Solution Posted, 8 Comments)
Difficulty: 3 of 5Mixing Meters, Yards and Months (in Numbers) Rating: 3.00
Posted on 2007-10-04 by Charlie (Solution Posted, 9 Comments)
Difficulty: 2 of 5Sum To 2007 Nines? (in Numbers) Rating: 5.00
Posted on 2007-10-15 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Sum Two Squares (in Numbers) Rating: 3.50
Posted on 2007-11-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Color Coded Cubes (in Numbers) Rating: 3.67
Posted on 2007-10-30 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Metadivisible (in Numbers) Rating: 3.67
Posted on 2007-11-09 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5Solar System (in Numbers)
Posted on 2007-11-13 by Charlie (Solution Posted, 3 Comments)
Difficulty: 4 of 5Product Four Times Sum (in Numbers) Rating: 3.00
Posted on 2007-11-23 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Square Birthdays (in Numbers) Rating: 3.33
Posted on 2007-11-29 by Charlie (Solution Posted, 7 Comments)
Difficulty: 4 of 5And equality for all.... (in Numbers) Rating: 2.50
Posted on 2007-12-11 by Dej Mar (Solution Posted, 14 Comments)
Difficulty: 3 of 5Getting Four-Six With Nine Digits (in Numbers) Rating: 3.00
Posted on 2008-03-16 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Portuguese Squares (in Numbers) Rating: 3.00
Posted on 2008-02-10 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triangular Ring (in Numbers) Rating: 2.67
Posted on 2008-01-09 by Charlie (Solution Posted, 9 Comments)
Difficulty: 3 of 5Orders of Finish (in Numbers)
Posted on 2008-01-12 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Velvet Ties (in Numbers) Rating: 3.50
Posted on 2008-02-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Spaced Out Cent (in Numbers) Rating: 3.20
Posted on 2008-03-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Consecutive Near Palindromes (in Numbers) Rating: 3.33
Posted on 2008-02-13 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 2 of 5Factorial and a Square (in Numbers) Rating: 2.00
Posted on 2008-02-23 by Praneeth (Solution Posted, 9 Comments)
Difficulty: 3 of 5Animal Magic (in Numbers) Rating: 4.00
Posted on 2008-03-21 by Josie Faulkner (No Solution Yet, 7 Comments)
Difficulty: 3 of 5One More Factor, Please (in Numbers) Rating: 3.33
Posted on 2008-03-23 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Pandigital Squares II (in Numbers) Rating: 1.00
Posted on 2008-03-15 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Penny Piles (in Numbers) Rating: 3.00
Posted on 2008-04-09 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Two Couples (in Numbers) Rating: 3.00
Posted on 2008-04-22 by Josie Faulkner (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Sum of Powers (in Numbers) Rating: 4.00
Posted on 2008-04-21 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5TWO x SIX = TWELVE (in Numbers) Rating: 3.33
Posted on 2008-05-02 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Tri Star Issue (in Numbers) Rating: 4.00
Posted on 2008-06-01 by brianjn (Solution Posted, 17 Comments)
Difficulty: 2 of 5Rumor Rithmetic (in Numbers) Rating: 2.75
Posted on 2008-04-25 by Dennis (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Squares on Cubes (in Numbers) Rating: 3.00
Posted on 2008-04-30 by brianjn (Solution Posted, 21 Comments)
Difficulty: 3 of 5Olympic Rings (in Numbers) Rating: 4.00
Posted on 2008-06-04 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5Venn Olympics (in Numbers) Rating: 4.00
Posted on 2008-06-08 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5Fund Raiser (in Numbers) Rating: 4.00
Posted on 2008-05-01 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Beyond Fermat (in Numbers) Rating: 3.00
Posted on 2008-05-05 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Set of triplets (in Numbers) Rating: 2.00
Posted on 2008-05-08 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5Subsquares (in Numbers) Rating: 5.00
Posted on 2008-05-21 by Charlie (Solution Posted, 9 Comments)
Difficulty: 2 of 5Men, Art And Nation (in Numbers) Rating: 3.50
Posted on 2008-08-23 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Going Arithmetic With Alphametic (in Numbers) Rating: 5.00
Posted on 2008-06-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5ID Number And Digit Arrangement (in Numbers) Rating: 4.00
Posted on 2008-08-19 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Gyro Lattice 3 - Values (in Numbers)
Posted on 2008-06-22 by brianjn (Solution Posted, 6 Comments)
Difficulty: 2 of 5Pairs of primes (in Numbers) Rating: 5.00
Posted on 2008-09-21 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 3 of 5Six Digits = Triangle + Triangle (in Numbers) Rating: 3.00
Posted on 2008-08-17 by brianjn (Solution Posted, 3 Comments)
Difficulty: 3 of 5Square = Square + Square (in Numbers) Rating: 2.50
Posted on 2008-08-26 by brianjn (Solution Posted, 7 Comments)
Difficulty: 4 of 5Gyro Lattice 4 - Significant Constants (in Numbers)
Posted on 2008-08-14 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5All 10 Digits (in Numbers) Rating: 5.00
Posted on 2008-08-12 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Going pandigital with P and Q (in Numbers) Rating: 1.67
Posted on 2008-10-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum of Squares (in Numbers)
Posted on 2008-09-26 by Bractals (Solution Posted, 6 Comments)
Difficulty: 1 of 5It isn't a kajillion zillion! (in Numbers)
Posted on 2008-09-17 by Dej Mar (Solution Posted, 7 Comments)
Difficulty: 3 of 5Classroom Dice (in Numbers) Rating: 4.00
Posted on 2008-09-24 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5Singular pair of numbers (in Numbers)
Posted on 2008-11-03 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 1 of 5It isn't a kajillion zillion! II (in Numbers) Rating: 5.00
Posted on 2008-09-28 by Dej Mar (Solution Posted, 5 Comments)
Difficulty: 3 of 5THREE Triangular Numbers (in Numbers) Rating: 3.50
Posted on 2008-10-21 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Octo Vertices (in Numbers)
Posted on 2008-12-30 by brianjn (Solution Posted, 3 Comments)
Difficulty: 2 of 5Primed Palindromes (in Numbers) Rating: 5.00
Posted on 2008-12-27 by brianjn (Solution Posted, 3 Comments)
Difficulty: 2 of 5Singular squares (in Numbers)
Posted on 2008-11-23 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Arranging numbers in a row (in Numbers) Rating: 2.33
Posted on 2008-11-20 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 3 of 5one, two, six, mod alphametics (in Numbers) Rating: 5.00
Posted on 2008-11-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pretty Potent Primes II (in Numbers) Rating: 5.00
Posted on 2008-12-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5one/five = .two (in Numbers) Rating: 5.00
Posted on 2008-11-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Just ones and nines (in Numbers)
Posted on 2008-12-03 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Polygons (in Numbers)
Posted on 2008-10-29 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5Pier Operator (in Numbers) Rating: 5.00
Posted on 2008-12-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Choreography (in Numbers) Rating: 3.00
Posted on 2008-11-19 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Prime all (in Numbers)
Posted on 2008-12-01 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Prime Central (in Numbers)
Posted on 2008-12-10 by brianjn (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Geo Pyramid (in Numbers)
Posted on 2008-12-16 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Getting Squared With Dates (in Numbers) Rating: 4.00
Posted on 2008-12-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5X-ing a Division (in Numbers)
Posted on 2009-01-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5An Odd Couple (in Numbers) Rating: 4.00
Posted on 2009-01-10 by rod hines (Solution Posted, 9 Comments)
Difficulty: 2 of 5Permuting Primes Arithmetically (in Numbers) Rating: 5.00
Posted on 2009-01-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5north/south = east/west (in Numbers) Rating: 5.00
Posted on 2009-02-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Digital Sum 11 (in Numbers) Rating: 3.00
Posted on 2008-12-08 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5See the top (in Numbers) Rating: 5.00
Posted on 2009-05-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 51+5+6+7 = 21? (in Numbers)
Posted on 2009-03-12 by Charlie (Solution Posted, 8 Comments)
Difficulty: 2 of 5Elegant Exponent Exposition (in Numbers)
Posted on 2009-02-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Now, the Old Hat (in Numbers)
Posted on 2009-02-20 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5January Math Challenge in 3 Parts (in Numbers) Rating: 3.00
Posted on 2009-01-08 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5Palindromic and Tautonymic (in Numbers) Rating: 5.00
Posted on 2009-03-03 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5 X-tracting a square root (in Numbers) Rating: 5.00
Posted on 2009-03-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pandigital and Pretty Powerful (in Numbers) Rating: 5.00
Posted on 2009-03-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Powering up the digits (in Numbers) Rating: 5.00
Posted on 2009-04-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5five, four and tri (in Numbers) Rating: 4.00
Posted on 2009-04-18 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Top 40 (in Numbers) Rating: 4.50
Posted on 2009-01-29 by Charlie (Solution Posted, 11 Comments)
Difficulty: 3 of 5Non-Multiples (in Numbers)
Posted on 2009-02-10 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5ten - nine = 1 (in Numbers) Rating: 5.00
Posted on 2009-04-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Prime Time Soccer Team (in Numbers)
Posted on 2009-02-19 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Bob's Cab (in Numbers) Rating: 4.00
Posted on 2009-03-02 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Factorials to Squares (in Numbers)
Posted on 2009-02-25 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Add 1, get a square II (in Numbers) Rating: 5.00
Posted on 2009-04-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Binomial Pandigital(s) (in Numbers) Rating: 5.00
Posted on 2009-04-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Curious Cubic Constant (in Numbers) Rating: 5.00
Posted on 2009-05-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pandigital and Pretty Powerful II (in Numbers)
Posted on 2009-05-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 52N Digit Numbers (in Numbers) Rating: 5.00
Posted on 2009-05-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Pandigital and Pretty Powerful III (in Numbers) Rating: 5.00
Posted on 2009-05-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5six = five (in Numbers) Rating: 5.00
Posted on 2009-05-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Neighboring Multiples (in Numbers)
Posted on 2009-03-15 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Try, Four and Five (in Numbers)
Posted on 2009-05-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Prime square with distinct digits (in Numbers) Rating: 5.00
Posted on 2009-05-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Composite Total (in Numbers) Rating: 2.50
Posted on 2009-03-31 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pandigital and Doubly Pandigital (in Numbers)
Posted on 2009-06-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Some Digits Sum 37 (in Numbers) Rating: 5.00
Posted on 2009-06-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Pandigital and Pretty Powerful IV (in Numbers) Rating: 5.00
Posted on 2009-06-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Going Cyclic With Arithmetic (in Numbers) Rating: 4.00
Posted on 2009-06-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Dicey numbers (in Numbers)
Posted on 2009-03-27 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 5Hypercells (in Numbers) Rating: 4.00
Posted on 2009-02-02 by brianjn (Solution Posted, 11 Comments)
Difficulty: 2 of 5Pennies, Dimes, and Quarters (in Numbers) Rating: 3.50
Posted on 2009-02-17 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 2 of 5Multiply Sum and Sum of Squares (in Numbers)
Posted on 2009-06-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5THIS*THAT*IT (in Numbers) Rating: 5.00
Posted on 2009-06-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5To Know Titans (in Numbers) Rating: 5.00
Posted on 2009-06-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Near Goldbach Alphametics (in Numbers) Rating: 5.00
Posted on 2009-06-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5I Do Belong (in Numbers)
Posted on 2009-02-22 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5super powerful pandigitals (in Numbers)
Posted on 2009-02-24 by Daniel (Solution Posted, 8 Comments)
Difficulty: 3 of 5Prime Squares (in Numbers) Rating: 4.00
Posted on 2009-04-09 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Millionth Pandigital (in Numbers) Rating: 5.00
Posted on 2009-04-17 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Terminating in seven sevens (in Numbers)
Posted on 2009-06-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Taking the 5th (in Numbers) Rating: 3.00
Posted on 2009-05-03 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Going Cyclic With Geometric II (in Numbers) Rating: 5.00
Posted on 2009-07-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5North American Swim Meet (in Numbers) Rating: 2.00
Posted on 2009-04-29 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Skyscraper Counting (in Numbers)
Posted on 2009-03-16 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic and Geometric Pandigital (in Numbers) Rating: 5.00
Posted on 2009-07-16 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Numeric Anagrams (in Numbers)
Posted on 2009-03-17 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5Roman Square (in Numbers) Rating: 5.00
Posted on 2009-05-13 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Maximum SOD (in Numbers) Rating: 5.00
Posted on 2009-07-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Broken Keyboard (in Numbers) Rating: 3.00
Posted on 2009-04-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5How and When (in Numbers) Rating: 5.00
Posted on 2009-07-29 by K Sengupta (Solution Posted, 17 Comments)
Difficulty: 2 of 5Four + Five = Nine (in Numbers) Rating: 5.00
Posted on 2009-07-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Near Magic Square Alphametics (in Numbers) Rating: 5.00
Posted on 2009-07-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5B-nary (in Numbers) Rating: 1.50
Posted on 2009-04-27 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cubic Diagonals and Edges (in Numbers)
Posted on 2009-04-30 by brianjn (Solution Posted, 6 Comments)
Difficulty: 3 of 5Pairs of Prime Factors (in Numbers)
Posted on 2009-05-24 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Magic Trick (in Numbers) Rating: 5.00
Posted on 2009-05-10 by Praneeth (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Roman Trivia (in Numbers) Rating: 3.00
Posted on 2009-05-17 by Sing4TheDay (Solution Posted, 7 Comments)
Difficulty: 2 of 5CUBE = Square and, SQUARE = Cube (in Numbers) Rating: 5.00
Posted on 2009-08-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5First Digit Four (in Numbers) Rating: 5.00
Posted on 2009-08-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Piano and Potent Pane (in Numbers) Rating: 5.00
Posted on 2009-08-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Grid and Equal Subgrids (in Numbers) Rating: 5.00
Posted on 2009-08-14 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Even Corners and Equal Subgrids (in Numbers) Rating: 5.00
Posted on 2009-08-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Pandigital Processed Primes (in Numbers)
Posted on 2009-06-27 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Number = Power Remainder (in Numbers)
Posted on 2009-08-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Extreme Entireties (in Numbers)
Posted on 2009-08-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Partridge Pandigital Set (in Numbers) Rating: 4.00
Posted on 2009-07-05 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Reverse Partridge Pandigital Set (in Numbers)
Posted on 2009-07-09 by Jer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Primes Around a Square (in Numbers)
Posted on 2009-07-10 by brianjn (Solution Posted, 12 Comments)
Difficulty: 3 of 53x3 Grid Alphamagic (in Numbers) Rating: 3.00
Posted on 2009-09-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 53/9, 12/9 and 1/2 (in Numbers) Rating: 5.00
Posted on 2009-06-30 by Dej Mar (Solution Posted, 2 Comments)
Difficulty: 2 of 5Some Products Differ by 94 (in Numbers)
Posted on 2009-09-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Greek Approximation (in Numbers) Rating: 5.00
Posted on 2009-09-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Near Magic Square Alphametics II (in Numbers) Rating: 5.00
Posted on 2009-10-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Mi, Us and Amicus (in Numbers) Rating: 5.00
Posted on 2009-09-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Triangular Transcension (in Numbers) Rating: 5.00
Posted on 2009-09-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5ABCD's Of Greatest Divisor (in Numbers) Rating: 5.00
Posted on 2009-09-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Neat Aten (in Numbers) Rating: 5.00
Posted on 2009-09-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 55x5 Grid Alphamagic (in Numbers)
Posted on 2009-09-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Some summed sin and cos (in Numbers) Rating: 5.00
Posted on 2009-09-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Child Play.. (in Numbers)
Posted on 2009-08-07 by brianjn (Solution Posted, 10 Comments)
Difficulty: 2 of 5ten*ten – ten = ninety (in Numbers) Rating: 4.50
Posted on 2009-10-25 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Reknit Tinker(ed) Ratio (in Numbers) Rating: 5.00
Posted on 2009-10-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Strange Game of Poker (in Numbers)
Posted on 2009-08-11 by Sing4TheDay (Solution Posted, 3 Comments)
Difficulty: 2 of 5Year of the Roman (in Numbers) Rating: 3.00
Posted on 2009-08-21 by brianjn (Solution Posted, 5 Comments)
Difficulty: 2 of 5Priming a Square (in Numbers) Rating: 3.00
Posted on 2009-08-23 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Triangulating a Square (in Numbers)
Posted on 2009-08-26 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Rotate the Outer (in Numbers)
Posted on 2009-08-30 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime * Prime (in Numbers) Rating: 5.00
Posted on 2009-08-15 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5 Squaring a Square Grid (in Numbers) Rating: 5.00
Posted on 2009-10-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 55x5 Grid Alphamagic II (in Numbers) Rating: 3.50
Posted on 2009-10-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Fruity Alphametics (in Numbers) Rating: 3.50
Posted on 2009-10-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Three Prime Product (in Numbers) Rating: 4.00
Posted on 2009-10-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Powering up the digits II (in Numbers) Rating: 5.00
Posted on 2009-10-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 54 numbers - AP or GP (in Numbers)
Posted on 2009-09-21 by Praneeth (Solution Posted, 1 Comments)
Difficulty: 1 of 5Consecutive Semiprimes (in Numbers)
Posted on 2009-09-04 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5More Consecutive Semiprimes (in Numbers)
Posted on 2009-09-08 by Larry (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Square of Squares (in Numbers) Rating: 5.00
Posted on 2009-08-31 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Near Perfect (in Numbers)
Posted on 2009-09-06 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Palindromic and Tautonymic II (in Numbers) Rating: 4.00
Posted on 2009-12-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Legendre's Mistake (in Numbers) Rating: 5.00
Posted on 2009-09-11 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Going Cyclic With Harmonic (in Numbers)
Posted on 2009-11-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digits 0-9 (in Numbers) Rating: 4.00
Posted on 2009-11-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Fortune From Four (in Numbers) Rating: 5.00
Posted on 2009-11-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Rock n' roll alphametic (in Numbers) Rating: 4.00
Posted on 2010-03-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Near Magic Square Alphametics III (in Numbers) Rating: 5.00
Posted on 2010-03-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Chameleon Island (in Numbers)
Posted on 2009-09-25 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Exclusively Minimum Groups (in Numbers)
Posted on 2009-11-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pandigital ABCs (in Numbers)
Posted on 2009-12-28 by Dej Mar (Solution Posted, 5 Comments)
Difficulty: 3 of 5A Numeric Mix (in Numbers) Rating: 2.00
Posted on 2009-12-19 by brianjn (Solution Posted, 3 Comments)
Difficulty: 2 of 5Adjacently Greater Than One (in Numbers) Rating: 3.33
Posted on 2010-01-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5No Monochrome Sums (in Numbers)
Posted on 2009-10-14 by Jer (Solution Posted, 10 Comments)
Difficulty: 3 of 5No Monochrome Arithmetic Sequence (in Numbers) Rating: 4.00
Posted on 2009-10-19 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Double the Magic (in Numbers)
Posted on 2009-10-16 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 515-Digits and Repunit Division (in Numbers) Rating: 5.00
Posted on 2010-01-07 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Scene Seen Neatly (in Numbers) Rating: 4.00
Posted on 2010-01-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Consecutive Triangles (in Numbers)
Posted on 2009-11-29 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5Extreme Eleven Exercise (in Numbers) Rating: 4.00
Posted on 2010-01-21 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Do: RE+MI=FA (in Numbers) Rating: 3.50
Posted on 2009-11-14 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5Missing Pages (in Numbers) Rating: 3.50
Posted on 2009-11-13 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 2 of 5Postal Service (in Numbers) Rating: 3.00
Posted on 2009-11-17 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Reverse, Add, Palindrome (in Numbers) Rating: 5.00
Posted on 2009-11-27 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Prime City (in Numbers) Rating: 4.00
Posted on 2009-11-16 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Infinitely Continued III (in Numbers) Rating: 4.50
Posted on 2010-02-04 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Powering up the digits III (in Numbers) Rating: 3.00
Posted on 2010-01-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Starred Steps Start (in Numbers) Rating: 3.50
Posted on 2010-02-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5No Addition Allowed (in Numbers) Rating: 3.50
Posted on 2009-12-14 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 55-Digit Squares (in Numbers)
Posted on 2009-12-06 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Month, product and prime alphametics (in Numbers)
Posted on 2010-02-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Rattling Lettra (in Numbers) Rating: 3.00
Posted on 2010-02-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Palindromic and Tautonymic III (in Numbers) Rating: 3.00
Posted on 2010-03-23 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 4 of 5Odd primes never die (in Numbers) Rating: 3.67
Posted on 2010-05-20 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Naught and three poser (in Numbers) Rating: 3.00
Posted on 2010-03-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Product Digit Poser (in Numbers) Rating: 5.00
Posted on 2010-06-13 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Number = Sum (Digit)*Product (Digit) (in Numbers) Rating: 4.00
Posted on 2010-06-21 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 4 of 545 4218 68 *559 4218 (in Numbers) Rating: 4.00
Posted on 2010-03-16 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Up and up (in Numbers) Rating: 4.00
Posted on 2010-05-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Let's count (in Numbers) Rating: 2.50
Posted on 2010-05-16 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pretty Potent Primes III (in Numbers) Rating: 5.00
Posted on 2010-04-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Raise Aries (in Numbers) Rating: 3.00
Posted on 2010-04-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Prime Hopscotch (in Numbers) Rating: 4.00
Posted on 2010-01-06 by brianjn (Solution Posted, 17 Comments)
Difficulty: 3 of 5Gallus and Amicus (in Numbers) Rating: 5.00
Posted on 2010-04-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Unique semiprime number (in Numbers)
Posted on 2010-04-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Possible Percent Problems Part 1 (in Numbers)
Posted on 2010-01-08 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Possible Percent Problems Part 2 (in Numbers)
Posted on 2010-01-11 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Possible Percent Problems Part 3 (in Numbers)
Posted on 2010-01-15 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Possible Percent Problems Part 4 (in Numbers) Rating: 4.00
Posted on 2010-01-20 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5four or more (in Numbers) Rating: 4.00
Posted on 2010-01-25 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Counting triplets (in Numbers) Rating: 4.00
Posted on 2010-03-31 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Ordinal Days (in Numbers) Rating: 2.50
Posted on 2010-02-17 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Triangle 'magic' (in Numbers)
Posted on 2010-02-19 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Sum Square Grid Row & Column ≠ 0 (in Numbers) Rating: 3.00
Posted on 2010-04-29 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5My travel IN SOME ORDER (in Numbers) Rating: 4.00
Posted on 2010-02-01 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Lucky seven (in Numbers) Rating: 4.00
Posted on 2010-02-05 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5A streetcar named Enigma (in Numbers) Rating: 4.67
Posted on 2010-02-10 by Ady TZIDON (Solution Posted, 12 Comments)
Difficulty: 4 of 5Si fueris Romae (in Numbers) Rating: 3.60
Posted on 2010-02-12 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Hotter and hotter (in Numbers) Rating: 2.33
Posted on 2010-02-08 by Ady TZIDON (Solution Posted, 11 Comments)
Difficulty: 3 of 5eight*two = sixteen (in Numbers) Rating: 4.00
Posted on 2010-05-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5The three sides and the height (in Numbers)
Posted on 2010-02-15 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5Little cubes (in Numbers) Rating: 4.00
Posted on 2010-02-27 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Never prime! (2) (in Numbers) Rating: 5.00
Posted on 2010-09-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Pigeons will like it (in Numbers)
Posted on 2010-03-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Pythagoras knew it!! (in Numbers)
Posted on 2010-03-05 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5In Harmony with averages (in Numbers) Rating: 3.00
Posted on 2010-03-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Four or else (in Numbers) Rating: 4.00
Posted on 2010-04-11 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Prime Music Blues (in Numbers)
Posted on 2010-03-06 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Twisted TALES (in Numbers) Rating: 5.00
Posted on 2010-03-20 by brianjn (Solution Posted, 8 Comments)
Difficulty: 4 of 5Ramanujan enforced. (in Numbers) Rating: 4.00
Posted on 2010-08-02 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Sum Celebrity Concerns (in Numbers) Rating: 5.00
Posted on 2010-07-25 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 4 of 5Choose your neighbor (in Numbers)
Posted on 2010-04-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Concatenated Numbers and Divisibility (in Numbers)
Posted on 2010-06-29 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5x^3 = y^2 – 15 (in Numbers) Rating: 3.33
Posted on 2010-07-08 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 2 of 5Flying Low (in Numbers) Rating: 3.50
Posted on 2010-08-05 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Too many fours and sixes (in Numbers) Rating: 4.00
Posted on 2010-08-07 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Perfect Squares Given (in Numbers) Rating: 5.00
Posted on 2010-08-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Back to the Wall (in Numbers)
Posted on 2010-04-28 by brianjn (Solution Posted, 17 Comments)
Difficulty: 4 of 5Powerful and consecutive (in Numbers) Rating: 3.00
Posted on 2010-08-09 by Ady TZIDON (No Solution Yet, 16 Comments)
Difficulty: 2 of 5Anyway (in Numbers) Rating: 4.00
Posted on 2010-08-16 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Thomas Daley Gold (in Numbers) Rating: 4.00
Posted on 2010-03-28 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5Make it equal (in Numbers) Rating: 3.00
Posted on 2010-05-26 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5At Least Three Difference (in Numbers) Rating: 5.00
Posted on 2010-08-04 by Brian Smith (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Self-Cardinality (in Numbers) Rating: 3.00
Posted on 2010-05-07 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Goldbach revisited (in Numbers) Rating: 3.00
Posted on 2010-06-12 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Oodles of Factors II (in Numbers) Rating: 5.00
Posted on 2010-10-11 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Sum Celebrity Concerns II (in Numbers) Rating: 5.00
Posted on 2010-10-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pretty Potent Primes IV (in Numbers) Rating: 3.00
Posted on 2010-10-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Hidden Fruit (in Numbers) Rating: 4.00
Posted on 2010-05-21 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Primed to Magic (in Numbers)
Posted on 2010-05-18 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 4 of 5129 digits (in Numbers)
Posted on 2010-06-18 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5A rare event (in Numbers)
Posted on 2010-07-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5FOUR OR LESS (in Numbers) Rating: 4.00
Posted on 2010-07-05 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Another Square (in Numbers)
Posted on 2010-07-06 by brianjn (No Solution Yet, 10 Comments)
Difficulty: 3 of 55 cubes representation (in Numbers) Rating: 4.00
Posted on 2010-07-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 555th in the list (in Numbers)
Posted on 2010-10-28 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Find Fifty (in Numbers) Rating: 4.00
Posted on 2010-11-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Elegant Exponent Exposition II (in Numbers) Rating: 5.00
Posted on 2010-12-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Multiply Sum and Sum of Squares II (in Numbers) Rating: 5.00
Posted on 2010-12-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5String Theory...not quite (in Numbers)
Posted on 2010-07-27 by Andre (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Quite a Smithonian! (in Numbers) Rating: 3.00
Posted on 2010-08-21 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Prime time (in Numbers)
Posted on 2010-10-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Self-Referential (in Numbers)
Posted on 2010-07-29 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Composite? Yes. (in Numbers)
Posted on 2010-08-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Four sevens and one one. (in Numbers)
Posted on 2010-09-06 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 2 of 5Solitary Solution Settlement (in Numbers) Rating: 5.00
Posted on 2011-03-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Primed Groups (in Numbers)
Posted on 2010-09-19 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Nostra culpa (in Numbers) Rating: 3.00
Posted on 2010-09-03 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Same Mean and Median (in Numbers)
Posted on 2010-08-05 by Praneeth (No Solution Yet, 6 Comments)
Difficulty: 3 of 5129 again (in Numbers) Rating: 3.33
Posted on 2010-09-15 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Thrice three is nine (in Numbers) Rating: 4.50
Posted on 2010-09-11 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Rationalize by factorials (in Numbers) Rating: 3.50
Posted on 2010-09-22 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 53 Primes yield 12 (in Numbers) Rating: 4.00
Posted on 2010-10-07 by brianjn (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Factorionids (in Numbers)
Posted on 2010-08-28 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 3 of 53 Primes = Prime (in Numbers)
Posted on 2010-10-10 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pandigitally Powerful (in Numbers) Rating: 5.00
Posted on 2010-12-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Palindromic and Tautonymic IV (in Numbers)
Posted on 2010-12-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 55 Digit Number II (in Numbers) Rating: 5.00
Posted on 2011-01-03 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Near Goldbach Alphametics II (in Numbers)
Posted on 2011-01-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5p^7 + q^3 = r^2 (in Numbers) Rating: 5.00
Posted on 2011-01-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Verticos (in Numbers)
Posted on 2010-11-27 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Postage: 1 to N (in Numbers) Rating: 3.00
Posted on 2010-09-02 by Charlie (Solution Posted, 5 Comments)
Difficulty: 4 of 5Big, super and prime (in Numbers) Rating: 3.00
Posted on 2010-10-20 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Who is afraid of 7 (or 23) ? (in Numbers)
Posted on 2010-11-08 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Heiro's Wager (in Numbers) Rating: 4.00
Posted on 2010-09-08 by broll (Solution Posted, 3 Comments)
Difficulty: 2 of 5Slowing by snowing (in Numbers)
Posted on 2010-09-13 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5English, French, and German (in Numbers)
Posted on 2010-09-20 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5No way to run a railroad. (in Numbers)
Posted on 2010-10-01 by broll (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Increase in number of factors. (in Numbers)
Posted on 2010-10-05 by Vishal Gupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Prime-Time Ant (in Numbers)
Posted on 2010-10-05 by broll (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Divides them all.... (in Numbers)
Posted on 2010-11-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Primes in Squares (in Numbers)
Posted on 2010-10-19 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Data Disorder (in Numbers)
Posted on 2010-10-30 by broll (Solution Posted, 0 Comments)
Difficulty: 2 of 5Sum, Times, I Wonder..(2) (in Numbers) Rating: 5.00
Posted on 2011-04-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Square Alphametics (in Numbers) Rating: 5.00
Posted on 2011-04-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Powering up the digits IV (in Numbers)
Posted on 2011-04-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reverse Square to Prime (in Numbers)
Posted on 2010-12-14 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Semiprime Names (in Numbers)
Posted on 2010-12-06 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Count them (in Numbers)
Posted on 2010-11-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Seven come eleven (in Numbers) Rating: 4.00
Posted on 2010-12-11 by Ady TZIDON (Solution Posted, 13 Comments)
Difficulty: 3 of 5Three 3 digit numbers using 1-9 (in Numbers) Rating: 2.50
Posted on 2010-11-11 by Vishal Gupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Ambiguous PIN Code (in Numbers) Rating: 2.50
Posted on 2010-11-17 by Charlie (Solution Posted, 9 Comments)
Difficulty: 4 of 5The Armies of the Djinn. (in Numbers)
Posted on 2010-12-09 by broll (Solution Posted, 3 Comments)
Difficulty: 3 of 5Single or double (in Numbers) Rating: 4.00
Posted on 2010-12-24 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Sum number equals integer (in Numbers)
Posted on 2011-06-11 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Fermat+1 (in Numbers)
Posted on 2010-12-22 by broll (Solution Posted, 3 Comments)
Difficulty: 1 of 5only one (in Numbers) Rating: 4.50
Posted on 2010-12-28 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Powers of primes (in Numbers)
Posted on 2011-01-06 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Scarce primes (in Numbers) Rating: 3.67
Posted on 2011-01-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5A versatile number (in Numbers) Rating: 5.00
Posted on 2014-10-13 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5 EVEN remains even (in Numbers) Rating: 4.00
Posted on 2011-02-20 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Happy New Year (in Numbers)
Posted on 2011-01-01 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Get the last digit (in Numbers) Rating: 4.00
Posted on 2011-01-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Just P&P (in Numbers) Rating: 4.00
Posted on 2011-01-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Forecasting dates (in Numbers)
Posted on 2011-01-27 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Start as you wish (in Numbers)
Posted on 2011-01-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Forty- niners (in Numbers) Rating: 4.00
Posted on 2011-02-01 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5No primes (in Numbers) Rating: 4.33
Posted on 2011-01-08 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Semiprime Switch (in Numbers) Rating: 5.00
Posted on 2011-01-18 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Prime = Sqrt of Summed Primes (in Numbers) Rating: 2.00
Posted on 2011-03-06 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Get the last digit II (in Numbers) Rating: 4.00
Posted on 2011-02-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A cool prime number (in Numbers) Rating: 4.00
Posted on 2011-01-27 by Math Man (Solution Posted, 3 Comments)
Difficulty: 2 of 5Contestants in a Circle (in Numbers)
Posted on 2011-01-31 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 52011 = Sum of Squares (in Numbers)
Posted on 2011-06-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Send less money (in Numbers) Rating: 5.00
Posted on 2011-07-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Squaring Up The Digits (in Numbers)
Posted on 2011-07-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pythagoras Unconventional (in Numbers) Rating: 4.00
Posted on 2011-02-10 by brianjn (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Three W answers (in Numbers) Rating: 4.00
Posted on 2011-02-27 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Who`s on the right base? (in Numbers)
Posted on 2011-03-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 5 of 5How far can you go? (in Numbers) Rating: 4.00
Posted on 2011-03-04 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Factorial zeros (in Numbers) Rating: 5.00
Posted on 2011-02-17 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A fun prime number (in Numbers) Rating: 5.00
Posted on 2011-02-15 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Pythagoras Irrational (in Numbers)
Posted on 2011-03-01 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Short and sweet (in Numbers)
Posted on 2011-02-21 by broll (Solution Posted, 4 Comments)
Difficulty: 2 of 5Atlas From a Map (in Numbers)
Posted on 2011-02-22 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Another Quickie (in Numbers)
Posted on 2011-03-13 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5Super Ken (in Numbers)
Posted on 2011-03-03 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5My stock (in Numbers) Rating: 4.33
Posted on 2011-03-19 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Back to the base (in Numbers) Rating: 3.00
Posted on 2011-03-30 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Twice true (in Numbers) Rating: 4.50
Posted on 2011-03-24 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Find the area (in Numbers) Rating: 4.00
Posted on 2011-04-08 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Prime times (in Numbers) Rating: 4.00
Posted on 2011-03-18 by Math Man (Solution Posted, 2 Comments)
Difficulty: 3 of 5Celebrity Squares (in Numbers)
Posted on 2011-03-29 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5Lacsap's Triangle (in Numbers) Rating: 4.00
Posted on 2011-03-31 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Square Semiprime Sums (in Numbers)
Posted on 2011-04-12 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Shrinkable numbers (in Numbers) Rating: 5.00
Posted on 2011-04-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum, Times, I Wonder..(3) (in Numbers)
Posted on 2011-08-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Product Sum Settlement (in Numbers)
Posted on 2011-09-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Kth power and Consecutive Concern - Generalisation (in Numbers)
Posted on 2011-04-16 by broll (Solution Posted, 0 Comments)
Difficulty: 3 of 5Unconsecutive-summables (in Numbers)
Posted on 2011-04-14 by Jer (Solution Posted, 3 Comments)
Difficulty: 2 of 5Numeric Keypad (in Numbers)
Posted on 2011-04-15 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5Tzidon's enigma (in Numbers) Rating: 4.00
Posted on 2011-06-01 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Catering to sportsmen's whims (in Numbers) Rating: 5.00
Posted on 2011-09-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Toggle a Combo (in Numbers) Rating: 3.00
Posted on 2011-07-10 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prime Test (1) (in Numbers) Rating: 4.00
Posted on 2011-04-25 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Carol's Birthday (in Numbers)
Posted on 2011-04-26 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Prime Test (2) (in Numbers)
Posted on 2011-05-08 by broll (Solution Posted, 3 Comments)
Difficulty: 2 of 5Conic Curiosity (in Numbers)
Posted on 2011-05-19 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5A PowerSum Puzzle (in Numbers)
Posted on 2014-08-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Samba Primes (in Numbers) Rating: 3.60
Posted on 2011-06-14 by broll (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Prime Test (3) - Final (in Numbers)
Posted on 2011-06-25 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Square Concatenation (in Numbers)
Posted on 2011-09-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Looking for n (2) (in Numbers)
Posted on 2011-11-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Momentous Multiple (in Numbers)
Posted on 2011-11-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Curious concatenations (in Numbers)
Posted on 2014-10-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Superprimes (in Numbers) Rating: 3.00
Posted on 2011-07-18 by Math Man (Solution Posted, 2 Comments)
Difficulty: 2 of 5Find a Frenzy Fibo (in Numbers)
Posted on 2014-08-06 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Hi there, Pascal (in Numbers)
Posted on 2014-09-01 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 52 pandigital equations (in Numbers)
Posted on 2014-09-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Half odd, half even (in Numbers)
Posted on 2014-10-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Test #1 (in Numbers)
Posted on 2014-07-29 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5No primes 2 (in Numbers) Rating: 4.00
Posted on 2011-07-29 by Math Man (Solution Posted, 2 Comments)
Difficulty: 4 of 5'Magic' Cube (in Numbers)
Posted on 2011-08-09 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Not true (in Numbers)
Posted on 2014-07-17 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 1 of 5P,Sq,P (in Numbers)
Posted on 2014-07-21 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Last digit counts (in Numbers)
Posted on 2014-07-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5A periodical fraction (in Numbers) Rating: 1.50
Posted on 2014-07-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 559 in one way (in Numbers) Rating: 4.00
Posted on 2011-08-13 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Prime Magic Square (in Numbers) Rating: 5.00
Posted on 2011-08-04 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Two expressions (in Numbers) Rating: 5.00
Posted on 2011-12-22 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 512 ways (in Numbers)
Posted on 2011-09-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 51st+2nd=3rd (in Numbers) Rating: 5.00
Posted on 2011-09-14 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Concerning combinatorics (in Numbers) Rating: 4.50
Posted on 2011-10-04 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 58s and 9s (in Numbers) Rating: 5.00
Posted on 2011-12-21 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Sweet 17 (in Numbers)
Posted on 2011-09-05 by broll (Solution Posted, 3 Comments)
Difficulty: 5 of 5Build one – get two free (in Numbers) Rating: 4.50
Posted on 2011-10-08 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Frog Frolics (in Numbers)
Posted on 2011-11-15 by broll (Solution Posted, 6 Comments)
Difficulty: 3 of 5HeaRT OF VENUS (in Numbers)
Posted on 2011-09-18 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 1 of 5A quicky: (in Numbers) Rating: 5.00
Posted on 2011-11-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime Square Dice (in Numbers) Rating: 4.00
Posted on 2011-09-10 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 51000 ways (in Numbers)
Posted on 2011-09-23 by broll (Solution Posted, 5 Comments)
Difficulty: 2 of 5Surf City Semiprimes (in Numbers)
Posted on 2011-09-27 by broll (Solution Posted, 4 Comments)
Difficulty: 3 of 5Salsa-metics (in Numbers)
Posted on 2011-10-16 by broll (Solution Posted, 3 Comments)
Difficulty: 3 of 5Squares by the dozen (in Numbers)
Posted on 2011-10-13 by broll (Solution Posted, 2 Comments)
Difficulty: 4 of 5Nickki Primes (in Numbers)
Posted on 2011-10-18 by broll (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Find my number (in Numbers) Rating: 4.00
Posted on 2011-12-19 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 2 of 5From primes to palindrome (in Numbers) Rating: 5.00
Posted on 2012-03-24 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 5A repunit number (in Numbers) Rating: 4.00
Posted on 2011-12-26 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5More about 1729 (in Numbers) Rating: 5.00
Posted on 2012-01-04 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Find out (in Numbers)
Posted on 2012-01-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Magic 46 (in Numbers)
Posted on 2011-11-03 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Guessing Game (in Numbers) Rating: 5.00
Posted on 2014-05-16 by tomarken (No Solution Yet, 19 Comments)
Difficulty: 3 of 53 features (in Numbers)
Posted on 2014-07-08 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Make one hundred (in Numbers) Rating: 5.00
Posted on 2014-05-17 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5F. to P. generator (in Numbers) Rating: 5.00
Posted on 2014-06-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Fibo again (in Numbers)
Posted on 2014-06-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Sequence containing itself (in Numbers)
Posted on 2014-05-14 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Weird numbers (in Numbers)
Posted on 2014-05-02 by Math Man (Solution Posted, 2 Comments)
Difficulty: 4 of 5DIY prime magic (in Numbers)
Posted on 2012-01-13 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Net Coverage (in Numbers)
Posted on 2012-02-02 by Dustin (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Three digits - all prime! (in Numbers) Rating: 3.67
Posted on 2012-02-01 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime-go-round (in Numbers)
Posted on 2012-02-06 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Special primes (in Numbers) Rating: 5.00
Posted on 2012-02-12 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Squarely Primed (in Numbers) Rating: 4.00
Posted on 2012-02-04 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Alternating Pascal (in Numbers)
Posted on 2011-12-08 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Equality of ends (in Numbers) Rating: 4.00
Posted on 2012-03-04 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 53 causes 7 (in Numbers) Rating: 4.00
Posted on 2012-03-10 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Closest to e (in Numbers)
Posted on 2012-04-18 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Nod to fife and food (in Numbers) Rating: 4.67
Posted on 2012-06-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Nevo and Oven (in Numbers) Rating: 4.00
Posted on 2012-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime Selection (in Numbers)
Posted on 2012-04-03 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Prime or divisible by 3 (in Numbers) Rating: 4.00
Posted on 2011-12-23 by Math Man (Solution Posted, 1 Comments)
Difficulty: 3 of 5Numeric Meld (in Numbers)
Posted on 2012-01-06 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Making a Multiple of Four (in Numbers)
Posted on 2014-04-30 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5The wine is so-so, but... (in Numbers) Rating: 3.75
Posted on 2012-04-06 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Multi-Birth Convention (in Numbers) Rating: 4.00
Posted on 2012-01-05 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 52012 Equal Expressions (in Numbers) Rating: 1.00
Posted on 2012-07-15 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Additive years (in Numbers) Rating: 5.00
Posted on 2012-08-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Members' quorum (in Numbers)
Posted on 2014-08-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pi repeats (in Numbers) Rating: 5.00
Posted on 2012-02-29 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Simultaneous Operations - Pairs (in Numbers)
Posted on 2012-03-03 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Three Digit Trial revisited (in Numbers) Rating: 3.50
Posted on 2014-06-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Simultaneous Operations - Tiles (in Numbers)
Posted on 2012-03-13 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Why Haydn ? (in Numbers)
Posted on 2014-05-21 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Odd numbers (in Numbers)
Posted on 2014-04-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Half of 4X4 (in Numbers)
Posted on 2014-04-24 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Trivia (in Numbers)
Posted on 2014-04-21 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 5Neighbors (in Numbers)
Posted on 2014-04-18 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Increase or decrease by one (in Numbers)
Posted on 2014-04-22 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Simultaneous Operations - Tiles Jeopardy (in Numbers)
Posted on 2012-03-25 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Without you (in Numbers)
Posted on 2014-04-30 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pandigital concatenations (in Numbers)
Posted on 2014-05-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 55 unknown digits (in Numbers)
Posted on 2014-05-13 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5The highest prime (in Numbers)
Posted on 2014-05-16 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5A progressive addition (in Numbers)
Posted on 2014-05-19 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Prime Tours (in Numbers)
Posted on 2012-04-08 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Uncrossable Measured Wall (in Numbers)
Posted on 2012-04-10 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 2 of 5682 (in Numbers) Rating: 4.00
Posted on 2012-04-13 by brianjn (Solution Posted, 12 Comments)
Difficulty: 3 of 5A beast in a pie (in Numbers)
Posted on 2012-05-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5 A number pyramid (in Numbers)
Posted on 2012-05-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5DO MAGIC (in Numbers)
Posted on 2012-03-27 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mirror, mirror (in Numbers) Rating: 5.00
Posted on 2012-05-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Special palindromes (in Numbers)
Posted on 2012-05-11 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Minimal Primes (in Numbers) Rating: 4.67
Posted on 2012-04-24 by Math Man (Solution Posted, 5 Comments)
Difficulty: 1 of 5Consecutive digits (in Numbers)
Posted on 2012-08-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Awesome Level (in Numbers)
Posted on 2012-09-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Three Fractions II (in Numbers) Rating: 3.00
Posted on 2012-10-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5my house's number II (in Numbers)
Posted on 2012-10-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Twice nine (in Numbers)
Posted on 2012-05-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5 The smallest sum (in Numbers) Rating: 4.67
Posted on 2012-06-02 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Use all nine (in Numbers) Rating: 5.00
Posted on 2012-06-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find this cube! (in Numbers) Rating: 4.20
Posted on 2012-06-16 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5Equal digits (in Numbers) Rating: 4.00
Posted on 2012-06-11 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 4 of 5Complementary, my dear Watson (in Numbers) Rating: 5.00
Posted on 2012-06-22 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Normal or not? (in Numbers)
Posted on 2012-04-29 by broll (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Prime Triplet (in Numbers) Rating: 4.67
Posted on 2012-05-19 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Prime, anyway (in Numbers) Rating: 3.00
Posted on 2012-06-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5One is k times the other (in Numbers)
Posted on 2012-06-25 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sum of primes is a square (in Numbers) Rating: 5.00
Posted on 2012-06-29 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 51707 (in Numbers) Rating: 3.00
Posted on 2012-08-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A Pythagorean triplet (in Numbers) Rating: 5.00
Posted on 2012-08-28 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Less than ten thou (in Numbers) Rating: 5.00
Posted on 2012-08-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Getting closer to three targets (in Numbers) Rating: 5.00
Posted on 2012-07-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Magnificent Eleven (in Numbers) Rating: 4.00
Posted on 2012-07-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 599 for odd powers (in Numbers) Rating: 3.67
Posted on 2012-07-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Stella Octangula (in Numbers)
Posted on 2012-06-03 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Produce More (in Numbers) Rating: 5.00
Posted on 2012-05-29 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 51232 is HERE (in Numbers) Rating: 3.00
Posted on 2012-07-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A powerful s.o.d. (in Numbers)
Posted on 2012-08-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 5A quicky (in Numbers) Rating: 5.00
Posted on 2012-07-31 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5The smallest sum II (in Numbers)
Posted on 2012-06-10 by broll (Solution Posted, 3 Comments)
Difficulty: 4 of 5Electronic Lock (in Numbers)
Posted on 2012-06-23 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 58675309 (in Numbers)
Posted on 2014-02-26 by Math Man (Solution Posted, 2 Comments)
Difficulty: 3 of 5Product of Sum and Product (in Numbers)
Posted on 2012-06-21 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5Wilson the 3rd (in Numbers)
Posted on 2012-08-07 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Consecutive Contemplation (in Numbers)
Posted on 2012-11-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5One equation with nine unknowns! (2) (in Numbers) Rating: 5.00
Posted on 2012-12-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Subtractive years (in Numbers) Rating: 5.00
Posted on 2012-12-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Some cubes! (in Numbers)
Posted on 2012-08-10 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 586 at most (in Numbers)
Posted on 2012-08-18 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 55th powers (in Numbers) Rating: 3.50
Posted on 2012-08-30 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Pandoprime (in Numbers)
Posted on 2012-09-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A palindrome product (in Numbers) Rating: 5.00
Posted on 2012-09-05 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Sixes and Sevens--Not! (in Numbers) Rating: 5.00
Posted on 2012-08-12 by Charlie (Solution Posted, 33 Comments)
Difficulty: 3 of 5A frugal sequence (in Numbers) Rating: 5.00
Posted on 2012-09-14 by Ady TZIDON (Solution Posted, 13 Comments)
Difficulty: 2 of 5Though this be madness, yet there is method in it... (in Numbers) Rating: 4.33
Posted on 2012-09-20 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Border Magic (in Numbers)
Posted on 2012-12-11 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The number p (in Numbers) Rating: 4.00
Posted on 2012-08-19 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Where 2^n leads, 3^n cannot be far behind... (in Numbers)
Posted on 2012-08-24 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5Exploring HCNs (in Numbers)
Posted on 2012-10-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Upside down (OEIS A045573) (in Numbers)
Posted on 2014-04-11 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Magical Magician (in Numbers) Rating: 3.50
Posted on 2013-02-23 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Baking the best pie (in Numbers) Rating: 4.00
Posted on 2012-11-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Long(infinite?) way to create a palindrome (in Numbers)
Posted on 2012-11-04 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Yes we can (in Numbers) Rating: 2.50
Posted on 2012-11-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5A square is a cube (in Numbers) Rating: 3.00
Posted on 2012-11-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Go count (in Numbers) Rating: 5.00
Posted on 2012-12-11 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Cute Divisibility (in Numbers)
Posted on 2013-01-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisibility of factorials (in Numbers)
Posted on 2012-12-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisibility of factorials II (in Numbers)
Posted on 2013-01-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5USA = n*UK (in Numbers)
Posted on 2013-01-21 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5An interesting sequence (in Numbers) Rating: 4.00
Posted on 2012-11-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Told by an integer (in Numbers) Rating: 4.00
Posted on 2013-01-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three neighbours (in Numbers)
Posted on 2013-03-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5GCD of Fibonacci (in Numbers)
Posted on 2012-12-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5N 9 Terminations (in Numbers)
Posted on 2012-11-11 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A little Generalization (in Numbers)
Posted on 2012-12-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Transfer of initial digit (in Numbers)
Posted on 2012-12-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5All(?) about SEQ (in Numbers) Rating: 5.00
Posted on 2012-12-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digit permutation (in Numbers)
Posted on 2013-03-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mileage Muse (in Numbers) Rating: 5.00
Posted on 2013-03-26 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 1 of 5Prime only as it is (in Numbers)
Posted on 2013-01-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Disk Magic (in Numbers)
Posted on 2012-11-30 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 1 of 5A Quicky II (in Numbers)
Posted on 2014-04-03 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5No-primes sequence (in Numbers)
Posted on 2014-04-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5What digit? (in Numbers)
Posted on 2014-04-08 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 1 of 511 does not divide any of them (in Numbers)
Posted on 2012-12-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The 73rd digit (in Numbers)
Posted on 2013-01-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rocking digits (in Numbers)
Posted on 2013-02-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Finding numbers (in Numbers)
Posted on 2013-02-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Dual Prime Magic (in Numbers) Rating: 4.00
Posted on 2013-01-02 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Just arithmetic signs (in Numbers) Rating: 2.33
Posted on 2012-12-28 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Perfect squares (in Numbers) Rating: 4.00
Posted on 2013-02-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Summing Ones (in Numbers)
Posted on 2013-02-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sadism (in Numbers)
Posted on 2012-12-24 by brianjn (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Stupid number trick V (in Numbers) Rating: 1.50
Posted on 2013-04-09 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Dangerous Expression for Rationals (in Numbers)
Posted on 2013-03-31 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 1 of 5The 1234 Problem (in Numbers)
Posted on 2013-09-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Not represented (in Numbers) Rating: 4.00
Posted on 2013-02-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Divisibility of 29 (in Numbers) Rating: 4.00
Posted on 2013-05-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5No comments (in Numbers) Rating: 3.50
Posted on 2013-05-07 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Squares and Cubes II (in Numbers) Rating: 3.00
Posted on 2013-05-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Strings of Nines (in Numbers)
Posted on 2013-05-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Seven - with and without (in Numbers) Rating: 3.67
Posted on 2013-08-09 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Ring in 2013 (in Numbers) Rating: 4.00
Posted on 2012-12-31 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Pandigital? (in Numbers)
Posted on 2013-01-25 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5A chain of odds (in Numbers)
Posted on 2013-01-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A crowd of knights (in Numbers)
Posted on 2013-01-14 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Prime it remains (in Numbers) Rating: 4.00
Posted on 2013-01-15 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Off by one (in Numbers) Rating: 4.00
Posted on 2013-01-18 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 59 distinct digits in 3 products (in Numbers) Rating: 4.00
Posted on 2013-01-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Ecin reversal! (in Numbers)
Posted on 2013-03-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5On congruent numbers (in Numbers) Rating: 5.00
Posted on 2013-02-24 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A false claim (in Numbers)
Posted on 2013-02-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Prime source (in Numbers)
Posted on 2013-02-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An Alpha Spell (in Numbers)
Posted on 2013-01-03 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Triple 8 (in Numbers) Rating: 3.00
Posted on 2013-01-08 by Math Man (Solution Posted, 9 Comments)
Difficulty: 3 of 5Four Elements (in Numbers)
Posted on 2013-02-14 by brianjn (Solution Posted, 1 Comments)
Difficulty: 2 of 54 sixes (in Numbers)
Posted on 2013-03-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5True Geometry (in Numbers)
Posted on 2013-03-07 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5No Soiree (in Numbers) Rating: 3.00
Posted on 2013-02-07 by brianjn (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Conga Primes (in Numbers) Rating: 3.00
Posted on 2013-03-23 by broll (Solution Posted, 11 Comments)
Difficulty: 4 of 5UN cargo (in Numbers) Rating: 4.50
Posted on 2013-03-13 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Goldbach revisited (in Numbers)
Posted on 2013-03-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Numerators sum also (in Numbers)
Posted on 2014-01-13 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Years & numbers (in Numbers)
Posted on 2014-04-02 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5All but one (in Numbers)
Posted on 2013-03-13 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5So many ways.... (in Numbers)
Posted on 2013-03-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Bartender to his apprentice: (in Numbers)
Posted on 2013-03-26 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5 Analyzing LOTTO (in Numbers)
Posted on 2013-03-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Rationalism (in Numbers)
Posted on 2013-06-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pascal Triangle (in Numbers)
Posted on 2013-07-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Repeated part divisible by 9 (in Numbers)
Posted on 2013-03-22 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Easy Findings (in Numbers)
Posted on 2013-06-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Infinite Product (in Numbers)
Posted on 2013-06-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Digital Factorial (in Numbers)
Posted on 2013-07-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5The Seventh Power (in Numbers)
Posted on 2013-07-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Simple Thinking (in Numbers)
Posted on 2013-07-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Factorials AND Powers (in Numbers)
Posted on 2013-07-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5As low as possible (in Numbers) Rating: 2.00
Posted on 2013-04-12 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Irrational ^ Irrational = Rational (in Numbers)
Posted on 2013-03-27 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Infinite Binary Tree (in Numbers)
Posted on 2013-04-11 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Odd steps (in Numbers)
Posted on 2013-05-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Upside Down LCD Display (in Numbers)
Posted on 2013-07-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Squarely Sorted (in Numbers)
Posted on 2013-07-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5An Elusive Quadratic (in Numbers)
Posted on 2013-08-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5As easy as 123 (in Numbers)
Posted on 2013-10-25 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Powers often in other bases. (in Numbers)
Posted on 2013-04-07 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 58 dice, 3 questions (in Numbers)
Posted on 2013-11-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Four Reals (in Numbers)
Posted on 2013-05-10 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Fibo and GCD (in Numbers)
Posted on 2013-05-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Generalize (in Numbers)
Posted on 2013-05-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Wild and Wooley Numbers (in Numbers)
Posted on 2013-08-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A 6-digit answer (in Numbers)
Posted on 2013-11-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5play with digit (in Numbers)
Posted on 2013-09-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5How high? (in Numbers) Rating: 4.00
Posted on 2014-03-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A partial deck (in Numbers)
Posted on 2014-03-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Summing the factorials (in Numbers)
Posted on 2014-03-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Seven come eleven II (in Numbers)
Posted on 2014-03-16 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5About two and seven (in Numbers)
Posted on 2014-03-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Words count (in Numbers)
Posted on 2014-03-25 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Q: What is this sum? (in Numbers)
Posted on 2013-05-31 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime Fibonacci numbers (in Numbers)
Posted on 2013-05-03 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Primes vs ones (in Numbers)
Posted on 2014-03-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisibility of N (in Numbers)
Posted on 2013-06-15 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5LCM equation (in Numbers) Rating: 4.33
Posted on 2013-11-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5All bases comply (in Numbers) Rating: 2.00
Posted on 2013-06-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Any others? (in Numbers)
Posted on 2013-06-18 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Divisibility wanted (in Numbers)
Posted on 2013-09-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Two top targets (in Numbers)
Posted on 2013-09-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Listing cubes (in Numbers) Rating: 4.50
Posted on 2013-10-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5One is a sum (in Numbers)
Posted on 2013-07-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5It's now out! (in Numbers)
Posted on 2013-07-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Eleven is a factor (in Numbers)
Posted on 2013-09-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 54b4N & after (in Numbers) Rating: 3.00
Posted on 2013-07-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Maximizing sum (in Numbers)
Posted on 2013-07-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Remember that (in Numbers) Rating: 3.67
Posted on 2013-07-30 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Round Results (in Numbers)
Posted on 2013-08-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5FOUR SQUARES (in Numbers)
Posted on 2013-08-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Mission impossible II (in Numbers)
Posted on 2013-08-26 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5All zeroes solution (in Numbers)
Posted on 2013-09-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5NegaFibo series (in Numbers)
Posted on 2013-08-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5From hints to a missing digit (in Numbers)
Posted on 2013-09-13 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Next year (in Numbers) Rating: 4.00
Posted on 2013-09-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime candidates (in Numbers)
Posted on 2013-09-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Staggered divisibility (in Numbers)
Posted on 2013-09-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Big areas (in Numbers)
Posted on 2013-09-17 by Ady TZIDON (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Prime with distinct digits (in Numbers)
Posted on 2013-09-18 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hobsons choice(?) (in Numbers) Rating: 4.00
Posted on 2013-10-10 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Restore from scratches (in Numbers) Rating: 4.00
Posted on 2013-10-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 52-D number guessing. (in Numbers)
Posted on 2013-09-23 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5No multiplication allowed (in Numbers)
Posted on 2013-10-17 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Repunits and bases (in Numbers)
Posted on 2013-07-24 by Math Man (Solution Posted, 6 Comments)
Difficulty: 3 of 5The Far Sides (in Numbers)
Posted on 2013-08-08 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Two possible sums (in Numbers)
Posted on 2013-11-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Space Balls - the NEW luggage combination (in Numbers)
Posted on 2013-08-15 by jduval (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pidigital primes (in Numbers)
Posted on 2013-08-15 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sudoprime (in Numbers) Rating: 4.00
Posted on 2013-09-04 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Covert Quantity IV (in Numbers)
Posted on 2013-11-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5mistakes (in Numbers)
Posted on 2013-09-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Trigo computation (in Numbers)
Posted on 2013-10-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Five by Five (in Numbers)
Posted on 2013-10-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Eve & Odd (in Numbers) Rating: 4.00
Posted on 2013-11-22 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 58 Dice II (in Numbers)
Posted on 2013-12-03 by Charlie (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Sum of Cubes (in Numbers)
Posted on 2013-10-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 1 of 5Fill In The Blanks (in Numbers)
Posted on 2013-10-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Four Digits (in Numbers) Rating: 4.00
Posted on 2013-11-05 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Consecutive Additions (in Numbers) Rating: 3.00
Posted on 2013-11-12 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Four Egyptian Fractions (in Numbers)
Posted on 2013-11-13 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Last but not the least (in Numbers)
Posted on 2013-12-12 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Reverso (in Numbers)
Posted on 2014-02-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Continued Multiples (in Numbers) Rating: 3.50
Posted on 2013-11-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5APPLE + LEMON = BANANA (in Numbers)
Posted on 2013-12-04 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 51998 (in Numbers)
Posted on 2013-12-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5All 1's (in Numbers)
Posted on 2013-12-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A sum of 3 (in Numbers)
Posted on 2013-12-27 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Palindromic and prime (in Numbers)
Posted on 2013-12-30 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Advanced alphametics (in Numbers)
Posted on 2014-01-17 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5A quotation (in Numbers)
Posted on 2014-01-07 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Warm/Cool Number Guessing (in Numbers)
Posted on 2013-09-30 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Coin flips (in Numbers) Rating: 4.00
Posted on 2014-01-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 58_Primes I (in Numbers)
Posted on 2013-10-09 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 58_Primes II (in Numbers)
Posted on 2013-10-15 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 58_Primes III (in Numbers)
Posted on 2013-10-21 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Summing up the dividers' dividers (in Numbers)
Posted on 2014-01-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 58_Primes IV (in Numbers)
Posted on 2013-11-06 by brianjn (Solution Posted, 1 Comments)
Difficulty: 2 of 5Algebra and Primes (in Numbers) Rating: 4.00
Posted on 2013-12-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Maximizing Matches Model (in Numbers)
Posted on 2014-01-22 by Ady TZIDON (Solution Posted, 16 Comments)
Difficulty: 2 of 5Trigonometric product (in Numbers) Rating: 4.00
Posted on 2013-12-29 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Traveller's Woe (in Numbers)
Posted on 2013-11-05 by brianjn (Solution Posted, 2 Comments)
Difficulty: 2 of 5Deduction Problem (in Numbers)
Posted on 2014-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Prime+reversal= prime (in Numbers)
Posted on 2014-03-04 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5A permuted multiplication (in Numbers)
Posted on 2014-03-11 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Four special squares (in Numbers)
Posted on 2014-01-30 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 5A Quicky III (in Numbers) Rating: 5.00
Posted on 2014-04-09 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Remove last three to get cube root (in Numbers)
Posted on 2014-02-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5All Odds (in Numbers)
Posted on 2014-02-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5sum Up (in Numbers)
Posted on 2014-02-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Minimizing Trigo value (in Numbers) Rating: 4.00
Posted on 2014-03-02 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Six sets (in Numbers)
Posted on 2014-02-17 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Distinct Decimal Digits (in Numbers) Rating: 4.00
Posted on 2014-10-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5One by two (in Numbers) Rating: 3.50
Posted on 2014-10-22 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Fridays (in Numbers)
Posted on 2014-11-03 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5My numbers (in Numbers) Rating: 3.00
Posted on 2014-11-14 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Hours of Operation (in Numbers) Rating: 3.00
Posted on 2014-11-12 by Paul (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Phrase a question II (in Numbers) Rating: 2.00
Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Eliot Ness meets Paul Erdős (in Numbers) Rating: 3.00
Posted on 2015-01-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 54 clues (in Numbers)
Posted on 2015-01-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Be consistent (in Numbers) Rating: 5.00
Posted on 2015-02-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A simple gematria (in Numbers) Rating: 5.00
Posted on 2015-02-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Some special sums (in Numbers)
Posted on 2015-02-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Mr Mar & Mrs Bles (in Numbers) Rating: 3.00
Posted on 2015-02-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Squeeze between neighbors (in Numbers)
Posted on 2015-03-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Easy as One, Two, Three (in Numbers)
Posted on 2015-01-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Bound the product (in Numbers)
Posted on 2015-02-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Integral Proof (in Numbers)
Posted on 2015-01-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Phrase a question I (in Numbers)
Posted on 2015-02-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The final quantity (in Numbers)
Posted on 2015-02-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A modified die (in Numbers)
Posted on 2015-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5ProSum Numbers (in Numbers)
Posted on 2015-01-28 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Integer Triplets with a Difference (in Numbers)
Posted on 2015-01-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Self-Terminating Sequence (in Numbers)
Posted on 2015-01-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ellis Number (in Numbers)
Posted on 2015-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Happy Numbers (in Numbers) Rating: 3.00
Posted on 2015-02-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Palindromes from Digit Sum Series (in Numbers) Rating: 3.00
Posted on 2015-02-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The LSD of Prime Numbers (in Numbers)
Posted on 2015-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 53 sets of primes (in Numbers)
Posted on 2015-03-08 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Not too much (in Numbers)
Posted on 2015-02-20 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Some powers decomposed (in Numbers)
Posted on 2015-04-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Next year vs the current year (in Numbers) Rating: 4.00
Posted on 2015-02-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Prime and perfect (in Numbers)
Posted on 2015-02-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Contradict Goldbach (in Numbers) Rating: 1.00
Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Approximating radicals (in Numbers) Rating: 4.00
Posted on 2015-02-17 by Jer (No Solution Yet, 4 Comments)
Difficulty: 1 of 5A Quickie (in Numbers)
Posted on 2015-03-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5123456789 scrambled (in Numbers)
Posted on 2015-03-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Growing fast (in Numbers)
Posted on 2015-03-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Neighboring tickets (in Numbers) Rating: 4.00
Posted on 2015-03-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Poor primes (in Numbers)
Posted on 2015-05-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Composite prime (in Numbers) Rating: 5.00
Posted on 2015-02-24 by Math Man (Solution Posted, 2 Comments)
Difficulty: 2 of 5Buddy, can you spare a buck? (in Numbers)
Posted on 2015-04-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Some sums (in Numbers) Rating: 4.00
Posted on 2015-04-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Roman palindrome (in Numbers)
Posted on 2015-04-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Long chain (in Numbers)
Posted on 2015-04-10 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 51 to 9 concatenation (in Numbers)
Posted on 2016-04-12 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Largest palindrome (in Numbers)
Posted on 2015-04-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 55 76993 408621 (in Numbers) Rating: 5.00
Posted on 2015-06-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Taxation (in Numbers) Rating: 4.00
Posted on 2015-06-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Catch as you catch can (in Numbers)
Posted on 2015-05-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 54 primes (in Numbers)
Posted on 2015-05-06 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5A Quickie, not tricky (in Numbers)
Posted on 2015-05-11 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Euler on trial (in Numbers) Rating: 1.00
Posted on 2015-05-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Powered s.o.d. (in Numbers) Rating: 3.00
Posted on 2015-05-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5How far can you go? (in Numbers)
Posted on 2015-05-12 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5112233....99 scrambled (in Numbers)
Posted on 2015-05-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 52^(10n) (in Numbers) Rating: 2.00
Posted on 2015-04-15 by Jer (Solution Posted, 9 Comments)
Difficulty: 2 of 5One, two, eight etc (in Numbers)
Posted on 2015-05-22 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5No neighbors allowed (in Numbers)
Posted on 2015-05-22 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5All that glitters (in Numbers)
Posted on 2015-05-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5No direct evaluation (in Numbers)
Posted on 2015-06-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5p^10 is special (in Numbers)
Posted on 2015-06-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5One triplet out (in Numbers)
Posted on 2015-06-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5 Find the lowest n (in Numbers)
Posted on 2015-06-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 53 primes (in Numbers)
Posted on 2015-06-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quite a triplet (in Numbers)
Posted on 2015-07-02 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5It is not 8^5 (in Numbers) Rating: 5.00
Posted on 2015-06-24 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5Factorial creates prime (in Numbers)
Posted on 2015-06-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Chinatown's problem (in Numbers)
Posted on 2015-07-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Primary problem III (in Numbers) Rating: 5.00
Posted on 2015-07-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5What is perplexus? (in Numbers)
Posted on 2015-07-16 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Getting the right count (in Numbers) Rating: 3.00
Posted on 2015-07-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Matching pairs (in Numbers) Rating: 5.00
Posted on 2015-07-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Pythagorean triplet generator (in Numbers) Rating: 5.00
Posted on 2015-07-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5You make me laugh (in Numbers)
Posted on 2015-07-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 1 of 5Oddday (in Numbers) Rating: 5.00
Posted on 2015-08-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Largest pandigital prime. (in Numbers)
Posted on 2015-08-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Clever counting (in Numbers)
Posted on 2015-08-07 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Equal differences (in Numbers)
Posted on 2015-08-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Divide et impera (in Numbers)
Posted on 2015-08-18 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Only 2 answers (in Numbers)
Posted on 2015-08-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Be fruitful and multiply. (in Numbers) Rating: 3.00
Posted on 2015-08-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A Fibo quadruplet (in Numbers)
Posted on 2015-08-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Surprising answer II (in Numbers) Rating: 4.00
Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Alphamagic square (in Numbers)
Posted on 2015-09-11 by Ady TZIDON (Solution Posted, 0 Comments)
Difficulty: 4 of 5Three clever monsters (in Numbers)
Posted on 2015-09-15 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5C reverses into F (in Numbers) Rating: 3.00
Posted on 2015-09-14 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Check divisibility (in Numbers)
Posted on 2015-09-16 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Some definite results (in Numbers)
Posted on 2015-09-17 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 5 of 59-letter word (in Numbers)
Posted on 2015-09-25 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Permutations count (in Numbers) Rating: 3.00
Posted on 2015-10-01 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5A peculiar triangular number (in Numbers)
Posted on 2015-12-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Count them correctly (in Numbers)
Posted on 2015-10-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Factorials & factorions (in Numbers) Rating: 5.00
Posted on 2015-10-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Same digits - 3 cubes (in Numbers)
Posted on 2015-10-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5n-digit ... n-th power (in Numbers)
Posted on 2015-10-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Numbers in pi (in Numbers)
Posted on 2015-08-21 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Divide et impera part two (in Numbers)
Posted on 2015-08-26 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Tiling and counting (in Numbers)
Posted on 2015-11-10 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5If you go (in Numbers)
Posted on 2015-11-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sum of powers (in Numbers)
Posted on 2015-11-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Counting correctly (in Numbers)
Posted on 2015-11-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Permutations count redux (in Numbers)
Posted on 2015-10-09 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Variety of divisors (in Numbers)
Posted on 2015-12-03 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Show me the moNey (in Numbers) Rating: 3.00
Posted on 2015-12-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A special short-list (in Numbers)
Posted on 2015-12-08 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5A peculiar pandigital (in Numbers)
Posted on 2015-12-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Using a standard deck (in Numbers)
Posted on 2015-12-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Powered GCD (in Numbers) Rating: 5.00
Posted on 2016-01-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5L, like in like (in Numbers)
Posted on 2016-01-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 580 (in Numbers)
Posted on 2015-12-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A non-trivial progression (in Numbers) Rating: 4.67
Posted on 2015-11-17 by Steve Herman (Solution Posted, 7 Comments)
Difficulty: 3 of 5Root factorial (in Numbers)
Posted on 2015-11-25 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5From pie to numbers (in Numbers) Rating: 3.00
Posted on 2015-12-27 by Ady TZIDON (No Solution Yet, 16 Comments)
Difficulty: 2 of 5A math symbol (in Numbers) Rating: 3.33
Posted on 2016-01-08 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Primevens and primeodds (in Numbers) Rating: 4.00
Posted on 2016-01-10 by Math Man (Solution Posted, 8 Comments)
Difficulty: 4 of 582 in 82 (in Numbers)
Posted on 2016-01-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The sum is a square (in Numbers)
Posted on 2016-03-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Monotonous integers (in Numbers) Rating: 1.00
Posted on 2015-12-30 by Steve Herman (Solution Posted, 9 Comments)
Difficulty: 4 of 55 cubes (in Numbers)
Posted on 2016-01-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Erase the right 90 (in Numbers) Rating: 4.00
Posted on 2016-01-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Maybe soon (in Numbers)
Posted on 2016-02-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Dascal triangle (in Numbers)
Posted on 2016-02-02 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Prove or disprove (in Numbers)
Posted on 2016-02-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three in a row (in Numbers) Rating: 2.50
Posted on 2016-02-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Interesting representation (in Numbers) Rating: 5.00
Posted on 2016-02-08 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5How high the moon tonight (in Numbers)
Posted on 2016-02-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Boxes galore (in Numbers)
Posted on 2016-02-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Big difference (in Numbers)
Posted on 2016-02-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Pumpkins 6 (in Numbers) Rating: 4.00
Posted on 2016-01-22 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 2 of 513 and 2 (in Numbers) Rating: 1.00
Posted on 2016-03-01 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 536 forever (in Numbers)
Posted on 2016-04-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Matryoshka Nesting Primes (in Numbers)
Posted on 2016-03-03 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 1 of 5d1 or more ? (in Numbers)
Posted on 2016-03-07 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Love is blind (in Numbers)
Posted on 2016-03-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5To-day is Monday & a PIday (in Numbers)
Posted on 2016-03-14 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Only one below 5000 (in Numbers)
Posted on 2016-03-11 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5Percentage quickie (in Numbers) Rating: 3.00
Posted on 2016-03-14 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Minimal cardinality (in Numbers)
Posted on 2016-03-16 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5The only odd untouchable (in Numbers)
Posted on 2016-04-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Not so trivial (in Numbers)
Posted on 2016-03-18 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Minimizing n (in Numbers)
Posted on 2016-03-23 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5What's our problem? (in Numbers)
Posted on 2016-03-30 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 54 partitions, same product (in Numbers)
Posted on 2016-03-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Look for 3 sevens (in Numbers)
Posted on 2016-04-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5A Pythagorean triangle (in Numbers) Rating: 5.00
Posted on 2016-04-08 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Set Me Up Again (in Numbers)
Posted on 2016-03-16 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Worth trying (in Numbers)
Posted on 2016-04-06 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Find this number (in Numbers)
Posted on 2016-04-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Form 21 n Times (in Numbers) Rating: 4.00
Posted on 2016-03-11 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5GCD of Fibonacci 2 (in Numbers)
Posted on 2016-03-23 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Insert Zero (in Numbers)
Posted on 2016-03-21 by Bractals (Solution Posted, 5 Comments)
Difficulty: 2 of 5Find number and base (in Numbers) Rating: 5.00
Posted on 2016-03-17 by Bractals (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Three ways - same sum (in Numbers)
Posted on 2016-04-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Fibs and Mods. (in Numbers)
Posted on 2016-03-30 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Easy does it (in Numbers) Rating: 5.00
Posted on 2016-03-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Easy Victory (in Numbers)
Posted on 2016-05-13 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Much of few is many (in Numbers)
Posted on 2016-04-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5One and only (in Numbers)
Posted on 2016-04-28 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5Create this string (in Numbers)
Posted on 2016-05-04 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5You'll be surprised (in Numbers)
Posted on 2016-05-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Crazy or Sane (in Numbers)
Posted on 2016-05-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Make it true (in Numbers)
Posted on 2016-05-09 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 1 of 5A cube with missing row (in Numbers)
Posted on 2016-05-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Wanted: gifted numbers (in Numbers)
Posted on 2016-05-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Power of 2 (in Numbers) Rating: 5.00
Posted on 2016-05-27 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Finding the fixes (in Numbers)
Posted on 2016-05-29 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5List the expressionist numbers (in Numbers)
Posted on 2016-05-30 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Twice 2 products (in Numbers)
Posted on 2016-06-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Squared halves (in Numbers)
Posted on 2016-06-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Is the sum odd? (in Numbers)
Posted on 2016-06-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Prime repunits (in Numbers) Rating: 3.50
Posted on 2016-11-24 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5A false conjecture (in Numbers)
Posted on 2017-01-27 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Skip to 4th power (in Numbers)
Posted on 2016-06-27 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pandigital pattern (in Numbers)
Posted on 2016-06-28 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Fractions lead to Pythagoreans (in Numbers)
Posted on 2016-06-28 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 54 numbers make 5 squares (in Numbers)
Posted on 2016-06-30 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5S.O.D = cube root (in Numbers)
Posted on 2016-07-04 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Simple number trick (in Numbers) Rating: 2.50
Posted on 2016-06-29 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sequence starting with 30 (in Numbers)
Posted on 2016-07-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Decimal and Binary Representation (in Numbers)
Posted on 2016-12-13 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find Counterexamples (in Numbers)
Posted on 2016-07-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Amicable pair generator (in Numbers)
Posted on 2016-07-08 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Multiple Harshad Numbers (in Numbers)
Posted on 2016-07-10 by Jer (No Solution Yet, 12 Comments)
Difficulty: 4 of 5Two out of seven (in Numbers)
Posted on 2016-07-07 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divisible by 19? (in Numbers)
Posted on 2016-07-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consecutive Sums (in Numbers)
Posted on 2016-07-12 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cute numbers (in Numbers)
Posted on 2016-07-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Mirror multiplication (in Numbers)
Posted on 2016-07-31 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Ending by 3 or 7 (in Numbers)
Posted on 2016-08-01 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Visiting Toronto (in Numbers)
Posted on 2016-08-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A surprising prime gap (in Numbers) Rating: 5.00
Posted on 2016-07-27 by Math Man (Solution Posted, 8 Comments)
Difficulty: 3 of 5Pandigital Multiples of 99 (in Numbers)
Posted on 2016-08-03 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Estimate a percentage (in Numbers)
Posted on 2016-08-22 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Powers of 3 (in Numbers)
Posted on 2016-08-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 5As EZ as UC it (in Numbers) Rating: 4.00
Posted on 2016-12-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Divisibility Property (in Numbers)
Posted on 2016-08-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Counting ARATs (in Numbers)
Posted on 2016-09-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Getting 189 (in Numbers)
Posted on 2016-09-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Form 21 n Times II (in Numbers)
Posted on 2016-08-11 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Y ask about Y ? (in Numbers) Rating: 3.00
Posted on 2017-04-04 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Prove Phi's Peculiar Property (in Numbers)
Posted on 2016-10-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Phibobrick's dimensions (in Numbers)
Posted on 2016-10-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Maximizing the sum (in Numbers)
Posted on 2016-11-16 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5At least twice (in Numbers)
Posted on 2016-11-17 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Four integers (in Numbers)
Posted on 2016-12-04 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Skill or food? (in Numbers)
Posted on 2016-12-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5No change in its value (in Numbers)
Posted on 2016-12-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Which is the biggest? (in Numbers)
Posted on 2017-01-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Strange Summation (in Numbers)
Posted on 2017-05-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Square OR 2*square (in Numbers)
Posted on 2017-01-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 51,3,8 ...extend! (in Numbers) Rating: 5.00
Posted on 2017-01-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Six (or more) sextuples (in Numbers)
Posted on 2017-01-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Power partition procedure (in Numbers)
Posted on 2017-03-26 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5S.O.S. is not a prime (in Numbers)
Posted on 2017-02-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Integer couples (in Numbers)
Posted on 2017-02-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square expressions (in Numbers)
Posted on 2017-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Never a square (in Numbers)
Posted on 2017-02-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Equality? Yes, but not exactly... (in Numbers)
Posted on 2017-03-14 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 52017 to start with (in Numbers)
Posted on 2017-06-23 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5A rare palindrome (in Numbers)
Posted on 2017-03-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three mirrored multiplications (in Numbers)
Posted on 2017-04-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Up and up (in Numbers) Rating: 5.00
Posted on 2017-03-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Primes and factors (in Numbers)
Posted on 2017-03-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 53 and 4-digit numbers (in Numbers)
Posted on 2017-07-17 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 5Why is it D2? (in Numbers)
Posted on 2017-03-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5S.o.S is S (in Numbers) Rating: 2.00
Posted on 2017-04-03 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5True for nine and up (in Numbers)
Posted on 2017-03-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Fermat numbers (in Numbers) Rating: 4.00
Posted on 2017-07-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 51 is one of them (in Numbers)
Posted on 2017-03-25 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cryptajoke XVII (in Numbers) Rating: 3.00
Posted on 2017-04-21 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5The magnificent twelve (in Numbers)
Posted on 2017-04-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Le petit trivia (in Numbers)
Posted on 2017-04-12 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Excellent numbers (in Numbers)
Posted on 2017-04-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pandigital and square (in Numbers)
Posted on 2017-04-15 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Pretty primes (in Numbers) Rating: 2.00
Posted on 2017-04-10 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Maxim, Minerva & Kangaroo (in Numbers)
Posted on 2017-04-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Eat as eat can (in Numbers) Rating: 3.00
Posted on 2017-04-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A factorial in seconds (in Numbers) Rating: 5.00
Posted on 2017-04-18 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Smallest pandifibo number (in Numbers)
Posted on 2017-04-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Prime with no prime digits (in Numbers)
Posted on 2017-04-25 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5Sum and Difference II (in Numbers)
Posted on 2017-05-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The smallest non-conformist (in Numbers)
Posted on 2017-05-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5e as a pandigital expression (in Numbers)
Posted on 2017-04-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All ten (in Numbers)
Posted on 2017-05-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Age Progression (in Numbers)
Posted on 2017-01-16 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5How much is "?" ? (in Numbers)
Posted on 2017-05-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Not every prime qualifies! (in Numbers)
Posted on 2017-05-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Twice blind (in Numbers)
Posted on 2017-05-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5No software allowed ! (in Numbers)
Posted on 2017-05-07 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Inder Taneja's discovery (in Numbers)
Posted on 2017-05-11 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Erase one (in Numbers)
Posted on 2017-05-28 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Magic magic (in Numbers)
Posted on 2018-01-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5An interesting recurrence (in Numbers) Rating: 5.00
Posted on 2017-01-17 by Math Man (Solution Posted, 5 Comments)
Difficulty: 3 of 5Ulam numbers (in Numbers) Rating: 3.00
Posted on 2017-06-03 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5a cube = s.o.d . (in Numbers) Rating: 3.00
Posted on 2017-06-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Multiples with 3 (in Numbers) Rating: 5.00
Posted on 2017-01-31 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Kissing Cousins (in Numbers)
Posted on 2017-03-02 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Letters to digits to letters (in Numbers)
Posted on 2017-06-22 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 53,7,8 as a start (in Numbers)
Posted on 2017-07-02 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Recovering the unknown triplet (in Numbers)
Posted on 2017-11-03 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Mutual dependence (in Numbers) Rating: 3.00
Posted on 2017-11-01 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Almost-pandigital sets (in Numbers)
Posted on 2017-07-22 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 52 bases (in Numbers)
Posted on 2017-07-21 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Add'em all ! (in Numbers)
Posted on 2017-07-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Think big (in Numbers)
Posted on 2017-08-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Straight or rotated (in Numbers) Rating: 5.00
Posted on 2017-08-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Using nine positive digits (in Numbers)
Posted on 2018-02-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5The well-defined digit (in Numbers) Rating: 5.00
Posted on 2017-08-14 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Getting closer to your pie (in Numbers)
Posted on 2017-09-04 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Squares in a rectangle (in Numbers)
Posted on 2017-12-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Fibo was a winner (in Numbers)
Posted on 2017-12-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Higher Powers of Eleven (in Numbers)
Posted on 2017-05-24 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Red vs Black Cuts (in Numbers)
Posted on 2017-06-05 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 2 of 5Dimsums LTD (in Numbers) Rating: 3.00
Posted on 2017-10-16 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Times Square (in Numbers)
Posted on 2017-10-23 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two-three integers (in Numbers)
Posted on 2017-10-15 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Discounting one (in Numbers)
Posted on 2018-01-10 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 59 cubes (in Numbers)
Posted on 2017-10-17 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5SUM = PR0DUCT (in Numbers)
Posted on 2017-10-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5√22 (in Numbers)
Posted on 2017-10-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Odd Egyptians (in Numbers)
Posted on 2017-06-21 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square Egyptians (in Numbers)
Posted on 2017-06-28 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Larger area / larger perimeter (in Numbers)
Posted on 2017-07-03 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Giveaway ratios (in Numbers)
Posted on 2017-06-26 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5It is not SIX (in Numbers)
Posted on 2017-10-26 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 53 multiples of cubes (in Numbers)
Posted on 2017-10-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Leaving the least (the most) (in Numbers)
Posted on 2017-10-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 538s and Bunches of 1s (in Numbers) Rating: 4.50
Posted on 2017-06-30 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Four fours (in Numbers)
Posted on 2018-02-14 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5From The Book of Squares (in Numbers) Rating: 3.00
Posted on 2017-07-26 by Jer (No Solution Yet, 8 Comments)
Difficulty: 4 of 5A common feature (in Numbers)
Posted on 2017-10-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pandigitals Divided by 11 (in Numbers)
Posted on 2017-07-23 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Dec = xeh (in Numbers)
Posted on 2017-08-02 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Two SPECIAL PARTITIONS (in Numbers)
Posted on 2017-10-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Bob and Alice make a poor choice (in Numbers)
Posted on 2017-08-11 by broll (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Only one number qualifies! (in Numbers)
Posted on 2017-11-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Counting appearances (in Numbers)
Posted on 2017-11-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Searching for the minimal repunit (in Numbers)
Posted on 2017-11-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5No big digits involved (in Numbers)
Posted on 2017-11-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisibility in a sequence (in Numbers)
Posted on 2017-08-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5X & Y erased (in Numbers) Rating: 3.00
Posted on 2017-11-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5One digit answer (in Numbers) Rating: 3.00
Posted on 2017-11-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Next Numbers Please #9 (in Numbers) Rating: 3.67
Posted on 2017-08-23 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 3 of 5Beast number as a substring (in Numbers)
Posted on 2017-11-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Talking BIG (in Numbers)
Posted on 2017-11-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fun primes (in Numbers)
Posted on 2017-11-14 by Math Man (Solution Posted, 2 Comments)
Difficulty: 3 of 5What is .... ...... (in Numbers)
Posted on 2017-11-19 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Test #11 (in Numbers)
Posted on 2017-11-23 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Making a 10 (in Numbers) Rating: 4.00
Posted on 2017-11-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Strobogrammatic to pandigital (in Numbers) Rating: 5.00
Posted on 2017-08-26 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Ulam numbers II (in Numbers)
Posted on 2017-11-18 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pythagorean areas (in Numbers)
Posted on 2017-11-17 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5A pandigital sum (in Numbers)
Posted on 2017-11-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Hill's data (in Numbers) Rating: 5.00
Posted on 2018-03-03 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 1 of 5Quickie XI (in Numbers)
Posted on 2017-11-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5A true story (in Numbers) Rating: 5.00
Posted on 2017-12-20 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5One triplet of digits (in Numbers) Rating: 3.50
Posted on 2017-12-01 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5A square pairing (in Numbers)
Posted on 2017-11-29 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5 Strictly non-palindromic numbers (in Numbers)
Posted on 2018-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A special pandigital (in Numbers)
Posted on 2017-11-26 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5One ninth of a pandigital (in Numbers)
Posted on 2017-12-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three fours (in Numbers)
Posted on 2017-12-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum of subfactorials (in Numbers)
Posted on 2018-02-25 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Just 4 different digits (in Numbers)
Posted on 2017-12-03 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Does it continue? 2: Prime or not? (in Numbers) Rating: 5.00
Posted on 2017-09-16 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Does it continue? 3: Growing table of primes (in Numbers)
Posted on 2017-09-19 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Does it continue? 4: Euclid's next prime (in Numbers)
Posted on 2017-09-21 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Does it continue? 5: powers of 2 (in Numbers) Rating: 5.00
Posted on 2017-09-24 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Funny way to divide by seven (in Numbers)
Posted on 2018-01-12 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 5 of 5Any two out of five (in Numbers)
Posted on 2017-12-16 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Fibo's zeroes repeated (in Numbers)
Posted on 2017-12-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Does it continue? 6: Partial sums (in Numbers)
Posted on 2017-09-25 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Does it continue? 7: Partial sums again (in Numbers)
Posted on 2017-09-28 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Does it continue? 8: Prime together (in Numbers)
Posted on 2017-09-30 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Does it continue? 9: Diophantine friends (in Numbers)
Posted on 2017-10-03 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Does it continue? 10: Alternate differences (in Numbers)
Posted on 2017-10-07 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5One problem - many ways to solve... (in Numbers)
Posted on 2017-12-21 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Persistence I (in Numbers)
Posted on 2017-12-24 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Equal Power Sum Sets (in Numbers)
Posted on 2017-10-11 by Jer (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Given one, get the other three (in Numbers) Rating: 3.00
Posted on 2017-12-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Below 25 (in Numbers)
Posted on 2017-12-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pandigital and divisible (in Numbers)
Posted on 2017-12-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Oddly even numbers (in Numbers)
Posted on 2017-10-01 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three questions plus one challenge (in Numbers)
Posted on 2018-01-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 53N3 (in Numbers)
Posted on 2018-01-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Three triplets (in Numbers)
Posted on 2017-12-30 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Overheard in Manitoba (in Numbers)
Posted on 2018-01-06 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Easy to remember (in Numbers)
Posted on 2018-01-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Get even (in Numbers)
Posted on 2018-01-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quite a pair! (in Numbers) Rating: 5.00
Posted on 2018-01-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Not all a's are in (in Numbers)
Posted on 2018-02-06 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Choosing the right number (in Numbers)
Posted on 2018-02-13 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Cute numbers (in Numbers)
Posted on 2018-02-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5How many numbers in the end? (in Numbers)
Posted on 2018-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Let's make a deal (in Numbers) Rating: 5.00
Posted on 2018-02-17 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 54 digit number derived from a single digit (in Numbers)
Posted on 2018-02-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A couple of squares (in Numbers)
Posted on 2018-02-02 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5Does it continue? An original. (in Numbers)
Posted on 2017-10-20 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Only six distinct digits (in Numbers)
Posted on 2018-02-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5En francais seulement ! (in Numbers)
Posted on 2018-02-09 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Completing a triplet (in Numbers)
Posted on 2018-02-24 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5A sixth power in many ways (in Numbers)
Posted on 2018-02-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Trailing zeros (in Numbers)
Posted on 2018-02-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Summing the factors (in Numbers)
Posted on 2018-03-08 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5An atom of atom (in Numbers) Rating: 4.00
Posted on 2018-03-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Another Dudeney problem (in Numbers)
Posted on 2018-03-09 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5A palindromic equation (in Numbers)
Posted on 2018-03-04 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5six and thirteen (in Numbers)
Posted on 2018-03-15 by armando (No Solution Yet, 9 Comments)
Difficulty: 4 of 5 3x3 magic square of squares (in Numbers)
Posted on 2018-03-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Q: ?hat letter is missing? (in Numbers)
Posted on 2018-03-11 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 53 cubes (in Numbers)
Posted on 2018-06-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Magic circle revisited (in Numbers) Rating: 3.00
Posted on 2017-12-22 by Jer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5A prime nonuplet (in Numbers) Rating: 5.00
Posted on 2017-12-27 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5All in the USA (in Numbers) Rating: 5.00
Posted on 2018-03-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Create a magic square (in Numbers)
Posted on 2018-04-03 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Comb(k,2) (in Numbers)
Posted on 2018-03-29 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A short list (in Numbers)
Posted on 2018-04-07 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Squares built from leftovers (in Numbers)
Posted on 2018-04-05 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5On the road again (in Numbers)
Posted on 2018-04-10 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5A pandigital set (in Numbers) Rating: 5.00
Posted on 2018-04-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Pandigital set II (in Numbers)
Posted on 2018-04-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A primer in Malaga (in Numbers)
Posted on 2018-04-19 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Partitura (in Numbers)
Posted on 2018-04-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Ten to five (in Numbers) Rating: 3.00
Posted on 2018-07-30 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5It is not 42 (in Numbers)
Posted on 2018-04-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5190 couples (in Numbers) Rating: 3.00
Posted on 2018-05-03 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5A reason to complain (in Numbers)
Posted on 2018-05-12 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Self-numbers and generators (in Numbers)
Posted on 2018-05-23 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Unique definition (in Numbers)
Posted on 2018-05-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Explain Plato's affinity (in Numbers) Rating: 5.00
Posted on 2018-05-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5495 and 6174 (in Numbers)
Posted on 2018-05-24 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Will take some time ?? (in Numbers)
Posted on 2018-05-18 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5From primes to palindromes (in Numbers)
Posted on 2018-05-16 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Pascal revisited (in Numbers) Rating: 3.00
Posted on 2018-05-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5State of art (in Numbers)
Posted on 2018-05-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5How many drinks do you need? (in Numbers)
Posted on 2018-05-25 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Ascending order (in Numbers)
Posted on 2018-05-26 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5A logical search (in Numbers) Rating: 1.50
Posted on 2018-09-24 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Square Divisiblity (in Numbers) Rating: 3.00
Posted on 2018-06-17 by Daniel (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A set of numbers (in Numbers)
Posted on 2018-08-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Thinking octal (in Numbers)
Posted on 2018-05-30 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Using its own digits (in Numbers)
Posted on 2018-05-31 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5Cubes of couples (in Numbers)
Posted on 2018-06-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Palindrome in 4 steps (in Numbers)
Posted on 2018-06-06 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Zero is the last digit of S (in Numbers) Rating: 5.00
Posted on 2018-06-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Around the beast number (in Numbers)
Posted on 2018-09-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A Really Weird Math Problem (in Numbers)
Posted on 2018-03-12 by Charlie (Solution Posted, 14 Comments)
Difficulty: 3 of 5Cubes as factorials' sum (in Numbers)
Posted on 2018-06-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Quasi-Fibonacci (in Numbers)
Posted on 2018-03-19 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Who's on the second base? (in Numbers)
Posted on 2018-07-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 55 ways of factorizing (in Numbers) Rating: 3.00
Posted on 2018-07-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Some prime sequences (in Numbers)
Posted on 2018-07-04 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Magic square of cubes (in Numbers)
Posted on 2018-07-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum of 4 squares (in Numbers)
Posted on 2018-07-08 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Aloof prime (in Numbers)
Posted on 2018-07-12 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5From eleven to ... ETERNITY (in Numbers)
Posted on 2018-07-14 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Truncatable primes (in Numbers)
Posted on 2018-07-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Odd-abundant numbers. (in Numbers)
Posted on 2018-07-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5She has moved (in Numbers)
Posted on 2018-03-22 by armando (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Shirtless ? Even nude! (in Numbers)
Posted on 2018-08-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Compare them (in Numbers)
Posted on 2018-09-08 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Counting sudokus (in Numbers)
Posted on 2018-07-13 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 58191 has a partner (in Numbers)
Posted on 2018-07-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 599 as an example (in Numbers) Rating: 5.00
Posted on 2018-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square - both ways (in Numbers)
Posted on 2018-07-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Parenthetical Integer (in Numbers)
Posted on 2018-04-04 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Always solvable (in Numbers)
Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Special feature (in Numbers)
Posted on 2018-07-29 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Happy New Year (in Numbers)
Posted on 2018-07-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Some of these and some of those (in Numbers)
Posted on 2018-04-30 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 51st 101-digit prime (in Numbers) Rating: 3.00
Posted on 2018-08-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Attendance Records (in Numbers)
Posted on 2018-08-10 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Jeopardy-style A&Q (in Numbers) Rating: 5.00
Posted on 2018-08-12 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Quintuplet of consecutive primes (in Numbers)
Posted on 2018-08-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 57 in row (in Numbers)
Posted on 2018-08-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 531 created by 4 successive integers (in Numbers) Rating: 3.00
Posted on 2018-08-13 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Just a search (in Numbers)
Posted on 2018-08-18 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5In Memoriam (in Numbers) Rating: 5.00
Posted on 2018-08-16 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5A counting task (in Numbers)
Posted on 2018-08-23 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Sufficient or not? (in Numbers) Rating: 5.00
Posted on 2018-08-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Summing up factorials (in Numbers)
Posted on 2018-09-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Ones vs twos (in Numbers) Rating: 3.00
Posted on 2018-09-03 by Ady TZIDON (No Solution Yet, 48 Comments)
Difficulty: 3 of 5Fibo meets Lucas #1 (in Numbers)
Posted on 2018-09-09 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Equal values (in Numbers)
Posted on 2018-10-01 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 512 Days of Christmas (in Numbers)
Posted on 2018-11-03 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5A square divides concatenation (in Numbers)
Posted on 2018-09-22 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Prime phone (in Numbers)
Posted on 2018-09-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Prime magic (in Numbers)
Posted on 2018-09-29 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Calling spade a spade (in Numbers)
Posted on 2018-10-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 53 equal products (in Numbers)
Posted on 2018-11-21 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Tax deduction (in Numbers) Rating: 3.00
Posted on 2018-08-22 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Power tower (in Numbers)
Posted on 2018-08-26 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A number well defined (in Numbers)
Posted on 2018-10-25 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Cash Box (in Numbers) Rating: 3.00
Posted on 2018-09-19 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Feathers of different colors (in Numbers)
Posted on 2018-10-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Introducing sphenic numbers (in Numbers)
Posted on 2018-10-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 58 distinct partitions (in Numbers)
Posted on 2018-12-06 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Squares needing 2 digits only (in Numbers)
Posted on 2018-10-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Matching 27 (in Numbers)
Posted on 2018-10-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A series of primes equals N (in Numbers)
Posted on 2018-10-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A 3-digit number (in Numbers)
Posted on 2018-10-27 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 2 of 5A couple of numbers (in Numbers) Rating: 4.00
Posted on 2018-11-04 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5A non-algebra problem (in Numbers)
Posted on 2018-11-19 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Rooks on a chessboard (in Numbers)
Posted on 2018-11-26 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5A number plus its reversal (in Numbers)
Posted on 2018-12-03 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 1 of 5Times Square 2 (in Numbers)
Posted on 2018-10-08 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Square after square creates a new square (in Numbers)
Posted on 2018-12-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Chain of Primes (in Numbers)
Posted on 2018-10-23 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5A short list (in Numbers)
Posted on 2018-12-11 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5All digits distinct (in Numbers)
Posted on 2018-12-12 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Always zero or four (in Numbers)
Posted on 2018-12-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Nine Digits in a Grid (in Numbers) Rating: 3.50
Posted on 2018-12-17 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Factorial Tremors (in Numbers)
Posted on 2019-01-16 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Same digits (in Numbers) Rating: 4.00
Posted on 2018-12-26 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Double perfection (in Numbers)
Posted on 2018-12-28 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 52 sets with common members (in Numbers)
Posted on 2018-12-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 54 or more primes (in Numbers)
Posted on 2019-01-03 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Digit Anagram (in Numbers) Rating: 5.00
Posted on 2019-01-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Defining a number (in Numbers)
Posted on 2019-01-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square alphametics (in Numbers) Rating: 3.00
Posted on 2019-01-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Worm ate the numbers (in Numbers)
Posted on 2019-01-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 53 coprime unknowns (in Numbers)
Posted on 2019-02-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square+27 (in Numbers)
Posted on 2019-01-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Extreme Rationalization (in Numbers)
Posted on 2019-01-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5An Average Student (in Numbers)
Posted on 2019-01-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Repunits (in Numbers)
Posted on 2019-01-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Summed LCM (in Numbers)
Posted on 2019-05-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Simple Adding (in Numbers)
Posted on 2019-04-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 53^n is a sum of 3 squares (in Numbers)
Posted on 2019-01-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digit Anagram II (in Numbers) Rating: 3.00
Posted on 2019-01-29 by Danish Ahmed Khan (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Quick factors (in Numbers)
Posted on 2019-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integers inside surds (in Numbers)
Posted on 2019-02-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ring in the New - again and again and again.. (in Numbers) Rating: 5.00
Posted on 2019-01-01 by broll (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Quick Divisiblity Proof (in Numbers)
Posted on 2019-02-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5600 sixes (in Numbers)
Posted on 2019-02-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Bifonacci (in Numbers)
Posted on 2019-02-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Unlikely event (in Numbers)
Posted on 2019-02-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Counting Digit (in Numbers)
Posted on 2019-02-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 537 is too special (in Numbers) Rating: 2.00
Posted on 2019-06-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5And counting (in Numbers)
Posted on 2019-02-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Great Comparison (in Numbers)
Posted on 2019-03-02 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5A Great Greatest Common Divisor (in Numbers)
Posted on 2019-03-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 52018 to 2019 (in Numbers) Rating: 5.00
Posted on 2019-03-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digit Deduction (in Numbers) Rating: 5.00
Posted on 2019-03-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Only prime digits allowed (in Numbers)
Posted on 2019-01-31 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Neighbors differ by even numbers (in Numbers)
Posted on 2019-02-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Minimizing the Denominator (in Numbers) Rating: 3.00
Posted on 2019-03-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Shifting the digit (in Numbers)
Posted on 2019-03-11 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Shifting the digit II (in Numbers)
Posted on 2019-03-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5A Golden Fraction (in Numbers)
Posted on 2019-03-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 52 sets of primes (in Numbers)
Posted on 2019-02-04 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 5The Root of Pie (in Numbers)
Posted on 2019-03-14 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Factor it (in Numbers)
Posted on 2019-03-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Math is radical (in Numbers) Rating: 3.00
Posted on 2019-03-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum of reciprocals (in Numbers)
Posted on 2019-03-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Larger Square (in Numbers)
Posted on 2019-03-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisor in between (in Numbers)
Posted on 2019-03-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A Divisor Diversion (in Numbers) Rating: 5.00
Posted on 2019-03-27 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Asymmetrical String (in Numbers)
Posted on 2019-04-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Some reciprocal summed (in Numbers)
Posted on 2019-04-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Based on threes! (in Numbers)
Posted on 2019-04-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 54 and 5 powered (in Numbers)
Posted on 2019-04-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 52000 9s (in Numbers)
Posted on 2019-04-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Biggest palindrome (in Numbers)
Posted on 2019-02-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Get a stonefish! (in Numbers)
Posted on 2019-02-09 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Family ages (in Numbers)
Posted on 2019-04-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Breaking the Jewel code (in Numbers) Rating: 5.00
Posted on 2019-04-17 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Factor hints (in Numbers)
Posted on 2019-04-18 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Factor hints II (in Numbers)
Posted on 2019-04-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5She missed an operator (in Numbers)
Posted on 2019-02-06 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Recovering the number (in Numbers)
Posted on 2019-02-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Seven positive numbers (in Numbers)
Posted on 2019-04-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Paired number GCD and LCM (in Numbers)
Posted on 2019-05-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5How many qualified numbers? (in Numbers)
Posted on 2019-04-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic prime (in Numbers)
Posted on 2019-04-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5The special ones among the group (in Numbers)
Posted on 2019-04-30 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 537 and 0s (in Numbers)
Posted on 2019-04-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 59-ending numbers (in Numbers)
Posted on 2019-04-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The digit is missing! (in Numbers)
Posted on 2019-10-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Damaged calculator (in Numbers)
Posted on 2019-05-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer coordinates (in Numbers)
Posted on 2019-05-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Twin and reversible (in Numbers)
Posted on 2019-02-20 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Four at a time (in Numbers)
Posted on 2019-05-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Odd partition (in Numbers)
Posted on 2019-05-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Marks on Marks off (in Numbers)
Posted on 2019-05-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Integers involved in factors (in Numbers)
Posted on 2019-05-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Calculator can't handle it (in Numbers)
Posted on 2019-05-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Evened N and 3N (in Numbers)
Posted on 2019-05-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Concatenation sum (in Numbers) Rating: 2.00
Posted on 2019-05-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Little Pika can barely add (in Numbers) Rating: 3.00
Posted on 2019-05-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Carry on, Decimal (in Numbers)
Posted on 2019-05-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Palindromes' divisibility (in Numbers)
Posted on 2019-02-22 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Cubes can do all (in Numbers)
Posted on 2019-05-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Odd digited square (in Numbers)
Posted on 2019-06-02 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Oned square root (in Numbers)
Posted on 2019-06-03 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Number dilemma (in Numbers) Rating: 4.00
Posted on 2019-06-05 by Danish Ahmed Khan (No Solution Yet, 19 Comments)
Difficulty: 3 of 5Humongous Factorial Divisiblity (in Numbers)
Posted on 2019-06-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quick factors II (in Numbers)
Posted on 2019-06-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quick factors III (in Numbers)
Posted on 2019-06-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadruple fraction sum (in Numbers)
Posted on 2019-06-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triple cube sum (in Numbers)
Posted on 2019-06-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Describe the decimal (in Numbers)
Posted on 2019-07-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5249-yes, 5-no (in Numbers)
Posted on 2019-07-08 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 56 is easy - 5 & 7 not quite ! (in Numbers) Rating: 3.00
Posted on 2019-03-31 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5The number n in n^2 (in Numbers)
Posted on 2019-04-11 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5No primes 3 (in Numbers) Rating: 5.00
Posted on 2019-08-10 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All that remainder is Gold (in Numbers)
Posted on 2019-07-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digital computing (in Numbers) Rating: 4.50
Posted on 2019-08-03 by Danish Ahmed Khan (No Solution Yet, 37 Comments)
Difficulty: 3 of 5The SPA numbers (in Numbers)
Posted on 2019-08-04 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5444...444 (in Numbers)
Posted on 2019-08-02 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Mysterious Multiplication (in Numbers) Rating: 1.00
Posted on 2019-08-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Squared average equals square (in Numbers)
Posted on 2019-08-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digitally Average Integers (in Numbers)
Posted on 2019-08-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Recursive reaches one million (in Numbers)
Posted on 2019-08-15 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Summing the product of digits (in Numbers) Rating: 3.00
Posted on 2019-08-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Fibonacci tail (in Numbers) Rating: 3.00
Posted on 2019-09-05 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Reduced to single digit (in Numbers) Rating: 3.00
Posted on 2019-09-06 by Danish Ahmed Khan (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Solver's choices (in Numbers)
Posted on 2019-05-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Squarely chained (in Numbers)
Posted on 2019-05-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Soft car for cats (in Numbers)
Posted on 2019-05-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Who's on the 4th base? (in Numbers)
Posted on 2019-05-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Divisors' sum = square (in Numbers) Rating: 3.00
Posted on 2019-05-27 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 2 of 5Primes and Semiprimes (in Numbers)
Posted on 2019-06-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A special triplet (in Numbers)
Posted on 2019-07-02 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Approximate value (in Numbers) Rating: 1.00
Posted on 2019-07-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Getting 8 (in Numbers) Rating: 3.00
Posted on 2019-08-11 by Ady TZIDON (Solution Posted, 42 Comments)
Difficulty: 3 of 55 given, 4 missing (in Numbers)
Posted on 2019-09-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Just substitute? (in Numbers) Rating: 3.00
Posted on 2019-09-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Tricky sums indeed! (in Numbers)
Posted on 2019-10-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5It's not a Magic Square (in Numbers)
Posted on 2019-10-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some Sum of Some Sum (in Numbers)
Posted on 2019-10-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadratic with Primes (in Numbers)
Posted on 2019-10-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Medium numbers (in Numbers)
Posted on 2019-10-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5An old egg problem (in Numbers)
Posted on 2019-11-05 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Factor distribution in a school (in Numbers) Rating: 1.00
Posted on 2019-11-13 by Danish Ahmed Khan (No Solution Yet, 15 Comments)
Difficulty: 3 of 5The Big Division (in Numbers)
Posted on 2019-11-18 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Can we use Pigeonhole? (in Numbers) Rating: 4.00
Posted on 2019-11-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5PYHIYP #1 (in Numbers) Rating: 4.50
Posted on 2019-12-09 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Gold in the Exponent (in Numbers) Rating: 4.00
Posted on 2019-12-11 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 3 of 5SOD cubed equals Sum of Squares of SODs (in Numbers) Rating: 4.00
Posted on 2019-11-20 by Larry (Solution Posted, 4 Comments)
Difficulty: 3 of 5NARROW + STREET = AVENUE (in Numbers) Rating: 4.33
Posted on 2019-11-27 by Larry (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Quadrootles (in Numbers)
Posted on 2020-01-17 by JLo (Solution Posted, 2 Comments)
Difficulty: 3 of 5co-prime unit fractions (in Numbers)
Posted on 2020-03-06 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Thrifty dates (in Numbers)
Posted on 2020-02-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5pot draw permutations (in Numbers)
Posted on 2020-02-12 by Steven Lord (Solution Posted, 2 Comments)
Difficulty: 3 of 57 hypotenuses (in Numbers)
Posted on 2020-07-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5What is unsolved? (in Numbers)
Posted on 2020-05-11 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Go away ! (in Numbers)
Posted on 2020-03-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 52 subsets (in Numbers)
Posted on 2020-05-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5What do you know? (in Numbers)
Posted on 2020-04-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Two Digit Average 2 (in Numbers) Rating: 5.00
Posted on 2020-04-15 by Larry (Solution Posted, 2 Comments)
Difficulty: 2 of 5Digits of numbers (in Numbers)
Posted on 2020-03-30 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four generations (in Numbers) Rating: 3.00
Posted on 2020-07-06 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Algebra busters (in Numbers) Rating: 4.00
Posted on 2020-04-22 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Why fight? (in Numbers) Rating: 3.00
Posted on 2020-07-08 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Eight of them (in Numbers)
Posted on 2020-06-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fewer than 4 cubes (in Numbers)
Posted on 2020-06-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5For all the tea in China (in Numbers)
Posted on 2020-07-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Let's party (in Numbers) Rating: 5.00
Posted on 2020-08-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Ask and solve cubes (in Numbers)
Posted on 2020-08-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Now, before and later (in Numbers)
Posted on 2020-08-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cube hunting (in Numbers)
Posted on 2020-05-29 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 3 of 5WG’s unique number (in Numbers) Rating: 3.50
Posted on 2020-09-04 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 53 and 3 and... (in Numbers) Rating: 3.00
Posted on 2020-12-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Five numbers and Six sums (in Numbers) Rating: 5.00
Posted on 2020-12-20 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 52 related tasks (in Numbers)
Posted on 2020-09-07 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 550 - or more (in Numbers)
Posted on 2020-09-10 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Average other (in Numbers) Rating: 4.00
Posted on 2020-07-01 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5A prime and a cube (in Numbers) Rating: 4.00
Posted on 2020-07-13 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 2 of 5Two Sums of Two Squares (in Numbers) Rating: 4.50
Posted on 2020-07-17 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Digit Number 3 (in Numbers)
Posted on 2020-08-05 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Average Of Digits of powers (in Numbers) Rating: 3.00
Posted on 2020-08-20 by Larry (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Erase a prime (in Numbers) Rating: 3.00
Posted on 2020-08-03 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Permuted average (in Numbers)
Posted on 2020-09-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Polynomial path (in Numbers)
Posted on 2020-09-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A square pattern? (in Numbers) Rating: 3.00
Posted on 2020-09-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Previously divisible (in Numbers)
Posted on 2020-09-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prime equation 2 (in Numbers)
Posted on 2020-10-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Dissecting into rectangles (in Numbers)
Posted on 2020-09-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5All odd digit (in Numbers)
Posted on 2020-10-05 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 1 of 5Quick quadratic (in Numbers)
Posted on 2020-10-12 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Find the pairs (in Numbers)
Posted on 2020-10-13 by Danish Ahmed Khan (No Solution Yet, 23 Comments)
Difficulty: 2 of 5Product of 3 boxes (in Numbers)
Posted on 2020-10-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Concatenation of Prime Factors is Pandigital (in Numbers)
Posted on 2020-10-15 by Larry (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Quick divisibility (in Numbers) Rating: 5.00
Posted on 2020-10-20 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Money giveaway (in Numbers) Rating: 3.50
Posted on 2020-10-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Trailing zeros (in Numbers)
Posted on 2020-10-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Making it cubic (in Numbers)
Posted on 2020-11-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Trifecta circles (in Numbers)
Posted on 2020-11-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Radicals inside box (in Numbers)
Posted on 2020-11-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Dive deep after the decimal point (in Numbers)
Posted on 2020-11-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Fit the middle digit (in Numbers) Rating: 3.00
Posted on 2020-11-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Go left of the number (in Numbers) Rating: 3.00
Posted on 2020-11-15 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Naoish numbers (in Numbers) Rating: 2.00
Posted on 2020-11-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Microscopically small (in Numbers)
Posted on 2020-11-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lcm equation (in Numbers)
Posted on 2020-11-26 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Exponentiation Equals Concatenation (in Numbers) Rating: 3.00
Posted on 2020-11-14 by Larry (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Why Fight II (in Numbers) Rating: 2.00
Posted on 2020-11-18 by Steven Lord (Solution Posted, 1 Comments)
Difficulty: 2 of 52 absent digits (in Numbers) Rating: 2.00
Posted on 2020-11-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Triplets cubed (in Numbers)
Posted on 2020-10-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Equation in integers (in Numbers) Rating: 3.00
Posted on 2020-12-06 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Complete number (in Numbers)
Posted on 2020-12-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Number play (in Numbers) Rating: 4.50
Posted on 2020-12-18 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Box and cube rooted (in Numbers)
Posted on 2020-12-14 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Giant sum of products (in Numbers)
Posted on 2020-12-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Solve simultaneous with linear and quintic (in Numbers) Rating: 3.00
Posted on 2020-12-29 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Go do modulus (in Numbers) Rating: 4.00
Posted on 2021-01-02 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Go form square (in Numbers) Rating: 2.00
Posted on 2021-01-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Go one, two, three (in Numbers) Rating: 3.00
Posted on 2021-01-09 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 4 of 5number sum equals all digit sum (in Numbers)
Posted on 2021-01-13 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 2 of 533rd Powers (in Numbers) Rating: 3.00
Posted on 2021-01-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Powered to perfect (in Numbers) Rating: 3.67
Posted on 2021-02-07 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Solve in naturals (in Numbers)
Posted on 2021-02-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Squares concatenated to square (in Numbers) Rating: 3.00
Posted on 2021-02-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Integer sides of cuboid (in Numbers) Rating: 3.00
Posted on 2021-02-17 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Trapezium in polygon (in Numbers) Rating: 3.00
Posted on 2021-02-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digit ending and divisibility (in Numbers)
Posted on 2021-03-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The replacement game (in Numbers)
Posted on 2021-03-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cubic Minimum (in Numbers) Rating: 3.00
Posted on 2021-03-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Erased to a multiple of 7 (in Numbers)
Posted on 2021-04-21 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Ones or twos II (in Numbers) Rating: 4.00
Posted on 2021-05-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Pandigital powers 2 (in Numbers) Rating: 4.50
Posted on 2021-05-04 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Plus operator insertion (in Numbers) Rating: 3.00
Posted on 2021-05-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Consecutive power sum (in Numbers)
Posted on 2021-05-12 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Positive divisor of positive divisor (in Numbers)
Posted on 2021-05-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Good integer (in Numbers)
Posted on 2021-05-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An Iterated Floor Equation (in Numbers)
Posted on 2020-09-15 by Brian Smith (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Leading divisibility (in Numbers)
Posted on 2021-06-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The power of 37 (in Numbers)
Posted on 2021-06-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mixed square (in Numbers)
Posted on 2021-06-18 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Prime pairs in power (in Numbers)
Posted on 2021-07-05 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Four equal digits (in Numbers)
Posted on 2021-07-20 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Triplet hunt (in Numbers)
Posted on 2021-07-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime pair equation (in Numbers)
Posted on 2021-08-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Bivariate equation (in Numbers)
Posted on 2021-08-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Adds Up 2 Ways (in Numbers) Rating: 5.00
Posted on 2021-11-24 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Concatenation equals Sum of Squares (in Numbers)
Posted on 2020-12-01 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Shortest way to a million (in Numbers) Rating: 4.50
Posted on 2020-12-03 by Ady TZIDON (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Mission 55 (in Numbers) Rating: 4.00
Posted on 2021-02-08 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5As close as possible (in Numbers) Rating: 3.00
Posted on 2021-02-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Less than 100 (in Numbers) Rating: 4.00
Posted on 2021-02-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The class of ‘55’ (in Numbers) Rating: 5.00
Posted on 2021-02-27 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Out of “Pillow Problems” (in Numbers) Rating: 4.00
Posted on 2021-03-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The fibbons (in Numbers) Rating: 4.00
Posted on 2021-03-16 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5With or without (in Numbers) Rating: 4.50
Posted on 2021-03-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 57.1.4 , my friend (in Numbers) Rating: 5.00
Posted on 2021-03-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Pandigital powers (in Numbers) Rating: 5.00
Posted on 2021-04-07 by Math Man (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Time to rhyme (in Numbers) Rating: 3.00
Posted on 2021-04-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reverse and add in binary (in Numbers)
Posted on 2021-04-29 by Jer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5A Country, a City and a pamphlet (in Numbers) Rating: 4.00
Posted on 2021-05-11 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Square creates square (in Numbers) Rating: 5.00
Posted on 2021-05-18 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5Digit Sum Divisibility (in Numbers) Rating: 5.00
Posted on 2021-06-11 by tomarken (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Double negative (in Numbers) Rating: 5.00
Posted on 2021-06-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Reversible Cubes (in Numbers) Rating: 5.00
Posted on 2021-06-29 by Larry (Solution Posted, 5 Comments)
Difficulty: 1 of 5What is the last number? (in Numbers) Rating: 3.00
Posted on 2021-06-14 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Prime count (in Numbers) Rating: 4.00
Posted on 2021-06-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Distinct routes (in Numbers) Rating: 5.00
Posted on 2021-06-24 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Times Square 3 (in Numbers) Rating: 3.00
Posted on 2021-06-28 by Charlie (Solution Posted, 8 Comments)
Difficulty: 3 of 5Ones only (in Numbers)
Posted on 2021-07-12 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5A coprime couple (in Numbers) Rating: 4.00
Posted on 2021-08-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 52 neighbours create a square (in Numbers) Rating: 4.00
Posted on 2021-08-19 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Number the Grid (in Numbers) Rating: 5.00
Posted on 2021-07-19 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5Product of odd primes with distinct digits (in Numbers) Rating: 5.00
Posted on 2021-07-23 by Larry (Solution Posted, 5 Comments)
Difficulty: 2 of 5Expo 7629 (in Numbers) Rating: 4.00
Posted on 2021-09-27 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Actual triominoes (in Numbers) Rating: 4.00
Posted on 2021-10-13 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quad-Ominoes (in Numbers) Rating: 4.00
Posted on 2021-10-20 by Jer (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Hexomino tile enumeration (in Numbers) Rating: 4.00
Posted on 2021-10-27 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 52022 Multiple and Palindrome Puzzle (in Numbers) Rating: 4.00
Posted on 2022-01-25 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Product Crossed Pointed Ratio Puzzle (in Numbers) Rating: 5.00
Posted on 2022-07-27 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Armstrong plus one : Armstwo (in Numbers) Rating: 5.00
Posted on 2021-12-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Spanish Alphametic Settlement (in Numbers) Rating: 4.00
Posted on 2021-12-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Inconsiderable Five-Prime Ratio Illation (in Numbers) Rating: 4.00
Posted on 2022-01-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Inconsiderable Five-Prime Ratio Illation II (in Numbers) Rating: 5.00
Posted on 2022-02-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Either way (in Numbers) Rating: 5.00
Posted on 2022-01-05 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5The box (2) (in Numbers) Rating: 5.00
Posted on 2022-10-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Year by Year 2 (in Numbers) Rating: 5.00
Posted on 2022-03-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pentagonal and Hexagonal Poser (in Numbers) Rating: 5.00
Posted on 2022-03-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Rational Reverse Crossed Product Resolution (in Numbers) Rating: 4.00
Posted on 2022-03-18 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Singular Squares II (in Numbers) Rating: 5.00
Posted on 2022-08-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Digit Replacement and Square Settlement (in Numbers) Rating: 5.00
Posted on 2022-04-11 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Find all Numbers II (in Numbers) Rating: 5.00
Posted on 2022-04-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sports Medal Muse (in Numbers) Rating: 4.50
Posted on 2022-04-30 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Equal Digits Crossed Quotient Quandary (in Numbers) Rating: 5.00
Posted on 2022-04-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 550 - Digit Number III (in Numbers) Rating: 5.00
Posted on 2022-05-04 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Binomial Coefficient Product Puzzle (in Numbers) Rating: 5.00
Posted on 2022-11-07 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5888...888 (in Numbers) Rating: 5.00
Posted on 2022-08-02 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5A permutation puzzle 2 (in Numbers) Rating: 5.00
Posted on 2022-05-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Forty Four Digit Decision (in Numbers) Rating: 5.00
Posted on 2022-05-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Parametric Quadratic Diophantine Dilemma (in Numbers) Rating: 5.00
Posted on 2022-05-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Three Pasture Puzzle (in Numbers) Rating: 5.00
Posted on 2022-06-01 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Quaint Quadruplet Query (in Numbers) Rating: 5.00
Posted on 2022-06-06 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Maximum Palindrome Count Muse (in Numbers) Rating: 5.00
Posted on 2022-06-07 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Sorta Platonic... (in Numbers) Rating: 5.00
Posted on 2022-06-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Decimal Specification (in Numbers) Rating: 4.00
Posted on 2022-06-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5X and Lucky Seven Settlement (in Numbers) Rating: 5.00
Posted on 2022-06-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Egyptian Fraction Expression (in Numbers) Rating: 5.00
Posted on 2022-06-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Believe it or not 2 (in Numbers) Rating: 4.00
Posted on 2021-12-30 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Factorion plus one: Factoritwo (in Numbers) Rating: 5.00
Posted on 2021-12-16 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5An Integer Product (in Numbers) Rating: 5.00
Posted on 2022-05-26 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Mrs. Arithmetic and Mrs. Algebra (in Numbers) Rating: 5.00
Posted on 2022-07-05 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Singular Cubes (in Numbers) Rating: 4.00
Posted on 2022-07-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 52-Row Number Grid (in Numbers) Rating: 5.00
Posted on 2022-01-15 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Digital Root Unity (in Numbers) Rating: 5.00
Posted on 2022-08-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Missing Duodecimal Digit Determination (in Numbers) Rating: 5.00
Posted on 2022-08-04 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Binary Repunit Padovans (in Numbers) Rating: 5.00
Posted on 2022-08-11 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cubic Diophantine Conclusion II (in Numbers) Rating: 3.00
Posted on 2022-08-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Smallest Prime Settlement (in Numbers) Rating: 5.00
Posted on 2022-08-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5function of s.o.d. of prime (in Numbers) Rating: 4.00
Posted on 2021-12-31 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5Powering up the digits V (in Numbers) Rating: 5.00
Posted on 2022-08-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pandiv 143 (in Numbers) Rating: 4.00
Posted on 2022-01-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5All in (in Numbers) Rating: 4.00
Posted on 2022-01-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Forty-one's Forte (in Numbers) Rating: 5.00
Posted on 2022-08-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5sum, reciprocals, squares (in Numbers) Rating: 4.00
Posted on 2022-03-22 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Time After Time (in Numbers) Rating: 4.00
Posted on 2022-01-11 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Powers of 3, 4, and 7 Included (in Numbers) Rating: 4.00
Posted on 2022-01-10 by Larry (Solution Posted, 5 Comments)
Difficulty: 3 of 5Some inflation ! (in Numbers) Rating: 5.00
Posted on 2022-03-24 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Narcissistic minus 1: Cerossistic (in Numbers) Rating: 5.00
Posted on 2023-01-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Pandigital Multiple Puzzle (in Numbers) Rating: 4.00
Posted on 2022-09-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Harmonic Harmony 3 (in Numbers) Rating: 4.50
Posted on 2022-09-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Arithmetic Sequence Crossed Integer Triplet Puzzle (in Numbers) Rating: 5.00
Posted on 2022-09-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Difference is sod sum (in Numbers) Rating: 4.00
Posted on 2022-01-28 by Larry (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cash Box 2 (in Numbers) Rating: 4.00
Posted on 2022-01-26 by Charlie (Solution Posted, 2 Comments)
Difficulty: 1 of 5Why? a quickie (in Numbers) Rating: 5.00
Posted on 2022-02-06 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Get one fourth by squaring (in Numbers) Rating: 5.00
Posted on 2022-09-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Temperature Temperament V (in Numbers) Rating: 5.00
Posted on 2022-10-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Three Digit Number Nuance (in Numbers) Rating: 5.00
Posted on 2022-10-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Number Division and Remainder Nuance (in Numbers) Rating: 5.00
Posted on 2023-01-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Absolute Crossed Perfect Square Surmise (in Numbers) Rating: 5.00
Posted on 2023-01-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Alphametic Quickie (in Numbers) Rating: 5.00
Posted on 2023-01-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Change the First Digit, Get Two Primes (in Numbers) Rating: 5.00
Posted on 2023-01-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Intriguing Integer Pair Illation (in Numbers) Rating: 5.00
Posted on 2022-10-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three Distinct Divisor Trial (in Numbers)
Posted on 2022-10-15 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5No consecutive 1's (in Numbers) Rating: 5.00
Posted on 2022-02-27 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cube Difference Deduction II (in Numbers) Rating: 5.00
Posted on 2022-10-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Four Floored Cube Finding (in Numbers)
Posted on 2022-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Very peculiar feature ! (in Numbers) Rating: 5.00
Posted on 2022-02-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Palindrome factors (in Numbers) Rating: 5.00
Posted on 2022-03-15 by Jer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Flipflop the digits, octuple the number (in Numbers) Rating: 5.00
Posted on 2022-03-30 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Repeating tetradecimals (in Numbers) Rating: 5.00
Posted on 2022-10-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Minimum Integer from Last 2 Digits Puzzle (in Numbers) Rating: 5.00
Posted on 2023-01-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Provisory Pairs (in Numbers) Rating: 5.00
Posted on 2023-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Power Crossed Factorial Poser (in Numbers) Rating: 5.00
Posted on 2023-04-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Missing Digit Deduction (in Numbers) Rating: 5.00
Posted on 2022-11-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Prime Possibility Poser (in Numbers)
Posted on 2022-11-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quantity Query (in Numbers)
Posted on 2022-11-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Legendrian Even Floor? (in Numbers) Rating: 5.00
Posted on 2022-11-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Factorial Crossed Nonzero Digits Determination (in Numbers) Rating: 5.00
Posted on 2022-12-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Did Bobby err? (in Numbers) Rating: 5.00
Posted on 2022-04-02 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Split the Square (in Numbers) Rating: 5.00
Posted on 2022-04-06 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5All the nines (in Numbers) Rating: 5.00
Posted on 2022-04-07 by broll (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Prime or Composite? (in Numbers)
Posted on 2022-11-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fraction-Fraction-Fraction Finding (in Numbers)
Posted on 2022-12-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prime or Composite? (2) (in Numbers) Rating: 5.00
Posted on 2022-12-10 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5225 as a factor (in Numbers) Rating: 5.00
Posted on 2022-04-12 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Prime Crossed Square Poser (in Numbers) Rating: 5.00
Posted on 2022-12-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 53 Pals make a Pal (in Numbers) Rating: 5.00
Posted on 2022-04-20 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Move the digit, Change the base (in Numbers) Rating: 5.00
Posted on 2022-04-19 by Larry (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Year Yearn 4 (in Numbers) Rating: 5.00
Posted on 2022-12-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Triangular and Heptagonal Hindrance (in Numbers) Rating: 5.00
Posted on 2022-12-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Permuted Duodecimal Mean Muse (in Numbers) Rating: 5.00
Posted on 2022-12-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Arithmetic Sequence Crossed Integer Determination Puzzle (in Numbers) Rating: 5.00
Posted on 2023-02-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Power Crossed Cube Conclusion (in Numbers) Rating: 5.00
Posted on 2023-04-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Even percents (in Numbers) Rating: 5.00
Posted on 2022-05-10 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5What did I do wrong? (in Numbers) Rating: 5.00
Posted on 2022-04-22 by Larry (Solution Posted, 4 Comments)
Difficulty: 3 of 5Completing factorial (in Numbers) Rating: 4.00
Posted on 2022-05-11 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pandigital Product Crossed Square Poser (in Numbers) Rating: 5.00
Posted on 2023-01-06 by K Sengupta (Solution Posted, 18 Comments)
Difficulty: 3 of 5LCM, Sum and Product Puzzle (in Numbers)
Posted on 2023-01-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Semiprimes and Emirps (in Numbers) Rating: 5.00
Posted on 2023-01-14 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Googol vs Googolplex (in Numbers) Rating: 4.50
Posted on 2022-05-12 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5A very sparse Sudoku (in Numbers) Rating: 5.00
Posted on 2022-05-14 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 3 of 5Powers of 2 vs some factorials (in Numbers) Rating: 3.50
Posted on 2022-06-08 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Equally divided (in Numbers) Rating: 3.00
Posted on 2022-05-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Semiprime times (in Numbers) Rating: 5.00
Posted on 2023-01-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Fours and Fives Crossed Fortune Formulation (in Numbers) Rating: 5.00
Posted on 2023-02-03 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Consider Prime Ratios, Get Integers (in Numbers) Rating: 5.00
Posted on 2023-02-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Respectively Divisible II (in Numbers) Rating: 5.00
Posted on 2023-02-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Phi Proximity Poser (in Numbers) Rating: 5.00
Posted on 2023-02-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Nested radical (in Numbers) Rating: 5.00
Posted on 2022-06-03 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Nested radical redux (in Numbers) Rating: 5.00
Posted on 2022-06-04 by Jer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Ratio Crossed Pythagorean Integer Illation (in Numbers) Rating: 5.00
Posted on 2023-02-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Primorial Penultimate Piece (in Numbers) Rating: 5.00
Posted on 2022-06-14 by Larry (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Arithmetic Derivative (in Numbers) Rating: 5.00
Posted on 2022-06-10 by Larry (No Solution Yet, 7 Comments)
Difficulty: 4 of 5West of Evan, East of Odin (in Numbers)
Posted on 2022-06-29 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5From sum to addends 2 (in Numbers) Rating: 5.00
Posted on 2022-07-28 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Pair of Factorial Quartic Equations (in Numbers) Rating: 4.00
Posted on 2022-07-02 by Larry (Solution Posted, 4 Comments)
Difficulty: 3 of 5SOD(power) = power (in Numbers) Rating: 5.00
Posted on 2022-07-07 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5More Arithmetic Integers II (in Numbers) Rating: 5.00
Posted on 2023-03-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Very Large Prime (in Numbers) Rating: 5.00
Posted on 2022-07-08 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Arithmetic Sequence Crossed Digital Root Puzzle (in Numbers) Rating: 3.00
Posted on 2023-02-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Perfect Powers with no Repeat Digits (in Numbers) Rating: 5.00
Posted on 2022-07-22 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Root Ratio Crossed Rational Resolution (in Numbers) Rating: 4.00
Posted on 2023-02-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Possible Pisano Poser? (in Numbers) Rating: 4.00
Posted on 2023-02-21 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Reciprocal Equation #7 (in Numbers) Rating: 5.00
Posted on 2023-02-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Some 2 Powers Sum to Factorial (in Numbers) Rating: 5.00
Posted on 2023-02-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Finding Two Calculator Fractions (in Numbers) Rating: 5.00
Posted on 2023-03-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 57 somewhere (in Numbers) Rating: 5.00
Posted on 2022-08-12 by Jer (No Solution Yet, 16 Comments)
Difficulty: 3 of 5It's no lie... (in Numbers) Rating: 5.00
Posted on 2022-08-18 by broll (Solution Posted, 3 Comments)
Difficulty: 3 of 5super powerful pandigitals 2 (in Numbers) Rating: 5.00
Posted on 2023-03-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Digital Product Triples (in Numbers) Rating: 5.00
Posted on 2023-09-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Stairway Ascension Ascertainment (in Numbers) Rating: 5.00
Posted on 2023-03-07 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Three Distinct Positive Integers and Square Possibility Poser (in Numbers) Rating: 5.00
Posted on 2023-08-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime Crossed Factor Puzzle (in Numbers) Rating: 5.00
Posted on 2023-03-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Duodecimal Digital Expansion Puzzle (in Numbers) Rating: 5.00
Posted on 2023-03-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mean Crossed Reversal Muse (in Numbers) Rating: 5.00
Posted on 2023-03-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Expression Divisibility Decision (in Numbers) Rating: 5.00
Posted on 2023-03-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Deux Duodecimal Prime Number Determination. (in Numbers)
Posted on 2023-03-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 56-digit number (in Numbers) Rating: 5.00
Posted on 2022-09-07 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5What number is ALUMINE? (in Numbers) Rating: 5.00
Posted on 2023-09-30 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Sawtooth Crossed Ratio Resolution (in Numbers) Rating: 3.00
Posted on 2023-03-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Cross Product Quickie (in Numbers) Rating: 3.33
Posted on 2023-04-24 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Tea Team Quickie (in Numbers)
Posted on 2023-03-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Special Indices II (in Numbers) Rating: 5.00
Posted on 2023-04-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Dart Discharge II (in Numbers) Rating: 5.00
Posted on 2023-03-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Faulty Calculator Frolic (in Numbers) Rating: 5.00
Posted on 2023-03-31 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Secret Number Surmise (in Numbers) Rating: 5.00
Posted on 2023-04-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 55 Digit Number IV (in Numbers) Rating: 5.00
Posted on 2023-04-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quintic Minimum (in Numbers) Rating: 5.00
Posted on 2023-04-13 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Product Predicament Quickie (in Numbers) Rating: 5.00
Posted on 2023-04-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5BCCDEFGGB and Perfect Square (in Numbers) Rating: 5.00
Posted on 2023-04-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Product-Difference Crossed Power Poser (in Numbers) Rating: 5.00
Posted on 2023-04-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Digit Integers Crossed 170 Multiple Muse (in Numbers) Rating: 5.00
Posted on 2023-04-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Pandigital and Pretty Powerful V (in Numbers) Rating: 5.00
Posted on 2023-04-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cryptarithm Crossed Integer Constant Illation (in Numbers) Rating: 4.00
Posted on 2023-04-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Take Temporal Difference, Get Maximum (in Numbers) Rating: 5.00
Posted on 2023-04-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Given Two sods, Find the sod (in Numbers) Rating: 5.00
Posted on 2023-04-26 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Place Ten Positive Integers, Get Minimum (in Numbers) Rating: 5.00
Posted on 2023-04-25 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Coin Collection Conclusion (in Numbers) Rating: 5.00
Posted on 2023-05-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Inconsiderable Fifth Power Finding (in Numbers) Rating: 5.00
Posted on 2023-04-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Prime squares with distinct digits 2 (in Numbers) Rating: 5.00
Posted on 2023-05-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cryptarithmetic Crossed Geometric Mean Poser (in Numbers)
Posted on 2023-05-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Inverse Rounded Square Root Sum Settlement (in Numbers) Rating: 5.00
Posted on 2023-05-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Binomial Pandigitals 2 (in Numbers) Rating: 5.00
Posted on 2023-05-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Addition Crossed Number Reversal (in Numbers) Rating: 5.00
Posted on 2023-05-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Numbered Cube 2 (in Numbers) Rating: 5.00
Posted on 2023-05-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Take Factorial Ratios, Get Minimum (in Numbers) Rating: 4.00
Posted on 2023-05-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5That's a lotta numbers! (2) (in Numbers) Rating: 5.00
Posted on 2023-05-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Prime Squares Sum Cube (in Numbers) Rating: 4.50
Posted on 2023-05-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four Squares II (in Numbers)
Posted on 2023-11-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Remainder Crossed Digit Permutation Resolution (in Numbers)
Posted on 2023-07-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 51997 Crossed Difference Product Poser (in Numbers) Rating: 5.00
Posted on 2023-05-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pythagorean Crossed Six Consecutive Digit Determination (in Numbers) Rating: 5.00
Posted on 2023-05-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5House Numbers on the Clock Street (in Numbers)
Posted on 2023-11-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Millionth Pandigital II (in Numbers) Rating: 5.00
Posted on 2023-05-29 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 4 of 5Sorta Legendrian... (in Numbers) Rating: 5.00
Posted on 2023-06-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Some Primes Differ by a Square (in Numbers) Rating: 4.50
Posted on 2023-05-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Emirp Times (in Numbers) Rating: 5.00
Posted on 2023-06-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pandigital Crossed Perfect Square Poser (in Numbers) Rating: 5.00
Posted on 2023-06-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Preperiod and Period Poser (in Numbers) Rating: 5.00
Posted on 2023-06-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Additively Quadratic 2 (in Numbers) Rating: 5.00
Posted on 2023-11-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime or Composite? (3) (in Numbers) Rating: 5.00
Posted on 2023-06-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Reciprocal Equation #8 (in Numbers) Rating: 5.00
Posted on 2023-06-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three Linear Expressions Divide Three Exponent Expressions (in Numbers) Rating: 4.50
Posted on 2023-06-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four Smallest Prime Factor Sum Settlement (in Numbers) Rating: 5.00
Posted on 2023-06-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Nonnegative Exponent Evaluation Nuance (in Numbers) Rating: 5.00
Posted on 2023-06-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Binomial Coefficient Crossed GCD Concern (in Numbers)
Posted on 2023-07-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 56 Digit Square Alphametic (in Numbers) Rating: 5.00
Posted on 2023-07-05 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Minimum and 2015 Multiple Muse (in Numbers) Rating: 5.00
Posted on 2023-06-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divisible and not Divisible (in Numbers) Rating: 5.00
Posted on 2023-06-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Terminating in Eight 8s (in Numbers) Rating: 5.00
Posted on 2023-06-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Linear Combination of Prime May Be a Perfect Square (in Numbers)
Posted on 2023-06-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ten-thousands Digit Determination (in Numbers) Rating: 4.00
Posted on 2023-08-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Missing Tetradecimal Digits Determination (in Numbers) Rating: 5.00
Posted on 2023-06-22 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Alternating Ones and Zeros Crossed 2020 Multiple Puzzle (in Numbers) Rating: 5.00
Posted on 2023-06-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 52013 and Perfect Square Settlement (in Numbers) Rating: 5.00
Posted on 2023-06-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Weight-loss Program Poser (in Numbers) Rating: 5.00
Posted on 2023-06-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Some Prime Fractions sum to Integer Fraction (in Numbers) Rating: 5.00
Posted on 2023-06-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Ingenious Sum Puzzle 2 (in Numbers) Rating: 5.00
Posted on 2023-07-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Add 1 to Exponent*Number, Get Square (in Numbers) Rating: 5.00
Posted on 2023-07-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Accountants Crossed Four Numbers Puzzle (in Numbers) Rating: 5.00
Posted on 2024-03-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seventh Power Decision Settlement (in Numbers) Rating: 5.00
Posted on 2023-06-30 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three 3-digit Positive Integers (in Numbers) Rating: 5.00
Posted on 2023-07-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 598 Crossed Sum of Digits Puzzle (in Numbers) Rating: 5.00
Posted on 2023-07-03 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5A square 2 (in Numbers) Rating: 5.00
Posted on 2022-11-26 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Some Quartic Expressions Sum to Fourth Powers (in Numbers) Rating: 5.00
Posted on 2023-07-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A square of squares (in Numbers)
Posted on 2022-11-25 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5He Fooled Penn & Teller but ... (in Numbers) Rating: 2.00
Posted on 2022-12-07 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Triple Rearranger (in Numbers) Rating: 5.00
Posted on 2024-03-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Prime or Composite Decision (in Numbers) Rating: 5.00
Posted on 2023-08-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Consider Prime Expression, Get Integer Value (in Numbers) Rating: 5.00
Posted on 2023-08-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Lucky Guests Crossed Distinct Colored Hat Conclusion (in Numbers) Rating: 5.00
Posted on 2023-07-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Add 100 to Cube, Get Square (in Numbers) Rating: 5.00
Posted on 2023-07-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Center Six Digits (in Numbers) Rating: 5.00
Posted on 2023-07-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5How many zeros? (in Numbers) Rating: 4.00
Posted on 2023-07-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Reciprocal Equation #9 (in Numbers) Rating: 5.00
Posted on 2023-07-16 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 51 2 3 4. How high is your score? (in Numbers)
Posted on 2023-01-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Sixth Power Arranger (in Numbers) Rating: 5.00
Posted on 2024-04-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Change the First Digit, Get Three Primes (in Numbers) Rating: 5.00
Posted on 2023-07-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Twenty-third Power Posit (in Numbers) Rating: 4.00
Posted on 2023-07-18 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5String of 8s and Divisibility (in Numbers) Rating: 5.00
Posted on 2023-07-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Five Distinct Prime Factors (in Numbers) Rating: 5.00
Posted on 2023-07-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Squares in a 4x4 Grid (in Numbers) Rating: 5.00
Posted on 2023-07-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Whence 21? (in Numbers) Rating: 4.00
Posted on 2022-12-30 by Steven Lord (Solution Posted, 3 Comments)
Difficulty: 3 of 5Identical Digit Baffle III (in Numbers) Rating: 5.00
Posted on 2023-07-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Permutation List 3 (in Numbers) Rating: 5.00
Posted on 2023-07-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5A quadruple gift for the N.Y. (in Numbers)
Posted on 2022-12-28 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Concatenated 3-digit integers Crossed Ratio Puzzle (in Numbers) Rating: 5.00
Posted on 2023-08-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Diophantine quickie III (in Numbers) Rating: 4.00
Posted on 2023-08-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Seventh Power Arranger (in Numbers) Rating: 5.00
Posted on 2024-04-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5A 1/1 problem (in Numbers) Rating: 4.50
Posted on 2023-01-01 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Valid Prime Number Pairs (in Numbers) Rating: 5.00
Posted on 2023-08-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Floor Crossed Integer Quintuplet Query (in Numbers) Rating: 5.00
Posted on 2023-08-04 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Cheap or expensive (in Numbers)
Posted on 2023-08-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Divisible and not Divisible 2 (in Numbers) Rating: 5.00
Posted on 2023-08-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Even and Odd Products (in Numbers) Rating: 5.00
Posted on 2023-08-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Digit Increments 2 (in Numbers) Rating: 5.00
Posted on 2024-04-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 55 Pandigital Primes (in Numbers) Rating: 5.00
Posted on 2023-08-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three digits (in Numbers) Rating: 5.00
Posted on 2023-01-10 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sum Fractional Ratios (in Numbers) Rating: 4.00
Posted on 2023-08-07 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Some Near Pythagorean Integers Sum to Squares (in Numbers) Rating: 5.00
Posted on 2023-08-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Continued Division and Parentheses Crossed Positive Integer Determination Poser (in Numbers) Rating: 5.00
Posted on 2023-08-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Crossed Linear Expression Poser (in Numbers) Rating: 5.00
Posted on 2023-08-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum Six Digit Even Numbers (in Numbers) Rating: 5.00
Posted on 2023-08-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Fibonacci Lengths (in Numbers)
Posted on 2023-01-16 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5Integers with Happy, Healthy Babies (in Numbers)
Posted on 2023-01-26 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Powers of the Digits (in Numbers) Rating: 5.00
Posted on 2023-08-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Lynch-Bell numbers (in Numbers) Rating: 5.00
Posted on 2023-01-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sum of 2023 Consecutive Perfect Squares (in Numbers) Rating: 5.00
Posted on 2023-08-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Concatenated Triangular Numbers (in Numbers) Rating: 4.00
Posted on 2023-08-25 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A Quick Game with His Children (in Numbers) Rating: 5.00
Posted on 2023-09-02 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 2 of 5Non-negative Integers Crossed Expression Product puzzle (in Numbers) Rating: 5.00
Posted on 2023-09-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Even and Odd Digit Numbers (in Numbers) Rating: 5.00
Posted on 2023-09-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5N^4 and N^2 (in Numbers) Rating: 5.00
Posted on 2023-09-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Double Embedding (in Numbers)
Posted on 2023-09-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5sod(N) = pod(sqrt(N)) (in Numbers)
Posted on 2023-02-09 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Some Powers Differ by 2001 (in Numbers) Rating: 5.00
Posted on 2023-09-16 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5N and N^5 (in Numbers) Rating: 5.00
Posted on 2023-09-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Marquez's Equation 2 (in Numbers)
Posted on 2023-09-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Factorial Crossed Perfect Square Settlement (in Numbers) Rating: 5.00
Posted on 2023-09-21 by K Sengupta (Solution Posted, 81 Comments)
Difficulty: 3 of 5Number and 2023 Remainder Resolution (in Numbers) Rating: 5.00
Posted on 2023-09-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Concatenated Pandigital (in Numbers)
Posted on 2023-09-23 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Consider the Value, Get Solution (in Numbers) Rating: 5.00
Posted on 2023-09-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Naughty Nimble Nines 2 (in Numbers) Rating: 4.00
Posted on 2023-09-27 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Relationship Crossed Minimum Value Determination (in Numbers) Rating: 5.00
Posted on 2023-09-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Double the Digits (in Numbers) Rating: 5.00
Posted on 2023-09-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Solve in Integers (in Numbers) Rating: 5.00
Posted on 2023-10-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5WG’s quintuple (in Numbers) Rating: 4.00
Posted on 2023-02-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pirates Ahoy! (in Numbers) Rating: 5.00
Posted on 2023-10-26 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 2 of 5All possible integer values of N (in Numbers) Rating: 4.00
Posted on 2023-10-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 52x4 = 4x2 (in Numbers) Rating: 5.00
Posted on 2023-10-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mystery Number Nuance (in Numbers) Rating: 5.00
Posted on 2023-10-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Grandma (in Numbers)
Posted on 2023-10-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digits of N^6 (in Numbers) Rating: 5.00
Posted on 2023-10-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Multiples of Powers (in Numbers) Rating: 5.00
Posted on 2023-10-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 513th Power Posit (in Numbers) Rating: 5.00
Posted on 2023-10-11 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 53 integers (in Numbers)
Posted on 2023-02-27 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Sum of two squares (in Numbers) Rating: 5.00
Posted on 2023-03-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cross out the first m digits and the last n digits (in Numbers) Rating: 5.00
Posted on 2023-10-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A troublesome number puzzle (in Numbers)
Posted on 2023-03-10 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digital Sum Triples (in Numbers) Rating: 5.00
Posted on 2023-10-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Integer Diagonal (in Numbers) Rating: 5.00
Posted on 2023-10-18 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Ratio Expression Evaluation (in Numbers) Rating: 5.00
Posted on 2023-10-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Power Crossed Expression Evaluation (in Numbers) Rating: 5.00
Posted on 2023-10-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Conjoined Twins (in Numbers) Rating: 5.00
Posted on 2023-10-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Consider Prime Numbers, Get Cube (in Numbers) Rating: 5.00
Posted on 2023-10-24 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Pell's Equation (in Numbers) Rating: 5.00
Posted on 2023-10-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5ABCD Simultaneous (in Numbers)
Posted on 2023-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Self Power to Googol (in Numbers) Rating: 5.00
Posted on 2023-03-27 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sawtooth Crossed Ratio Remix (in Numbers)
Posted on 2023-03-30 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 3 of 5N, N^2, and N^3 (in Numbers) Rating: 5.00
Posted on 2023-10-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum of the Digits 2 (in Numbers) Rating: 5.00
Posted on 2023-10-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Big Palindrome (in Numbers)
Posted on 2023-10-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5An irrational answer (in Numbers)
Posted on 2023-03-30 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Carpe Diem (in Numbers) Rating: 4.00
Posted on 2023-04-07 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5123456 Triangle (in Numbers)
Posted on 2023-10-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Pandigital Cube (in Numbers)
Posted on 2023-10-29 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Eight Pandigital Primes (in Numbers) Rating: 5.00
Posted on 2023-11-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Reversible P and P^2 (in Numbers) Rating: 5.00
Posted on 2023-10-31 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5One-tenth Power Problem (in Numbers) Rating: 5.00
Posted on 2023-11-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Some Even and Odd Crossed Difference (in Numbers) Rating: 5.00
Posted on 2023-11-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Eighth Powers (in Numbers) Rating: 5.00
Posted on 2023-11-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Both Squares (in Numbers)
Posted on 2023-11-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Fibonacci Tail 2 (in Numbers) Rating: 5.00
Posted on 2023-11-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Numbers in pi 2 (in Numbers) Rating: 5.00
Posted on 2023-11-05 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Rex and Ralph's Math Competition (in Numbers) Rating: 5.00
Posted on 2023-11-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pandigital and Pretty Powerful VI (in Numbers) Rating: 5.00
Posted on 2023-11-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Minimum Value Muse 3 (in Numbers) Rating: 5.00
Posted on 2023-11-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Ten Squares (in Numbers)
Posted on 2023-11-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5ABCDEABCDEABCDE is one (in Numbers) Rating: 5.00
Posted on 2023-11-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Maths Wizard (in Numbers) Rating: 5.00
Posted on 2023-11-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Prime sums (in Numbers) Rating: 5.00
Posted on 2023-04-19 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A 10001 Problem (in Numbers) Rating: 5.00
Posted on 2023-11-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mission impossible? (in Numbers)
Posted on 2023-05-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A stretch of 8… or more… (in Numbers)
Posted on 2023-04-30 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Nine Pandigital Primes (in Numbers) Rating: 5.00
Posted on 2023-11-20 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Embedded Digital Product (in Numbers)
Posted on 2023-11-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digits of π in π^2 (in Numbers)
Posted on 2023-04-27 by Larry (Solution Posted, 1 Comments)
Difficulty: 3 of 5Private Zoo and Menagerie (in Numbers) Rating: 5.00
Posted on 2023-12-04 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Alternating Differences (in Numbers) Rating: 5.00
Posted on 2023-12-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Square Rearranger (in Numbers) Rating: 5.00
Posted on 2023-12-06 by K Sengupta (Solution Posted, 26 Comments)
Difficulty: 3 of 5Some Powers Sum 328 (in Numbers) Rating: 5.00
Posted on 2023-12-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Year Yearn 6 (in Numbers) Rating: 5.00
Posted on 2023-12-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Infinitely Continued String of Perfect Cubes (in Numbers) Rating: 5.00
Posted on 2023-12-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Pick 6 get power of 6 (in Numbers)
Posted on 2023-05-03 by Jer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Square the GCD, get the Sum (in Numbers) Rating: 5.00
Posted on 2023-12-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cubic Equation (in Numbers) Rating: 5.00
Posted on 2023-12-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Multiple of Square is a Number Repeated Twice (in Numbers) Rating: 4.50
Posted on 2023-12-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Large factor product (in Numbers) Rating: 5.00
Posted on 2023-05-10 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Square and Prime (in Numbers) Rating: 5.00
Posted on 2023-12-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Add to Cube, get Square 2 (in Numbers) Rating: 5.00
Posted on 2023-12-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Integer Solutions (in Numbers) Rating: 5.00
Posted on 2023-12-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 52 Power Crossed Perfect Power Puzzle (in Numbers) Rating: 5.00
Posted on 2023-12-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Triangular Cube (in Numbers) Rating: 5.00
Posted on 2023-12-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5An Average Student (in Numbers) Rating: 5.00
Posted on 2023-12-30 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Square Sides (in Numbers) Rating: 5.00
Posted on 2024-01-01 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 518 Integers, 36 digits (in Numbers)
Posted on 2023-05-19 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Arithmeic Mean Crossed Positive Integer Puzzle (in Numbers) Rating: 5.00
Posted on 2024-01-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Given the ratio, Find the Sum (in Numbers) Rating: 5.00
Posted on 2023-05-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Is this a Prime Number ? (in Numbers) Rating: 5.00
Posted on 2023-05-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Area / Perimeter Ratio (in Numbers) Rating: 5.00
Posted on 2024-01-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Nonnegative Integer Crossed Prime Puzzle (in Numbers) Rating: 5.00
Posted on 2024-01-05 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5What Are These Numbers? (in Numbers) Rating: 5.00
Posted on 2024-01-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Quick estimate (in Numbers) Rating: 1.00
Posted on 2023-05-24 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Pandigital W numbers (in Numbers)
Posted on 2023-05-30 by Larry (Solution Posted, 4 Comments)
Difficulty: 3 of 5Find the Last Two Digits (in Numbers) Rating: 5.00
Posted on 2024-01-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mr. S and Mr. P (in Numbers)
Posted on 2024-01-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Surprising answer III (in Numbers)
Posted on 2023-06-04 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Included in both A^B and B^A (in Numbers)
Posted on 2023-06-01 by Larry (Solution Posted, 1 Comments)
Difficulty: 3 of 52^89 and 2^98 (in Numbers) Rating: 4.50
Posted on 2024-01-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Each of the 9 Words is a Perfect Square (in Numbers) Rating: 5.00
Posted on 2024-01-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Friendly numbers (in Numbers)
Posted on 2023-06-02 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 520 and 40 (in Numbers)
Posted on 2024-01-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5What Is The Largest Sum? (in Numbers) Rating: 5.00
Posted on 2024-01-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Heronian Triangles (in Numbers)
Posted on 2024-01-16 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Two arithmetic sequences (in Numbers) Rating: 5.00
Posted on 2024-01-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Power Heronian (in Numbers) Rating: 5.00
Posted on 2024-01-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5AOUT and TUOA (in Numbers) Rating: 5.00
Posted on 2024-01-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rose-Innes are Squares (in Numbers) Rating: 5.00
Posted on 2024-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Count of Integers (in Numbers) Rating: 5.00
Posted on 2023-06-12 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cube + Single Digit = Perfect Square (in Numbers) Rating: 5.00
Posted on 2024-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Foreheads (in Numbers) Rating: 5.00
Posted on 2024-01-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Same Digits #3 (in Numbers) Rating: 5.00
Posted on 2024-01-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum of Ratios is an Integer (in Numbers) Rating: 5.00
Posted on 2024-01-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Permutation (in Numbers) Rating: 5.00
Posted on 2024-01-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Alternating Sum of Squares Crossed Triangular Number Puzzle (in Numbers) Rating: 5.00
Posted on 2023-06-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Divisible by Length (in Numbers) Rating: 5.00
Posted on 2024-04-27 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Pythagorean Triples #1 (in Numbers) Rating: 5.00
Posted on 2024-01-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Same Digits #4 (in Numbers)
Posted on 2024-02-04 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Real Values Crossed Four Power Puzzle (in Numbers) Rating: 5.00
Posted on 2024-05-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5 Divisor and Quotient Determination (in Numbers) Rating: 4.50
Posted on 2024-02-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pythagorean Triples #2 (in Numbers)
Posted on 2024-02-09 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Rex and Ralph: Prime Clues (in Numbers)
Posted on 2024-09-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic Diophantine (in Numbers) Rating: 5.00
Posted on 2024-04-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 53 Cubes #2 (in Numbers) Rating: 5.00
Posted on 2024-02-18 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime Pairs satisfy Quintic = Cubic (in Numbers) Rating: 5.00
Posted on 2024-02-17 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Square Root Extraction (in Numbers) Rating: 5.00
Posted on 2024-02-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Where are thou, ADY? (in Numbers)
Posted on 2024-04-06 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5XOXOXOXOX (in Numbers)
Posted on 2024-02-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Teller (in Numbers) Rating: 5.00
Posted on 2024-02-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 51,000,000 doors (in Numbers) Rating: 5.00
Posted on 2024-02-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cubic Summation divisibility (in Numbers)
Posted on 2023-07-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Dartboard (in Numbers) Rating: 5.00
Posted on 2024-02-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Some Sum of 2 Powers is a Perfect Square (in Numbers) Rating: 5.00
Posted on 2024-02-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Pythagorean Triples #3 (in Numbers)
Posted on 2024-02-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5No-zero Squares (in Numbers) Rating: 5.00
Posted on 2024-02-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four Squares #3 (in Numbers)
Posted on 2024-03-01 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Some Sum Cubes is the Multiple of a Cube (in Numbers)
Posted on 2024-04-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Sum of k numbers has exactly k divisors (in Numbers) Rating: 5.00
Posted on 2024-03-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Differences (in Numbers) Rating: 5.00
Posted on 2024-03-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Partition (in Numbers)
Posted on 2024-03-07 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Consecutive inequality (in Numbers)
Posted on 2023-07-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Simple composite number (in Numbers)
Posted on 2023-07-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rich Uncle (in Numbers)
Posted on 2024-03-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Power Digits (in Numbers) Rating: 5.00
Posted on 2024-03-15 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Square Digits (in Numbers) Rating: 5.00
Posted on 2024-03-12 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Three Concatenations (in Numbers) Rating: 5.00
Posted on 2024-03-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Move the 3 Digits- Double the Number (in Numbers) Rating: 5.00
Posted on 2024-03-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cube Arranger (in Numbers) Rating: 5.00
Posted on 2024-03-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Well-known French Name (in Numbers) Rating: 4.00
Posted on 2024-04-19 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Fourth Power Arranger (in Numbers) Rating: 5.00
Posted on 2024-03-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 56 Squares (in Numbers) Rating: 5.00
Posted on 2024-05-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Powerful Parade (in Numbers) Rating: 4.00
Posted on 2023-09-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cut off the Tail (in Numbers)
Posted on 2024-03-31 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Cubes (in Numbers)
Posted on 2024-04-02 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Fifth Power Arranger (in Numbers) Rating: 5.00
Posted on 2024-04-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Restricted ternary numbers (in Numbers)
Posted on 2023-07-24 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Concatenate Three Primes, Make Six Primes (in Numbers)
Posted on 2023-07-20 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seven-digit Number (in Numbers) Rating: 5.00
Posted on 2023-07-28 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 5How many zeros does this end in? (in Numbers) Rating: 5.00
Posted on 2024-04-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Evened N and 3N Extended (in Numbers)
Posted on 2023-07-29 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 4 of 5Pell's Equation #2 (in Numbers)
Posted on 2024-04-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Two Palindromics (in Numbers) Rating: 5.00
Posted on 2024-04-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum of 2 Squares (in Numbers) Rating: 5.00
Posted on 2024-04-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Digital Product Triples #2 (in Numbers)
Posted on 2024-04-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer factorial fraction (in Numbers)
Posted on 2023-09-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Web Counter (in Numbers)
Posted on 2024-06-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Strong Problem (in Numbers) Rating: 5.00
Posted on 2024-04-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triangular Cube #2 (in Numbers)
Posted on 2024-04-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Greatest Common Divisor (in Numbers)
Posted on 2024-05-12 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Counting triplets (in Numbers) Rating: 5.00
Posted on 2023-08-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Indecisive Walk (in Numbers)
Posted on 2023-08-17 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Binary Decimal (in Numbers) Rating: 5.00
Posted on 2024-05-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Mileage #2 (in Numbers)
Posted on 2024-05-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Powers of Digits (in Numbers)
Posted on 2024-04-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum of Two (in Numbers) Rating: 5.00
Posted on 2024-04-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Block Distribution (in Numbers) Rating: 5.00
Posted on 2024-04-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Non-increasing Squares (in Numbers) Rating: 5.00
Posted on 2024-05-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Digits of N^3 (in Numbers) Rating: 5.00
Posted on 2024-04-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pairwise Differences (in Numbers)
Posted on 2024-04-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pythagorean Right Triangles (in Numbers)
Posted on 2024-04-27 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Powers of Digits 2 (in Numbers) Rating: 5.00
Posted on 2024-05-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5October and 11 Prime Numbers (in Numbers) Rating: 5.00
Posted on 2024-05-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Four Triangles (in Numbers) Rating: 5.00
Posted on 2024-05-06 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5All Combos (in Numbers) Rating: 5.00
Posted on 2024-05-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5No Zeroes Allowed 2 (in Numbers)
Posted on 2024-05-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5A Sixth Root Quickie (in Numbers) Rating: 5.00
Posted on 2024-11-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Digit Sum of 21 (in Numbers)
Posted on 2024-12-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Arrange 1 to N (in Numbers) Rating: 5.00
Posted on 2024-05-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Repeating Digits (in Numbers) Rating: 5.00
Posted on 2024-05-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Once and Twice (in Numbers)
Posted on 2024-05-17 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5For I Was (in Numbers) Rating: 5.00
Posted on 2024-05-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum of 3 Squares (in Numbers)
Posted on 2024-05-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 53 Families (in Numbers) Rating: 5.00
Posted on 2024-05-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Factorials (in Numbers) Rating: 5.00
Posted on 2024-05-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two Equations - Four Unknowns (in Numbers) Rating: 5.00
Posted on 2024-06-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Inserting a number into 2023 (in Numbers)
Posted on 2023-09-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Twice Prime (in Numbers)
Posted on 2024-06-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sixty-three (in Numbers) Rating: 5.00
Posted on 2024-06-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Peeling Primes (in Numbers)
Posted on 2024-05-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Near powers (in Numbers)
Posted on 2023-09-28 by broll (No Solution Yet, 2 Comments)
Difficulty: 3 of 5N+1 to N+5 (in Numbers)
Posted on 2024-05-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Peeling Primes 2 (in Numbers) Rating: 5.00
Posted on 2024-06-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5One number missing (in Numbers) Rating: 4.00
Posted on 2023-09-25 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime Triangle (in Numbers)
Posted on 2024-06-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Checking the quantity (in Numbers)
Posted on 2023-09-23 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Any 14 (in Numbers)
Posted on 2024-06-03 by K Sengupta (No Solution Yet, 30 Comments)
Difficulty: 3 of 5Pell's Equation #3 (in Numbers) Rating: 5.00
Posted on 2024-06-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Spending Spree (in Numbers)
Posted on 2024-07-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digit Powers (in Numbers)
Posted on 2024-06-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Descriptor Sequence #2 (in Numbers)
Posted on 2024-06-07 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Handshakes #2 (in Numbers)
Posted on 2024-06-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Fibonacci Squares (in Numbers)
Posted on 2024-06-09 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Pandigital Pythagorean Triangle (in Numbers)
Posted on 2024-06-09 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Flipper #2 (in Numbers)
Posted on 2024-06-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Bases (in Numbers) Rating: 5.00
Posted on 2024-06-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5George's Security Number (in Numbers)
Posted on 2024-06-12 by K Sengupta (No Solution Yet, 19 Comments)
Difficulty: 3 of 5n-Pandigital and k-Divisible (in Numbers)
Posted on 2023-10-08 by Larry (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Factorials' product (in Numbers)
Posted on 2023-10-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sixth powers (in Numbers)
Posted on 2023-10-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum of the unknowns (in Numbers)
Posted on 2023-10-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5EMIRP pair inside a PRIME (in Numbers)
Posted on 2023-10-19 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Self-Contained (in Numbers) Rating: 5.00
Posted on 2024-06-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Four Consecutive Odds (in Numbers) Rating: 5.00
Posted on 2024-06-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Four Fives (in Numbers) Rating: 5.00
Posted on 2024-06-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum of Three (in Numbers)
Posted on 2024-06-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5N^3 and N^4 (in Numbers)
Posted on 2024-06-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic Expression Equals a Quadratic Expression (in Numbers) Rating: 5.00
Posted on 2024-07-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Consider prime numbers, get cube 2 (in Numbers)
Posted on 2023-10-30 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Given the Equation, Find the Solution (in Numbers)
Posted on 2024-07-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Count the acceptable permutations (in Numbers)
Posted on 2023-10-30 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5N^2 and N^3 (in Numbers) Rating: 5.00
Posted on 2023-11-03 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digit Representation of a Duodecimal Prime Number (in Numbers) Rating: 5.00
Posted on 2024-07-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 596 Tees (in Numbers)
Posted on 2023-11-01 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A square is a square (in Numbers)
Posted on 2023-11-15 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pseud and Susan (in Numbers)
Posted on 2024-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum of 3 Squares #2 (in Numbers) Rating: 5.00
Posted on 2024-07-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quartic and Near Pandigital II (in Numbers)
Posted on 2024-07-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Limit of Sum Expressions (in Numbers)
Posted on 2023-11-16 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Fibonacci Thimbles (in Numbers) Rating: 5.00
Posted on 2024-07-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some mnemonics (in Numbers)
Posted on 2023-12-03 by Ady TZIDON (Solution Posted, 22 Comments)
Difficulty: 3 of 5Power Expression is a Multiple of Prime (in Numbers) Rating: 5.00
Posted on 2024-07-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Prime Time #2 (in Numbers)
Posted on 2024-07-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Palindromic Equation (in Numbers) Rating: 4.00
Posted on 2024-07-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 599 Rods #1 (in Numbers)
Posted on 2024-07-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5The Census (in Numbers)
Posted on 2024-07-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Heterodoxy (in Numbers)
Posted on 2024-07-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum the Powers, Get Cube (in Numbers)
Posted on 2024-07-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisibility of 8 (in Numbers)
Posted on 2024-07-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum of Three Squares (in Numbers)
Posted on 2024-07-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rectangular Floor (in Numbers)
Posted on 2024-08-01 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Divisible by 297 (in Numbers)
Posted on 2024-07-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Exponential Equation (in Numbers)
Posted on 2024-08-08 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 3 of 5What is OCTOBER? (in Numbers)
Posted on 2024-08-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Multiplication Crossed Unknown Digits Muse (in Numbers)
Posted on 2024-08-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Solve in Positive Integers (in Numbers)
Posted on 2024-08-10 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Greek Alphametic (in Numbers)
Posted on 2024-09-30 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Think polynomial (in Numbers)
Posted on 2024-01-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Perfect Square Crossed Simultaneous Satisfaction (in Numbers)
Posted on 2024-08-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An Equation Diophantus Never Considered (in Numbers)
Posted on 2024-08-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 54-digit number (in Numbers) Rating: 5.00
Posted on 2024-01-03 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Country With n Cities (in Numbers) Rating: 2.00
Posted on 2024-08-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Some square roots sum square root of 1988 (in Numbers)
Posted on 2024-09-25 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Infinitely Summed NOD Function (in Numbers)
Posted on 2024-08-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 525 divides n!+1 (in Numbers) Rating: 4.00
Posted on 2024-08-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Double number digit sum (in Numbers) Rating: 4.00
Posted on 2024-01-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5ABBCCA is a Perfect Square (in Numbers) Rating: 5.00
Posted on 2024-08-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the Last Two Digits II (in Numbers)
Posted on 2024-01-20 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Heptagony (in Numbers)
Posted on 2024-09-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two consecutive SODs divisible by 14 (in Numbers)
Posted on 2024-08-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Remainder Reckoning (in Numbers) Rating: 4.00
Posted on 2024-02-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quick p&p problem (in Numbers)
Posted on 2024-10-07 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Expression for 29 (in Numbers)
Posted on 2024-09-07 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Formula (in Numbers)
Posted on 2024-09-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Another Four Reals (in Numbers)
Posted on 2024-01-17 by Larry (No Solution Yet, 2 Comments)
Difficulty: 1 of 5JEEP*JEEP = BEEBEEP (in Numbers) Rating: 4.00
Posted on 2024-11-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5LucĂ­a's Odd Product (in Numbers)
Posted on 2024-05-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Robust numbers (in Numbers)
Posted on 2024-06-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Math Circle (in Numbers)
Posted on 2024-09-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sabroso numbers (in Numbers)
Posted on 2024-06-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Concatenation Prime Possibility (in Numbers)
Posted on 2024-06-13 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Composing Composites (in Numbers)
Posted on 2024-06-17 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Twins Divide (in Numbers)
Posted on 2024-09-19 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A 1-2 Number (in Numbers)
Posted on 2024-07-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5VaivĂŠm Numbers (in Numbers)
Posted on 2024-07-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A Divisibility Revelation (in Numbers)
Posted on 2024-08-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Odd factors (in Numbers)
Posted on 2024-09-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Neponacci. (in Numbers) Rating: 4.00
Posted on 2024-02-01 by broll (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Distinct Powers (in Numbers)
Posted on 2024-02-20 by Steven Lord (Solution Posted, 3 Comments)
Difficulty: 3 of 5Quadratic Primes (in Numbers)
Posted on 2024-02-07 by Steven Lord (Solution Posted, 2 Comments)
Difficulty: 3 of 5Multiplication Includes All Digits (in Numbers)
Posted on 2024-02-16 by Larry (No Solution Yet, 4 Comments)
Difficulty: 3 of 5lcm and gcd crossed square difference puzzle (in Numbers)
Posted on 2024-09-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5West Side Story #2 (in Numbers)
Posted on 2024-09-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 530 and 90 (in Numbers)
Posted on 2024-09-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5His Major Sight (in Numbers)
Posted on 2024-09-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Predictive Powers (in Numbers)
Posted on 2024-09-24 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Theorem's proof (in Numbers)
Posted on 2024-03-23 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Prime Digit Replacements (in Numbers) Rating: 5.00
Posted on 2024-02-16 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 3 of 5Powers of 5 (in Numbers)
Posted on 2024-10-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A tribute to a great man (in Numbers)
Posted on 2024-10-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 599 numbers in three lists (in Numbers)
Posted on 2024-09-27 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Factorial Square or Power? (in Numbers)
Posted on 2024-10-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Cube Permutations (in Numbers)
Posted on 2024-02-25 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 2 of 5Atbash Self Referential Number (in Numbers)
Posted on 2024-02-27 by Larry (Solution Posted, 4 Comments)
Difficulty: 3 of 5A factorial pattern (in Numbers)
Posted on 2024-03-03 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Irrationals to integers and back again (in Numbers)
Posted on 2024-03-17 by Steven Lord (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Differences 2 (in Numbers) Rating: 5.00
Posted on 2024-03-11 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5An even sparser sudoku puzzle (in Numbers)
Posted on 2024-03-11 by Steven Lord (No Solution Yet, 2 Comments)
Difficulty: 3 of 53 3s times 3 3s has 9 9s (in Numbers) Rating: 5.00
Posted on 2024-03-24 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5What Number Comes Next (in Numbers) Rating: 5.00
Posted on 2024-03-31 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Marie's Age (in Numbers)
Posted on 2024-10-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Some Cubes Are 1 less than a Power of 3 (in Numbers) Rating: 5.00
Posted on 2024-10-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quadratic Crossed 24 Multiple Poser (in Numbers)
Posted on 2024-10-15 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5An Exponential and Diophantine Puzzle (in Numbers)
Posted on 2024-11-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5How many multiples of 2013? (in Numbers) Rating: 5.00
Posted on 2024-10-12 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5All-distinct-integer set (in Numbers)
Posted on 2024-04-11 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5N does not have this form (in Numbers) Rating: 5.00
Posted on 2024-10-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the Key (in Numbers)
Posted on 2024-10-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Number Powered Cubed Number (in Numbers)
Posted on 2024-10-29 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5All Evens (in Numbers)
Posted on 2024-10-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Largest possible value of |S| (in Numbers)
Posted on 2024-11-07 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Factors to powers (in Numbers)
Posted on 2024-10-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Imaginary power (in Numbers)
Posted on 2024-10-30 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Removing Zeros to Reveal the Tail of a Product (in Numbers)
Posted on 2024-10-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Perfect roots (in Numbers)
Posted on 2024-10-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Distinct Digits Dilemma (in Numbers)
Posted on 2024-11-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three odd composite (in Numbers)
Posted on 2024-11-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Little power sum (in Numbers)
Posted on 2024-11-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Perfectly divisible (in Numbers)
Posted on 2024-11-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5divisibility by 37 (in Numbers) Rating: 5.00
Posted on 2024-11-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Factorial Fraction Frustration (in Numbers)
Posted on 2024-11-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Maybe prime (in Numbers)
Posted on 2024-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5quadrilateral in a hexagon (in Numbers)
Posted on 2024-12-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tiling Challenge (in Numbers)
Posted on 2024-12-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Cubic Consecutive Conundrum (in Numbers)
Posted on 2024-12-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5An unusual number (in Numbers)
Posted on 2024-11-06 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Powered factors (in Numbers)
Posted on 2024-12-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hunting factorial digits (in Numbers)
Posted on 2024-12-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Find the triplet (in Numbers)
Posted on 2024-12-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square and Cube in Fifth (in Numbers)
Posted on 2024-12-18 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Circular Prime Puzzle (in Numbers)
Posted on 2024-11-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum of the Legs of a Right Triangle (in Numbers)
Posted on 2024-11-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Determine the Last Digit (in Numbers) Rating: 5.00
Posted on 2024-11-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Largest Number of Positive Integers (in Numbers)
Posted on 2024-11-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Connection between Road Lengths (in Numbers)
Posted on 2024-11-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Duplicate Digit Determination #5 (in Numbers)
Posted on 2024-11-21 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 57s and 8s (in Numbers)
Posted on 2024-11-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 53x3 Near Anti Magic Square (in Numbers)
Posted on 2024-11-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some Cubes and Quartic Sum To Fifth Power (in Numbers)
Posted on 2024-12-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 530-digit Integers (in Numbers)
Posted on 2024-12-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5How Many Ways (in Numbers)
Posted on 2024-12-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5What is My Shop Number? (in Numbers)
Posted on 2024-12-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All Combos 3 (in Numbers)
Posted on 2024-05-14 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 512-Digit Oddities (in Numbers)
Posted on 2024-12-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Determine the remainder (in Numbers) Rating: 5.00
Posted on 2024-12-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Numbers and their inversions (in Numbers) Rating: 5.00
Posted on 2024-05-23 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Aleph0 (in Numbers)
Posted on 2024-05-20 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime centuries (in Numbers)
Posted on 2024-06-04 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Add-largest-digit sequence (in Numbers)
Posted on 2024-06-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime centuries 2 (in Numbers)
Posted on 2024-09-19 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Non-divisibility of factorials (in Numbers)
Posted on 2024-10-16 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A game of Nim (in Games) Rating: 3.80
Posted on 2002-04-23 by levik (Solution Posted, 3 Comments)
Difficulty: 3 of 5Matching pairs (in Games) Rating: 3.57
Posted on 2002-04-23 by levik (Solution Posted, 5 Comments)
Difficulty: 3 of 53 cards (in Games) Rating: 3.54
Posted on 2002-05-11 by levik (Solution Posted, 18 Comments)
Difficulty: 4 of 5A game of 15 (in Games) Rating: 4.13
Posted on 2002-05-10 by levik (Solution Posted, 5 Comments)
Difficulty: 4 of 5Coins on the round table (in Games) Rating: 3.77
Posted on 2002-09-08 by levik (Solution Posted, 13 Comments)
Difficulty: 3 of 5Simultaneous Chess (in Games) Rating: 4.17
Posted on 2002-09-10 by Jim Lyon (Solution Posted, 12 Comments)
Difficulty: 3 of 5Tic Tac Toe (in Games) Rating: 3.55
Posted on 2002-09-27 by Cheradenine (Solution Posted, 14 Comments)
Difficulty: 3 of 5Flipping for Dollars (in Games) Rating: 3.90
Posted on 2002-10-09 by Jim Lyon (Solution Posted, 21 Comments)
Difficulty: 5 of 5How many openings? (in Games) Rating: 3.57
Posted on 2002-10-27 by James (Solution Posted, 17 Comments)
Difficulty: 2 of 5Safety from the queen (in Games) Rating: 3.46
Posted on 2002-12-12 by Raveen (Solution Posted, 17 Comments)
Difficulty: 2 of 5Mancala (in Games) Rating: 3.67
Posted on 2003-01-21 by Alan (Solution Posted, 10 Comments)
Difficulty: 4 of 5Non-Attacking Chess Pieces (in Games) Rating: 3.80
Posted on 2003-02-27 by Charlie (Solution Posted, 12 Comments)
Difficulty: 4 of 5Magic trick (in Games) Rating: 3.86
Posted on 2003-05-08 by Fernando (Solution Posted, 20 Comments)
Difficulty: 3 of 5Real Nim Variations (in Games) Rating: 4.33
Posted on 2003-05-18 by Charlie (Solution Posted, 7 Comments)
Difficulty: 4 of 5The Quaker Queens of Chess (in Games) Rating: 3.33
Posted on 2003-06-03 by Jonathan Waltz (Solution Posted, 9 Comments)
Difficulty: 4 of 5Toggler and Triggler (in Games) Rating: 3.86
Posted on 2004-03-12 by levik (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Chess anyone? (in Games) Rating: 4.30
Posted on 2004-05-13 by SilverKnight (Solution Posted, 7 Comments)
Difficulty: 4 of 5Master Number (in Games) Rating: 3.89
Posted on 2003-09-20 by Bryan (Solution Posted, 10 Comments)
Difficulty: 3 of 5On the Line (in Games) Rating: 4.00
Posted on 2003-08-15 by DJ (Solution Posted, 16 Comments)
Difficulty: 3 of 5Short but Sweet (in Games) Rating: 3.93
Posted on 2003-10-28 by DJ (Solution Posted, 49 Comments)
Difficulty: 5 of 5How many points can you place? (in Games) Rating: 4.20
Posted on 2004-01-16 by SilverKnight (Solution Posted, 25 Comments)
Difficulty: 3 of 5The Sliding Rooks (in Games) Rating: 2.86
Posted on 2004-03-08 by Gamer (Solution Posted, 17 Comments)
Difficulty: 1 of 5Who plays next? (in Games) Rating: 2.86
Posted on 2004-07-19 by Federico Kereki (Solution Posted, 15 Comments)
Difficulty: 3 of 5Attack! (in Games) Rating: 4.56
Posted on 2004-01-17 by DJ (Solution Posted, 10 Comments)
Difficulty: 5 of 5The Fifteen Steps (in Games) Rating: 3.80
Posted on 2004-04-26 by Gamer (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Curiously Cavalier Chess Conclusion (in Games) Rating: 4.13
Posted on 2005-02-25 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 4 of 5Who will win? (in Games) Rating: 2.00
Posted on 2005-01-10 by Bon (Solution Posted, 10 Comments)
Difficulty: 2 of 5The Central Cell (in Games) Rating: 4.50
Posted on 2004-04-16 by Victor Zapana (Solution Posted, 11 Comments)
Difficulty: 3 of 5Who played first? (in Games) Rating: 3.70
Posted on 2004-05-07 by e.g. (Solution Posted, 27 Comments)
Difficulty: 3 of 5The odd number (in Games) Rating: 3.67
Posted on 2004-04-20 by Gamer (Solution Posted, 14 Comments)
Difficulty: 2 of 5Knight's Tour (2) (in Games) Rating: 3.25
Posted on 2004-03-06 by SilverKnight (No Solution Yet, 13 Comments)
Difficulty: 2 of 5The Tournament (in Games) Rating: 2.40
Posted on 2004-06-15 by Gamer (Solution Posted, 13 Comments)
Difficulty: 4 of 5Nowhere to Hide (in Games) Rating: 4.00
Posted on 2004-08-31 by Juggler (Solution Posted, 8 Comments)
Difficulty: 3 of 5Noughts and Crosses (in Games) Rating: 3.20
Posted on 2004-09-16 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 4 of 5Line up (in Games) Rating: 3.50
Posted on 2005-05-06 by Hugo (Solution Posted, 16 Comments)
Difficulty: 3 of 5Where is the White King? (in Games) Rating: 3.50
Posted on 2005-08-05 by pcbouhid (Solution Posted, 23 Comments)
Difficulty: 4 of 5Fingers game (in Games) Rating: 4.00
Posted on 2004-07-11 by Sam (No Solution Yet, 5 Comments)
Difficulty: 3 of 5No colors known? (in Games) Rating: 3.14
Posted on 2004-08-04 by Federico Kereki (Solution Posted, 17 Comments)
Difficulty: 2 of 5Nowhere to Hide II (in Games) Rating: 4.00
Posted on 2005-01-26 by Juggler (Solution Posted, 12 Comments)
Difficulty: 2 of 5Another game of nim (in Games) Rating: 3.00
Posted on 2004-09-02 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 4 of 5God and the Devil (in Games) Rating: 3.68
Posted on 2005-02-08 by David Shin (Solution Posted, 68 Comments)
Difficulty: 3 of 5Box game (in Games) Rating: 2.67
Posted on 2005-01-04 by Tristan (Solution Posted, 33 Comments)
Difficulty: 3 of 5What did Black play? (in Games) Rating: 4.50
Posted on 2004-10-18 by e.g. (Solution Posted, 6 Comments)
Difficulty: 3 of 5Insane Chess King (in Games) Rating: 2.50
Posted on 2004-11-16 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 5There is something missing (in Games) Rating: 4.40
Posted on 2005-05-13 by Hugo (Solution Posted, 29 Comments)
Difficulty: 2 of 5Only One Hand (in Games) Rating: 4.29
Posted on 2005-04-11 by David Shin (Solution Posted, 31 Comments)
Difficulty: 3 of 5Pool Ball (in Games) Rating: 4.00
Posted on 2005-04-28 by Juggler (No Solution Yet, 16 Comments)
Difficulty: 1 of 5Which pieces don't really matter? (in Games) Rating: 4.00
Posted on 2005-01-02 by Sing4TheDay (Solution Posted, 7 Comments)
Difficulty: 3 of 5Bulls and Cows (in Games) Rating: 4.50
Posted on 2005-03-01 by Sandeep (Solution Posted, 11 Comments)
Difficulty: 3 of 5Knight vs King and Mines (in Games) Rating: 4.00
Posted on 2005-03-07 by Federico Kereki (Solution Posted, 15 Comments)
Difficulty: 2 of 5Maximum impossible score (in Games) Rating: 4.00
Posted on 2005-04-10 by e.g. (Solution Posted, 4 Comments)
Difficulty: 4 of 5Roll of the die (in Games) Rating: 4.11
Posted on 2005-04-21 by Hugo (Solution Posted, 23 Comments)
Difficulty: 2 of 5Reconstruct this chess game (in Games) Rating: 3.50
Posted on 2005-08-29 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 2 of 5What´s your score? (in Games) Rating: 4.50
Posted on 2005-07-30 by pcbouhid (Solution Posted, 39 Comments)
Difficulty: 3 of 5Infinite Tic-Tac-Toe (in Games) Rating: 3.00
Posted on 2006-06-09 by tomarken (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Ripley's IQ Game (in Games) Rating: 4.00
Posted on 2005-07-23 by brianjn (Solution Posted, 17 Comments)
Difficulty: 3 of 5Telephone thing (in Games) Rating: 4.14
Posted on 2005-07-06 by Hugo (Solution Posted, 15 Comments)
Difficulty: 2 of 5Identify the chess pieces (in Games) Rating: 3.00
Posted on 2006-01-09 by pcbouhid (Solution Posted, 15 Comments)
Difficulty: 3 of 5Battleships (in Games) Rating: 3.00
Posted on 2005-07-24 by Juggler (Solution Posted, 13 Comments)
Difficulty: 3 of 5Final Scores at the PrimeBowl (in Games)
Posted on 2007-11-28 by Dej Mar (Solution Posted, 10 Comments)
Difficulty: 1 of 5Möbius chess (in Games) Rating: 4.17
Posted on 2005-10-27 by Hugo (Solution Posted, 7 Comments)
Difficulty: 3 of 5Challenging Chess Championship (in Games) Rating: 3.33
Posted on 2005-11-16 by Old Original Oskar! (Solution Posted, 13 Comments)
Difficulty: 2 of 5ScrabbleŽ Scramble (in Games) Rating: 4.00
Posted on 2006-02-03 by Vernon Lewis (Solution Posted, 8 Comments)
Difficulty: 2 of 5An Occupied And Vacant Squares Problem (in Games) Rating: 2.50
Posted on 2006-03-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 510 Ultimate cribbage hands (in Games) Rating: 3.33
Posted on 2006-07-18 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Darting on one leg (in Games)
Posted on 2006-06-22 by Dej Mar (Solution Posted, 5 Comments)
Difficulty: 2 of 5The Dice Game (in Games) Rating: 3.67
Posted on 2005-11-04 by Gamer (Solution Posted, 12 Comments)
Difficulty: 4 of 5Rubik Cubed (in Games) Rating: 2.22
Posted on 2005-11-14 by Juggler (Solution Posted, 8 Comments)
Difficulty: 4 of 5The Ultimate Cribbage Hand (in Games) Rating: 3.33
Posted on 2006-06-07 by Jer (Solution Posted, 21 Comments)
Difficulty: 3 of 5Haunted mansion (in Games) Rating: 4.22
Posted on 2006-03-08 by Tristan (Solution Posted, 8 Comments)
Difficulty: 3 of 5Lazy Tennis (in Games) Rating: 4.33
Posted on 2006-03-27 by Chris, PhD (No Solution Yet, 25 Comments)
Difficulty: 3 of 5Prisoner's Dilemma (in Games) Rating: 3.00
Posted on 2005-10-06 by Gamer (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Pawns to stay put (in Games) Rating: 3.83
Posted on 2005-10-03 by Brian Smith (Solution Posted, 15 Comments)
Difficulty: 3 of 5Card game (in Games) Rating: 4.00
Posted on 2006-08-12 by atheron (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Oddwins (in Games) Rating: 4.00
Posted on 2006-10-03 by Salil (No Solution Yet, 11 Comments)
Difficulty: 4 of 5No Repeats (in Games) Rating: 4.50
Posted on 2006-09-13 by Charlie (Solution Posted, 7 Comments)
Difficulty: 4 of 5Lego query (in Games) Rating: 3.25
Posted on 2006-10-05 by joshua (No Solution Yet, 9 Comments)
Difficulty: 3 of 5No rows (in Games) Rating: 3.50
Posted on 2006-10-24 by Tristan (Solution Posted, 17 Comments)
Difficulty: 4 of 5Eight Gates (in Games) Rating: 4.33
Posted on 2006-09-29 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 2 of 5Bux in a Box (in Games) Rating: 3.00
Posted on 2007-02-14 by Kenny M (Solution Posted, 3 Comments)
Difficulty: 3 of 5Always greater (in Games) Rating: 3.50
Posted on 2007-04-14 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 4 of 5Greater Than Game (in Games) Rating: 3.33
Posted on 2007-04-24 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Face up Poker (in Games) Rating: 3.00
Posted on 2007-06-04 by e.g. (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Disarray - Anarchy At the White Court (in Games) Rating: 5.00
Posted on 2007-10-19 by brianjn (Solution Posted, 18 Comments)
Difficulty: 3 of 5Disarray - Now, Rife At the Black Court (in Games) Rating: 3.00
Posted on 2007-10-25 by brianjn (Solution Posted, 6 Comments)
Difficulty: 3 of 5Tennis Balls (in Games) Rating: 5.00
Posted on 2008-01-29 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5The missing piece (chess) (in Games) Rating: 4.00
Posted on 2008-06-12 by pcbouhid (Solution Posted, 16 Comments)
Difficulty: 2 of 5King to F1 (in Games)
Posted on 2008-07-23 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 3 of 5Shuffle (in Games) Rating: 4.75
Posted on 2009-01-09 by brianjn (Solution Posted, 7 Comments)
Difficulty: 2 of 5Two players, two pots (in Games) Rating: 2.00
Posted on 2009-02-21 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 1 of 5A chess problem for beginners (in Games)
Posted on 2009-03-04 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5MineSweeper (in Games)
Posted on 2009-02-16 by Praneeth (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Knights' Tours - Long & Short (in Games) Rating: 4.00
Posted on 2009-05-05 by brianjn (Solution Posted, 7 Comments)
Difficulty: 2 of 5Maximizing chess moves (in Games)
Posted on 2009-06-11 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 53x3 Nim (in Games) Rating: 4.00
Posted on 2009-06-25 by Jer (Solution Posted, 26 Comments)
Difficulty: 3 of 5Playground Maze (in Games) Rating: 2.00
Posted on 2009-08-13 by brianjn (Solution Posted, 6 Comments)
Difficulty: 3 of 53x4 Knight Swap (in Games) Rating: 5.00
Posted on 2010-02-13 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5The Red Stack (in Games) Rating: 3.50
Posted on 2009-12-04 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 54x3 Knight Swap (in Games) Rating: 4.50
Posted on 2010-04-05 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Successive Stones Settlement (in Games) Rating: 5.00
Posted on 2010-05-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Enough is enough (in Games)
Posted on 2010-01-29 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5A square question (in Games) Rating: 3.00
Posted on 2010-10-12 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Non-Attacking Chess Pieces II (in Games)
Posted on 2010-08-23 by Dej Mar (Solution Posted, 7 Comments)
Difficulty: 4 of 5Optimal Card Drawing Strategy (in Games) Rating: 4.33
Posted on 2010-09-07 by Daniel (Solution Posted, 7 Comments)
Difficulty: 5 of 5Optimal Card Drawing Strategy 2 (in Games)
Posted on 2010-10-02 by Daniel (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Jump, Skip and Hop (in Games)
Posted on 2010-11-03 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5A binary enigma (in Games)
Posted on 2011-01-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Rook vs Bishop (in Games)
Posted on 2011-01-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 55-by-5 Square Tic-Tac-Toe (in Games) Rating: 4.00
Posted on 2012-01-26 by Dustin (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Checkers Run (in Games)
Posted on 2012-04-01 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Rainbow Towers (in Games)
Posted on 2012-02-23 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Mein Field (in Games) Rating: 3.50
Posted on 2012-07-05 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Chess Chance (in Games) Rating: 5.00
Posted on 2014-07-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Solitaire (in Games)
Posted on 2012-10-02 by brianjn (Solution Posted, 6 Comments)
Difficulty: 4 of 5The Death Slug (in Games)
Posted on 2012-10-18 by Dustin (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Coin Toss (in Games)
Posted on 2013-06-13 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5Fifteen Frolic (in Games)
Posted on 2013-02-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Colorful Win (in Games)
Posted on 2013-05-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Attack! (2) (in Games) Rating: 4.50
Posted on 2013-05-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Mating Moves (in Games)
Posted on 2013-05-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mirrored Moves (in Games) Rating: 5.00
Posted on 2013-05-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Chess game reconstruction (in Games)
Posted on 2013-06-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Queen Placements (in Games)
Posted on 2013-07-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Minus Cube (in Games)
Posted on 2013-04-18 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fifteen (in Games) Rating: 1.00
Posted on 2013-05-13 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Define winning strategy (in Games)
Posted on 2013-11-14 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Safe chess piece (in Games) Rating: 3.33
Posted on 2013-11-21 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Leonardo's game (in Games)
Posted on 2014-06-27 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 52012 Lamps (in Games) Rating: 5.00
Posted on 2015-04-17 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5What price glory? (in Games)
Posted on 2015-01-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cell Entry Expansion (in Games) Rating: 4.00
Posted on 2015-05-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rook Placement (in Games) Rating: 5.00
Posted on 2015-09-21 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Tax Collector (in Games)
Posted on 2015-05-26 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Fair? (in Games) Rating: 4.50
Posted on 2015-09-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Quit as a winner (in Games) Rating: 5.00
Posted on 2015-09-24 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Step right up! (in Games)
Posted on 2015-09-09 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Coin contest (in Games) Rating: 5.00
Posted on 2015-11-27 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Run away (in Games) Rating: 3.00
Posted on 2015-12-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Detect my chosen coin (in Games)
Posted on 2016-01-19 by Ady TZIDON (No Solution Yet, 19 Comments)
Difficulty: 4 of 5Restricted Rook Runaround (in Games)
Posted on 2016-01-05 by Brian Smith (No Solution Yet, 7 Comments)
Difficulty: 3 of 5a version of NIM (in Games) Rating: 4.00
Posted on 2016-02-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Save our souls (in Games) Rating: 4.00
Posted on 2016-06-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Moving a rook (in Games)
Posted on 2016-08-29 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Moving Two Rooks (in Games)
Posted on 2016-12-06 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 4 of 5First or second? (in Games) Rating: 3.00
Posted on 2017-05-23 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5Oleg or ErdĂśs? (in Games) Rating: 4.00
Posted on 2017-05-26 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 52 kids 3 boxes (in Games) Rating: 4.00
Posted on 2017-07-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Run Away Redux (in Games) Rating: 3.00
Posted on 2017-03-03 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Do not say ONE (in Games)
Posted on 2017-12-23 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 531 or more (in Games)
Posted on 2017-10-21 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Many Knights (in Games)
Posted on 2017-07-05 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 4 of 5More Than One Solution? (in Games) Rating: 3.00
Posted on 2017-10-26 by Charlie (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Dice stacking (in Games)
Posted on 2017-11-28 by TheKPAXian (No Solution Yet, 4 Comments)
Difficulty: 3 of 5White to move (in Games)
Posted on 2018-07-20 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Duelling pairs (in Games)
Posted on 2018-11-02 by Ady TZIDON (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Sudoku 1 (starting clues) (in Games) Rating: 1.00
Posted on 2018-11-30 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Grid nim: 2xN (in Games) Rating: 4.50
Posted on 2019-01-16 by Jer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Two players, three pots (in Games) Rating: 3.00
Posted on 2020-01-03 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Can you do it? (in Games)
Posted on 2020-06-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Euler and the Modern Army (in Games) Rating: 5.00
Posted on 2020-05-22 by broll (Solution Posted, 10 Comments)
Difficulty: 3 of 5Bishops galore (in Games) Rating: 4.00
Posted on 2021-09-01 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A nim variation (in Games) Rating: 5.00
Posted on 2021-12-09 by Jer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5 Queen and Bishop Query (in Games) Rating: 5.00
Posted on 2022-05-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tic Tac Toe III (in Games) Rating: 4.50
Posted on 2022-06-28 by K Sengupta (Solution Posted, 13 Comments)
Difficulty: 3 of 5Tic Tac Toe IV (in Games) Rating: 4.00
Posted on 2022-08-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Powerful portions (in Games) Rating: 4.00
Posted on 2022-02-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Line Up 2 (in Games)
Posted on 2023-02-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Wordle (in Games) Rating: 5.00
Posted on 2022-08-01 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Score Squares Crossed Two Squares Settlement (in Games) Rating: 5.00
Posted on 2023-04-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Almost Tic-Tac-Toe (in Games)
Posted on 2023-05-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Circle Constitution Crossed Person Removal Resolution (in Games) Rating: 5.00
Posted on 2023-06-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Smallest Square Chessboard (in Games) Rating: 4.00
Posted on 2023-01-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5NYT Vertex puzzle query (in Games)
Posted on 2023-03-23 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Flipper (in Games) Rating: 5.00
Posted on 2023-12-16 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Mayday (in Games)
Posted on 2023-11-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prime Lottery (in Games)
Posted on 2024-04-03 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5H & V nim (in Games)
Posted on 2024-10-23 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Solo Mancala (in Games)
Posted on 2024-05-31 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Knight Moves Function (in Games)
Posted on 2024-11-13 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A surprise exam (in Paradoxes) Rating: 3.37
Posted on 2002-04-26 by levik (Solution Posted, 39 Comments)
Difficulty: 4 of 5Where's the Bee facing? (in Paradoxes) Rating: 4.00
Posted on 2002-04-27 by levik (Solution Posted, 14 Comments)
Difficulty: 3 of 5The (in)famous Barber (in Paradoxes) Rating: 3.45
Posted on 2002-05-14 by levik (Solution Posted, 36 Comments)
Difficulty: 3 of 5The guilty demon (in Paradoxes) Rating: 4.19
Posted on 2002-05-29 by levik (Solution Posted, 39 Comments)
Difficulty: 4 of 5Logical Limbo (in Paradoxes) Rating: 3.20
Posted on 2002-08-12 by Cheradenine (Solution Posted, 33 Comments)
Difficulty: 3 of 5Oh my, Protagoras (in Paradoxes) Rating: 3.17
Posted on 2002-10-19 by JOTU (Solution Posted, 37 Comments)
Difficulty: 3 of 5Liar or not? (in Paradoxes) Rating: 2.71
Posted on 2002-11-12 by Raveen (Solution Posted, 38 Comments)
Difficulty: 3 of 5Achilles and the Tortoise (in Paradoxes) Rating: 3.08
Posted on 2002-11-22 by Raveen (Solution Posted, 31 Comments)
Difficulty: 3 of 5Aliens (in Paradoxes) Rating: 3.33
Posted on 2003-03-15 by ross jaenke (Solution Posted, 40 Comments)
Difficulty: 3 of 5True Or False - Part 1 (in Paradoxes) Rating: 2.60
Posted on 2003-04-24 by Ravi Raja (Solution Posted, 45 Comments)
Difficulty: 3 of 5Can Or Cannot (in Paradoxes) Rating: 3.58
Posted on 2003-04-30 by Ravi Raja (Solution Posted, 110 Comments)
Difficulty: 2 of 5True Or False - Part 2 (in Paradoxes) Rating: 2.50
Posted on 2003-05-07 by Ravi Raja (Solution Posted, 45 Comments)
Difficulty: 3 of 5Shortest Long Number (in Paradoxes) Rating: 3.08
Posted on 2004-04-15 by Sam (Solution Posted, 49 Comments)
Difficulty: 3 of 5On the house? (in Paradoxes) Rating: 3.76
Posted on 2003-10-31 by SilverKnight (Solution Posted, 25 Comments)
Difficulty: 3 of 5The two blacksmiths (in Paradoxes) Rating: 3.07
Posted on 2003-03-17 by Gareth (Solution Posted, 65 Comments)
Difficulty: 3 of 5All dogs are the same color! (in Paradoxes) Rating: 3.50
Posted on 2003-05-30 by Fernando (Solution Posted, 23 Comments)
Difficulty: 1 of 5No,no,no (in Paradoxes) Rating: 3.65
Posted on 2003-06-04 by Tim Axoy (Solution Posted, 53 Comments)
Difficulty: 3 of 5The grass is always greener... (in Paradoxes) Rating: 3.94
Posted on 2004-05-06 by Gamer (No Solution Yet, 46 Comments)
Difficulty: 4 of 5Marbles Bonanza (in Paradoxes) Rating: 3.62
Posted on 2003-09-08 by levik (Solution Posted, 87 Comments)
Difficulty: 3 of 5It is infinite if it isn't? (in Paradoxes) Rating: 3.00
Posted on 2005-04-12 by Old Original Oskar! (Solution Posted, 36 Comments)
Difficulty: 3 of 5Poisonous Dilemma (in Paradoxes) Rating: 3.85
Posted on 2004-04-19 by Victor Zapana (No Solution Yet, 84 Comments)
Difficulty: 4 of 5Provably unprovable? (in Paradoxes) Rating: 3.42
Posted on 2004-08-22 by Federico Kereki (Solution Posted, 36 Comments)
Difficulty: 3 of 5The Grass is Always Greener II (in Paradoxes) Rating: 3.83
Posted on 2005-08-11 by Sam (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Expect the unexpected (in Paradoxes) Rating: 3.36
Posted on 2006-02-15 by Paddy (Solution Posted, 32 Comments)
Difficulty: 3 of 5Are all complex numbers real? (in Paradoxes) Rating: 3.75
Posted on 2006-08-24 by atheron (No Solution Yet, 14 Comments)
Difficulty: 2 of 5The Game (in Paradoxes) Rating: 4.00
Posted on 2006-12-14 by Rob (No Solution Yet, 23 Comments)
Difficulty: 3 of 5Torus paradox (in Paradoxes) Rating: 4.40
Posted on 2007-01-02 by Tristan (Solution Posted, 8 Comments)
Difficulty: 3 of 5Hell Hath No Fury ... (in Paradoxes) Rating: 3.67
Posted on 2007-04-12 by Vernon Lewis (Solution Posted, 10 Comments)
Difficulty: 4 of 5Forced Win, Forced Loss, or Neutral? (in Paradoxes) Rating: 3.50
Posted on 2008-02-08 by FrankM (Solution Posted, 16 Comments)
Difficulty: 2 of 5Poker, solved (in Paradoxes) Rating: 3.50
Posted on 2008-03-29 by FrankM (Solution Posted, 11 Comments)
Difficulty: 1 of 5All in the Family (in Paradoxes) Rating: 2.33
Posted on 2008-05-26 by FrankM (Solution Posted, 10 Comments)
Difficulty: 3 of 5The Exclusive Club (in Paradoxes) Rating: 5.00
Posted on 2013-07-01 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Friendship paradox (in Paradoxes) Rating: 4.00
Posted on 2014-10-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Vive la petite diffĂŠrence! (in Paradoxes) Rating: 4.00
Posted on 2015-04-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Majority Opinion (in Paradoxes) Rating: 4.50
Posted on 2021-05-05 by tomarken (Solution Posted, 4 Comments)
Difficulty: 1 of 5 SupraRef Indexing (in Paradoxes) Rating: 5.00
Posted on 2023-03-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Getting to the Knights' city (in Liars and Knights) Rating: 3.44
Posted on 2002-04-26 by levik (Solution Posted, 18 Comments)
Difficulty: 2 of 5Escaping the dungeon (in Liars and Knights) Rating: 3.00
Posted on 2002-04-26 by levik (Solution Posted, 20 Comments)
Difficulty: 4 of 5A Banquet (in Liars and Knights) Rating: 3.93
Posted on 2002-04-27 by levik (Solution Posted, 4 Comments)
Difficulty: 2 of 5A trial (in Liars and Knights) Rating: 2.58
Posted on 2002-05-02 by levik (Solution Posted, 9 Comments)
Difficulty: 2 of 5Another trial (in Liars and Knights) Rating: 3.20
Posted on 2002-05-08 by levik (Solution Posted, 7 Comments)
Difficulty: 2 of 5Who has the key? (in Liars and Knights) Rating: 2.94
Posted on 2002-05-17 by levik (Solution Posted, 19 Comments)
Difficulty: 2 of 5The three friends (in Liars and Knights) Rating: 2.74
Posted on 2002-06-11 by levik (Solution Posted, 13 Comments)
Difficulty: 4 of 5Bob's Hat (in Liars and Knights) Rating: 3.67
Posted on 2002-06-13 by Nick Reed (Solution Posted, 12 Comments)
Difficulty: 4 of 5The Camping Trip (in Liars and Knights) Rating: 4.56
Posted on 2002-06-23 by Nick Reed (Solution Posted, 15 Comments)
Difficulty: 5 of 5Lost in the catacombs (in Liars and Knights) Rating: 4.33
Posted on 2002-06-25 by TomM (Solution Posted, 18 Comments)
Difficulty: 1 of 5Drew and Mohammad come back (in Liars and Knights) Rating: 2.48
Posted on 2003-04-30 by Tim Axoy (Solution Posted, 27 Comments)
Difficulty: 3 of 5Know Who Your Friends Are (in Liars and Knights) Rating: 2.90
Posted on 2003-09-05 by Bryan (Solution Posted, 7 Comments)
Difficulty: 1 of 5Who is Guilty ? (in Liars and Knights) Rating: 2.50
Posted on 2003-02-27 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 1 of 5Drew and Mohammad (in Liars and Knights) Rating: 3.62
Posted on 2003-04-08 by Tim Axoy (Solution Posted, 46 Comments)
Difficulty: 4 of 5The 37% Solution (in Liars and Knights) Rating: 4.29
Posted on 2003-06-24 by Bryan (Solution Posted, 15 Comments)
Difficulty: 4 of 5No Room at the Inn (in Liars and Knights) Rating: 4.50
Posted on 2003-06-25 by Bryan (Solution Posted, 18 Comments)
Difficulty: 2 of 5More knights,liars,and knaves (in Liars and Knights) Rating: 3.56
Posted on 2003-07-07 by Tim Axoy (Solution Posted, 19 Comments)
Difficulty: 3 of 5Unknown answers (in Liars and Knights) Rating: 4.00
Posted on 2003-05-13 by Tim Axoy (Solution Posted, 13 Comments)
Difficulty: 2 of 5Gold on the island (in Liars and Knights) Rating: 3.50
Posted on 2003-05-29 by Tim Axoy (Solution Posted, 15 Comments)
Difficulty: 1 of 5Knights,liars,and knaves (in Liars and Knights) Rating: 3.00
Posted on 2003-05-26 by Tim Axoy (Solution Posted, 14 Comments)
Difficulty: 3 of 5The Best Room at the Inn (in Liars and Knights) Rating: 3.86
Posted on 2003-05-16 by Bryan (Solution Posted, 20 Comments)
Difficulty: 3 of 5Three guys, a girl, and a fork. (in Liars and Knights) Rating: 3.14
Posted on 2003-09-03 by Gamer (Solution Posted, 10 Comments)
Difficulty: 4 of 5Knights being Liars? (in Liars and Knights) Rating: 3.46
Posted on 2003-06-10 by Jon (Solution Posted, 24 Comments)
Difficulty: 3 of 5Two Bank Robbers (in Liars and Knights) Rating: 3.25
Posted on 2003-06-27 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 3 of 5The Race (in Liars and Knights) Rating: 3.20
Posted on 2003-08-02 by Lewis (Solution Posted, 12 Comments)
Difficulty: 2 of 5Knowing the Natives (in Liars and Knights) Rating: 3.80
Posted on 2003-08-16 by Lewis (Solution Posted, 14 Comments)
Difficulty: 2 of 5Where's the Exit? (in Liars and Knights) Rating: 2.93
Posted on 2003-08-18 by Lewis (Solution Posted, 10 Comments)
Difficulty: 3 of 5Another Race (in Liars and Knights) Rating: 3.36
Posted on 2003-12-15 by Gamer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Soldiers and Sailors (in Liars and Knights) Rating: 3.89
Posted on 2003-09-01 by DJ (Solution Posted, 7 Comments)
Difficulty: 4 of 5Blargs, Grots and Cloystas (in Liars and Knights) Rating: 2.50
Posted on 2003-10-28 by Lewis (Solution Posted, 26 Comments)
Difficulty: 3 of 5Burger Buddies (in Liars and Knights) Rating: 4.20
Posted on 2003-11-27 by Gamer (Solution Posted, 19 Comments)
Difficulty: 2 of 5The Prime Club (in Liars and Knights) Rating: 3.75
Posted on 2004-02-03 by RoyCook (Solution Posted, 11 Comments)
Difficulty: 4 of 5Blindfolded (in Liars and Knights) Rating: 4.33
Posted on 2003-12-30 by Brian Smith (Solution Posted, 23 Comments)
Difficulty: 4 of 5It's unsolvable! (in Liars and Knights) Rating: 4.20
Posted on 2004-02-02 by Tristan (Solution Posted, 24 Comments)
Difficulty: 3 of 5Speak for yourself! (in Liars and Knights) Rating: 4.00
Posted on 2004-05-14 by Gamer (Solution Posted, 16 Comments)
Difficulty: 2 of 5Rickety Bridge (in Liars and Knights) Rating: 3.12
Posted on 2004-03-26 by Popstar Dave (Solution Posted, 33 Comments)
Difficulty: 2 of 5Liar, Liar, Pants on Fire. (in Liars and Knights) Rating: 2.67
Posted on 2004-04-21 by Victor Zapana (Solution Posted, 11 Comments)
Difficulty: 3 of 5Who stole the candy bar? (in Liars and Knights) Rating: 3.00
Posted on 2005-02-03 by Jane Doe (Solution Posted, 38 Comments)
Difficulty: 2 of 5The Knavy (in Liars and Knights) Rating: 2.80
Posted on 2004-05-27 by Captain Paradox (Solution Posted, 22 Comments)
Difficulty: 3 of 5Contest Results (in Liars and Knights) Rating: 3.25
Posted on 2004-07-04 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 4 of 5I'm a knight! Really! (in Liars and Knights) Rating: 4.30
Posted on 2004-12-07 by Tristan (Solution Posted, 18 Comments)
Difficulty: 4 of 5Backyard building bureaucracy (in Liars and Knights) Rating: 3.00
Posted on 2005-12-01 by scott (Solution Posted, 6 Comments)
Difficulty: 3 of 5A greek guilt (in Liars and Knights) Rating: 4.00
Posted on 2005-09-04 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 4 of 5Embezzlement (in Liars and Knights) Rating: 3.00
Posted on 2004-10-11 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Visiting Day at the Asylum (in Liars and Knights) Rating: 3.00
Posted on 2004-10-27 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Department Managers (in Liars and Knights) Rating: 3.29
Posted on 2004-10-31 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Only One Question (in Liars and Knights) Rating: 4.00
Posted on 2005-02-16 by Dustin (Solution Posted, 23 Comments)
Difficulty: 1 of 5I didn't do it. (in Liars and Knights) Rating: 1.73
Posted on 2004-11-04 by Erik O. (Solution Posted, 16 Comments)
Difficulty: 3 of 5Knight, Knave, and Liar Party (in Liars and Knights) Rating: 4.00
Posted on 2005-02-14 by Dustin (Solution Posted, 4 Comments)
Difficulty: 2 of 5Find the Antidote (in Liars and Knights) Rating: 4.29
Posted on 2005-05-20 by yocko (Solution Posted, 10 Comments)
Difficulty: 3 of 5Graduation Day (in Liars and Knights) Rating: 4.00
Posted on 2005-04-18 by Captain Paradox (Solution Posted, 6 Comments)
Difficulty: 3 of 5Just Jauntily Jousting (in Liars and Knights) Rating: 4.33
Posted on 2005-08-15 by Old Original Oskar! (Solution Posted, 9 Comments)
Difficulty: 2 of 5Marriages (in Liars and Knights) Rating: 3.00
Posted on 2005-09-24 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 1 of 5Ask for help (in Liars and Knights) Rating: 3.44
Posted on 2005-07-05 by Gamer (No Solution Yet, 41 Comments)
Difficulty: 5 of 5A Coquin Problem (in Liars and Knights) Rating: 4.00
Posted on 2006-07-11 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 2 of 5Professor Smith (in Liars and Knights) Rating: 3.44
Posted on 2005-07-13 by Dustin (Solution Posted, 17 Comments)
Difficulty: 4 of 5The Tiger, the Witch and the Wardrobe (in Liars and Knights) Rating: 4.55
Posted on 2006-04-10 by Leming (Solution Posted, 7 Comments)
Difficulty: 2 of 5An Identity Problem (in Liars and Knights) Rating: 3.50
Posted on 2006-08-17 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Odd people (in Liars and Knights) Rating: 4.44
Posted on 2005-09-12 by e.g. (Solution Posted, 13 Comments)
Difficulty: 2 of 5Election Polls (in Liars and Knights) Rating: 2.60
Posted on 2005-09-30 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5Land of Zoz (in Liars and Knights) Rating: 3.33
Posted on 2006-07-17 by Salil (No Solution Yet, 14 Comments)
Difficulty: 3 of 5One Native, Two Roads (in Liars and Knights) Rating: 3.83
Posted on 2006-05-22 by tomarken (Solution Posted, 21 Comments)
Difficulty: 2 of 5No honor among thieves (in Liars and Knights) Rating: 3.33
Posted on 2006-01-08 by fractaloon (Solution Posted, 12 Comments)
Difficulty: 2 of 5A Fourth Person Problem (in Liars and Knights) Rating: 3.17
Posted on 2006-11-01 by K Sengupta (Solution Posted, 16 Comments)
Difficulty: 2 of 5A horse of a different color (in Liars and Knights) Rating: 3.50
Posted on 2006-09-26 by e.g. (Solution Posted, 22 Comments)
Difficulty: 3 of 5As simple as it gets (in Liars and Knights) Rating: 4.50
Posted on 2006-09-02 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Chamsonel Problem (in Liars and Knights) Rating: 3.00
Posted on 2007-01-30 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5A Six Inhabitants Problem (in Liars and Knights) Rating: 3.00
Posted on 2007-02-14 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Another deadman in Knavesville (in Liars and Knights) Rating: 2.00
Posted on 2007-03-08 by Syzygy (No Solution Yet, 14 Comments)
Difficulty: 3 of 5The Big Banquet (in Liars and Knights) Rating: 3.67
Posted on 2007-02-09 by Assaf (Solution Posted, 15 Comments)
Difficulty: 5 of 5Pages and Squires (in Liars and Knights) Rating: 4.40
Posted on 2007-02-13 by Leming (Solution Posted, 7 Comments)
Difficulty: 3 of 5The Big Banquet 2 (in Liars and Knights) Rating: 3.00
Posted on 2007-03-01 by Assaf (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hello My Name is . . . (in Liars and Knights) Rating: 3.00
Posted on 2007-03-06 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Weddings (in Liars and Knights) Rating: 3.00
Posted on 2007-04-03 by Assaf (Solution Posted, 9 Comments)
Difficulty: 3 of 5The blurred note (in Liars and Knights) Rating: 4.00
Posted on 2007-04-10 by Assaf (Solution Posted, 8 Comments)
Difficulty: 3 of 5Strange Symmetric Sickness (in Liars and Knights) Rating: 4.33
Posted on 2007-04-13 by Old Original Oskar! (Solution Posted, 3 Comments)
Difficulty: 3 of 5The blurred note 2 (in Liars and Knights) Rating: 3.25
Posted on 2007-04-19 by Assaf (Solution Posted, 6 Comments)
Difficulty: 3 of 5Doctor, nurse and apprentice. (in Liars and Knights) Rating: 3.80
Posted on 2007-04-26 by Assaf (Solution Posted, 9 Comments)
Difficulty: 3 of 5Who Said What? (in Liars and Knights) Rating: 4.50
Posted on 2007-05-17 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 2 of 5Counting the Types (in Liars and Knights) Rating: 2.50
Posted on 2007-05-31 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5Counting the Types 2 (in Liars and Knights) Rating: 4.00
Posted on 2007-06-05 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 3 of 5A grok is a grok is a ... ? (in Liars and Knights) Rating: 3.00
Posted on 2007-06-29 by Federico Kereki (No Solution Yet, 11 Comments)
Difficulty: 1 of 5Know yourself (in Liars and Knights) Rating: 4.00
Posted on 2007-07-06 by Federico Kereki (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Doubleton (in Liars and Knights) Rating: 3.50
Posted on 2007-09-20 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 4 of 5Know thy Knaves (in Liars and Knights) Rating: 4.00
Posted on 2007-10-09 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5De Ja True? (in Liars and Knights)
Posted on 2007-09-29 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 1 of 5Donuts (in Liars and Knights) Rating: 4.00
Posted on 2007-11-05 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 5South Sea Treasure Hunt (in Liars and Knights)
Posted on 2008-02-21 by FrankM (Solution Posted, 5 Comments)
Difficulty: 4 of 5Election in Logistan (in Liars and Knights) Rating: 2.50
Posted on 2008-03-24 by FrankM (Solution Posted, 31 Comments)
Difficulty: 5 of 5Mission: Impossible? (in Liars and Knights) Rating: 3.00
Posted on 2008-04-20 by FrankM (Solution Posted, 15 Comments)
Difficulty: 3 of 5Who's Younger? (in Liars and Knights) Rating: 3.00
Posted on 2008-04-01 by Charlie (Solution Posted, 10 Comments)
Difficulty: 4 of 5Knave Contest (in Liars and Knights) Rating: 4.00
Posted on 2008-04-03 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 2 of 5Two Digit Number (in Liars and Knights) Rating: 3.50
Posted on 2008-05-30 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5Lucky and Unlucky Numbers (in Liars and Knights) Rating: 4.67
Posted on 2009-02-01 by Praneeth (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Twins (in Liars and Knights) Rating: 5.00
Posted on 2009-01-07 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5The Rebel II (in Liars and Knights) Rating: 5.00
Posted on 2009-11-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Rebel III (in Liars and Knights) Rating: 5.00
Posted on 2010-01-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Man At The Intersection (in Liars and Knights) Rating: 5.00
Posted on 2009-10-31 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5The Rebel IV (in Liars and Knights) Rating: 5.00
Posted on 2010-01-30 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Nine Native Narrative (in Liars and Knights) Rating: 3.50
Posted on 2010-02-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Inherited Veracity II (in Liars and Knights) Rating: 5.00
Posted on 2014-09-12 by Dustin (No Solution Yet, 2 Comments)
Difficulty: 3 of 5X and Y (in Liars and Knights) Rating: 4.00
Posted on 2011-01-04 by Math Man (Solution Posted, 5 Comments)
Difficulty: 4 of 5Gold rush (in Liars and Knights) Rating: 4.50
Posted on 2011-01-24 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Knave trial (in Liars and Knights) Rating: 4.50
Posted on 2011-02-03 by Math Man (Solution Posted, 2 Comments)
Difficulty: 1 of 5Three people (in Liars and Knights)
Posted on 2011-02-14 by Math Man (Solution Posted, 3 Comments)
Difficulty: 2 of 5The Natives of Calendria (in Liars and Knights) Rating: 4.50
Posted on 2011-02-10 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5By Jove, we're leaving (I think)! (in Liars and Knights) Rating: 4.00
Posted on 2011-03-17 by rod hines (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Nulla Nec Plura (in Liars and Knights)
Posted on 2011-04-12 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Lies all around (in Liars and Knights) Rating: 4.67
Posted on 2011-06-04 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Joe's favorite number (in Liars and Knights) Rating: 4.00
Posted on 2011-04-27 by Math Man (Solution Posted, 4 Comments)
Difficulty: 4 of 5Knights and Liars of the Round Table (in Liars and Knights) Rating: 3.00
Posted on 2011-06-10 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5Type deduction (in Liars and Knights) Rating: 4.50
Posted on 2011-12-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Four people (in Liars and Knights) Rating: 4.00
Posted on 2011-11-28 by Math Man (Solution Posted, 3 Comments)
Difficulty: 2 of 5Running Race (in Liars and Knights) Rating: 4.00
Posted on 2012-01-31 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Viable Vocations (in Liars and Knights)
Posted on 2012-04-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Type Deduction II (in Liars and Knights) Rating: 5.00
Posted on 2012-04-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Island President (in Liars and Knights)
Posted on 2012-05-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hillside Shepherds (in Liars and Knights) Rating: 5.00
Posted on 2012-07-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Revoltosos (in Liars and Knights)
Posted on 2012-07-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Who stole the Perplexicon? (in Liars and Knights) Rating: 5.00
Posted on 2012-01-11 by Dustin (Solution Posted, 10 Comments)
Difficulty: 5 of 5Inherited Veracity (in Liars and Knights) Rating: 5.00
Posted on 2012-02-09 by Dustin (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A Chamsonel Problem VII (in Liars and Knights) Rating: 3.00
Posted on 2014-06-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Turn Tease (in Liars and Knights) Rating: 2.50
Posted on 2012-08-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Arm Appraisal (in Liars and Knights) Rating: 5.00
Posted on 2012-09-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5A Chamsonel Problem II (in Liars and Knights) Rating: 2.00
Posted on 2012-10-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Liars Logic 2 (in Liars and Knights)
Posted on 2014-03-17 by tomarken (Solution Posted, 2 Comments)
Difficulty: 3 of 5Liars Logic (in Liars and Knights) Rating: 4.00
Posted on 2014-03-13 by tomarken (Solution Posted, 1 Comments)
Difficulty: 2 of 5Knaves! (in Liars and Knights) Rating: 4.00
Posted on 2012-05-21 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5The way to Normalville (in Liars and Knights) Rating: 3.75
Posted on 2012-10-05 by Math Man (Solution Posted, 13 Comments)
Difficulty: 3 of 5House Hindrance (in Liars and Knights) Rating: 4.25
Posted on 2012-11-01 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5A Chamsonel Problem III (in Liars and Knights)
Posted on 2012-11-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5A Chamsonel Problem IV (in Liars and Knights) Rating: 3.00
Posted on 2012-12-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Arm Appraisal II (in Liars and Knights) Rating: 3.00
Posted on 2012-12-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 5 of 5Metapuzzle (in Liars and Knights) Rating: 5.00
Posted on 2012-09-13 by Math Man (Solution Posted, 5 Comments)
Difficulty: 3 of 5Knight Inference (in Liars and Knights) Rating: 4.00
Posted on 2012-12-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Arm Appraisal III (in Liars and Knights) Rating: 5.00
Posted on 2012-12-21 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Arm Appraisal IV (in Liars and Knights)
Posted on 2013-01-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Six Natives (in Liars and Knights) Rating: 3.50
Posted on 2013-01-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Money Muddle (in Liars and Knights)
Posted on 2013-02-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Liar Lock (in Liars and Knights) Rating: 4.00
Posted on 2013-02-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Ornament Orientation (in Liars and Knights) Rating: 5.00
Posted on 2013-03-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Fiancé Resolution (in Liars and Knights) Rating: 5.00
Posted on 2013-03-25 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Veracity Verification (in Liars and Knights) Rating: 2.67
Posted on 2013-04-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Race Winner (in Liars and Knights) Rating: 2.00
Posted on 2013-05-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Thief Visualization (in Liars and Knights)
Posted on 2013-06-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Crime Commitment Conclusion (in Liars and Knights) Rating: 3.50
Posted on 2013-08-12 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Crime Commitment Conclusion II (in Liars and Knights) Rating: 3.00
Posted on 2013-09-12 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Five Natives (in Liars and Knights)
Posted on 2013-11-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Liar Logic (in Liars and Knights) Rating: 5.00
Posted on 2013-04-11 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Tribe Travail (in Liars and Knights)
Posted on 2014-01-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Which is Which III (in Liars and Knights) Rating: 5.00
Posted on 2014-01-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Knaves! 2 (in Liars and Knights) Rating: 3.00
Posted on 2013-10-22 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Neighbor Ponder (in Liars and Knights)
Posted on 2014-02-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Chamsonel Problem V (in Liars and Knights) Rating: 2.50
Posted on 2014-03-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A Chamsonel Problem VI (in Liars and Knights) Rating: 5.00
Posted on 2014-05-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Wallet Wangle (in Liars and Knights) Rating: 5.00
Posted on 2014-04-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quiz Score Settlement (in Liars and Knights) Rating: 2.33
Posted on 2014-05-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Odd people 2 (in Liars and Knights) Rating: 2.67
Posted on 2014-10-07 by Math Man (Solution Posted, 2 Comments)
Difficulty: 2 of 5Count the Liars (in Liars and Knights) Rating: 3.00
Posted on 2014-12-23 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Island Adventure (in Liars and Knights) Rating: 3.00
Posted on 2015-03-26 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Island Adventure 2 (in Liars and Knights) Rating: 3.00
Posted on 2015-04-21 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 1 of 56 or less liars (in Liars and Knights) Rating: 3.50
Posted on 2015-11-13 by Ady TZIDON (Solution Posted, 17 Comments)
Difficulty: 1 of 5Never on Sunday (in Liars and Knights)
Posted on 2016-04-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Find the killer (in Liars and Knights) Rating: 5.00
Posted on 2016-06-20 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Lies, truth, and logic (in Liars and Knights) Rating: 1.00
Posted on 2017-02-09 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Legally Blonde (in Liars and Knights) Rating: 3.00
Posted on 2016-12-19 by Math Man (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Liars can figure (in Liars and Knights) Rating: 2.00
Posted on 2017-04-24 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Candy lover (in Liars and Knights)
Posted on 2017-06-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The trio (in Liars and Knights)
Posted on 2017-08-21 by Math Man (Solution Posted, 1 Comments)
Difficulty: 2 of 5X and Y 2 (in Liars and Knights)
Posted on 2019-01-28 by Math Man (Solution Posted, 4 Comments)
Difficulty: 1 of 5Butcher, Baker, Doctor, and Lawyer (in Liars and Knights) Rating: 5.00
Posted on 2019-04-02 by Charlie (Solution Posted, 1 Comments)
Difficulty: 5 of 5Knavish Arithmetic (in Liars and Knights) Rating: 4.67
Posted on 2019-05-25 by FrankM (Solution Posted, 2 Comments)
Difficulty: 1 of 5Timothy and Elizabeth (in Liars and Knights) Rating: 2.50
Posted on 2019-09-23 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pages and Squires 2 (in Liars and Knights)
Posted on 2020-10-08 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Liar Logic 2 (in Liars and Knights) Rating: 4.00
Posted on 2021-06-21 by Math Man (Solution Posted, 3 Comments)
Difficulty: 2 of 5Legally Blonde 2 (in Liars and Knights) Rating: 3.67
Posted on 2021-09-13 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Knights, Liars, and Spies II (in Liars and Knights) Rating: 4.00
Posted on 2022-02-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Age Disparities (in Liars and Knights) Rating: 4.00
Posted on 2021-12-06 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Knights, Liars, and Spies (in Liars and Knights) Rating: 5.00
Posted on 2022-02-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Knights, Liars, and Spies III (in Liars and Knights) Rating: 4.00
Posted on 2022-03-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Knights, Liars, and Spies IV (in Liars and Knights) Rating: 4.00
Posted on 2022-04-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Two Family Travail (in Liars and Knights) Rating: 4.00
Posted on 2022-05-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Apples, Bananas, and Oranges Puzzle (in Liars and Knights) Rating: 5.00
Posted on 2022-06-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Remote Island Crossed Veracity Muse (in Liars and Knights) Rating: 5.00
Posted on 2023-02-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Six Friends and a Wallet Puzzle (in Liars and Knights) Rating: 5.00
Posted on 2022-12-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Golfer Gauge II (in Liars and Knights) Rating: 5.00
Posted on 2023-02-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Heather's FiancĂŠ (in Liars and Knights) Rating: 5.00
Posted on 2023-02-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Many types (in Liars and Knights) Rating: 5.00
Posted on 2022-09-03 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An insane puzzle (in Liars and Knights) Rating: 5.00
Posted on 2023-11-11 by Math Man (No Solution Yet, 9 Comments)
Difficulty: 4 of 5John, Jack, A, and B (in Liars and Knights) Rating: 5.00
Posted on 2024-07-09 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The odd coin (in Weights and Scales) Rating: 3.17
Posted on 2002-05-01 by theBal (Solution Posted, 40 Comments)
Difficulty: 3 of 510 equal sacks (in Weights and Scales) Rating: 2.86
Posted on 2002-05-08 by levik (Solution Posted, 7 Comments)
Difficulty: 3 of 5Pearls (in Weights and Scales) Rating: 2.71
Posted on 2002-05-23 by levik (Solution Posted, 9 Comments)
Difficulty: 4 of 5A four-way division (in Weights and Scales) Rating: 3.75
Posted on 2002-06-12 by levik (Solution Posted, 13 Comments)
Difficulty: 2 of 5Painter's Pesky Problem (in Weights and Scales) Rating: 3.56
Posted on 2002-06-29 by Dulanjana (Solution Posted, 5 Comments)
Difficulty: 3 of 5The unplugged bath (in Weights and Scales) Rating: 3.13
Posted on 2002-07-03 by Nick Reed (Solution Posted, 19 Comments)
Difficulty: 3 of 5Escape from the Tower (in Weights and Scales) Rating: 3.45
Posted on 2002-09-19 by TomM (Solution Posted, 8 Comments)
Difficulty: 3 of 5The Rings (in Weights and Scales) Rating: 2.75
Posted on 2002-09-20 by TomM (Solution Posted, 1 Comments)
Difficulty: 2 of 5Tricky Pearls (in Weights and Scales) Rating: 3.78
Posted on 2002-10-08 by levik (Solution Posted, 15 Comments)
Difficulty: 2 of 5Trickier Pearls (in Weights and Scales) Rating: 2.50
Posted on 2002-10-08 by Happy (Solution Posted, 6 Comments)
Difficulty: 2 of 5Water Works (in Weights and Scales) Rating: 2.27
Posted on 2002-11-02 by scunny (Solution Posted, 18 Comments)
Difficulty: 3 of 55 weights (in Weights and Scales) Rating: 3.86
Posted on 2003-02-13 by Tara Ray (Solution Posted, 6 Comments)
Difficulty: 2 of 5Creating 5 weights (in Weights and Scales) Rating: 3.57
Posted on 2003-03-24 by Alan (Solution Posted, 10 Comments)
Difficulty: 5 of 5Many coins - one fake (in Weights and Scales) Rating: 3.71
Posted on 2003-05-14 by Jonathan Waltz (Solution Posted, 20 Comments)
Difficulty: 3 of 5Thirsty Farmer (in Weights and Scales) Rating: 3.00
Posted on 2003-07-09 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 3 of 5The Three Jugs (in Weights and Scales) Rating: 3.00
Posted on 2003-08-18 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 4 of 5Trickiest Pearls (in Weights and Scales) Rating: 3.00
Posted on 2003-04-02 by Alan (Solution Posted, 4 Comments)
Difficulty: 4 of 5First of 5 weights (in Weights and Scales) Rating: 2.14
Posted on 2003-04-14 by Alan (Solution Posted, 11 Comments)
Difficulty: 3 of 5Gasoline Problem (in Weights and Scales) Rating: 3.08
Posted on 2003-04-11 by chris (Solution Posted, 37 Comments)
Difficulty: 4 of 539 coins (in Weights and Scales) Rating: 4.13
Posted on 2003-04-23 by Jonathan Waltz (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Bag of Fake Coins (in Weights and Scales) Rating: 4.21
Posted on 2003-07-25 by Brian Smith (Solution Posted, 16 Comments)
Difficulty: 2 of 5Weights (in Weights and Scales) Rating: 2.33
Posted on 2003-06-23 by luvya (Solution Posted, 13 Comments)
Difficulty: 2 of 5You Say Potato (in Weights and Scales) Rating: 4.31
Posted on 2003-06-04 by DJ (Solution Posted, 8 Comments)
Difficulty: 4 of 5Scale game (in Weights and Scales) Rating: 4.20
Posted on 2003-08-06 by Cory Taylor (Solution Posted, 11 Comments)
Difficulty: 3 of 5Yet one more coin sorting problem (in Weights and Scales) Rating: 4.00
Posted on 2004-05-31 by Federico Kereki (Solution Posted, 20 Comments)
Difficulty: 3 of 5Sorting Coins (in Weights and Scales) Rating: 3.33
Posted on 2004-01-18 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 5A Cup Of Coffee (in Weights and Scales) Rating: 4.25
Posted on 2004-06-25 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 2 of 5Nails, Inc. (in Weights and Scales) Rating: 2.75
Posted on 2004-07-06 by Tristan (Solution Posted, 6 Comments)
Difficulty: 2 of 5Faulty Scales (in Weights and Scales) Rating: 4.25
Posted on 2004-05-23 by Victor Zapana (Solution Posted, 8 Comments)
Difficulty: 2 of 5Mixing Paint (in Weights and Scales) Rating: 3.00
Posted on 2004-06-06 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5Wrenches (in Weights and Scales) Rating: 3.00
Posted on 2004-07-02 by Brian Smith (Solution Posted, 13 Comments)
Difficulty: 3 of 5Four Weights (in Weights and Scales) Rating: 3.50
Posted on 2004-07-25 by Brian Smith (Solution Posted, 33 Comments)
Difficulty: 4 of 5Five Weights and a Broken Scale (in Weights and Scales) Rating: 3.70
Posted on 2004-08-02 by Brian Smith (Solution Posted, 17 Comments)
Difficulty: 3 of 5Special Similar Set (in Weights and Scales) Rating: 3.33
Posted on 2005-06-27 by Old Original Oskar! (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Wonderful Water Works (in Weights and Scales) Rating: 2.67
Posted on 2005-03-19 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 3 of 5Classic counterfeit coin problem (in Weights and Scales) Rating: 3.75
Posted on 2005-06-04 by McWorter (Solution Posted, 13 Comments)
Difficulty: 2 of 5Three Tests, Take Three! (in Weights and Scales) Rating: 4.50
Posted on 2005-06-23 by Old Original Oskar! (Solution Posted, 15 Comments)
Difficulty: 3 of 572 degrees (in Weights and Scales) Rating: 4.00
Posted on 2004-09-29 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 3 of 5Three Cups (in Weights and Scales) Rating: 2.17
Posted on 2004-10-25 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Twenty metal blocks (in Weights and Scales) Rating: 3.50
Posted on 2005-06-02 by pcbouhid (Solution Posted, 19 Comments)
Difficulty: 3 of 5Water and Oil (in Weights and Scales) Rating: 3.00
Posted on 2005-06-21 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 2 of 5The Difference Scale (in Weights and Scales) Rating: 4.33
Posted on 2005-07-01 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Two false coins (in Weights and Scales)
Posted on 2005-03-25 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 4 of 5Twelve Coins and a Broken Scale (in Weights and Scales) Rating: 3.67
Posted on 2005-06-24 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 4 of 5One or Two Fake Coins (in Weights and Scales) Rating: 3.67
Posted on 2005-09-13 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5More Scales and Measures (in Weights and Scales)
Posted on 2005-06-28 by Erik O. (Solution Posted, 6 Comments)
Difficulty: 3 of 5I Only Need Two - Part II (in Weights and Scales) Rating: 4.25
Posted on 2006-01-23 by Vernon Lewis (Solution Posted, 1 Comments)
Difficulty: 3 of 5Lemonade (in Weights and Scales) Rating: 3.40
Posted on 2005-07-26 by Tristan (Solution Posted, 18 Comments)
Difficulty: 3 of 5A Three Way Scale (in Weights and Scales) Rating: 4.00
Posted on 2005-09-05 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5I Only Need Two (in Weights and Scales) Rating: 3.50
Posted on 2005-11-09 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Two sets of Coins (in Weights and Scales) Rating: 3.50
Posted on 2005-10-07 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Which is Which (in Weights and Scales) Rating: 3.00
Posted on 2006-07-07 by Salil (No Solution Yet, 15 Comments)
Difficulty: 5 of 5Radioactive Coins (in Weights and Scales) Rating: 4.50
Posted on 2006-10-17 by David Shin (No Solution Yet, 20 Comments)
Difficulty: 5 of 5Ceremonial Stones (in Weights and Scales) Rating: 3.00
Posted on 2006-11-14 by Bractals (Solution Posted, 26 Comments)
Difficulty: 3 of 5Weighing Coins (in Weights and Scales) Rating: 5.00
Posted on 2007-02-21 by Dennis (Solution Posted, 6 Comments)
Difficulty: 3 of 5Four Coins and Three Weighings (in Weights and Scales) Rating: 4.33
Posted on 2007-03-08 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5Unreliable scale (in Weights and Scales) Rating: 3.00
Posted on 2008-02-28 by FrankM (Solution Posted, 3 Comments)
Difficulty: 3 of 5Circular Balance (in Weights and Scales) Rating: 2.50
Posted on 2008-03-20 by brianjn (Solution Posted, 22 Comments)
Difficulty: 2 of 5Water at 76ş C (in Weights and Scales) Rating: 4.00
Posted on 2008-06-17 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 2 of 5True coins, fake coins (in Weights and Scales) Rating: 5.00
Posted on 2008-10-23 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 5Multipan Balance (in Weights and Scales) Rating: 3.00
Posted on 2009-01-18 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Precariously Balanced (in Weights and Scales)
Posted on 2009-12-22 by brianjn (Solution Posted, 10 Comments)
Difficulty: 3 of 5Weights that check themselves. (in Weights and Scales)
Posted on 2010-11-23 by broll (Solution Posted, 6 Comments)
Difficulty: 4 of 5Upgrade to 13 (in Weights and Scales) Rating: 3.00
Posted on 2011-02-16 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Comparing weights (in Weights and Scales) Rating: 4.00
Posted on 2014-09-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Which is Which II (in Weights and Scales)
Posted on 2012-02-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A Cup Of Coffee II (in Weights and Scales)
Posted on 2012-03-06 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Sorting Coins II (in Weights and Scales) Rating: 5.00
Posted on 2012-03-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Most Trickiest Pearls (in Weights and Scales)
Posted on 2012-06-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 56 weights (in Weights and Scales)
Posted on 2012-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Machine Machinations (in Weights and Scales)
Posted on 2012-07-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Nine Marbles (in Weights and Scales) Rating: 4.50
Posted on 2014-09-20 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Ninety nine coins plus one catch (in Weights and Scales)
Posted on 2014-06-01 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Ratio Resolution III (in Weights and Scales) Rating: 4.00
Posted on 2012-12-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5From Russia with love (in Weights and Scales)
Posted on 2012-08-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Weights and balls (in Weights and Scales) Rating: 4.00
Posted on 2013-01-09 by Philip7086 (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Commemorations (in Weights and Scales) Rating: 3.00
Posted on 2013-02-06 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Temperature Temperament III (in Weights and Scales)
Posted on 2013-08-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Feet-Inch Transpose (in Weights and Scales) Rating: 5.00
Posted on 2013-12-06 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Slippery Supplier (in Weights and Scales)
Posted on 2013-11-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Pumpkins 4 (in Weights and Scales) Rating: 4.00
Posted on 2014-01-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pumpkins 3 (in Weights and Scales) Rating: 4.50
Posted on 2014-01-22 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Take the right one (in Weights and Scales) Rating: 3.00
Posted on 2013-10-18 by Ady TZIDON (No Solution Yet, 18 Comments)
Difficulty: 3 of 5One out of ninety (in Weights and Scales) Rating: 4.00
Posted on 2013-12-17 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Finding Good Batteries (in Weights and Scales) Rating: 4.50
Posted on 2013-11-11 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Balancing weights (in Weights and Scales) Rating: 3.00
Posted on 2014-11-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 54 labeled coins (in Weights and Scales) Rating: 3.00
Posted on 2016-02-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pumpkins 5 (in Weights and Scales) Rating: 3.00
Posted on 2016-01-06 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Jar Trial (in Weights and Scales) Rating: 5.00
Posted on 2016-01-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5One out of Five (in Weights and Scales) Rating: 3.00
Posted on 2016-01-04 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two Light Coins (in Weights and Scales)
Posted on 2015-12-09 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 4 of 5The real McCoy (in Weights and Scales)
Posted on 2016-01-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 56 coins (in Weights and Scales) Rating: 4.25
Posted on 2016-01-13 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 59 coins prob (in Weights and Scales) Rating: 3.00
Posted on 2016-01-18 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5One of Sixteen (in Weights and Scales) Rating: 4.00
Posted on 2015-12-29 by Brian Smith (Solution Posted, 12 Comments)
Difficulty: 3 of 5Ratio Resolution IV (in Weights and Scales) Rating: 5.00
Posted on 2016-10-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Three Block Quickie (in Weights and Scales) Rating: 3.00
Posted on 2016-01-11 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5The heavy couple (in Weights and Scales)
Posted on 2016-04-22 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5No Equal Weighings (in Weights and Scales) Rating: 3.00
Posted on 2016-04-18 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Labeling Minimum (in Weights and Scales) Rating: 5.00
Posted on 2016-08-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5River Cross Resolution (in Weights and Scales) Rating: 5.00
Posted on 2016-10-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Restricted Five Coin Sort (in Weights and Scales)
Posted on 2016-07-14 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 4 of 5Five Pairs of Balls (in Weights and Scales)
Posted on 2016-07-22 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ball Series Insertion (in Weights and Scales)
Posted on 2016-07-29 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hands off! (in Weights and Scales) Rating: 3.00
Posted on 2017-05-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Unbalanced?- No problem (in Weights and Scales) Rating: 4.00
Posted on 2017-05-30 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5From right to left (in Weights and Scales) Rating: 4.00
Posted on 2017-06-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5One trial only! (in Weights and Scales)
Posted on 2018-10-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Half a dozen of weights (in Weights and Scales)
Posted on 2019-01-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5High speed horses (in Weights and Scales)
Posted on 2019-08-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Weight Obsessed Islander (in Weights and Scales)
Posted on 2019-11-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Counterfeit Coins Conclusion (in Weights and Scales) Rating: 5.00
Posted on 2022-02-28 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Ten Box Trial (in Weights and Scales) Rating: 4.00
Posted on 2022-04-29 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5A six-way division (in Weights and Scales) Rating: 5.00
Posted on 2022-11-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Two Hourglass Treat (in Weights and Scales) Rating: 4.00
Posted on 2022-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ratio Resolution VII (in Weights and Scales) Rating: 3.00
Posted on 2022-08-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Cask Mixture Muse (in Weights and Scales) Rating: 5.00
Posted on 2022-09-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sorting Coins III (in Weights and Scales) Rating: 4.00
Posted on 2022-10-26 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5L OR H (in Weights and Scales) Rating: 3.00
Posted on 2022-04-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Elevator Ride Resolution (in Weights and Scales) Rating: 5.00
Posted on 2023-01-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Three Hourglass Treat (in Weights and Scales)
Posted on 2024-07-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Weekend Rider (in Riddles) Rating: 2.17
Posted on 2002-05-09 by Chris Tyson (Solution Posted, 17 Comments)
Difficulty: 4 of 5Time is an illusion (in Riddles) Rating: 3.18
Posted on 2002-05-29 by Half-Mad (Solution Posted, 20 Comments)
Difficulty: 3 of 5Twins (in Riddles) Rating: 2.90
Posted on 2002-05-29 by Half-Mad (Solution Posted, 27 Comments)
Difficulty: 1 of 5Domestic Complications (in Riddles) Rating: 3.63
Posted on 2002-07-25 by Happy (Solution Posted, 5 Comments)
Difficulty: 1 of 5Big and Little Indian (in Riddles) Rating: 2.52
Posted on 2002-08-05 by Roxanne (Solution Posted, 11 Comments)
Difficulty: 1 of 5The Good Book (in Riddles) Rating: 3.77
Posted on 2002-08-05 by Roxanne (Solution Posted, 15 Comments)
Difficulty: 2 of 5Cops and Robbers (in Riddles) Rating: 1.88
Posted on 2002-08-17 by Hope (Solution Posted, 22 Comments)
Difficulty: 3 of 5Imprisoned! (Possibly for Insanity) (in Riddles) Rating: 2.17
Posted on 2002-08-18 by Hope (Solution Posted, 32 Comments)
Difficulty: 1 of 5Water, Water Everywhere (in Riddles) Rating: 2.29
Posted on 2002-08-19 by Hope (Solution Posted, 25 Comments)
Difficulty: 2 of 5Feet make you smarter? (in Riddles) Rating: 2.77
Posted on 2002-09-03 by levik (Solution Posted, 15 Comments)
Difficulty: 1 of 5How many letters? (in Riddles) Rating: 3.25
Posted on 2002-09-04 by Happy (Solution Posted, 49 Comments)
Difficulty: 2 of 5Oh, No! Not Again! (in Riddles) Rating: 3.10
Posted on 2002-09-23 by friedlinguini (Solution Posted, 11 Comments)
Difficulty: 1 of 5Errors (in Riddles) Rating: 3.95
Posted on 2002-10-21 by levik (Solution Posted, 39 Comments)
Difficulty: 1 of 5What am I (in Riddles) Rating: 3.07
Posted on 2002-10-29 by James (Solution Posted, 16 Comments)
Difficulty: 2 of 5A locked 7-11?! (in Riddles) Rating: 2.00
Posted on 2002-11-11 by Raveen (Solution Posted, 28 Comments)
Difficulty: 1 of 5Half or not (in Riddles) Rating: 2.95
Posted on 2002-11-14 by Raveen (Solution Posted, 28 Comments)
Difficulty: 1 of 5Mystery of the babies (in Riddles) Rating: 3.25
Posted on 2002-11-27 by Erin (Solution Posted, 23 Comments)
Difficulty: 2 of 5Unusual Month (in Riddles) Rating: 2.91
Posted on 2002-12-03 by friedlinguini (Solution Posted, 20 Comments)
Difficulty: 2 of 5Share! (in Riddles) Rating: 2.18
Posted on 2002-12-02 by Amanda (Solution Posted, 18 Comments)
Difficulty: 1 of 5Play on words (in Riddles) Rating: 3.44
Posted on 2003-01-11 by Happy (Solution Posted, 20 Comments)
Difficulty: 1 of 5Quick Brown Fox (in Riddles) Rating: 2.28
Posted on 2002-12-07 by cges (Solution Posted, 27 Comments)
Difficulty: 2 of 5What Do I Have? (in Riddles) Rating: 3.58
Posted on 2002-12-20 by cges (Solution Posted, 13 Comments)
Difficulty: 1 of 5Barrel (in Riddles) Rating: 2.50
Posted on 2003-01-12 by Jennifer (Solution Posted, 27 Comments)
Difficulty: 2 of 5Important Day (in Riddles) Rating: 3.10
Posted on 2002-12-29 by Dulanjana (Solution Posted, 19 Comments)
Difficulty: 1 of 5Girlfriend's name (in Riddles) Rating: 3.05
Posted on 2003-01-02 by terry (Solution Posted, 17 Comments)
Difficulty: 2 of 5What am I? (in Riddles) Rating: 2.55
Posted on 2003-01-03 by ... (Solution Posted, 25 Comments)
Difficulty: 2 of 5The Five Airy Creatures (in Riddles) Rating: 2.08
Posted on 2003-01-06 by Matthew Bobbins (Solution Posted, 13 Comments)
Difficulty: 1 of 5Funny business at the fountain (in Riddles) Rating: 2.28
Posted on 2003-01-08 by Matthew Bobbins (Solution Posted, 11 Comments)
Difficulty: 2 of 5Two men and the mountains (in Riddles) Rating: 1.73
Posted on 2003-01-16 by Jennifer (Solution Posted, 37 Comments)
Difficulty: 2 of 5Guessme One (in Riddles) Rating: 3.40
Posted on 2003-01-13 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 2 of 5The Slow But Rewarding Ride (in Riddles) Rating: 3.36
Posted on 2003-01-24 by Erin (Solution Posted, 16 Comments)
Difficulty: 2 of 5Guessme Two (in Riddles) Rating: 3.17
Posted on 2003-02-01 by Ravi Raja (Solution Posted, 17 Comments)
Difficulty: 3 of 5Guessme Three (in Riddles) Rating: 4.00
Posted on 2003-02-01 by Ravi Raja (Solution Posted, 8 Comments)
Difficulty: 2 of 5Guessme Four (in Riddles) Rating: 3.27
Posted on 2003-02-04 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 2 of 5Guessme Five (in Riddles) Rating: 3.50
Posted on 2003-02-04 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 1 of 5Guessme Six (in Riddles) Rating: 2.67
Posted on 2003-02-05 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 3 of 5Guessme Seven (in Riddles) Rating: 2.92
Posted on 2003-02-06 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 2 of 5Guessme Eight (in Riddles) Rating: 1.73
Posted on 2003-02-08 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 2 of 5Guessme Nine (in Riddles) Rating: 2.20
Posted on 2003-02-08 by Ravi Raja (Solution Posted, 11 Comments)
Difficulty: 3 of 5Life Cycle in Color (in Riddles) Rating: 2.79
Posted on 2003-02-05 by ... (Solution Posted, 29 Comments)
Difficulty: 3 of 5Greetings (in Riddles) Rating: 2.31
Posted on 2003-02-18 by Anoop (Solution Posted, 34 Comments)
Difficulty: 3 of 5Talking gibberish (in Riddles) Rating: 2.14
Posted on 2003-02-23 by Anoop (Solution Posted, 22 Comments)
Difficulty: 3 of 5Lateral thinking (in Riddles) Rating: 3.25
Posted on 2003-02-24 by Anoop (Solution Posted, 39 Comments)
Difficulty: 3 of 5Death came (in Riddles) Rating: 2.29
Posted on 2003-02-24 by Anoop (Solution Posted, 48 Comments)
Difficulty: 4 of 5Road Signs (in Riddles) Rating: 3.55
Posted on 2003-08-27 by Pickels (Solution Posted, 31 Comments)
Difficulty: 3 of 5Inside Out (in Riddles) Rating: 2.69
Posted on 2003-03-21 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 5 of 5Yes Sir! (in Riddles) Rating: 3.87
Posted on 2003-03-31 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 2 of 5Uninvited Guests (in Riddles) Rating: 1.72
Posted on 2003-04-22 by Ravi Raja (Solution Posted, 40 Comments)
Difficulty: 3 of 5The Three Friends (in Riddles) Rating: 2.33
Posted on 2003-04-29 by Ravi Raja (Solution Posted, 27 Comments)
Difficulty: 2 of 5Guessme Ten (in Riddles) Rating: 2.52
Posted on 2003-05-16 by Ravi Raja (Solution Posted, 31 Comments)
Difficulty: 2 of 5Adam and Eve (in Riddles) Rating: 2.42
Posted on 2003-05-28 by Ravi Raja (Solution Posted, 41 Comments)
Difficulty: 3 of 5Faces and Eyes (in Riddles) Rating: 1.62
Posted on 2003-06-10 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 3 of 5Leg Byes (in Riddles) Rating: 2.18
Posted on 2003-06-16 by Ravi Raja (Solution Posted, 18 Comments)
Difficulty: 1 of 5Red And Black (in Riddles) Rating: 1.92
Posted on 2003-06-18 by Ravi Raja (Solution Posted, 31 Comments)
Difficulty: 1 of 5Kiss kiss, Bang bang (in Riddles) Rating: 1.95
Posted on 2003-10-30 by FatBoy (Solution Posted, 23 Comments)
Difficulty: 3 of 5Murder down the street (in Riddles) Rating: 3.22
Posted on 2003-04-03 by Gautam (Solution Posted, 53 Comments)
Difficulty: 2 of 5Open or Closed? (in Riddles) Rating: 2.44
Posted on 2003-03-26 by Jonathan (Solution Posted, 19 Comments)
Difficulty: 3 of 5PRS(Q) (in Riddles) Rating: 3.50
Posted on 2003-06-26 by luvya (Solution Posted, 17 Comments)
Difficulty: 3 of 5Cleopatra and Marc Anthony (in Riddles) Rating: 3.20
Posted on 2003-04-22 by silvis (Solution Posted, 27 Comments)
Difficulty: 3 of 53 Years in One? (in Riddles) Rating: 3.52
Posted on 2003-05-27 by Jonathan Waltz (Solution Posted, 23 Comments)
Difficulty: 3 of 5How did he die? (in Riddles) Rating: 2.35
Posted on 2003-06-02 by Fernando (Solution Posted, 41 Comments)
Difficulty: 2 of 5Lopsided (in Riddles) Rating: 3.65
Posted on 2003-05-23 by DJ (Solution Posted, 22 Comments)
Difficulty: 3 of 5Honor your mother (in Riddles) Rating: 3.69
Posted on 2003-05-26 by DJ (Solution Posted, 19 Comments)
Difficulty: 2 of 5What happened? (in Riddles) Rating: 2.63
Posted on 2003-11-12 by Popstar Dave (Solution Posted, 28 Comments)
Difficulty: 2 of 5Gambling over drinking (in Riddles) Rating: 2.44
Posted on 2003-06-19 by Jon (Solution Posted, 34 Comments)
Difficulty: 2 of 5What Can I Be? (in Riddles) Rating: 2.53
Posted on 2003-06-22 by luvya (Solution Posted, 29 Comments)
Difficulty: 1 of 5The Baseball Game (in Riddles) Rating: 2.21
Posted on 2003-07-08 by Tristan (Solution Posted, 51 Comments)
Difficulty: 3 of 5Metaphysics.... (in Riddles) Rating: 2.44
Posted on 2003-07-22 by Chaz (Solution Posted, 45 Comments)
Difficulty: 3 of 5This man is real? (in Riddles) Rating: 3.58
Posted on 2003-07-17 by Chaz (Solution Posted, 25 Comments)
Difficulty: 1 of 5Farm Animal? (in Riddles) Rating: 2.40
Posted on 2003-08-03 by ethan (Solution Posted, 38 Comments)
Difficulty: 2 of 5Summer Vacation (in Riddles) Rating: 2.67
Posted on 2003-10-22 by FatBoy (Solution Posted, 41 Comments)
Difficulty: 2 of 5Lovelorn Snail (in Riddles) Rating: 2.81
Posted on 2003-11-27 by SilverKnight (Solution Posted, 84 Comments)
Difficulty: 1 of 5Bacon and Eggs (in Riddles) Rating: 2.82
Posted on 2004-09-10 by Billy Bob (Solution Posted, 72 Comments)
Difficulty: 4 of 5The Hundred Squares (in Riddles) Rating: 2.77
Posted on 2004-01-07 by Gamer (Solution Posted, 37 Comments)
Difficulty: 1 of 5Psychology (in Riddles) Rating: 3.23
Posted on 2003-12-17 by Vito (Solution Posted, 31 Comments)
Difficulty: 2 of 5who will marry the princess (in Riddles) Rating: 3.18
Posted on 2004-02-13 by pleasance (Solution Posted, 98 Comments)
Difficulty: 1 of 5What am I? (in Riddles) Rating: 2.03
Posted on 2004-05-10 by Popstar Dave (Solution Posted, 51 Comments)
Difficulty: 2 of 5Disappearance (not the answer) (in Riddles) Rating: 4.00
Posted on 2004-03-27 by Victor Zapana (Solution Posted, 25 Comments)
Difficulty: 3 of 5Poetry in motion (in Riddles) Rating: 3.61
Posted on 2004-03-25 by Dan (Solution Posted, 152 Comments)
Difficulty: 1 of 5Riddle of Scorn (in Riddles) Rating: 2.70
Posted on 2004-06-01 by Victor Zapana (Solution Posted, 69 Comments)
Difficulty: 3 of 5Three brothers (in Riddles) Rating: 4.40
Posted on 2005-12-14 by Enigma (Solution Posted, 15 Comments)
Difficulty: 3 of 5I think this is a good riddle, but hey, everyone's a critic (in Riddles) Rating: 3.72
Posted on 2004-11-18 by Jeremiah (Solution Posted, 72 Comments)
Difficulty: 2 of 5What song? (in Riddles) Rating: 3.30
Posted on 2005-02-16 by Hannie (Solution Posted, 23 Comments)
Difficulty: 1 of 5Wheelbarrow Race (in Riddles) Rating: 2.73
Posted on 2005-02-22 by Rob (Solution Posted, 46 Comments)
Difficulty: 2 of 5Four of us are in your field (in Riddles) Rating: 3.33
Posted on 2005-08-22 by Syzygy (Solution Posted, 23 Comments)
Difficulty: 3 of 5Where do I end up? (in Riddles) Rating: 3.33
Posted on 2005-03-04 by sarahbeth (Solution Posted, 23 Comments)
Difficulty: 1 of 5It is a riddle (in Riddles) Rating: 3.71
Posted on 2005-04-13 by Michael Cottle (Solution Posted, 90 Comments)
Difficulty: 3 of 5With my Power (in Riddles) Rating: 3.33
Posted on 2005-04-29 by Dave (Solution Posted, 25 Comments)
Difficulty: 4 of 5Leaf's Code (in Riddles) Rating: 3.57
Posted on 2005-05-24 by MathManiac (Solution Posted, 57 Comments)
Difficulty: 1 of 5Sign this love letter (in Riddles) Rating: 2.86
Posted on 2005-05-30 by pcbouhid (Solution Posted, 33 Comments)
Difficulty: 2 of 5Black ants marching (in Riddles) Rating: 2.73
Posted on 2005-03-31 by e.g. (Solution Posted, 23 Comments)
Difficulty: 1 of 53 in 1 (in Riddles) Rating: 2.89
Posted on 2005-08-01 by Dominique (Solution Posted, 26 Comments)
Difficulty: 3 of 5This Tongue of Mine (in Riddles) Rating: 3.83
Posted on 2005-08-05 by Dominique (Solution Posted, 28 Comments)
Difficulty: 2 of 5I am all around (in Riddles) Rating: 2.35
Posted on 2005-05-23 by Galvanic-Ray (Solution Posted, 102 Comments)
Difficulty: 3 of 5Floating Gracefully (in Riddles) Rating: 3.50
Posted on 2006-11-27 by Daniel (No Solution Yet, 25 Comments)
Difficulty: 3 of 5Lim and Jill (in Riddles) Rating: 3.00
Posted on 2006-04-21 by Wendy (No Solution Yet, 12 Comments)
Difficulty: 1 of 5Reaching for the sky (in Riddles) Rating: 2.25
Posted on 2005-12-19 by Enigma (Solution Posted, 22 Comments)
Difficulty: 2 of 5A thing that nothing is (in Riddles) Rating: 2.67
Posted on 2006-07-25 by Genesis Rowley (No Solution Yet, 19 Comments)
Difficulty: 2 of 5Lively (in Riddles) Rating: 3.80
Posted on 2005-08-03 by Wendy (Solution Posted, 41 Comments)
Difficulty: 3 of 5A case of misguided sheep. (in Riddles) Rating: 2.33
Posted on 2006-06-23 by Jack Lim (Solution Posted, 22 Comments)
Difficulty: 3 of 5Cherry, Sand and Grass (in Riddles) Rating: 4.31
Posted on 2005-10-24 by Juggler (Solution Posted, 26 Comments)
Difficulty: 1 of 5What am I? (in Riddles) Rating: 3.88
Posted on 2005-11-01 by Kathy (Solution Posted, 60 Comments)
Difficulty: 1 of 5A score for everyone (in Riddles) Rating: 3.60
Posted on 2005-08-26 by Syzygy (Solution Posted, 30 Comments)
Difficulty: 4 of 5First Supreme Syllable (in Riddles) Rating: 2.38
Posted on 2006-05-09 by Wendy (No Solution Yet, 12 Comments)
Difficulty: 3 of 5In the Woods... (in Riddles) Rating: 3.00
Posted on 2006-03-22 by Jak Dakars (No Solution Yet, 50 Comments)
Difficulty: 4 of 5Alone (in Riddles) Rating: 2.80
Posted on 2006-07-10 by Arghman (Solution Posted, 11 Comments)
Difficulty: 2 of 5Changing With the Times (in Riddles) Rating: 3.29
Posted on 2006-03-16 by Vernon Lewis (Solution Posted, 23 Comments)
Difficulty: 2 of 5Don't (blank), be happy... (in Riddles) Rating: 1.60
Posted on 2006-05-08 by Jack Lim (Solution Posted, 9 Comments)
Difficulty: 3 of 5Work Safety (in Riddles) Rating: 3.40
Posted on 2006-03-02 by Jessica (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Only one colour (in Riddles) Rating: 3.56
Posted on 2006-03-03 by Mish (No Solution Yet, 34 Comments)
Difficulty: 3 of 5What force (in Riddles) Rating: 3.00
Posted on 2006-03-05 by Mish (Solution Posted, 31 Comments)
Difficulty: 2 of 5what am I? (in Riddles) Rating: 3.50
Posted on 2005-10-21 by treefrog (Solution Posted, 44 Comments)
Difficulty: 1 of 5what a riddle!! (in Riddles) Rating: 3.21
Posted on 2005-09-11 by j441167 (No Solution Yet, 55 Comments)
Difficulty: 2 of 5One by one (in Riddles) Rating: 3.88
Posted on 2006-01-18 by Enigma (No Solution Yet, 25 Comments)
Difficulty: 2 of 5Standing for higher powers (in Riddles) Rating: 3.00
Posted on 2005-12-31 by Enigma (No Solution Yet, 29 Comments)
Difficulty: 1 of 5How can this be? (in Riddles) Rating: 4.00
Posted on 2005-12-04 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 1 of 5Two Armies (in Riddles) Rating: 3.83
Posted on 2006-02-23 by Joe (Solution Posted, 17 Comments)
Difficulty: 5 of 5One from Nine (in Riddles) Rating: 3.78
Posted on 2006-01-12 by Jak Dakars (Solution Posted, 6 Comments)
Difficulty: 2 of 5If you break me... (in Riddles) Rating: 3.43
Posted on 2006-01-15 by Jak Dakars (Solution Posted, 29 Comments)
Difficulty: 3 of 5Sabbath observance (in Riddles) Rating: 2.40
Posted on 2006-01-17 by goFish (Solution Posted, 17 Comments)
Difficulty: 4 of 5String Theory (in Riddles) Rating: 3.67
Posted on 2006-05-06 by Jack Lim (Solution Posted, 26 Comments)
Difficulty: 3 of 5Permanent (in Riddles) Rating: 4.10
Posted on 2005-11-21 by James (Solution Posted, 21 Comments)
Difficulty: 3 of 5My embrace (in Riddles) Rating: 3.43
Posted on 2006-02-12 by Dominique (No Solution Yet, 41 Comments)
Difficulty: 1 of 5In the Army (in Riddles) Rating: 2.67
Posted on 2006-02-01 by Enigma (No Solution Yet, 22 Comments)
Difficulty: 2 of 5Arcanum (in Riddles) Rating: 3.75
Posted on 2006-06-15 by Dej Mar (Solution Posted, 16 Comments)
Difficulty: 2 of 5Tame, yet wild (in Riddles) Rating: 3.78
Posted on 2005-12-20 by Enigma (Solution Posted, 35 Comments)
Difficulty: 3 of 5End of the Rainbow (in Riddles) Rating: 3.63
Posted on 2005-12-24 by tanx (Solution Posted, 24 Comments)
Difficulty: 3 of 5Will you see me? (in Riddles) Rating: 4.33
Posted on 2006-02-17 by Enigma (No Solution Yet, 20 Comments)
Difficulty: 5 of 5The object of halves (in Riddles) Rating: 3.00
Posted on 2006-05-03 by Jack Lim (Solution Posted, 17 Comments)
Difficulty: 2 of 5What is it?? (in Riddles) Rating: 3.33
Posted on 2006-03-29 by Joe (Solution Posted, 11 Comments)
Difficulty: 3 of 5Oooh... a dirty one... (in Riddles) Rating: 3.00
Posted on 2006-06-26 by Jack Lim (Solution Posted, 10 Comments)
Difficulty: 2 of 5Procrastination (in Riddles) Rating: 3.38
Posted on 2006-08-16 by Kevin (No Solution Yet, 48 Comments)
Difficulty: 4 of 5Weighty affairs... (in Riddles) Rating: 2.33
Posted on 2006-06-30 by Jack Lim (Solution Posted, 9 Comments)
Difficulty: 2 of 5Your soul mate? (in Riddles) Rating: 3.33
Posted on 2006-07-05 by Jack Lim (Solution Posted, 9 Comments)
Difficulty: 2 of 5tugged in all directions (in Riddles) Rating: 2.33
Posted on 2006-07-12 by Arghman (Solution Posted, 6 Comments)
Difficulty: 3 of 5A deceiving riddle (in Riddles) Rating: 3.22
Posted on 2006-07-31 by Arghman (No Solution Yet, 36 Comments)
Difficulty: 1 of 5aerodynamics (in Riddles) Rating: 3.25
Posted on 2006-07-20 by Arghman (Solution Posted, 15 Comments)
Difficulty: 1 of 5Medieval King (in Riddles) Rating: 3.00
Posted on 2006-08-10 by bookworm (Solution Posted, 13 Comments)
Difficulty: 3 of 5beheaded for benefits (in Riddles) Rating: 3.50
Posted on 2006-08-14 by bookworm (No Solution Yet, 9 Comments)
Difficulty: 1 of 5Think About It. (in Riddles) Rating: 3.44
Posted on 2006-09-28 by Rachael (Solution Posted, 22 Comments)
Difficulty: 2 of 5Healer of all (in Riddles) Rating: 3.25
Posted on 2006-12-04 by Daniel (Solution Posted, 9 Comments)
Difficulty: 2 of 5Miss Etticoat (in Riddles) Rating: 4.17
Posted on 2006-10-06 by Samuel Ballard (No Solution Yet, 43 Comments)
Difficulty: 1 of 5Cooking for the Native Americans (in Riddles) Rating: 1.67
Posted on 2007-01-12 by Charlie (Solution Posted, 5 Comments)
Difficulty: 1 of 5For the forty-something-ers (in Riddles) Rating: 3.40
Posted on 2007-01-10 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 1 of 5My riddle #1 (in Riddles) Rating: 1.88
Posted on 2007-02-18 by 11324789 (No Solution Yet, 12 Comments)
Difficulty: 3 of 5. . . of babes (in Riddles) Rating: 3.40
Posted on 2007-03-05 by Vernon Lewis (Solution Posted, 14 Comments)
Difficulty: 2 of 5Fast clock, slow clock (in Riddles) Rating: 2.50
Posted on 2007-04-11 by Tristan (Solution Posted, 16 Comments)
Difficulty: 2 of 5I'm fun for everyone (in Riddles) Rating: 2.89
Posted on 2007-04-23 by Katwoman (No Solution Yet, 23 Comments)
Difficulty: 3 of 5The Old Man's Riddle (in Riddles) Rating: 4.50
Posted on 2007-11-01 by Leming (No Solution Yet, 10 Comments)
Difficulty: 1 of 5On A Honeymoon (in Riddles) Rating: 4.50
Posted on 2007-11-03 by Matt (Solution Posted, 15 Comments)
Difficulty: 3 of 5Wise Wizard (in Riddles) Rating: 2.67
Posted on 2007-12-02 by Katwoman (No Solution Yet, 18 Comments)
Difficulty: 3 of 5The Motto (in Riddles) Rating: 2.50
Posted on 2008-04-06 by FrankM (Solution Posted, 6 Comments)
Difficulty: 2 of 5Elementary (in Riddles) Rating: 2.50
Posted on 2008-03-09 by FrankM (Solution Posted, 5 Comments)
Difficulty: 3 of 5Riddle of Many Layers (in Riddles) Rating: 3.50
Posted on 2008-06-03 by FrankM (Solution Posted, 7 Comments)
Difficulty: 2 of 5Do you have a card? (in Riddles) Rating: 2.33
Posted on 2008-05-12 by FrankM (Solution Posted, 12 Comments)
Difficulty: 2 of 5A woman, her car, and a hotel... (in Riddles) Rating: 5.00
Posted on 2009-01-13 by Sing4TheDay (Solution Posted, 10 Comments)
Difficulty: 3 of 5Why, it's elementary my dear 74851687! (in Riddles) Rating: 4.40
Posted on 2009-02-04 by rod hines (Solution Posted, 12 Comments)
Difficulty: 1 of 5An empty problem (in Riddles) Rating: 1.80
Posted on 2009-07-02 by Daniel (Solution Posted, 8 Comments)
Difficulty: 1 of 5World War I sword (in Riddles)
Posted on 2014-09-02 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Uncommonly Common (in Riddles) Rating: 5.00
Posted on 2014-10-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Play on words II (in Riddles) Rating: 5.00
Posted on 2012-06-19 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Entertainment Models (in Riddles)
Posted on 2012-06-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Rowald's Rime (in Riddles) Rating: 4.00
Posted on 2012-02-24 by broll (Solution Posted, 2 Comments)
Difficulty: 2 of 5Suicide Sequitur (in Riddles) Rating: 5.00
Posted on 2014-09-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Cheating by not cheating (in Riddles) Rating: 5.00
Posted on 2012-05-30 by Math Man (Solution Posted, 15 Comments)
Difficulty: 4 of 5Who am I? (in Riddles)
Posted on 2012-08-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Reasonable Suspicion (in Riddles) Rating: 2.00
Posted on 2013-04-01 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Role Models (in Riddles)
Posted on 2013-04-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A bee in my hand (in Riddles)
Posted on 2013-05-22 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Confused? (in Riddles)
Posted on 2013-02-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Narrative Anomaly (in Riddles)
Posted on 2013-09-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Not applicable to driving (in Riddles)
Posted on 2013-08-08 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Murderer Detection (in Riddles) Rating: 3.00
Posted on 2014-04-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Bamboo Baffle (in Riddles) Rating: 4.50
Posted on 2015-02-23 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Cinq Celeb Commonality (in Riddles) Rating: 3.00
Posted on 2015-02-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Quite a normal question (in Riddles) Rating: 5.00
Posted on 2015-02-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Potato puzzle (in Riddles)
Posted on 2015-01-13 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Role Models II (in Riddles)
Posted on 2015-08-18 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Ez & true (in Riddles)
Posted on 2015-08-17 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5What am I ? (in Riddles)
Posted on 2015-08-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Differing Schools (in Riddles) Rating: 5.00
Posted on 2016-05-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Murder Muse Resolution (in Riddles) Rating: 5.00
Posted on 2016-08-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Your creativity challenged (in Riddles)
Posted on 2017-11-15 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 1 of 5Way to go (in Riddles) Rating: 4.00
Posted on 2017-11-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Body parts (in Riddles) Rating: 5.00
Posted on 2018-11-06 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 3 of 52 Q&A (in Riddles) Rating: 4.00
Posted on 2021-03-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Ship Crime Conclusion (in Riddles) Rating: 3.00
Posted on 2022-08-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Three Children Demise Muse (in Riddles) Rating: 5.00
Posted on 2022-12-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Old Man Murder Muse (in Riddles) Rating: 4.00
Posted on 2022-10-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Who knows (in Riddles) Rating: 3.00
Posted on 2022-06-05 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Stay out of the jungle! (in Riddles) Rating: 4.50
Posted on 2022-06-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5See you (in Riddles) Rating: 3.00
Posted on 2022-06-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Recorder Mystery Muse (in Riddles) Rating: 5.00
Posted on 2023-02-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5I hover out there in darkness unseen (in Riddles) Rating: 5.00
Posted on 2023-03-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Not on Earth, not on the sky (in Riddles) Rating: 4.00
Posted on 2023-03-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5A teller of truth and lies (in Riddles) Rating: 5.00
Posted on 2023-06-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Eyed at cab (in Riddles)
Posted on 2023-02-09 by Steven Lord (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Multistory Demise Crossed Coin Toss Muse (in Riddles) Rating: 5.00
Posted on 2023-09-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5What is Half and Half (in Riddles) Rating: 4.00
Posted on 2023-03-09 by Larry (Solution Posted, 6 Comments)
Difficulty: 3 of 5The Intruder (in Riddles) Rating: 4.50
Posted on 2023-11-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Servant's Wish (in Riddles) Rating: 5.00
Posted on 2023-11-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5It's a Bird... No, It's a Plane......It's (in Riddles) Rating: 5.00
Posted on 2023-12-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Safe Robbery Imposter (in Riddles) Rating: 5.00
Posted on 2024-02-09 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 3 of 5I have Rivers, but no water (in Riddles)
Posted on 2024-08-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Is it a Bird .....Is it a Plane..... It's #2 (in Riddles)
Posted on 2024-08-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The first is needed to make quotes you see (in Riddles)
Posted on 2024-09-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Queen and the Chair (in Riddles) Rating: 4.00
Posted on 2024-09-10 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 4 of 5One and halfscore, the posts are showing (in Riddles)
Posted on 2024-09-16 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Mysterious Membership (in Riddles)
Posted on 2024-09-18 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Digits (in Sequences) Rating: 3.09
Posted on 2002-05-14 by levik (Solution Posted, 16 Comments)
Difficulty: 3 of 5Fill in the blank (in Sequences) Rating: 3.33
Posted on 2002-05-20 by levik (Solution Posted, 3 Comments)
Difficulty: 3 of 5What's Next? (in Sequences) Rating: 4.07
Posted on 2002-11-11 by Raveen (Solution Posted, 11 Comments)
Difficulty: 3 of 5What came first? (in Sequences) Rating: 3.00
Posted on 2002-12-04 by Cory Taylor (Solution Posted, 12 Comments)
Difficulty: 2 of 5The A, BB, CCs (in Sequences) Rating: 2.00
Posted on 2002-12-14 by cges (Solution Posted, 7 Comments)
Difficulty: 5 of 5Seven Entry Series (in Sequences) Rating: 2.27
Posted on 2002-12-11 by cges (Solution Posted, 9 Comments)
Difficulty: 3 of 5Complete the series (in Sequences) Rating: 3.20
Posted on 2003-02-10 by Gautam (Solution Posted, 11 Comments)
Difficulty: 4 of 5Sequential seasonings (in Sequences) Rating: 3.88
Posted on 2003-02-19 by Cory Taylor (Solution Posted, 10 Comments)
Difficulty: 3 of 5Musical Munchies (in Sequences) Rating: 2.14
Posted on 2004-06-18 by Victor Zapana (Solution Posted, 15 Comments)
Difficulty: 3 of 5Sequence Group (in Sequences) Rating: 3.40
Posted on 2003-09-23 by Gamer (Solution Posted, 8 Comments)
Difficulty: 2 of 5Number Alert (in Sequences) Rating: 2.11
Posted on 2003-02-27 by ashley (Solution Posted, 14 Comments)
Difficulty: 4 of 5Strange Sequence (in Sequences) Rating: 2.25
Posted on 2003-03-25 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Next in Line (in Sequences) Rating: 2.33
Posted on 2003-05-12 by Charlie (Solution Posted, 9 Comments)
Difficulty: 3 of 5Playing With Numbers (in Sequences) Rating: 3.88
Posted on 2003-04-16 by Ravi Raja (Solution Posted, 8 Comments)
Difficulty: 1 of 5Letter Sequence (in Sequences) Rating: 3.40
Posted on 2003-07-03 by Happy (Solution Posted, 8 Comments)
Difficulty: 4 of 5Sequence 1 (in Sequences) Rating: 2.40
Posted on 2003-06-27 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 3 of 5Sequence 2 (in Sequences) Rating: 2.83
Posted on 2003-08-03 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 5 of 5Square Sequence (in Sequences) Rating: 2.50
Posted on 2003-12-19 by Gamer (Solution Posted, 10 Comments)
Difficulty: 4 of 5Find the rule... (in Sequences) Rating: 3.40
Posted on 2003-03-13 by Filias Cupio (Solution Posted, 7 Comments)
Difficulty: 1 of 5Sequence 3 (in Sequences) Rating: 1.44
Posted on 2003-08-08 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5Flawless Series? (in Sequences) Rating: 3.10
Posted on 2003-11-29 by SilverKnight (Solution Posted, 93 Comments)
Difficulty: 3 of 5Before and After (in Sequences) Rating: 4.50
Posted on 2004-07-23 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 3 of 5Strange Series (in Sequences) Rating: 2.60
Posted on 2003-10-23 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 3 of 5Mikhail's Sequence (in Sequences) Rating: 4.20
Posted on 2004-06-13 by Victor Zapana (No Solution Yet, 16 Comments)
Difficulty: 2 of 5Cool sequence 2 (in Sequences) Rating: 4.31
Posted on 2003-05-07 by Tim Axoy (Solution Posted, 16 Comments)
Difficulty: 3 of 5You can't have your cake and eat it too. (in Sequences) Rating: 3.40
Posted on 2004-04-14 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 3 of 5Can You Find The Rule (in Sequences) Rating: 3.86
Posted on 2003-05-02 by luvya (Solution Posted, 11 Comments)
Difficulty: 3 of 5Cool sequence 1 (in Sequences) Rating: 3.50
Posted on 2003-04-24 by Tim Axoy (Solution Posted, 9 Comments)
Difficulty: 3 of 5Reusable Question (in Sequences) Rating: 4.00
Posted on 2003-06-26 by Gamer (Solution Posted, 16 Comments)
Difficulty: 5 of 5Old MacDonald Had a Sequence (in Sequences) Rating: 3.00
Posted on 2003-09-12 by Bryan (Solution Posted, 18 Comments)
Difficulty: 3 of 5Word Sequence 2 (in Sequences) Rating: 2.40
Posted on 2003-07-14 by luvya (Solution Posted, 12 Comments)
Difficulty: 3 of 5A Word Sequence (in Sequences) Rating: 2.14
Posted on 2003-07-13 by luvya (Solution Posted, 12 Comments)
Difficulty: 2 of 5Internal & External (in Sequences) Rating: 3.17
Posted on 2003-05-09 by brianjn (Solution Posted, 16 Comments)
Difficulty: 2 of 5Next Number? (in Sequences) Rating: 2.43
Posted on 2003-05-21 by mary (Solution Posted, 9 Comments)
Difficulty: 4 of 5Slash and Dash (in Sequences) Rating: 4.31
Posted on 2003-06-20 by DJ (Solution Posted, 12 Comments)
Difficulty: 1 of 5Nice sequence (in Sequences) Rating: 2.33
Posted on 2003-08-01 by Silly Jilly (Solution Posted, 10 Comments)
Difficulty: 1 of 5More Missing Numbers (in Sequences) Rating: 2.00
Posted on 2003-08-06 by Jonny Doe (Solution Posted, 9 Comments)
Difficulty: 3 of 5Next Numbers Please (in Sequences) Rating: 3.63
Posted on 2003-07-11 by Brian Smith (Solution Posted, 14 Comments)
Difficulty: 3 of 5Sensible Sequence (in Sequences) Rating: 3.50
Posted on 2003-07-15 by Gamer (Solution Posted, 6 Comments)
Difficulty: 4 of 5A bizarre sequence (in Sequences) Rating: 3.50
Posted on 2003-07-28 by Lewis (Solution Posted, 14 Comments)
Difficulty: 2 of 5perplexus problem (in Sequences) Rating: 2.50
Posted on 2005-03-09 by sragen (Solution Posted, 8 Comments)
Difficulty: 3 of 5Triangle Numbers (in Sequences) Rating: 3.00
Posted on 2003-08-07 by Lewis (Solution Posted, 9 Comments)
Difficulty: 3 of 5Sequence and Pattern Exam (in Sequences) Rating: 4.67
Posted on 2003-07-30 by Cory Taylor (Solution Posted, 7 Comments)
Difficulty: 3 of 5Ducks in a row (in Sequences) Rating: 4.42
Posted on 2003-08-04 by DJ (Solution Posted, 7 Comments)
Difficulty: 5 of 5Difficult Sequence (in Sequences) Rating: 3.67
Posted on 2003-10-18 by Freddy Grants (Solution Posted, 19 Comments)
Difficulty: 3 of 5Square sequence (in Sequences) Rating: 4.50
Posted on 2003-09-09 by Gamer (Solution Posted, 18 Comments)
Difficulty: 4 of 5Odd Sequence (in Sequences) Rating: 3.67
Posted on 2004-12-17 by Juggler (Solution Posted, 6 Comments)
Difficulty: 1 of 5Complete the pair (in Sequences) Rating: 3.67
Posted on 2005-11-29 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 3 of 5Another Word Sequence (in Sequences) Rating: 2.25
Posted on 2003-08-26 by luvya (Solution Posted, 7 Comments)
Difficulty: 5 of 5The Nth Sequence (in Sequences) Rating: 3.40
Posted on 2003-10-21 by Lewis (Solution Posted, 9 Comments)
Difficulty: 3 of 5Lotsa Sequences! (in Sequences) Rating: 3.78
Posted on 2003-10-26 by Lewis (Solution Posted, 6 Comments)
Difficulty: 3 of 5Line Drive (in Sequences) Rating: 4.40
Posted on 2003-10-03 by Gamer (Solution Posted, 20 Comments)
Difficulty: 1 of 5Random Sequence? (in Sequences) Rating: 4.00
Posted on 2004-06-28 by Juggler (Solution Posted, 8 Comments)
Difficulty: 4 of 5Number Series (in Sequences) Rating: 3.00
Posted on 2004-02-14 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 3 of 5Basic Concepts (in Sequences) Rating: 3.78
Posted on 2004-01-28 by DJ (Solution Posted, 7 Comments)
Difficulty: 2 of 5Sequence Sum (in Sequences) Rating: 2.60
Posted on 2003-12-08 by Gamer (Solution Posted, 8 Comments)
Difficulty: 3 of 5Shapely Figures (in Sequences) Rating: 2.50
Posted on 2003-12-12 by SilverKnight (Solution Posted, 10 Comments)
Difficulty: 4 of 5Prime real estate (in Sequences) Rating: 2.88
Posted on 2003-12-24 by Eric (Solution Posted, 12 Comments)
Difficulty: 3 of 5Three Sequences (in Sequences) Rating: 3.00
Posted on 2004-01-06 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 3 of 5Sequence Fill In (in Sequences) Rating: 3.50
Posted on 2004-01-13 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 4 of 5Repeated addition (in Sequences) Rating: 4.33
Posted on 2004-02-20 by Tristan (Solution Posted, 15 Comments)
Difficulty: 3 of 5Next Numbers Please #2 (in Sequences) Rating: 2.83
Posted on 2004-03-08 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 1 of 5Agent Argent and the Evil Dr. Levik (in Sequences) Rating: 3.20
Posted on 2004-03-16 by FatBoy (Solution Posted, 10 Comments)
Difficulty: 2 of 5Leaps of Faith (in Sequences) Rating: 3.60
Posted on 2004-11-15 by Juggler (Solution Posted, 12 Comments)
Difficulty: 3 of 5even sequence (in Sequences) Rating: 2.86
Posted on 2004-10-20 by GOM (Solution Posted, 6 Comments)
Difficulty: 3 of 510 Sequences (in Sequences) Rating: 3.56
Posted on 2004-04-23 by Victor Zapana (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Omikron, Rho, Sigma (in Sequences) Rating: 2.33
Posted on 2004-10-09 by Juggler (Solution Posted, 8 Comments)
Difficulty: 3 of 5decimal sequence (in Sequences) Rating: 3.00
Posted on 2004-11-30 by pleasance (Solution Posted, 6 Comments)
Difficulty: 5 of 5Red, Blue, and Yellow in Teens (in Sequences) Rating: 4.44
Posted on 2004-06-22 by Victor Zapana (Solution Posted, 5 Comments)
Difficulty: 5 of 5Next Numbers Please #3 (in Sequences) Rating: 3.91
Posted on 2004-06-01 by Brian Smith (Solution Posted, 30 Comments)
Difficulty: 2 of 5Sequence of Squares (in Sequences) Rating: 2.67
Posted on 2004-06-23 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5Interesting Sequence (in Sequences) Rating: 3.00
Posted on 2004-09-21 by SilverKnight (Solution Posted, 11 Comments)
Difficulty: 2 of 5Interesting sequence (2) (in Sequences) Rating: 4.00
Posted on 2004-09-24 by SilverKnight (Solution Posted, 6 Comments)
Difficulty: 1 of 5Interesting Sequence (3) (in Sequences) Rating: 2.67
Posted on 2004-10-04 by SilverKnight (Solution Posted, 10 Comments)
Difficulty: 2 of 5Tea Time (in Sequences) Rating: 2.67
Posted on 2005-05-11 by suman (Solution Posted, 9 Comments)
Difficulty: 2 of 5I recognise it..... .....A bit (in Sequences) Rating: 4.00
Posted on 2004-08-27 by Juggler (Solution Posted, 4 Comments)
Difficulty: 3 of 5Next Numbers Please #5 (in Sequences)
Posted on 2004-12-05 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 1 of 5Interesting Sequence (4) (in Sequences) Rating: 3.00
Posted on 2004-10-19 by SilverKnight (Solution Posted, 7 Comments)
Difficulty: 4 of 5Interesting Sequence (5) (in Sequences) Rating: 4.33
Posted on 2004-11-07 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 3 of 5What comes next? (in Sequences) Rating: 3.70
Posted on 2004-11-09 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 4 of 5Five Gold Rings (in Sequences) Rating: 3.50
Posted on 2005-01-08 by Juggler (Solution Posted, 8 Comments)
Difficulty: 1 of 5Letters (in Sequences) Rating: 2.75
Posted on 2004-07-07 by koi_person (Solution Posted, 5 Comments)
Difficulty: 2 of 5Tango (in Sequences) Rating: 3.14
Posted on 2004-11-11 by Jenny Turner (Solution Posted, 11 Comments)
Difficulty: 3 of 5Explicitly Stated (in Sequences) Rating: 4.00
Posted on 2004-08-18 by Gamer (No Solution Yet, 11 Comments)
Difficulty: 2 of 5"Coming Out" Sequence (in Sequences) Rating: 3.25
Posted on 2004-08-05 by ThoughtProvoker (Solution Posted, 6 Comments)
Difficulty: 2 of 5Merit Review (in Sequences) Rating: 4.29
Posted on 2004-09-28 by Richard (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Bit of a Problem (in Sequences) Rating: 4.00
Posted on 2004-12-07 by DJ (Solution Posted, 18 Comments)
Difficulty: 4 of 5Spot the Difference (in Sequences) Rating: 2.33
Posted on 2004-09-26 by Juggler (Solution Posted, 9 Comments)
Difficulty: 3 of 5Lowest & Highest (in Sequences) Rating: 3.33
Posted on 2005-02-24 by Syzygy (Solution Posted, 11 Comments)
Difficulty: 1 of 5Events (in Sequences) Rating: 2.00
Posted on 2005-02-10 by wcaexqdz (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Universal Order (in Sequences) Rating: 3.00
Posted on 2005-02-07 by Juggler (No Solution Yet, 14 Comments)
Difficulty: 3 of 5M&M (in Sequences) Rating: 2.00
Posted on 2004-11-26 by Erik O. (Solution Posted, 4 Comments)
Difficulty: 3 of 5Letters missing from letters. (in Sequences) Rating: 2.33
Posted on 2004-11-11 by Juggler (Solution Posted, 7 Comments)
Difficulty: 5 of 5Next Numbers Please #4 (in Sequences) Rating: 3.00
Posted on 2004-11-16 by Brian Smith (Solution Posted, 16 Comments)
Difficulty: 2 of 5Reasonably Rational Sequence (in Sequences) Rating: 2.75
Posted on 2005-06-02 by Dustin (Solution Posted, 6 Comments)
Difficulty: 3 of 5Shapes are too Deep (in Sequences) Rating: 3.60
Posted on 2005-06-01 by Dustin (Solution Posted, 5 Comments)
Difficulty: 2 of 5the 'I cannot tell 5 lies' sequence (in Sequences) Rating: 3.50
Posted on 2004-11-17 by GOM (Solution Posted, 8 Comments)
Difficulty: 1 of 5Another Simple Sequence (in Sequences) Rating: 3.60
Posted on 2004-12-22 by Erik O. (Solution Posted, 11 Comments)
Difficulty: 3 of 5Sequence of Squares 2 (in Sequences) Rating: 2.67
Posted on 2004-12-01 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5The Hole in My Web (in Sequences) Rating: 3.50
Posted on 2005-04-04 by Juggler (Solution Posted, 6 Comments)
Difficulty: 3 of 5Annual Base Revenue (in Sequences) Rating: 3.25
Posted on 2005-01-06 by Syzygy (Solution Posted, 5 Comments)
Difficulty: 2 of 5This will go on for a while. (in Sequences) Rating: 2.33
Posted on 2005-04-15 by ron (Solution Posted, 11 Comments)
Difficulty: 3 of 5It ain't Fibonacci (in Sequences) Rating: 4.00
Posted on 2005-02-22 by Erik O. (Solution Posted, 10 Comments)
Difficulty: 2 of 5Grows so slow... (in Sequences) Rating: 2.00
Posted on 2005-05-31 by jduval (Solution Posted, 13 Comments)
Difficulty: 3 of 5Magic Keyring (in Sequences) Rating: 3.00
Posted on 2005-03-28 by Erik O. (Solution Posted, 6 Comments)
Difficulty: 2 of 5p(p(x)) (in Sequences) Rating: 2.40
Posted on 2005-06-11 by Dustin (Solution Posted, 8 Comments)
Difficulty: 3 of 5Calculators at the ready.... (in Sequences) Rating: 3.25
Posted on 2005-04-30 by Fletch (Solution Posted, 16 Comments)
Difficulty: 2 of 5Extend, at the end (in Sequences) Rating: 4.17
Posted on 2005-05-04 by e.g. (Solution Posted, 9 Comments)
Difficulty: 3 of 5Double Trouble (in Sequences) Rating: 3.60
Posted on 2005-07-25 by Lisa (Solution Posted, 14 Comments)
Difficulty: 3 of 5Britannia Rule The Waves!! (in Sequences) Rating: 3.67
Posted on 2005-05-27 by Rob (Solution Posted, 26 Comments)
Difficulty: 2 of 5Count with me (in Sequences) Rating: 4.25
Posted on 2005-05-26 by Tristan (Solution Posted, 16 Comments)
Difficulty: 2 of 5Next Numbers Please #6 (in Sequences) Rating: 3.00
Posted on 2005-09-09 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 1 of 5Even, or Odd? (in Sequences) Rating: 2.00
Posted on 2005-06-20 by Dustin (Solution Posted, 15 Comments)
Difficulty: 2 of 5Digit Sequence (in Sequences) Rating: 3.63
Posted on 2005-06-28 by Jer (Solution Posted, 16 Comments)
Difficulty: 1 of 5Sequence of Letters (in Sequences) Rating: 2.67
Posted on 2005-07-15 by Dustin (Solution Posted, 5 Comments)
Difficulty: 1 of 5In Part (in Sequences) Rating: 4.50
Posted on 2005-07-19 by Juggler (Solution Posted, 9 Comments)
Difficulty: 2 of 5Et Tu, Brute? (in Sequences) Rating: 3.50
Posted on 2005-08-02 by Erik O. (Solution Posted, 18 Comments)
Difficulty: 1 of 5Just Key It In... (in Sequences) Rating: 3.50
Posted on 2005-08-06 by Erik O. (No Solution Yet, 6 Comments)
Difficulty: 2 of 5MovieMadness (in Sequences) Rating: 2.00
Posted on 2005-07-20 by Larry (Solution Posted, 22 Comments)
Difficulty: 4 of 5The late eight sequences (in Sequences) Rating: 4.00
Posted on 2005-08-19 by Tristan (Solution Posted, 17 Comments)
Difficulty: 3 of 5Must you overanalyze everything? (in Sequences) Rating: 4.33
Posted on 2006-08-18 by Alexis (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Britannia Rule The Waves Part 2 (in Sequences) Rating: 2.67
Posted on 2005-08-12 by Rob (Solution Posted, 8 Comments)
Difficulty: 4 of 5Britannia Rul-ed The Waves Part 3 (in Sequences) Rating: 3.33
Posted on 2005-08-25 by Rob (Solution Posted, 11 Comments)
Difficulty: 3 of 5A new kind of pattern? (in Sequences) Rating: 4.00
Posted on 2005-11-08 by sean (Solution Posted, 9 Comments)
Difficulty: 3 of 52nd difference sequence (in Sequences) Rating: 3.50
Posted on 2005-10-22 by Larry (Solution Posted, 11 Comments)
Difficulty: 4 of 5Fade sequence (in Sequences) Rating: 3.50
Posted on 2005-10-26 by Larry (Solution Posted, 5 Comments)
Difficulty: 3 of 5Skillful Sequence (in Sequences) Rating: 3.00
Posted on 2006-04-29 by Dan (Solution Posted, 15 Comments)
Difficulty: 3 of 5Sequence - 4 (in Sequences) Rating: 2.50
Posted on 2006-03-23 by Ravi Raja (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Austin Ruth (in Sequences) Rating: 4.00
Posted on 2006-04-08 by Mindrod (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Spell it out (in Sequences) Rating: 3.60
Posted on 2005-10-10 by Lisa (Solution Posted, 6 Comments)
Difficulty: 4 of 5Next Numbers Please #7 (in Sequences) Rating: 3.40
Posted on 2005-09-15 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 4 of 5A puzzling sequence (in Sequences) Rating: 3.86
Posted on 2005-11-13 by Hugo (Solution Posted, 4 Comments)
Difficulty: 2 of 5Proper sequence (in Sequences) Rating: 2.50
Posted on 2005-10-05 by Larry (Solution Posted, 19 Comments)
Difficulty: 2 of 5Missing Links (in Sequences) Rating: 5.00
Posted on 2006-09-08 by Salil (Solution Posted, 9 Comments)
Difficulty: 4 of 5Sum to Infinity - 1 (in Sequences) Rating: 3.88
Posted on 2006-03-11 by Ravi Raja (No Solution Yet, 13 Comments)
Difficulty: 3 of 5A 'well known' Sequence (in Sequences) Rating: 2.00
Posted on 2006-05-11 by Justin (Solution Posted, 8 Comments)
Difficulty: 4 of 5Sequence o' Fun (in Sequences) Rating: 3.00
Posted on 2006-01-25 by Joe (Solution Posted, 4 Comments)
Difficulty: 3 of 5Length Of Words (in Sequences) Rating: 4.33
Posted on 2006-01-30 by K Sengupta (Solution Posted, 15 Comments)
Difficulty: 4 of 5Primal Sequence (in Sequences) Rating: 2.00
Posted on 2005-11-21 by Dustin (Solution Posted, 6 Comments)
Difficulty: 3 of 5Euclid Squared (in Sequences) Rating: 4.00
Posted on 2006-01-26 by Dan (Solution Posted, 4 Comments)
Difficulty: 4 of 5619, 88, 101 (in Sequences) Rating: 4.00
Posted on 2006-01-28 by Joe (Solution Posted, 12 Comments)
Difficulty: 3 of 5As Easy As ... (in Sequences) Rating: 4.00
Posted on 2006-03-08 by Vernon Lewis (Solution Posted, 11 Comments)
Difficulty: 2 of 5A Capital Idea! (in Sequences) Rating: 4.00
Posted on 2006-01-24 by Dan (Solution Posted, 12 Comments)
Difficulty: 4 of 5Just a fraction off (in Sequences) Rating: 3.33
Posted on 2006-05-28 by Dej Mar (Solution Posted, 7 Comments)
Difficulty: 3 of 5Metasequence (in Sequences) Rating: 2.75
Posted on 2006-03-25 by Gamer (Solution Posted, 9 Comments)
Difficulty: 2 of 5Left Half (in Sequences) Rating: 3.00
Posted on 2005-10-13 by Juggler (Solution Posted, 2 Comments)
Difficulty: 2 of 5Another one of those niiice looong sequences (in Sequences) Rating: 2.14
Posted on 2005-09-29 by Rob (Solution Posted, 6 Comments)
Difficulty: 3 of 5Palindromic sequences (in Sequences) Rating: 3.71
Posted on 2005-10-31 by Bob Smith (Solution Posted, 16 Comments)
Difficulty: 4 of 5Basic knowledge (in Sequences) Rating: 5.00
Posted on 2006-01-10 by Alexis (Solution Posted, 5 Comments)
Difficulty: 3 of 5Broken display (in Sequences) Rating: 3.00
Posted on 2006-09-12 by Salil (Solution Posted, 10 Comments)
Difficulty: 3 of 5Given the term, find the number (in Sequences) Rating: 4.00
Posted on 2008-02-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5LCM Sequence (in Sequences) Rating: 4.50
Posted on 2006-08-19 by atheron (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Numbers of letters of numbers of letters of... (in Sequences) Rating: 3.50
Posted on 2006-09-10 by Alexis (No Solution Yet, 15 Comments)
Difficulty: 4 of 5An Ingenious Structure Problem (in Sequences)
Posted on 2007-01-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Twist in Sequence (in Sequences) Rating: 4.00
Posted on 2006-11-16 by brianjn (Solution Posted, 10 Comments)
Difficulty: 4 of 5Self-limited sequence (in Sequences) Rating: 3.25
Posted on 2006-12-14 by JLo (Solution Posted, 3 Comments)
Difficulty: 3 of 5Colourful set (in Sequences) Rating: 4.25
Posted on 2006-12-06 by atheron (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Consecutive Sequence ? (in Sequences) Rating: 4.33
Posted on 2007-03-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5What's Next? 2 (in Sequences)
Posted on 2007-01-13 by Dustin (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Square Pisano, Get Sequence? (in Sequences)
Posted on 2007-03-14 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Fifteen Jumbled (in Sequences) Rating: 3.00
Posted on 2006-12-29 by Jer (Solution Posted, 7 Comments)
Difficulty: 2 of 5Addition sequence (in Sequences)
Posted on 2007-01-09 by Tristan (Solution Posted, 5 Comments)
Difficulty: 4 of 5Stellar Words (in Sequences) Rating: 5.00
Posted on 2007-01-18 by Charlie (Solution Posted, 11 Comments)
Difficulty: 2 of 5Pair formed Sequence (in Sequences) Rating: 4.00
Posted on 2007-02-09 by Jer (Solution Posted, 6 Comments)
Difficulty: 4 of 5Next Numbers Please 8 (in Sequences) Rating: 4.00
Posted on 2007-03-15 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 52 Dimensional – 3 Dimensional (in Sequences) Rating: 3.00
Posted on 2007-04-09 by Syzygy (Solution Posted, 3 Comments)
Difficulty: 3 of 5Not Conway's Life (in Sequences) Rating: 3.50
Posted on 2007-04-08 by brianjn (Solution Posted, 1 Comments)
Difficulty: 3 of 5Alternating sextet (in Sequences)
Posted on 2007-03-30 by e.g. (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Simple Sequence (in Sequences) Rating: 4.00
Posted on 2007-05-07 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5Mean Sequence (in Sequences) Rating: 3.67
Posted on 2007-05-23 by Dennis (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sequential Series (in Sequences)
Posted on 2007-07-12 by jduval (Solution Posted, 5 Comments)
Difficulty: 3 of 54,4,4,4.... (in Sequences) Rating: 4.33
Posted on 2007-07-31 by jduval (Solution Posted, 8 Comments)
Difficulty: 4 of 5Missing Numbers Please (in Sequences) Rating: 4.33
Posted on 2007-08-21 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5oddmodonacci (in Sequences) Rating: 4.43
Posted on 2007-09-04 by jduval (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sequence Fill In 2 (in Sequences) Rating: 3.00
Posted on 2007-11-30 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sum Term Reciprocals (in Sequences) Rating: 3.00
Posted on 2008-02-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5These Letters (in Sequences) Rating: 3.00
Posted on 2008-02-07 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Undefined Term (in Sequences) Rating: 2.00
Posted on 2008-03-14 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 2 of 5Added Value (in Sequences) Rating: 2.43
Posted on 2008-04-13 by Charlie (Solution Posted, 8 Comments)
Difficulty: 2 of 5Point The Terms (in Sequences) Rating: 3.33
Posted on 2008-07-31 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5The missing letter (in Sequences) Rating: 4.00
Posted on 2008-08-22 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Seq.(Seq.(Seq.)) seeking sod (in Sequences) Rating: 3.00
Posted on 2009-03-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Hi Tech Sequence (in Sequences) Rating: 5.00
Posted on 2009-03-11 by Vernon Lewis (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sequence Trails (in Sequences)
Posted on 2009-05-14 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Shell Game (in Sequences)
Posted on 2009-06-18 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Ti-1 + 2*(Ti-1)-1 = 2*Ti + (Ti)-1 (in Sequences) Rating: 5.00
Posted on 2009-09-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Fractal Sequence (in Sequences)
Posted on 2009-09-18 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Square String Settlement (in Sequences) Rating: 3.00
Posted on 2010-01-28 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Progressive Pattern Poser (in Sequences) Rating: 3.00
Posted on 2010-03-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Cross Product Equality Settlement (in Sequences) Rating: 3.50
Posted on 2010-10-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5More than one way to skin a cat (in Sequences)
Posted on 2010-03-24 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 5Power Pattern Poser (in Sequences) Rating: 3.67
Posted on 2010-04-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Spelled Out Settlement (in Sequences) Rating: 5.00
Posted on 2010-08-24 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Alphabet Repeat Pattern Poser (in Sequences) Rating: 5.00
Posted on 2010-10-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Problem 23109650321 (in Sequences)
Posted on 2010-06-14 by John zadeh (Solution Posted, 3 Comments)
Difficulty: 4 of 5Fibo composes (in Sequences) Rating: 3.67
Posted on 2010-07-21 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5POWER CHAIN. (in Sequences)
Posted on 2010-07-22 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Keys to the World (in Sequences) Rating: 3.00
Posted on 2010-06-22 by Andre (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Prime, but not forever (in Sequences) Rating: 3.00
Posted on 2010-08-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Powered Greatest Root (in Sequences)
Posted on 2011-02-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5R&R (in Sequences)
Posted on 2010-08-25 by broll (Solution Posted, 5 Comments)
Difficulty: 2 of 5English and French (in Sequences) Rating: 4.00
Posted on 2010-09-01 by Charlie (Solution Posted, 8 Comments)
Difficulty: 4 of 5Digital Combo-Lock (in Sequences)
Posted on 2010-12-30 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 2 of 5A sequence (in Sequences) Rating: 3.50
Posted on 2011-01-14 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Basic Bewilderment (in Sequences)
Posted on 2011-06-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Time sequence (in Sequences)
Posted on 2011-03-10 by Math Man (Solution Posted, 1 Comments)
Difficulty: 2 of 5Any Guesses? (in Sequences)
Posted on 2011-05-05 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Tribonacci Travail (in Sequences)
Posted on 2011-08-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sloane will not help you (in Sequences) Rating: 4.33
Posted on 2011-05-15 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5One harder sequence (in Sequences)
Posted on 2011-05-24 by broll (No Solution Yet, 6 Comments)
Difficulty: 2 of 5One Easier Sequence (in Sequences)
Posted on 2011-05-17 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Sequence of wrong means (in Sequences)
Posted on 2011-05-26 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Interesting numbers (in Sequences) Rating: 3.00
Posted on 2011-06-07 by Math Man (Solution Posted, 3 Comments)
Difficulty: 2 of 5Fill in (in Sequences) Rating: 5.00
Posted on 2014-09-24 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Arithmetic Numbers Enumeration (in Sequences) Rating: 5.00
Posted on 2014-12-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Geometric, Arithmetic and Harmonic Harness (in Sequences) Rating: 4.00
Posted on 2014-10-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5SequiSearch (in Sequences) Rating: 3.00
Posted on 2011-07-24 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Sequence Addition (in Sequences) Rating: 4.00
Posted on 2011-08-03 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Proximo Ultimo Sum (in Sequences)
Posted on 2011-11-16 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Divisible (in Sequences) Rating: 4.00
Posted on 2011-09-30 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Electric Rabbits (in Sequences) Rating: 4.00
Posted on 2011-09-07 by Joshua (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two-digit numbers (in Sequences) Rating: 4.33
Posted on 2011-09-29 by Math Man (Solution Posted, 4 Comments)
Difficulty: 2 of 5Slow growing sequence (in Sequences)
Posted on 2011-10-20 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Over fourteen (in Sequences) Rating: 3.67
Posted on 2011-12-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Arithmetic and Geometric Addle (in Sequences) Rating: 5.00
Posted on 2014-10-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Fifth Term Settlement (in Sequences)
Posted on 2012-03-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Next word, please (in Sequences)
Posted on 2014-06-30 by Ady TZIDON (Solution Posted, 0 Comments)
Difficulty: 3 of 5Greatest GCD (in Sequences)
Posted on 2014-10-12 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Find Formula (in Sequences)
Posted on 2012-02-17 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Letter code (in Sequences) Rating: 4.50
Posted on 2012-02-27 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Many Multiples (in Sequences) Rating: 4.00
Posted on 2012-04-30 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Some sums (in Sequences)
Posted on 2012-03-26 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Date cubes ENUMERATION (in Sequences)
Posted on 2014-06-19 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Elementary is easy (in Sequences)
Posted on 2014-06-04 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 54 ways (in Sequences) Rating: 4.00
Posted on 2014-06-04 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5Pseudo-FIBO (in Sequences)
Posted on 2014-04-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5What is missing? (in Sequences)
Posted on 2014-10-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Non Sloane Muse (in Sequences) Rating: 5.00
Posted on 2014-06-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5In pi at last (in Sequences) Rating: 4.00
Posted on 2014-03-24 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Weird sequence (in Sequences)
Posted on 2012-04-07 by Math Man (Solution Posted, 1 Comments)
Difficulty: 3 of 5Serenity? (in Sequences)
Posted on 2012-05-22 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Pigeons again (in Sequences) Rating: 5.00
Posted on 2012-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5ET Intelligence? (in Sequences)
Posted on 2012-06-13 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Geometric Sequence Settlement III (in Sequences) Rating: 4.00
Posted on 2014-11-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5A tricky ricky quicky (in Sequences)
Posted on 2012-10-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Add 1, Get Harmonic (in Sequences) Rating: 4.00
Posted on 2013-01-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Consecutive in 2013 (in Sequences) Rating: 5.00
Posted on 2013-01-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Surprised? (in Sequences)
Posted on 2012-12-15 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Consecutive Contemplation II (in Sequences)
Posted on 2013-02-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Roman Resolve (in Sequences)
Posted on 2013-05-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Incredibly difficult sequence (in Sequences)
Posted on 2013-04-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5My new sequence (in Sequences)
Posted on 2012-12-08 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Greetings from P (in Sequences)
Posted on 2013-01-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Directly from Lucas (in Sequences)
Posted on 2014-04-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Products in A.P. (in Sequences)
Posted on 2013-02-01 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Integers only (in Sequences)
Posted on 2014-03-31 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Commemorations 2 (in Sequences)
Posted on 2013-02-11 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Commemorative triangles (in Sequences)
Posted on 2013-02-20 by Jer (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Grid Look (in Sequences) Rating: 5.00
Posted on 2013-07-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Fun sequence (in Sequences)
Posted on 2013-03-01 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Non Sloane Surmise (in Sequences)
Posted on 2013-08-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Geometric Sequence Settlement (in Sequences)
Posted on 2013-08-07 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Mystery Matrix (in Sequences)
Posted on 2013-07-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Sequence Term and Sum (in Sequences)
Posted on 2013-09-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Related Series (in Sequences)
Posted on 2013-08-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The 1979 Series (in Sequences)
Posted on 2013-08-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Mysterious Sequence (in Sequences) Rating: 3.50
Posted on 2013-09-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Square Crossed Sequence (in Sequences)
Posted on 2013-12-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Solution or solutions (in Sequences)
Posted on 2014-03-20 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Repeated Digits (in Sequences)
Posted on 2014-01-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Elementary Math (in Sequences) Rating: 5.00
Posted on 2013-05-24 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5No Triple Repetitions (in Sequences)
Posted on 2013-08-06 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Great sequence (in Sequences) Rating: 5.00
Posted on 2013-11-28 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 53 after 4 (in Sequences)
Posted on 2014-02-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic Sequence? (in Sequences)
Posted on 2014-04-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Deux Difference Deduction (in Sequences) Rating: 5.00
Posted on 2015-01-23 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Eight Product Exercise (in Sequences) Rating: 4.00
Posted on 2015-03-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Pokemon (in Sequences)
Posted on 2014-11-05 by Math Man (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Next one(s), please (in Sequences) Rating: 4.00
Posted on 2015-01-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Consecutive Count (in Sequences)
Posted on 2015-04-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5sum of digits and 100th term (in Sequences) Rating: 5.00
Posted on 2015-10-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Powers of Ten (in Sequences) Rating: 5.00
Posted on 2015-07-14 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Initial Term Identification (in Sequences) Rating: 5.00
Posted on 2015-07-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Arithmetic Product Puzzle (in Sequences) Rating: 5.00
Posted on 2015-08-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Find the last member (in Sequences)
Posted on 2015-03-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Double a triangle (in Sequences)
Posted on 2015-02-19 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sequence Count Conclusion (in Sequences) Rating: 5.00
Posted on 2015-10-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5The enigmatic one (in Sequences)
Posted on 2015-06-30 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Term Sum Settlement (in Sequences) Rating: 4.00
Posted on 2015-10-29 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Missing members (in Sequences)
Posted on 2015-09-29 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5No primes here (in Sequences) Rating: 5.00
Posted on 2015-11-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Tacit series (in Sequences)
Posted on 2015-10-23 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Fibonacci appears again (in Sequences)
Posted on 2015-08-21 by Jer (Solution Posted, 0 Comments)
Difficulty: 4 of 59-letter word II (in Sequences) Rating: 5.00
Posted on 2015-11-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5LCM and GCD Sequence (in Sequences) Rating: 5.00
Posted on 2016-04-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Generalizing II (in Sequences) Rating: 4.00
Posted on 2015-11-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Summing Consecutive Terms and Pair Determination (in Sequences) Rating: 5.00
Posted on 2015-11-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Who's next (in Sequences)
Posted on 2015-12-15 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Last term zero (in Sequences) Rating: 5.00
Posted on 2016-01-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mille and Remainder Resolution (in Sequences)
Posted on 2016-02-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Geometric and Three Power Travail (in Sequences) Rating: 5.00
Posted on 2016-02-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum 2001 Terms (in Sequences) Rating: 5.00
Posted on 2016-02-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Initial Term Illation (in Sequences)
Posted on 2016-02-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5An interesting matrix (in Sequences)
Posted on 2015-11-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 58th Term from Term Product (in Sequences) Rating: 5.00
Posted on 2016-03-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sum from Arithmetic and Geometric (in Sequences) Rating: 5.00
Posted on 2016-03-24 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Harmonic Harmony 2 (in Sequences) Rating: 5.00
Posted on 2016-03-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Complex Ratio and Number Resolution (in Sequences) Rating: 5.00
Posted on 2016-04-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Four From Arithmetic and Geometric (in Sequences) Rating: 4.50
Posted on 2016-04-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5First Term Finding (in Sequences)
Posted on 2016-05-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Four Digit Combination Conclusion (in Sequences) Rating: 5.00
Posted on 2016-05-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some sequences! (in Sequences)
Posted on 2015-12-18 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Term Finding with Floor (in Sequences)
Posted on 2016-06-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic Product Puzzle 2 (in Sequences) Rating: 4.00
Posted on 2016-06-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find the next two numbers (in Sequences)
Posted on 2016-01-21 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Fibonaccish ratio (in Sequences) Rating: 3.00
Posted on 2015-12-07 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Two related sequences (in Sequences)
Posted on 2015-12-30 by Jer (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Optimal Order (in Sequences)
Posted on 2016-02-10 by broll (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Seventh Term Settlement (in Sequences) Rating: 5.00
Posted on 2016-07-22 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Terrific sequence (in Sequences) Rating: 5.00
Posted on 2016-05-10 by Math Man (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A recursive sequence (in Sequences)
Posted on 2016-06-06 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Figuring Forty-Nine and Sequence (in Sequences) Rating: 5.00
Posted on 2016-10-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Terrific sequence 2 (in Sequences) Rating: 5.00
Posted on 2016-11-20 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5 6 given, 2 wanted (in Sequences)
Posted on 2016-11-11 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Given VI, evaluate VII (in Sequences)
Posted on 2017-02-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Fibonacci yields Pythagoras (in Sequences)
Posted on 2016-07-05 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Go back or double (in Sequences)
Posted on 2016-07-25 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Summing up (in Sequences)
Posted on 2016-08-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5All rational numbers in (in Sequences)
Posted on 2016-08-26 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 51248 must be included (in Sequences)
Posted on 2016-09-06 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5Provide the next number (in Sequences)
Posted on 2016-09-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A chain of powers (in Sequences) Rating: 4.00
Posted on 2016-12-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Easy sequence (in Sequences)
Posted on 2016-09-20 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5In terzo luogo (in Sequences)
Posted on 2016-11-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Verify and prove (in Sequences)
Posted on 2017-12-10 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Primitive Prime Divisors (in Sequences)
Posted on 2016-12-17 by broll (No Solution Yet, 0 Comments)
Difficulty: 3 of 5One to rule them all. (in Sequences)
Posted on 2016-12-18 by broll (Solution Posted, 3 Comments)
Difficulty: 3 of 5Nothing's perfect. (in Sequences)
Posted on 2016-12-24 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5 The sum of 2016 terms (in Sequences)
Posted on 2017-03-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Over 18 (in Sequences)
Posted on 2017-03-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Two erased numbers (in Sequences)
Posted on 2017-08-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 1 of 518 is not enough (in Sequences) Rating: 3.00
Posted on 2017-06-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A madness sequence (50 digits) (in Sequences) Rating: 2.00
Posted on 2017-06-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Fibonacci Fib (in Sequences) Rating: 5.00
Posted on 2017-02-23 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Brazilian numbers (in Sequences) Rating: 3.00
Posted on 2017-07-15 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Guess who (in Sequences)
Posted on 2017-07-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lots of lods (in Sequences) Rating: 4.67
Posted on 2017-09-10 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sans squares (in Sequences)
Posted on 2017-09-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A recursive game (in Sequences)
Posted on 2017-10-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sequence of Sets (in Sequences)
Posted on 2017-07-30 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Expose ambiguity II (in Sequences)
Posted on 2017-11-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Does it continue? 1: Chord regions (in Sequences)
Posted on 2017-09-13 by Jer (No Solution Yet, 9 Comments)
Difficulty: 4 of 5All, except two (in Sequences)
Posted on 2017-12-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5The next five... (in Sequences)
Posted on 2017-09-20 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 515=5*3 (in Sequences)
Posted on 2018-03-01 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Starting with 1,2,3 (in Sequences)
Posted on 2018-03-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Seven given - the eighth TBD (in Sequences)
Posted on 2018-03-14 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5One square implies many (in Sequences)
Posted on 2018-03-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Simple recursion (in Sequences)
Posted on 2018-04-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5How about 138? (in Sequences)
Posted on 2018-05-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Just 3 digits (in Sequences)
Posted on 2018-05-17 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prime records (in Sequences) Rating: 4.50
Posted on 2018-04-06 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 2 of 5What's Seven Got To Do With It? (in Sequences) Rating: 3.00
Posted on 2018-05-14 by Larry (Solution Posted, 2 Comments)
Difficulty: 1 of 5What's next? (3) (in Sequences)
Posted on 2018-08-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Name the sequence (in Sequences)
Posted on 2018-09-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Emirps census (in Sequences)
Posted on 2018-10-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5At least 3 zeroes (in Sequences)
Posted on 2018-10-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 52Z out (in Sequences) Rating: 5.00
Posted on 2018-10-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reversal creates average (in Sequences)
Posted on 2018-10-10 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Increasing numbers representation (in Sequences)
Posted on 2018-11-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Evaluate the sum (in Sequences)
Posted on 2018-12-01 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5SETI (in Sequences) Rating: 5.00
Posted on 2018-11-20 by Charlie (Solution Posted, 5 Comments)
Difficulty: 4 of 5Colored triangle (in Sequences) Rating: 4.00
Posted on 2018-12-14 by Jer (No Solution Yet, 10 Comments)
Difficulty: 4 of 5The 100th number (in Sequences) Rating: 5.00
Posted on 2018-12-10 by Math Man (Solution Posted, 9 Comments)
Difficulty: 2 of 55 given, 3 to find (in Sequences)
Posted on 2019-02-15 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 1 of 5The next 0, 1, 2 (in Sequences)
Posted on 2019-04-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Based upon a secret (in Sequences)
Posted on 2019-04-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Smooth Sum Situation (in Sequences) Rating: 3.00
Posted on 2019-01-23 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Insert 2 missing numbers (in Sequences) Rating: 2.00
Posted on 2019-02-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Davay! (in Sequences)
Posted on 2019-02-14 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5Precision counts! (in Sequences) Rating: 5.00
Posted on 2019-05-12 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Non-trivial solutions (in Sequences) Rating: 5.00
Posted on 2019-10-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Tricky sequence (in Sequences) Rating: 5.00
Posted on 2019-11-04 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 2 of 5PYHIYP #5 Seven up! (in Sequences) Rating: 2.00
Posted on 2020-02-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 53-Digit Sequence in a Grid (in Sequences) Rating: 5.00
Posted on 2020-04-06 by Larry (Solution Posted, 3 Comments)
Difficulty: 3 of 5Got a hint? (in Sequences) Rating: 2.50
Posted on 2020-02-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Deja vu (in Sequences) Rating: 5.00
Posted on 2020-05-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Fibo's common divider (in Sequences) Rating: 3.00
Posted on 2020-06-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Check this sequence (in Sequences)
Posted on 2020-08-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Must be prime (in Sequences)
Posted on 2020-09-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Accelerating Sequence (in Sequences)
Posted on 2020-07-24 by Larry (No Solution Yet, 4 Comments)
Difficulty: 3 of 5What follows? (in Sequences)
Posted on 2020-09-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Just an Average sequence (in Sequences)
Posted on 2020-09-29 by Larry (No Solution Yet, 1 Comments)
Difficulty: 2 of 5....and the 100th member is (in Sequences) Rating: 3.33
Posted on 2021-10-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5As time goes by (in Sequences) Rating: 2.33
Posted on 2021-02-09 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Eleven as mandatory divider (in Sequences)
Posted on 2021-05-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Seven (in Sequences) Rating: 5.00
Posted on 2021-08-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Good sequence (in Sequences) Rating: 3.50
Posted on 2021-07-26 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sequence Sum Situation (in Sequences) Rating: 3.00
Posted on 2021-10-06 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Consecutive Conclusion II (in Sequences) Rating: 5.00
Posted on 2022-05-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Semiprimes in Arithmetic Sequence (in Sequences) Rating: 5.00
Posted on 2022-11-20 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 4 of 5Not-so-easy sequences (in Sequences) Rating: 5.00
Posted on 2022-02-04 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 4 of 5A hard nut (in Sequences)
Posted on 2022-02-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Summing up II (in Sequences)
Posted on 2022-04-14 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5A square deal (in Sequences) Rating: 3.00
Posted on 2022-07-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Repunit Crossed Fifth Power Decision (in Sequences) Rating: 5.00
Posted on 2023-03-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Mystery sequence (in Sequences) Rating: 5.00
Posted on 2022-10-13 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 3 of 5123…9 door to door (in Sequences) Rating: 5.00
Posted on 2022-10-27 by Ady TZIDON (Solution Posted, 28 Comments)
Difficulty: 3 of 5Bits adjacent to 1 (in Sequences) Rating: 5.00
Posted on 2022-11-15 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Fibonacci but with Subtraction still stays Positive (in Sequences) Rating: 4.00
Posted on 2023-02-15 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triplet Trouble (in Sequences)
Posted on 2023-02-23 by Larry (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Find the algorithm (in Sequences)
Posted on 2023-03-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Factorials galore (in Sequences) Rating: 5.00
Posted on 2023-04-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Nice infinite series (in Sequences)
Posted on 2023-04-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Consecutive (in Sequences) Rating: 5.00
Posted on 2023-12-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Twelve (in Sequences)
Posted on 2023-05-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5OEIS in the NYT (in Sequences) Rating: 5.00
Posted on 2023-05-28 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Tough Sequence Problem (in Sequences) Rating: 5.00
Posted on 2024-01-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Ordinary Numbers (in Sequences) Rating: 5.00
Posted on 2023-06-09 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5No Repeated Numbers #2 (in Sequences) Rating: 4.00
Posted on 2024-05-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A 2024 Problem (in Sequences)
Posted on 2024-05-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Integers only (in Sequences)
Posted on 2023-09-25 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Descriptor Sequence (in Sequences) Rating: 4.67
Posted on 2024-06-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two cases (in Sequences)
Posted on 2023-11-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Terrific sequence 3 (in Sequences) Rating: 5.00
Posted on 2024-02-04 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Find the next term (in Sequences)
Posted on 2024-09-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A formal proof required (in Sequences)
Posted on 2024-03-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5My criteria (in Sequences)
Posted on 2024-04-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Avoiding a Triangle (in Sequences)
Posted on 2024-12-22 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 5 of 5From A to B (in Just Math) Rating: 3.87
Posted on 2002-05-15 by levik (Solution Posted, 14 Comments)
Difficulty: 3 of 5Buying Books (in Just Math) Rating: 3.60
Posted on 2002-05-16 by Half-Mad (Solution Posted, 14 Comments)
Difficulty: 3 of 5Proof (in Just Math) Rating: 3.67
Posted on 2002-05-29 by Half-Mad (Solution Posted, 45 Comments)
Difficulty: 4 of 5A couple of Logs (in Just Math) Rating: 2.44
Posted on 2002-06-04 by Dulanjana (Solution Posted, 17 Comments)
Difficulty: 1 of 5More Logs (in Just Math) Rating: 1.50
Posted on 2002-06-17 by Dulanjana (Solution Posted, 14 Comments)
Difficulty: 3 of 5logs and sins (in Just Math) Rating: 2.25
Posted on 2002-06-24 by Dulanjana (Solution Posted, 9 Comments)
Difficulty: 3 of 5How long did I walk from the Airport ? (in Just Math) Rating: 3.83
Posted on 2002-07-02 by vohonam (Solution Posted, 9 Comments)
Difficulty: 2 of 5Equation games (in Just Math) Rating: 3.38
Posted on 2002-07-03 by Dulanjana (Solution Posted, 24 Comments)
Difficulty: 4 of 5No calculus (in Just Math) Rating: 3.20
Posted on 2002-07-31 by Cheradenine (Solution Posted, 26 Comments)
Difficulty: 2 of 5Odd Sum (in Just Math) Rating: 3.90
Posted on 2002-08-08 by Cheradenine (Solution Posted, 19 Comments)
Difficulty: 4 of 5Primary Problem (in Just Math) Rating: 3.50
Posted on 2002-08-21 by Dulanjana (Solution Posted, 13 Comments)
Difficulty: 1 of 5Trig trick (in Just Math) Rating: 2.45
Posted on 2002-11-07 by Dulanjana (Solution Posted, 13 Comments)
Difficulty: 1 of 5Alphabet Multiplication (in Just Math) Rating: 3.58
Posted on 2002-11-21 by Dulanjana (Solution Posted, 26 Comments)
Difficulty: 5 of 5N-gonal numbers (in Just Math) Rating: 4.33
Posted on 2002-11-30 by seraphya (Solution Posted, 9 Comments)
Difficulty: 2 of 5Products of 22 (in Just Math) Rating: 3.22
Posted on 2002-12-23 by cges (Solution Posted, 7 Comments)
Difficulty: 3 of 5Primes (in Just Math) Rating: 4.25
Posted on 2003-09-09 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 4 of 5We put the 'fun' in function (in Just Math) Rating: 4.00
Posted on 2003-07-01 by Bryan (Solution Posted, 4 Comments)
Difficulty: 3 of 5Crypto-Phrase (in Just Math) Rating: 3.00
Posted on 2003-11-20 by luvya (Solution Posted, 31 Comments)
Difficulty: 3 of 527 Weights (in Just Math) Rating: 3.50
Posted on 2003-05-31 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Three numbers (in Just Math) Rating: 3.75
Posted on 2003-11-17 by Ravi Raja (No Solution Yet, 22 Comments)
Difficulty: 4 of 5Non - Zero Digit (in Just Math) Rating: 2.67
Posted on 2003-12-21 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5Party and Glasses (in Just Math) Rating: 2.75
Posted on 2003-03-05 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Cattle Selling (in Just Math) Rating: 1.67
Posted on 2003-03-10 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5Sums and Products (in Just Math) Rating: 2.80
Posted on 2003-03-12 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5Step By Step (in Just Math) Rating: 2.70
Posted on 2003-03-07 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 1 of 5What is the Number ? (in Just Math) Rating: 2.63
Posted on 2003-03-14 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 1 of 5Marble Counting (in Just Math) Rating: 1.73
Posted on 2003-03-14 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5Charity or Party? (in Just Math) Rating: 1.56
Posted on 2003-03-23 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Rupees and Paise (in Just Math) Rating: 4.00
Posted on 2003-03-16 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 5 of 5Perfect Squares (in Just Math) Rating: 4.00
Posted on 2003-04-05 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 4 of 5Leaving Las Vegas (in Just Math) Rating: 3.67
Posted on 2003-04-14 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 5 of 5Ladders Without Snakes (in Just Math) Rating: 2.86
Posted on 2003-04-21 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 4 of 5Generation Gap (in Just Math) Rating: 3.83
Posted on 2003-04-25 by Ravi Raja (Solution Posted, 5 Comments)
Difficulty: 3 of 5Pumpkins (in Just Math) Rating: 3.00
Posted on 2003-05-01 by Ravi Raja (Solution Posted, 16 Comments)
Difficulty: 3 of 5The Two Trains (in Just Math) Rating: 3.00
Posted on 2003-05-10 by Ravi Raja (Solution Posted, 18 Comments)
Difficulty: 3 of 5Paint My Love (in Just Math) Rating: 2.67
Posted on 2003-05-12 by Ravi Raja (Solution Posted, 5 Comments)
Difficulty: 4 of 5Three Digit Number (in Just Math) Rating: 3.80
Posted on 2003-05-15 by Ravi Raja (Solution Posted, 28 Comments)
Difficulty: 3 of 5Friendly Planets (in Just Math) Rating: 3.40
Posted on 2003-05-20 by Ravi Raja (Solution Posted, 6 Comments)
Difficulty: 3 of 5Too Old For Young (in Just Math) Rating: 4.00
Posted on 2003-05-24 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5The Strange Number (in Just Math) Rating: 2.67
Posted on 2003-05-29 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 2 of 5Primary Product (in Just Math) Rating: 2.78
Posted on 2003-06-02 by Ravi Raja (Solution Posted, 26 Comments)
Difficulty: 3 of 5Gain or Loss (in Just Math) Rating: 3.17
Posted on 2003-07-05 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 1 of 5Wine and Barrels (in Just Math) Rating: 2.08
Posted on 2003-08-07 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 3 of 5The Deleted Number (in Just Math) Rating: 2.67
Posted on 2003-08-27 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5Natural Problem (in Just Math) Rating: 2.00
Posted on 2003-08-29 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 2 of 5The Ladder (in Just Math) Rating: 3.57
Posted on 2003-12-09 by retiarius (Solution Posted, 20 Comments)
Difficulty: 4 of 5Divisibility (in Just Math) Rating: 3.00
Posted on 2003-03-14 by Anoop (Solution Posted, 9 Comments)
Difficulty: 3 of 5Formula None Racer (in Just Math) Rating: 2.60
Posted on 2003-10-03 by Ravi Raja (Solution Posted, 35 Comments)
Difficulty: 3 of 5More Than 22! (in Just Math) Rating: 4.17
Posted on 2005-08-18 by McWorter (Solution Posted, 42 Comments)
Difficulty: 2 of 5Square pairs (in Just Math) Rating: 3.00
Posted on 2005-06-15 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Chickens, Pigs, and Cattle (in Just Math) Rating: 2.10
Posted on 2004-02-19 by RoyCook (Solution Posted, 24 Comments)
Difficulty: 3 of 5Remainder (in Just Math) Rating: 3.89
Posted on 2003-10-16 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 3 of 5Twin Trouble (in Just Math) Rating: 3.33
Posted on 2003-10-21 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 2 of 5A to B (in Just Math) Rating: 1.82
Posted on 2004-03-10 by ethan (Solution Posted, 15 Comments)
Difficulty: 3 of 5Pizza Cut (in Just Math) Rating: 2.00
Posted on 2003-10-27 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Foreign Puppy (in Just Math) Rating: 3.80
Posted on 2003-10-31 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 4 of 5Two Boats and A River (in Just Math) Rating: 2.50
Posted on 2003-11-13 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 3 of 550 - Digit Number (in Just Math) Rating: 3.00
Posted on 2003-11-15 by Ravi Raja (Solution Posted, 43 Comments)
Difficulty: 2 of 5Calculation Mistake (in Just Math) Rating: 2.29
Posted on 2003-11-19 by Ravi Raja (Solution Posted, 8 Comments)
Difficulty: 3 of 5Sides Of A Triangle (in Just Math) Rating: 4.11
Posted on 2003-11-23 by Ravi Raja (No Solution Yet, 15 Comments)
Difficulty: 2 of 5Reciprocal Equation #1 (in Just Math) Rating: 3.25
Posted on 2003-07-18 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 4 of 5Mystery Numbers (in Just Math) Rating: 3.50
Posted on 2003-03-29 by Cory Taylor (Solution Posted, 9 Comments)
Difficulty: 3 of 5Power - ful (in Just Math) Rating: 3.40
Posted on 2003-12-31 by Ravi Raja (Solution Posted, 11 Comments)
Difficulty: 3 of 5How Many ? (in Just Math) Rating: 2.67
Posted on 2004-01-02 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Odd and Even: Difference of Squares (in Just Math) Rating: 3.00
Posted on 2003-04-16 by Gamer (Solution Posted, 10 Comments)
Difficulty: 3 of 5Divisibility (in Just Math) Rating: 2.50
Posted on 2004-01-06 by Ravi Raja (Solution Posted, 11 Comments)
Difficulty: 4 of 5Ratio of Volumes (in Just Math) Rating: 2.00
Posted on 2003-04-25 by Bryan (Solution Posted, 5 Comments)
Difficulty: 3 of 5Large Number (in Just Math) Rating: 3.86
Posted on 2003-05-06 by chris (Solution Posted, 18 Comments)
Difficulty: 3 of 5Going up (in Just Math) Rating: 4.26
Posted on 2003-06-01 by DJ (Solution Posted, 10 Comments)
Difficulty: 3 of 5The Kind Grandparents (in Just Math) Rating: 3.78
Posted on 2003-09-30 by Lewis (No Solution Yet, 18 Comments)
Difficulty: 2 of 5Find Friendly Fractions! (in Just Math) Rating: 3.55
Posted on 2004-11-24 by Old Original Oskar! (Solution Posted, 17 Comments)
Difficulty: 3 of 5Three problems (in Just Math) Rating: 3.33
Posted on 2004-01-16 by Ravi Raja (Solution Posted, 3 Comments)
Difficulty: 3 of 5A Change of Mind (in Just Math) Rating: 4.46
Posted on 2003-06-18 by DJ (Solution Posted, 14 Comments)
Difficulty: 3 of 5Spirit of '76 (in Just Math) Rating: 4.25
Posted on 2004-03-14 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 2 of 5Time Please (in Just Math) Rating: 2.67
Posted on 2004-01-12 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 2 of 5Two Geometric Series (in Just Math) Rating: 3.67
Posted on 2003-07-14 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 5Reciprocal Equation #2 (in Just Math) Rating: 3.40
Posted on 2003-07-20 by Brian Smith (Solution Posted, 15 Comments)
Difficulty: 2 of 5Statistics, statistics. (in Just Math) Rating: 3.00
Posted on 2003-08-12 by Lewis (Solution Posted, 4 Comments)
Difficulty: 2 of 5The Great Rating (in Just Math) Rating: 3.33
Posted on 2003-07-25 by Gamer (Solution Posted, 9 Comments)
Difficulty: 3 of 5The Perfect Cube (in Just Math) Rating: 4.17
Posted on 2003-08-12 by Jayaram S (Solution Posted, 21 Comments)
Difficulty: 1 of 5The Aging Brothers (in Just Math) Rating: 3.20
Posted on 2003-08-14 by Jayaram S (Solution Posted, 18 Comments)
Difficulty: 3 of 5Diagonal triangle sums (in Just Math) Rating: 3.86
Posted on 2004-03-15 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 4 of 5The Powers that Be (in Just Math) Rating: 4.44
Posted on 2003-11-25 by DJ (Solution Posted, 21 Comments)
Difficulty: 4 of 5e and pi (in Just Math) Rating: 4.14
Posted on 2003-09-26 by DJ (Solution Posted, 7 Comments)
Difficulty: 3 of 5A Keg of Wine (in Just Math) Rating: 3.00
Posted on 2004-07-14 by Brian Smith (Solution Posted, 27 Comments)
Difficulty: 3 of 5Perimeter Equals Area (in Just Math) Rating: 4.00
Posted on 2003-09-12 by Gamer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Golden Ratio (in Just Math) Rating: 3.00
Posted on 2003-11-26 by SilverKnight (Solution Posted, 10 Comments)
Difficulty: 3 of 5The invisible square (in Just Math) Rating: 4.00
Posted on 2003-08-24 by maskass (Solution Posted, 3 Comments)
Difficulty: 3 of 5Deceleration (in Just Math) Rating: 4.23
Posted on 2003-10-02 by DJ (Solution Posted, 17 Comments)
Difficulty: 4 of 5Hello Operator (in Just Math) Rating: 4.27
Posted on 2003-10-17 by DJ (Solution Posted, 19 Comments)
Difficulty: 2 of 5Endless Summer (in Just Math) Rating: 4.00
Posted on 2003-10-20 by DJ (Solution Posted, 9 Comments)
Difficulty: 2 of 5Squares and Rectangles (in Just Math) Rating: 2.00
Posted on 2004-01-21 by Ravi Raja (Solution Posted, 22 Comments)
Difficulty: 3 of 5Last Digit (in Just Math) Rating: 2.40
Posted on 2004-01-23 by Ravi Raja (Solution Posted, 21 Comments)
Difficulty: 2 of 5Diagonals Of A Polygon (in Just Math) Rating: 2.42
Posted on 2004-01-31 by Ravi Raja (No Solution Yet, 17 Comments)
Difficulty: 4 of 5The odds stay unchanged (in Just Math) Rating: 4.27
Posted on 2004-06-17 by Ady TZIDON (Solution Posted, 21 Comments)
Difficulty: 3 of 5School time (in Just Math) Rating: 2.40
Posted on 2004-02-07 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 3 of 5e pluribus unum (in Just Math) Rating: 3.85
Posted on 2003-12-08 by DJ (Solution Posted, 11 Comments)
Difficulty: 1 of 500 Separate (in Just Math) Rating: 3.57
Posted on 2003-10-10 by Gamer (Solution Posted, 13 Comments)
Difficulty: 2 of 5An Apple A Day (in Just Math) Rating: 3.14
Posted on 2004-02-11 by Ravi Raja (Solution Posted, 5 Comments)
Difficulty: 3 of 5Fill in (in Just Math) Rating: 2.71
Posted on 2004-07-20 by Federico Kereki (Solution Posted, 8 Comments)
Difficulty: 2 of 5Change of lunch plans (in Just Math) Rating: 2.86
Posted on 2003-10-29 by Gamer (Solution Posted, 10 Comments)
Difficulty: 2 of 5Summing (in Just Math) Rating: 3.80
Posted on 2004-04-16 by Federico Kereki (Solution Posted, 5 Comments)
Difficulty: 3 of 5 A Remainder Problem (in Just Math) Rating: 3.50
Posted on 2006-08-08 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Fibonaccian nines (in Just Math) Rating: 4.33
Posted on 2004-06-15 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 4 of 5Interesting Function (in Just Math) Rating: 4.33
Posted on 2004-08-28 by SilverKnight (Solution Posted, 3 Comments)
Difficulty: 4 of 5Interesting Function (2) (in Just Math) Rating: 3.50
Posted on 2004-09-03 by SilverKnight (Solution Posted, 6 Comments)
Difficulty: 3 of 5The poisonous wine (in Just Math) Rating: 4.00
Posted on 2005-02-26 by Bon (Solution Posted, 21 Comments)
Difficulty: 5 of 5Rational sine (in Just Math) Rating: 5.00
Posted on 2005-05-02 by lmnop (No Solution Yet, 7 Comments)
Difficulty: 3 of 5The Black Hole (in Just Math) Rating: 3.25
Posted on 2004-02-18 by Gamer (Solution Posted, 13 Comments)
Difficulty: 4 of 5Three threes, or two twos? (in Just Math) Rating: 4.17
Posted on 2003-12-09 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 2 of 5Pencils and Jars (in Just Math) Rating: 1.92
Posted on 2003-12-16 by SilverKnight (Solution Posted, 10 Comments)
Difficulty: 2 of 5Mental Cube Root (in Just Math) Rating: 2.67
Posted on 2004-03-10 by Gamer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Number Rectangle (in Just Math) Rating: 4.50
Posted on 2004-01-08 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Rule of 72 (in Just Math) Rating: 3.67
Posted on 2005-01-25 by Richard (Solution Posted, 7 Comments)
Difficulty: 4 of 5Biased Coins (in Just Math) Rating: 4.00
Posted on 2005-02-17 by David Shin (Solution Posted, 9 Comments)
Difficulty: 4 of 5Monkey Business (in Just Math) Rating: 3.50
Posted on 2004-04-30 by Gamer (No Solution Yet, 12 Comments)
Difficulty: 4 of 5trigonometry and a triangle (in Just Math) Rating: 2.71
Posted on 2004-02-26 by mohan (Solution Posted, 15 Comments)
Difficulty: 2 of 5e, i, and π (in Just Math) Rating: 2.86
Posted on 2004-03-02 by Tristan (Solution Posted, 12 Comments)
Difficulty: 2 of 5Missing digits (in Just Math) Rating: 2.29
Posted on 2004-09-04 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 3 of 5new operations (in Just Math) Rating: 3.30
Posted on 2004-03-31 by Victor Zapana (Solution Posted, 14 Comments)
Difficulty: 2 of 5Special Numbers (in Just Math) Rating: 3.67
Posted on 2004-04-03 by Victor Zapana (Solution Posted, 19 Comments)
Difficulty: 2 of 5Intergalactic Journey (in Just Math) Rating: 3.00
Posted on 2005-05-05 by nikki (Solution Posted, 8 Comments)
Difficulty: 3 of 5Open = Closed (in Just Math) Rating: 4.17
Posted on 2005-02-07 by Tristan (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Square Punishment (in Just Math) Rating: 3.71
Posted on 2004-05-02 by Victor Zapana (Solution Posted, 11 Comments)
Difficulty: 3 of 5Chord Harmonics (in Just Math) Rating: 4.00
Posted on 2005-01-11 by Juggler (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Get one half by squaring (in Just Math) Rating: 4.25
Posted on 2004-09-20 by Federico Kereki (Solution Posted, 32 Comments)
Difficulty: 3 of 5Disjointification (in Just Math) Rating: 3.17
Posted on 2004-04-04 by Richard (Solution Posted, 12 Comments)
Difficulty: 4 of 5What's the difference between snowmen and snowwomen? (in Just Math) Rating: 4.00
Posted on 2004-06-14 by SilverKnight (No Solution Yet, 18 Comments)
Difficulty: 2 of 5It's all in the roots! (in Just Math) Rating: 3.29
Posted on 2004-06-04 by Purna (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Multiplying gets a square? (in Just Math) Rating: 3.00
Posted on 2004-06-26 by Federico Kereki (Solution Posted, 25 Comments)
Difficulty: 3 of 5Summing powers (in Just Math) Rating: 3.00
Posted on 2004-07-01 by Federico Kereki (Solution Posted, 18 Comments)
Difficulty: 5 of 5Bird on a Wire (in Just Math) Rating: 3.70
Posted on 2004-06-07 by Sam (No Solution Yet, 42 Comments)
Difficulty: 1 of 5Gonna party like it's 1999 (in Just Math) Rating: 3.25
Posted on 2004-09-12 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 4 of 5Even and odd powers (in Just Math) Rating: 4.22
Posted on 2005-02-09 by SteveH (Solution Posted, 23 Comments)
Difficulty: 2 of 5Highest Number (in Just Math) Rating: 3.13
Posted on 2004-09-18 by SilverKnight (Solution Posted, 20 Comments)
Difficulty: 3 of 5Blockout (in Just Math) Rating: 4.40
Posted on 2004-11-22 by DJ (Solution Posted, 10 Comments)
Difficulty: 3 of 5Fibonacci sums (in Just Math) Rating: 3.71
Posted on 2004-07-15 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 5Payroll (in Just Math) Rating: 3.75
Posted on 2005-01-02 by Charlie (Solution Posted, 10 Comments)
Difficulty: 2 of 5Prime Time Revisited (in Just Math) Rating: 3.00
Posted on 2004-10-22 by SilverKnight (Solution Posted, 17 Comments)
Difficulty: 2 of 5Oodles of Factors (in Just Math) Rating: 3.13
Posted on 2005-07-08 by Leming (Solution Posted, 8 Comments)
Difficulty: 2 of 5Faster (in Just Math) Rating: 3.45
Posted on 2004-11-29 by Charlie (Solution Posted, 10 Comments)
Difficulty: 4 of 5Sum of two powers (in Just Math) Rating: 4.40
Posted on 2004-08-12 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Factorials everywhere (in Just Math) Rating: 3.00
Posted on 2004-08-16 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 2 of 5Squares and Triangles (in Just Math) Rating: 3.00
Posted on 2005-01-18 by Juggler (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Exponential Difficulties (in Just Math) Rating: 3.00
Posted on 2004-10-30 by SilverKnight (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Nice Weather (in Just Math) Rating: 4.00
Posted on 2004-11-02 by SilverKnight (No Solution Yet, 12 Comments)
Difficulty: 1 of 5Baseball Anyone? (in Just Math) Rating: 2.75
Posted on 2004-11-03 by SilverKnight (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Wrong Division (in Just Math) Rating: 4.38
Posted on 2004-12-03 by DJ (Solution Posted, 10 Comments)
Difficulty: 4 of 5Remainder of One (in Just Math) Rating: 3.88
Posted on 2004-12-29 by David Shin (Solution Posted, 13 Comments)
Difficulty: 3 of 5Nice sum (in Just Math) Rating: 3.00
Posted on 2004-08-24 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 4 of 5Exponential Difficulties 2 (in Just Math) Rating: 4.00
Posted on 2004-11-27 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 2 of 5Multi-Logarithms (in Just Math) Rating: 3.40
Posted on 2004-12-08 by SilverKnight (Solution Posted, 10 Comments)
Difficulty: 4 of 5Trigonometric Fun (in Just Math) Rating: 3.67
Posted on 2004-12-06 by SilverKnight (Solution Posted, 7 Comments)
Difficulty: 3 of 5numerical pyramid (in Just Math) Rating: 3.50
Posted on 2004-07-13 by Thalamus (Solution Posted, 5 Comments)
Difficulty: 3 of 5Cubeless? (in Just Math) Rating: 3.40
Posted on 2004-08-29 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Prime divisors (in Just Math) Rating: 3.75
Posted on 2005-01-04 by e.g. (Solution Posted, 13 Comments)
Difficulty: 3 of 5Power inequality (in Just Math) Rating: 3.00
Posted on 2005-03-15 by e.g. (Solution Posted, 18 Comments)
Difficulty: 3 of 5Fibonacci Fractions (in Just Math) Rating: 3.00
Posted on 2005-03-09 by e.g. (Solution Posted, 17 Comments)
Difficulty: 3 of 5Is It Infinitely Increasing? (in Just Math) Rating: 3.00
Posted on 2004-09-30 by Old Original Oskar! (Solution Posted, 13 Comments)
Difficulty: 3 of 5Isn't It Integer? (in Just Math) Rating: 4.33
Posted on 2004-10-06 by Old Original Oskar! (Solution Posted, 3 Comments)
Difficulty: 3 of 5Similar Sequence Sum! (in Just Math) Rating: 2.00
Posted on 2004-10-07 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 2 of 5Summations (in Just Math) Rating: 4.33
Posted on 2004-12-18 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 3 of 5Sweet Sixteen (in Just Math) Rating: 4.00
Posted on 2005-06-12 by McWorter (Solution Posted, 11 Comments)
Difficulty: 3 of 5Powerful Powers Pileup! (in Just Math) Rating: 3.00
Posted on 2005-04-03 by Old Original Oskar! (Solution Posted, 3 Comments)
Difficulty: 3 of 5Up to 35 (in Just Math) Rating: 3.50
Posted on 2004-11-14 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Column Bases (in Just Math) Rating: 3.00
Posted on 2004-12-15 by Juggler (Solution Posted, 8 Comments)
Difficulty: 4 of 5Prime Number Arithmetic (in Just Math) Rating: 4.13
Posted on 2004-11-19 by Erik O. (Solution Posted, 7 Comments)
Difficulty: 4 of 5An average table (in Just Math) Rating: 4.25
Posted on 2005-06-03 by ronen (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Broken Calculator (in Just Math) Rating: 3.63
Posted on 2005-01-20 by David Shin (Solution Posted, 14 Comments)
Difficulty: 3 of 5Division (in Just Math) Rating: 3.83
Posted on 2004-12-11 by e.g. (Solution Posted, 17 Comments)
Difficulty: 4 of 5The sum of a sequence (in Just Math) Rating: 3.43
Posted on 2004-12-14 by Mohammad (Solution Posted, 10 Comments)
Difficulty: 2 of 5Easy Money (in Just Math) Rating: 2.00
Posted on 2005-03-28 by Juggler (Solution Posted, 4 Comments)
Difficulty: 3 of 5Passing Through (in Just Math) Rating: 3.25
Posted on 2005-04-06 by Juggler (Solution Posted, 28 Comments)
Difficulty: 3 of 5Four Fours Fancy Formula! (in Just Math) Rating: 2.29
Posted on 2004-12-24 by Old Original Oskar! (Solution Posted, 6 Comments)
Difficulty: 2 of 5Consecutive Primes (in Just Math) Rating: 3.17
Posted on 2005-01-24 by David Shin (Solution Posted, 6 Comments)
Difficulty: 2 of 5Difference of Cubes OF DOOM (in Just Math) Rating: 2.75
Posted on 2005-02-11 by Dustin (Solution Posted, 8 Comments)
Difficulty: 1 of 55 averages (in Just Math) Rating: 2.67
Posted on 2005-02-08 by GOM (Solution Posted, 5 Comments)
Difficulty: 2 of 5Divisibility by 7 (in Just Math) Rating: 2.00
Posted on 2005-05-22 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 3 of 5One is the sum of the other two (in Just Math) Rating: 2.33
Posted on 2005-07-31 by McWorter (Solution Posted, 6 Comments)
Difficulty: 3 of 5Marquez's Equation (in Just Math) Rating: 4.14
Posted on 2005-03-02 by owl (Solution Posted, 9 Comments)
Difficulty: 2 of 59! (in Just Math) Rating: 3.00
Posted on 2005-02-28 by Erik O. (Solution Posted, 12 Comments)
Difficulty: 2 of 5Celsius x Fahrenheit (in Just Math) Rating: 3.33
Posted on 2005-08-31 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 5Prime Birthdays (in Just Math) Rating: 3.00
Posted on 2005-03-23 by Erik O. (Solution Posted, 2 Comments)
Difficulty: 3 of 5Artful Arithmetic (in Just Math) Rating: 2.50
Posted on 2005-04-01 by Erik O. (Solution Posted, 3 Comments)
Difficulty: 4 of 5A repeating irrational number? (in Just Math) Rating: 3.17
Posted on 2005-06-06 by e.g. (Solution Posted, 8 Comments)
Difficulty: 5 of 53 points colinear? No way! (in Just Math) Rating: 3.00
Posted on 2005-05-19 by Corey (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Polynomials (in Just Math) Rating: 4.00
Posted on 2005-05-10 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5The three conferences (in Just Math) Rating: 4.00
Posted on 2005-05-11 by pcbouhid (Solution Posted, 16 Comments)
Difficulty: 3 of 52005 a square? Baseless! (in Just Math) Rating: 3.60
Posted on 2005-05-30 by McWorter (Solution Posted, 18 Comments)
Difficulty: 3 of 5Cool Count (in Just Math) Rating: 4.25
Posted on 2005-08-10 by McWorter (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Too many threes and sixes (in Just Math) Rating: 4.00
Posted on 2005-05-25 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 2 of 5Digital sum (in Just Math) Rating: 4.40
Posted on 2005-08-20 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 2 of 5Strange divisibility (in Just Math) Rating: 3.67
Posted on 2005-05-25 by pcbouhid (Solution Posted, 27 Comments)
Difficulty: 2 of 5Another 2006 Problem (in Just Math) Rating: 5.00
Posted on 2006-09-30 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 2 of 5The reversed numbers (in Just Math) Rating: 4.50
Posted on 2005-09-16 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 2 of 5Marbles Bonanza II (in Just Math) Rating: 4.25
Posted on 2005-06-21 by Avin (Solution Posted, 33 Comments)
Difficulty: 3 of 5A digital arrangement (in Just Math) Rating: 3.29
Posted on 2005-06-30 by pcbouhid (Solution Posted, 21 Comments)
Difficulty: 3 of 5A Real Solution Puzzle (in Just Math) Rating: 3.00
Posted on 2006-07-30 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Arithmetic Integers (in Just Math) Rating: 2.75
Posted on 2006-02-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5How many perfect squares (in Just Math) Rating: 3.00
Posted on 2006-04-25 by Salil (Solution Posted, 19 Comments)
Difficulty: 2 of 5A rational cryptarithm (in Just Math) Rating: 2.67
Posted on 2005-12-29 by pcbouhid (Solution Posted, 18 Comments)
Difficulty: 3 of 5Find All Numbers (in Just Math) Rating: 5.00
Posted on 2006-07-25 by Ravi Raja (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Gold (in Just Math) Rating: 3.17
Posted on 2005-10-11 by Hugo (Solution Posted, 9 Comments)
Difficulty: 2 of 5Commutative Group (in Just Math) Rating: 3.00
Posted on 2006-09-18 by Bractals (Solution Posted, 8 Comments)
Difficulty: 4 of 5Square-Crossed Power (in Just Math)
Posted on 2006-07-23 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5A Distinct Sum Puzzle (in Just Math) Rating: 3.50
Posted on 2006-07-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Quintic Problem (in Just Math) Rating: 2.33
Posted on 2006-03-15 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 5 of 5 A Most Unusual Evaluation (in Just Math) Rating: 3.00
Posted on 2006-01-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5The failing LEDs (in Just Math) Rating: 4.33
Posted on 2005-08-09 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 2 of 5An equation with consecutive primes (in Just Math) Rating: 3.00
Posted on 2006-01-16 by pcbouhid (Solution Posted, 23 Comments)
Difficulty: 2 of 5Closest to pi (in Just Math) Rating: 3.00
Posted on 2005-09-25 by pcbouhid (Solution Posted, 25 Comments)
Difficulty: 2 of 5How Fast?!? (in Just Math) Rating: 4.00
Posted on 2005-08-08 by Juggler (Solution Posted, 7 Comments)
Difficulty: 3 of 5Find the value of ...... (in Just Math) Rating: 4.00
Posted on 2006-05-14 by Ravi Raja (No Solution Yet, 6 Comments)
Difficulty: 2 of 54 tries (in Just Math) Rating: 3.50
Posted on 2006-04-24 by Paddy (Solution Posted, 8 Comments)
Difficulty: 2 of 5What´s the trick? (in Just Math) Rating: 2.80
Posted on 2005-08-25 by pcbouhid (Solution Posted, 14 Comments)
Difficulty: 3 of 5A Sequential Reduction Problem (in Just Math) Rating: 3.50
Posted on 2006-09-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Politically Correct Moduli (in Just Math) Rating: 4.00
Posted on 2005-09-03 by McWorter (Solution Posted, 12 Comments)
Difficulty: 3 of 5A permutation puzzle (in Just Math) Rating: 5.00
Posted on 2006-09-20 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Find a subset (in Just Math)
Posted on 2005-08-24 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 3 of 5No n-th Powers Here! (in Just Math) Rating: 3.40
Posted on 2005-09-05 by McWorter (Solution Posted, 7 Comments)
Difficulty: 3 of 5Find 'K' (in Just Math) Rating: 3.00
Posted on 2006-05-15 by Ravi Raja (No Solution Yet, 3 Comments)
Difficulty: 2 of 5How many Integers? (in Just Math) Rating: 3.00
Posted on 2006-05-18 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 3 of 5Least L.C.M. (in Just Math) Rating: 3.00
Posted on 2006-05-19 by Ravi Raja (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Polynomial # 1 (in Just Math) Rating: 5.00
Posted on 2006-05-26 by Ravi Raja (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Trisected Triangle (in Just Math) Rating: 4.50
Posted on 2006-02-03 by Chris, PhD (No Solution Yet, 14 Comments)
Difficulty: 3 of 52003 - An odyssey with pi and e (in Just Math) Rating: 3.11
Posted on 2005-10-09 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 53 age problems (in Just Math) Rating: 3.67
Posted on 2006-03-24 by Jer (Solution Posted, 8 Comments)
Difficulty: 3 of 5Harmonic Integers (in Just Math) Rating: 2.20
Posted on 2006-02-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 1 of 5Harmonic Integers Revisited (in Just Math) Rating: 4.50
Posted on 2006-02-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5The 3-digit Number (in Just Math) Rating: 2.00
Posted on 2005-10-16 by nickson (Solution Posted, 18 Comments)
Difficulty: 4 of 5Another Quintic Problem (in Just Math) Rating: 3.67
Posted on 2006-05-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5Diagonal Product (in Just Math) Rating: 4.33
Posted on 2005-10-20 by owl (Solution Posted, 4 Comments)
Difficulty: 3 of 5Another rational cryptarithm (in Just Math) Rating: 2.00
Posted on 2006-02-22 by Ethan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Reversal Problem (in Just Math) Rating: 4.00
Posted on 2006-12-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Fiction Novel And Science Book Problem (in Just Math) Rating: 5.00
Posted on 2006-06-20 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5An Atypical Evaluation (in Just Math) Rating: 4.00
Posted on 2006-08-13 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Biquadratic Polynomial Problem (in Just Math) Rating: 3.00
Posted on 2006-11-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Microwave Math (in Just Math) Rating: 3.50
Posted on 2005-11-08 by Larry (Solution Posted, 8 Comments)
Difficulty: 4 of 5A Cubic And Biquadratic Problem (in Just Math) Rating: 3.67
Posted on 2006-06-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Trigonometry Nest 2 (in Just Math) Rating: 3.00
Posted on 2005-11-07 by Larry (Solution Posted, 7 Comments)
Difficulty: 2 of 5An infinite chessboard (in Just Math) Rating: 3.43
Posted on 2005-10-28 by pcbouhid (Solution Posted, 27 Comments)
Difficulty: 3 of 5The least square (in Just Math) Rating: 4.00
Posted on 2005-11-05 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 3 of 5Find these constants I (in Just Math) Rating: 3.17
Posted on 2005-11-10 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5How Many Pairs (in Just Math) Rating: 2.50
Posted on 2006-03-14 by Ravi Raja (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Do not divide! (in Just Math) Rating: 3.00
Posted on 2006-03-18 by Ravi Raja (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Remainder: Part 2 (in Just Math) Rating: 2.50
Posted on 2006-05-02 by Ravi Raja (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Hickory dickory dock, the spider went round the clock... (in Just Math) Rating: 3.00
Posted on 2006-05-05 by Rob (Solution Posted, 13 Comments)
Difficulty: 4 of 5Perfect Square (in Just Math) Rating: 3.00
Posted on 2006-05-07 by Ravi Raja (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Prime Factor (in Just Math) Rating: 3.33
Posted on 2006-05-12 by Ravi Raja (No Solution Yet, 8 Comments)
Difficulty: 3 of 5A Perplexing Expression (in Just Math) Rating: 3.50
Posted on 2005-10-14 by Brian Smith (Solution Posted, 18 Comments)
Difficulty: 4 of 5Zero to 100 with 12345 (in Just Math) Rating: 2.00
Posted on 2005-10-29 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Rotating slopes (in Just Math) Rating: 3.20
Posted on 2006-03-21 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Bouncy Bouncy revisited (in Just Math) Rating: 1.50
Posted on 2006-03-23 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Crossed Equations (in Just Math) Rating: 2.67
Posted on 2006-03-28 by Sir Percivale (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Dafoe, The Lone Entrepreneur (in Just Math) Rating: 4.00
Posted on 2006-01-30 by Leon (No Solution Yet, 23 Comments)
Difficulty: 3 of 5Ambidextrous Cancellation Mission (in Just Math) Rating: 4.33
Posted on 2006-07-20 by Richard (Solution Posted, 20 Comments)
Difficulty: 4 of 5Circular Jogging Track Problem 3 (in Just Math) Rating: 3.00
Posted on 2006-04-14 by Salil (Solution Posted, 3 Comments)
Difficulty: 2 of 5Dicemath (in Just Math) Rating: 4.00
Posted on 2005-12-07 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 4 of 5Evaluate this sum (in Just Math) Rating: 4.33
Posted on 2005-12-21 by pcbouhid (Solution Posted, 15 Comments)
Difficulty: 3 of 5Factorial sequence (in Just Math) Rating: 4.00
Posted on 2006-03-02 by Justin (Solution Posted, 2 Comments)
Difficulty: 3 of 5A dilution problem (in Just Math) Rating: 3.33
Posted on 2006-06-08 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Evil math (in Just Math) Rating: 4.00
Posted on 2006-01-21 by Tristan (Solution Posted, 12 Comments)
Difficulty: 4 of 5A Quartic Problem (in Just Math) Rating: 4.00
Posted on 2005-12-22 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 4 of 5Harmonic Sum Of Squares (in Just Math) Rating: 2.75
Posted on 2006-01-31 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Descending Integers (in Just Math) Rating: 2.80
Posted on 2006-02-02 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Factorial Sequence II (in Just Math) Rating: 4.00
Posted on 2006-03-10 by Justin (Solution Posted, 4 Comments)
Difficulty: 2 of 5Another Locker Puzzle (in Just Math)
Posted on 2006-06-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5An Octagonal Problem (in Just Math) Rating: 5.00
Posted on 2006-06-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 51 Palindrome 1 (in Just Math) Rating: 3.67
Posted on 2006-06-10 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5A Multi-solution Puzzle (in Just Math) Rating: 5.00
Posted on 2006-08-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Two Digit Integers (in Just Math) Rating: 3.00
Posted on 2006-07-14 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 2 of 5Magic Cubic (in Just Math) Rating: 3.00
Posted on 2005-11-28 by sragen (No Solution Yet, 15 Comments)
Difficulty: 2 of 5Simplify the expression (in Just Math) Rating: 2.67
Posted on 2006-06-16 by Salil (Solution Posted, 8 Comments)
Difficulty: 4 of 5Gardener's Woe (in Just Math) Rating: 4.00
Posted on 2006-06-24 by Jer (Solution Posted, 27 Comments)
Difficulty: 2 of 5Six Seven Eight (in Just Math)
Posted on 2005-10-05 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Three Intercepts (in Just Math) Rating: 2.00
Posted on 2006-06-19 by Jer (No Solution Yet, 7 Comments)
Difficulty: 2 of 5A Digital Root Problem (in Just Math) Rating: 4.00
Posted on 2006-06-29 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 4 of 5The Unknown Digits (in Just Math) Rating: 5.00
Posted on 2006-04-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5 A Composite Determination Problem (in Just Math) Rating: 4.33
Posted on 2006-04-23 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 5 of 5Unknown Polynomials (in Just Math) Rating: 2.67
Posted on 2005-12-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5A Perfect Square Problem (in Just Math) Rating: 5.00
Posted on 2006-06-03 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 2 of 5Crossed sums (in Just Math) Rating: 3.00
Posted on 2006-01-12 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 3 of 5Buddy System (in Just Math) Rating: 4.33
Posted on 2005-09-22 by Sam (No Solution Yet, 8 Comments)
Difficulty: 3 of 5log the log (in Just Math) Rating: 3.50
Posted on 2006-06-11 by Jer (Solution Posted, 5 Comments)
Difficulty: 2 of 5A Real Number problem (in Just Math) Rating: 4.00
Posted on 2006-08-16 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 2 of 5WWW (in Just Math) Rating: 3.33
Posted on 2006-07-04 by alex (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Integer Roots (in Just Math) Rating: 2.50
Posted on 2006-10-14 by Bractals (Solution Posted, 5 Comments)
Difficulty: 2 of 5Those infinite small steps (in Just Math) Rating: 3.67
Posted on 2006-10-03 by Art M (No Solution Yet, 8 Comments)
Difficulty: 2 of 5An Inverse Diophantine Puzzle (in Just Math) Rating: 3.00
Posted on 2006-12-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A 2009 problem (in Just Math) Rating: 2.00
Posted on 2006-08-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Trent And Newley Families (in Just Math) Rating: 4.50
Posted on 2006-08-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A multi-solution diophantine problem (in Just Math) Rating: 5.00
Posted on 2006-09-15 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Further Harmonic Integers (in Just Math) Rating: 4.00
Posted on 2006-10-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Another Divisibility Puzzle (in Just Math) Rating: 4.00
Posted on 2006-09-25 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5An Integer Root Problem (in Just Math) Rating: 5.00
Posted on 2006-11-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 5 of 5Sort of a sorting problem (in Just Math) Rating: 4.33
Posted on 2006-08-22 by JLo (Solution Posted, 14 Comments)
Difficulty: 2 of 5Geometric Integers (in Just Math) Rating: 4.00
Posted on 2006-11-09 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Looking for functions (in Just Math) Rating: 3.20
Posted on 2006-10-18 by atheron (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Spacy colors (in Just Math) Rating: 4.00
Posted on 2006-08-25 by JLo (Solution Posted, 10 Comments)
Difficulty: 4 of 5The gardener's woe is continuous (in Just Math)
Posted on 2006-08-30 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Freecell (in Just Math)
Posted on 2006-09-06 by Cory Taylor (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Further Geometric Numbers (in Just Math)
Posted on 2006-11-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Unusual Equation Problem (in Just Math) Rating: 5.00
Posted on 2006-11-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A Constant Puzzle (in Just Math) Rating: 5.00
Posted on 2006-12-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Another 2009 Problem (in Just Math) Rating: 4.00
Posted on 2006-12-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 5 of 5Can you match them up? (in Just Math)
Posted on 2006-09-21 by JLo (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Optimizing The Train (in Just Math) Rating: 3.00
Posted on 2006-10-04 by Richard (Solution Posted, 1 Comments)
Difficulty: 3 of 5Harmonic mean (in Just Math)
Posted on 2006-10-25 by Tristan (Solution Posted, 4 Comments)
Difficulty: 2 of 5An exponent and prime problem (in Just Math) Rating: 4.00
Posted on 2007-01-06 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5An Atypical Product Problem (in Just Math) Rating: 4.00
Posted on 2007-01-03 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Astute Root Evaluation (in Just Math) Rating: 4.50
Posted on 2007-01-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A 2007 Problem (in Just Math) Rating: 4.00
Posted on 2007-01-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A Value Problem (in Just Math) Rating: 4.00
Posted on 2007-01-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Consumer Mathematics - Compound Interest (in Just Math) Rating: 3.75
Posted on 2006-10-04 by Chris, PhD (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Factorial Evaluation (in Just Math)
Posted on 2007-01-12 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5More Arithmetic Integers (in Just Math) Rating: 5.00
Posted on 2007-01-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Travelling (in Just Math) Rating: 2.40
Posted on 2006-10-30 by Paddy (Solution Posted, 12 Comments)
Difficulty: 3 of 5Looking for functions II (in Just Math) Rating: 4.00
Posted on 2006-10-23 by JLo (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three surfaces, one real point? (in Just Math) Rating: 5.00
Posted on 2007-02-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5The Fix Is In (in Just Math) Rating: 4.00
Posted on 2006-11-17 by Richard (Solution Posted, 12 Comments)
Difficulty: 2 of 5Another Remainder Puzzle (in Just Math) Rating: 4.00
Posted on 2007-01-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A Further Polynomial Problem (in Just Math)
Posted on 2007-02-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5An Integer Digit Puzzle (in Just Math) Rating: 5.00
Posted on 2007-02-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Subtract Products, Get Identity? (in Just Math) Rating: 2.50
Posted on 2007-04-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mind your P and Q (in Just Math) Rating: 5.00
Posted on 2007-02-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5More Harmonic Integers (in Just Math) Rating: 3.50
Posted on 2007-03-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Prison Challenge (in Just Math) Rating: 3.67
Posted on 2007-02-05 by Art M (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Integer coefficients (in Just Math)
Posted on 2007-03-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5An Odd Function (in Just Math) Rating: 3.83
Posted on 2006-12-28 by Bractals (Solution Posted, 18 Comments)
Difficulty: 2 of 5Take Second Degree, Solve For Real (in Just Math) Rating: 3.00
Posted on 2007-04-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Integer Equations (in Just Math) Rating: 4.00
Posted on 2007-03-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Train Station (in Just Math) Rating: 2.00
Posted on 2007-02-11 by Art M (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Real and Complex (in Just Math) Rating: 4.00
Posted on 2007-01-23 by Dennis (Solution Posted, 4 Comments)
Difficulty: 4 of 5Function Challenge (in Just Math) Rating: 3.50
Posted on 2007-01-27 by atheron (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum the integers, get squares? (in Just Math) Rating: 2.75
Posted on 2007-04-05 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5A Difference And Quotient Problem (in Just Math) Rating: 3.00
Posted on 2007-04-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Get The Quadruplets (in Just Math)
Posted on 2007-04-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5How many solutions? (in Just Math) Rating: 3.75
Posted on 2007-01-31 by Art M (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Proof positive: squares of integers (in Just Math)
Posted on 2007-04-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Polynomial Puzzle (in Just Math) Rating: 4.00
Posted on 2007-03-16 by Dennis (Solution Posted, 7 Comments)
Difficulty: 3 of 5Smallest Value (in Just Math) Rating: 3.33
Posted on 2007-03-27 by Dennis (Solution Posted, 6 Comments)
Difficulty: 2 of 5Basic Factoring (in Just Math) Rating: 3.00
Posted on 2007-03-21 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5A Geometric Race (in Just Math) Rating: 3.00
Posted on 2007-05-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Square An Integer, Get Quartic (in Just Math) Rating: 4.00
Posted on 2007-05-13 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Add Square Roots, Get Real(m) (in Just Math) Rating: 5.00
Posted on 2007-05-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Widescreen vs traditional (in Just Math) Rating: 2.33
Posted on 2007-02-23 by Ansh (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Special indices (in Just Math) Rating: 3.00
Posted on 2007-02-26 by Ansh (No Solution Yet, 4 Comments)
Difficulty: 3 of 5On the clock (in Just Math) Rating: 3.00
Posted on 2007-03-23 by Sing4TheDay (Solution Posted, 7 Comments)
Difficulty: 3 of 5Binet returns (in Just Math) Rating: 4.00
Posted on 2007-05-04 by Kurious (Solution Posted, 3 Comments)
Difficulty: 2 of 5Consider the expression, get zero remainder (in Just Math) Rating: 4.00
Posted on 2007-05-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divide the expression, get triplets (in Just Math) Rating: 5.00
Posted on 2007-05-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Sum Distinct Factors, Get Numbers (in Just Math) Rating: 3.00
Posted on 2007-05-24 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 2 of 5Get Real, Find The Triplets (in Just Math) Rating: 3.50
Posted on 2007-05-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5A Reciprocal And Square Problem (in Just Math) Rating: 3.50
Posted on 2007-07-10 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Balanced Stellar (in Just Math) Rating: 4.00
Posted on 2007-06-22 by brianjn (Solution Posted, 8 Comments)
Difficulty: 4 of 5A Perplexing (Prime) Puzzle (in Just Math) Rating: 4.00
Posted on 2007-06-05 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Matrix Identity (in Just Math)
Posted on 2007-04-26 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Two Trains (in Just Math) Rating: 4.25
Posted on 2007-05-05 by hoodat (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Exponentiate In Pairs, Get Numbers (in Just Math) Rating: 4.00
Posted on 2007-06-08 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Take Third Degree, Solve For Real (in Just Math) Rating: 3.00
Posted on 2007-06-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Always Divisible (in Just Math) Rating: 4.00
Posted on 2007-05-20 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5A simple logical question (in Just Math) Rating: 3.33
Posted on 2007-07-27 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 2 of 5Subtract From Sum And Multiply, Get Number(s) (in Just Math) Rating: 3.00
Posted on 2007-07-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Subtract The Cubics, Get Product (in Just Math) Rating: 3.33
Posted on 2007-07-22 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Multiply In Pairs, Get Product (in Just Math) Rating: 3.00
Posted on 2007-07-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Non ordered field (in Just Math) Rating: 3.00
Posted on 2007-06-06 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5Dodecahedral Vertex Sums (in Just Math) Rating: 4.00
Posted on 2007-06-01 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Compendium, Book And Novel (in Just Math) Rating: 2.67
Posted on 2007-08-11 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5The Sum of Fourth Powers (in Just Math) Rating: 4.00
Posted on 2007-07-04 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 2 of 5Starbucks! (in Just Math) Rating: 4.40
Posted on 2007-08-18 by jduval (Solution Posted, 12 Comments)
Difficulty: 4 of 5Getting Maps In 2080 (in Just Math) Rating: 4.33
Posted on 2007-08-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum Numbers, Get Even (Digits)? (in Just Math) Rating: 4.00
Posted on 2007-08-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5A problem on factors (in Just Math) Rating: 4.00
Posted on 2007-07-16 by Praneeth (Solution Posted, 2 Comments)
Difficulty: 2 of 5Sum of all solutions (in Just Math) Rating: 4.50
Posted on 2007-07-20 by Praneeth (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Take Quadratic And Cubic, Get Sum And Product (in Just Math) Rating: 3.80
Posted on 2007-08-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Getting Squared With 1 And 16 (in Just Math) Rating: 3.67
Posted on 2007-09-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5An interesting equation (in Just Math) Rating: 3.67
Posted on 2007-08-05 by Praneeth (Solution Posted, 2 Comments)
Difficulty: 2 of 5Prove the inequality (in Just Math) Rating: 4.25
Posted on 2007-08-12 by Praneeth (Solution Posted, 6 Comments)
Difficulty: 3 of 5Getting Perfect Squares With 4 And 9? (in Just Math) Rating: 4.00
Posted on 2007-09-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 52007 And A Real Problem (in Just Math) Rating: 3.25
Posted on 2007-09-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Getting the Numbers With Product And Quotient (in Just Math) Rating: 2.67
Posted on 2007-09-17 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Consider The Factors, Get Perfect Square? (in Just Math) Rating: 3.00
Posted on 2007-09-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Power 2 The Cards (in Just Math) Rating: 3.50
Posted on 2007-09-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Going Greatest With 2007 (in Just Math) Rating: 2.75
Posted on 2007-11-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Arrange with 3-4-5 difference (in Just Math) Rating: 4.00
Posted on 2007-10-16 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5A real p puzzle (in Just Math) Rating: 2.50
Posted on 2007-10-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Repunits And 2008 (in Just Math) Rating: 4.00
Posted on 2007-10-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Not an Integer! (in Just Math) Rating: 4.00
Posted on 2007-10-07 by Praneeth (Solution Posted, 5 Comments)
Difficulty: 3 of 5Find a geometric way to prove the inequality! (in Just Math) Rating: 3.33
Posted on 2007-11-07 by Chesca Ciprian (Solution Posted, 5 Comments)
Difficulty: 3 of 5Acute triangle, Trigonometric function! (in Just Math) Rating: 4.00
Posted on 2007-10-13 by Chesca Ciprian (Solution Posted, 9 Comments)
Difficulty: 3 of 5An Exponent Product And 98 Zeroes Puzzle (in Just Math) Rating: 4.50
Posted on 2007-10-27 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5Sine-full Pi (in Just Math) Rating: 2.33
Posted on 2007-11-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Any triangle, Trigonometric function - second episode! (in Just Math) Rating: 3.00
Posted on 2007-11-18 by Chesca Ciprian (Solution Posted, 12 Comments)
Difficulty: 2 of 5Getting Primed With Subtraction And Addition (in Just Math) Rating: 5.00
Posted on 2007-12-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Progressions with perfect squares! (in Just Math) Rating: 4.00
Posted on 2007-12-20 by Chesca Ciprian (Solution Posted, 2 Comments)
Difficulty: 3 of 5Special Ordered Pairs (in Just Math) Rating: 4.00
Posted on 2007-12-28 by Praneeth (Solution Posted, 2 Comments)
Difficulty: 2 of 5The Power(ful) Equations (in Just Math) Rating: 4.00
Posted on 2007-12-22 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 2 of 5Limit of the sequence? (in Just Math) Rating: 2.17
Posted on 2008-01-06 by Chesca Ciprian (Solution Posted, 10 Comments)
Difficulty: 3 of 5Equate To - 8, Get Roots (in Just Math) Rating: 3.00
Posted on 2008-02-02 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Consider The Relation, Sum Positive Integers (in Just Math) Rating: 3.50
Posted on 2008-02-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5AM and GM equality (in Just Math) Rating: 5.00
Posted on 2008-01-23 by Praneeth (Solution Posted, 3 Comments)
Difficulty: 3 of 5Subtract From Product, Get Integer (in Just Math) Rating: 3.00
Posted on 2008-03-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Given Ratio, Find Sum (in Just Math) Rating: 4.00
Posted on 2008-01-21 by Praneeth (Solution Posted, 5 Comments)
Difficulty: 3 of 5Near Cyclic Conundrum (in Just Math) Rating: 3.33
Posted on 2008-05-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Empower With X and 0.4 (in Just Math) Rating: 4.00
Posted on 2008-03-10 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 4 of 5A Power of an Integer Beginning with an Arbitrary Sequence (in Just Math) Rating: 3.80
Posted on 2008-01-31 by FrankM (Solution Posted, 6 Comments)
Difficulty: 2 of 5The Triangle's Bottom (in Just Math) Rating: 3.00
Posted on 2008-02-05 by FrankM (Solution Posted, 7 Comments)
Difficulty: 2 of 5Going Greatest With Arithmetic, Geometric And Harmonic (in Just Math) Rating: 2.00
Posted on 2008-03-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Worlds in collision (in Just Math) Rating: 3.00
Posted on 2008-02-16 by FrankM (Solution Posted, 1 Comments)
Difficulty: 3 of 5It's e-asy (in Just Math) Rating: 4.00
Posted on 2008-02-19 by FrankM (Solution Posted, 7 Comments)
Difficulty: 2 of 5Real Powerful Logarithms (in Just Math) Rating: 5.00
Posted on 2008-04-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Curious Consecutive Conundrum (in Just Math) Rating: 5.00
Posted on 2008-04-08 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Curious Real Additive Relationship (in Just Math) Rating: 3.00
Posted on 2008-04-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5You, versus Bobby Fisher (in Just Math) Rating: 3.00
Posted on 2008-04-05 by FrankM (Solution Posted, 4 Comments)
Difficulty: 2 of 5Quadratic With A Difference (in Just Math) Rating: 5.00
Posted on 2008-04-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Inradius and Perimeter (in Just Math) Rating: 4.00
Posted on 2008-02-26 by Praneeth (Solution Posted, 3 Comments)
Difficulty: 2 of 5Is It Necessary and Sufficient (in Just Math) Rating: 3.50
Posted on 2008-02-27 by Praneeth (Solution Posted, 5 Comments)
Difficulty: 2 of 5Prime as sum of Cubes of terms of AP? (in Just Math) Rating: 2.67
Posted on 2008-03-02 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 2 of 5Rounding the Root (in Just Math) Rating: 4.00
Posted on 2008-03-03 by FrankM (Solution Posted, 1 Comments)
Difficulty: 3 of 5Additively Quadratic (in Just Math) Rating: 3.00
Posted on 2008-04-19 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 53 Distinct Roots Not (in Just Math) Rating: 4.00
Posted on 2008-03-04 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5Perfect Square Not (in Just Math) Rating: 2.75
Posted on 2008-05-07 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Sum Greatest And Least Roots (in Just Math) Rating: 5.00
Posted on 2008-05-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Equalize Products, Get Inequality (in Just Math) Rating: 4.33
Posted on 2008-05-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Square 2 Score (in Just Math) Rating: 3.00
Posted on 2008-05-13 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Curious Real Additive Relationship II (in Just Math) Rating: 2.50
Posted on 2008-05-28 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Modular Polynomial Arithmetic (in Just Math) Rating: 4.00
Posted on 2008-04-16 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Product 2 Power Not (in Just Math) Rating: 3.50
Posted on 2008-07-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Stella and the Statistical Six (in Just Math) Rating: 4.00
Posted on 2008-04-18 by Paul (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Roulette anyone? (in Just Math) Rating: 4.00
Posted on 2008-07-13 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5Add 1, get a square (in Just Math) Rating: 5.00
Posted on 2008-07-17 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Captain Smith and his legacy (in Just Math)
Posted on 2008-08-01 by pcbouhid (Solution Posted, 1 Comments)
Difficulty: 3 of 5Unequally Yoked II (in Just Math) Rating: 4.00
Posted on 2008-07-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Minimum area of a triangle (in Just Math) Rating: 2.00
Posted on 2008-07-30 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 2 of 5Father and son (in Just Math) Rating: 4.00
Posted on 2008-08-04 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5The farmer and the sheep (in Just Math) Rating: 4.50
Posted on 2008-07-11 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 4 of 5Double Recursion Relation (in Just Math) Rating: 4.00
Posted on 2008-05-20 by FrankM (Solution Posted, 0 Comments)
Difficulty: 3 of 5Exradii and Circumradius (in Just Math) Rating: 4.00
Posted on 2008-06-10 by Praneeth (Solution Posted, 0 Comments)
Difficulty: 4 of 5Polynomial And Integer Coefficients (in Just Math) Rating: 2.00
Posted on 2008-06-13 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Four cars (in Just Math) Rating: 4.25
Posted on 2008-06-09 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Perfect Square Too (in Just Math) Rating: 3.50
Posted on 2008-06-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Doubles on reverse (in Just Math) Rating: 3.00
Posted on 2008-09-02 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four Colour Map (in Just Math) Rating: 5.00
Posted on 2008-07-08 by brianjn (Solution Posted, 2 Comments)
Difficulty: 2 of 5Getting Floored With 28 (in Just Math) Rating: 5.00
Posted on 2008-09-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Basic addition (in Just Math) Rating: 4.00
Posted on 2008-06-25 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Which is larger? (in Just Math) Rating: 4.25
Posted on 2008-06-30 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5A persistent divisibility (in Just Math) Rating: 4.50
Posted on 2008-07-03 by pcbouhid (Solution Posted, 2 Comments)
Difficulty: 2 of 5The five 3´s (in Just Math) Rating: 4.50
Posted on 2008-07-07 by pcbouhid (Solution Posted, 35 Comments)
Difficulty: 3 of 5Subtract 1 from squared abbbb (in Just Math) Rating: 4.00
Posted on 2008-08-16 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5SOD (in Just Math) Rating: 4.00
Posted on 2008-07-09 by pcbouhid (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Powers Sum Square (in Just Math) Rating: 2.33
Posted on 2008-07-04 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5A system of modular equations (in Just Math) Rating: 5.00
Posted on 2008-07-20 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 2 of 5Holes in a magic square (in Just Math) Rating: 3.00
Posted on 2008-07-26 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 3 of 5Some Reals Sum Integer (in Just Math) Rating: 5.00
Posted on 2008-08-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sequence Group II (in Just Math) Rating: 4.00
Posted on 2008-07-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Evaluate this remainder (in Just Math) Rating: 4.00
Posted on 2008-08-13 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 2 of 5Students in a tournament (in Just Math) Rating: 2.33
Posted on 2008-09-05 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Getting Primed With Squares (in Just Math) Rating: 3.50
Posted on 2008-07-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 51111 (in Just Math)
Posted on 2008-08-18 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Cube*Linear = Square*Cube (in Just Math)
Posted on 2008-08-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A digital root-perfect power problem (in Just Math) Rating: 4.00
Posted on 2008-07-01 by Dej Mar (Solution Posted, 7 Comments)
Difficulty: 2 of 5Always multiple (in Just Math) Rating: 4.00
Posted on 2008-09-07 by pcbouhid (Solution Posted, 1 Comments)
Difficulty: 2 of 5Trigonometric relationship (in Just Math)
Posted on 2008-09-19 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5ABC = A! + B! + C! (in Just Math)
Posted on 2008-09-13 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 3 of 5Sum SOD And Integer, Get Reversal (in Just Math) Rating: 4.00
Posted on 2008-09-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Reals Sum Two (in Just Math) Rating: 5.00
Posted on 2008-09-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Quadrilateral Sine Inequality (in Just Math)
Posted on 2008-08-05 by Jonathan Lindgren (No Solution Yet, 3 Comments)
Difficulty: 3 of 5No. of Distinct Solutions(1) (in Just Math) Rating: 3.50
Posted on 2008-07-05 by Praneeth (No Solution Yet, 2 Comments)
Difficulty: 2 of 5No. of Distinct Solutions(2) (in Just Math) Rating: 3.50
Posted on 2008-07-14 by Praneeth (Solution Posted, 1 Comments)
Difficulty: 3 of 5Going Cyclic With Geometric (in Just Math) Rating: 4.00
Posted on 2008-08-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5ABC's Of Greatest Divisor (in Just Math)
Posted on 2008-09-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Digit Reversal And Subtraction (in Just Math)
Posted on 2008-09-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5MultiSquares (in Just Math) Rating: 4.00
Posted on 2008-08-28 by brianjn (Solution Posted, 2 Comments)
Difficulty: 2 of 5Divisible by 11,111 (in Just Math) Rating: 3.25
Posted on 2008-10-02 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Getting the bases with aabbcc (in Just Math) Rating: 2.00
Posted on 2008-10-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Maximum and cubic to a T (in Just Math) Rating: 3.00
Posted on 2008-10-09 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5ababbbcc and perfect square(s) (in Just Math) Rating: 5.00
Posted on 2008-09-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Odd Digits 2 Differ Adjacently (in Just Math) Rating: 4.00
Posted on 2008-09-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Going Maximum With Arithmetic (in Just Math) Rating: 5.00
Posted on 2008-09-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5Power 2 Sum Power 3 And 5 (in Just Math)
Posted on 2008-10-04 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Sum Inverse LCMs (in Just Math) Rating: 4.00
Posted on 2008-10-03 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Cows, horses and dogs (in Just Math) Rating: 4.00
Posted on 2008-10-20 by pcbouhid (Solution Posted, 13 Comments)
Difficulty: 2 of 5Remainder With Square And Cube (in Just Math) Rating: 4.00
Posted on 2008-10-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5A long division (in Just Math) Rating: 3.00
Posted on 2008-09-29 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 3 of 5Absolute Value And Real Constant (in Just Math) Rating: 5.00
Posted on 2008-10-17 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Going maximum with factorial(s) (in Just Math) Rating: 5.00
Posted on 2008-10-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Suspects and Investigations (in Just Math) Rating: 1.00
Posted on 2008-08-29 by Praneeth (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Maximum Power 2 Divide Evenly (in Just Math) Rating: 4.00
Posted on 2008-10-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Exactly 20 games (in Just Math) Rating: 3.20
Posted on 2008-10-01 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5Pretty Potent Power Pair(s) (in Just Math) Rating: 5.00
Posted on 2008-10-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Use the stairs! (in Just Math) Rating: 4.50
Posted on 2008-09-12 by Andre (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Primes in arithmetic progression (in Just Math)
Posted on 2008-09-30 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 52 + 2 = 5 (in Just Math) Rating: 4.00
Posted on 2008-09-16 by Leming (Solution Posted, 7 Comments)
Difficulty: 2 of 5f(1998) (in Just Math) Rating: 3.00
Posted on 2008-10-31 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 2 of 5All divisible by 7 (in Just Math) Rating: 3.50
Posted on 2008-11-04 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 3 of 5Digits 0-9 In Reverse (in Just Math) Rating: 5.00
Posted on 2008-11-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5xyz radicals (in Just Math) Rating: 4.00
Posted on 2008-10-13 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Even Digit Perfect Square(s) (in Just Math) Rating: 5.00
Posted on 2008-10-25 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 2 of 5The 3 containers (in Just Math) Rating: 3.50
Posted on 2008-11-05 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 2 of 5The slug and the snail (in Just Math)
Posted on 2008-10-27 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 3 of 5Sequence Group III (in Just Math) Rating: 5.00
Posted on 2008-10-28 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Positively congruent to a T (in Just Math) Rating: 5.00
Posted on 2008-10-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Going Maximum With Deleted Digits (in Just Math) Rating: 5.00
Posted on 2008-11-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5A remarkable multiplication (in Just Math) Rating: 5.00
Posted on 2008-11-09 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Focusing Upon Couscous (in Just Math) Rating: 5.00
Posted on 2008-11-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Ten, Thousand and Then ….. (in Just Math) Rating: 5.00
Posted on 2008-11-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Some Sum Squares To Product (in Just Math) Rating: 5.00
Posted on 2008-11-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Quartic And Near Pandigital (in Just Math) Rating: 5.00
Posted on 2008-11-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Remainder With 3’s And 7’s (in Just Math) Rating: 4.50
Posted on 2008-11-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Digital power (in Just Math) Rating: 5.00
Posted on 2008-11-15 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 2 of 5Going Digital With Pythagoras (in Just Math)
Posted on 2008-11-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Curious Consecutive Cyphers (in Just Math) Rating: 2.00
Posted on 2008-11-25 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5The 90 turkeys (in Just Math)
Posted on 2008-11-27 by pcbouhid (Solution Posted, 13 Comments)
Difficulty: 3 of 5Getting The Minimum With SOD (in Just Math) Rating: 4.50
Posted on 2008-12-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Factorials Sum Power (in Just Math) Rating: 5.00
Posted on 2008-12-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5It's Any Island (in Just Math)
Posted on 2008-11-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Curious Cyclic Circumstance (in Just Math) Rating: 5.00
Posted on 2009-02-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Square Division (in Just Math) Rating: 5.00
Posted on 2008-12-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5The last locker (in Just Math)
Posted on 2008-12-20 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5Power x mod x (in Just Math) Rating: 4.00
Posted on 2008-12-18 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 2 of 5A great time waster (in Just Math) Rating: 5.00
Posted on 2008-12-29 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5The box (in Just Math) Rating: 5.00
Posted on 2009-01-02 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Digits 251 in sequence (in Just Math)
Posted on 2009-01-05 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 4 of 5Boats (in Just Math)
Posted on 2008-12-22 by alex (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Four special natural numbers (in Just Math)
Posted on 2008-12-11 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 1 of 5Boxed in boxes (in Just Math) Rating: 4.67
Posted on 2009-01-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Rationalize the denominator (in Just Math)
Posted on 2008-12-14 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum of Fourth Powers (in Just Math) Rating: 4.00
Posted on 2008-12-28 by Praneeth (Solution Posted, 2 Comments)
Difficulty: 3 of 5Defective Bulbs (in Just Math) Rating: 3.00
Posted on 2008-12-12 by Praneeth (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Curious Consecutive Cyphers II (in Just Math) Rating: 5.00
Posted on 2009-02-23 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Runners on a Square Field (in Just Math) Rating: 5.00
Posted on 2009-01-15 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 3 of 5Add to Product Inverse (in Just Math) Rating: 4.00
Posted on 2009-03-06 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Even Perimeter (in Just Math)
Posted on 2009-01-16 by Praneeth (Solution Posted, 3 Comments)
Difficulty: 2 of 52009 a cube? Baseless! (in Just Math)
Posted on 2009-03-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5The hour-glass (in Just Math) Rating: 2.50
Posted on 2009-01-20 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5Exponent Crossed Power (in Just Math) Rating: 4.50
Posted on 2009-03-18 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 2 of 5Digits 1-7 (in Just Math) Rating: 5.00
Posted on 2009-03-30 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Happy 2009 to you all (in Just Math) Rating: 5.00
Posted on 2009-02-08 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Sequence with only 3 numbers (in Just Math) Rating: 2.00
Posted on 2009-03-07 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 3 of 5Fifth root (cubic) = Cube root (quintic) (in Just Math)
Posted on 2009-04-05 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Way to minimum and maximum (in Just Math) Rating: 3.00
Posted on 2009-04-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Another case of divisibility (in Just Math)
Posted on 2009-02-15 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Newsless Alphametics (in Just Math) Rating: 5.00
Posted on 2009-04-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sum = Cube Root 2, Triplet Not (in Just Math) Rating: 5.00
Posted on 2009-07-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Inventory and Rye (in Just Math) Rating: 5.00
Posted on 2009-07-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Factorials and Powers (in Just Math) Rating: 4.00
Posted on 2009-04-22 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5The Civic Club (in Just Math) Rating: 2.67
Posted on 2009-02-14 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Curious Cubic Triplet(s) (in Just Math) Rating: 5.00
Posted on 2009-05-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Eight-Digit Numbers In Reverse (in Just Math) Rating: 2.00
Posted on 2009-06-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Switching Hands (in Just Math) Rating: 3.00
Posted on 2009-04-25 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum Powers Sum Square II (in Just Math) Rating: 4.00
Posted on 2009-07-08 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Making integer an expression (in Just Math) Rating: 3.00
Posted on 2009-03-20 by pcbouhid (Solution Posted, 13 Comments)
Difficulty: 3 of 52*s3 = 3*t2 + 4 (in Just Math) Rating: 5.00
Posted on 2009-06-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Rationally Integers (in Just Math) Rating: 5.00
Posted on 2009-06-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Some Inverses Sum Inverse (in Just Math) Rating: 5.00
Posted on 2009-07-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Powering Up The Matrix (in Just Math) Rating: 5.00
Posted on 2009-06-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Eleven Exponent Divides Evenly (in Just Math) Rating: 5.00
Posted on 2009-08-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Subtract 1, get a square (in Just Math) Rating: 5.00
Posted on 2009-06-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Numerology (in Just Math)
Posted on 2009-02-28 by brianjn (Solution Posted, 10 Comments)
Difficulty: 2 of 5Integer Side Lengths (in Just Math) Rating: 3.00
Posted on 2009-03-05 by Bractals (Solution Posted, 9 Comments)
Difficulty: 2 of 5Digits 1 to B (in Just Math) Rating: 2.00
Posted on 2009-07-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Tom and Harry Run to School (in Just Math) Rating: 4.00
Posted on 2009-05-20 by Charlie (Solution Posted, 15 Comments)
Difficulty: 2 of 5Exploring New Guinea (based on a true story!) (in Just Math) Rating: 4.00
Posted on 2009-05-07 by FrankM (Solution Posted, 2 Comments)
Difficulty: 2 of 5Circumcircle and Incircle (in Just Math) Rating: 4.00
Posted on 2009-05-26 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 2 of 5Even Erasure (in Just Math) Rating: 5.00
Posted on 2009-08-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Some Quadratics Equal Square (in Just Math) Rating: 3.00
Posted on 2009-08-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Just one expression (in Just Math) Rating: 4.00
Posted on 2009-07-07 by pcbouhid (Solution Posted, 1 Comments)
Difficulty: 3 of 5Primes and Squares (in Just Math) Rating: 5.00
Posted on 2009-08-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5From Figsdale, Going to Garsville (in Just Math)
Posted on 2009-08-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A! + B! + C! = 3D (in Just Math) Rating: 5.00
Posted on 2009-08-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Repeat 4, get square (in Just Math) Rating: 5.00
Posted on 2009-08-29 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Unequally Yoked III (in Just Math) Rating: 4.50
Posted on 2009-09-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Fly on a cone (in Just Math) Rating: 4.00
Posted on 2009-07-01 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Reciprocals (in Just Math) Rating: 5.00
Posted on 2009-07-12 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Quadrilateral in a rectangle (in Just Math) Rating: 4.00
Posted on 2009-07-17 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5Minimum Value With Ratio (in Just Math)
Posted on 2009-09-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Infinitely Continued (in Just Math)
Posted on 2009-09-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Real Product to Integer (in Just Math) Rating: 5.00
Posted on 2009-09-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Pan Shared (in Just Math) Rating: 5.00
Posted on 2009-07-22 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Progressively Geometric (in Just Math) Rating: 5.00
Posted on 2009-09-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5My favorite numbers II (in Just Math) Rating: 4.00
Posted on 2009-12-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Repunit Product, Palindrome Not (in Just Math) Rating: 5.00
Posted on 2009-09-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Pennies = Nickels (in Just Math) Rating: 2.33
Posted on 2009-10-08 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Integer Pair and Prime Constant (in Just Math) Rating: 3.00
Posted on 2009-10-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5x + y * 3√2 + z * 3√4 = 0 (in Just Math) Rating: 3.00
Posted on 2009-10-15 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 3 of 52/5 ≤ m/n ≤ 3/5 (in Just Math) Rating: 4.50
Posted on 2009-10-20 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Supreme Seventy Sum (in Just Math) Rating: 4.50
Posted on 2009-10-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 54xy - x – y ≠ Perfect Square (in Just Math) Rating: 3.50
Posted on 2009-11-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Positive Integer ≠ (2P – 2Q)/(2R – 2S) (in Just Math) Rating: 5.00
Posted on 2009-11-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5My favorite numbers III (in Just Math) Rating: 5.00
Posted on 2010-03-04 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Permute 2 Power (in Just Math) Rating: 5.00
Posted on 2009-11-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Going Arithmetic With Alphametic II (in Just Math) Rating: 5.00
Posted on 2009-11-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Tricky Tournament Treat (in Just Math) Rating: 5.00
Posted on 2009-11-30 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Generation Gap II (in Just Math) Rating: 4.00
Posted on 2009-12-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sum (Pair Product) - Product = 2 (in Just Math) Rating: 5.00
Posted on 2009-12-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Bold Minimum (in Just Math) Rating: 4.50
Posted on 2009-12-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Square and Consecutive Cubes (in Just Math) Rating: 5.00
Posted on 2009-12-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5(q2 + 1)/(pq -1) = Integer (in Just Math) Rating: 5.00
Posted on 2009-12-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Nonnegative and nines (in Just Math) Rating: 3.00
Posted on 2010-02-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Infinitely Continued II (in Just Math) Rating: 4.00
Posted on 2009-12-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Minimum Value with RMS (in Just Math) Rating: 4.00
Posted on 2009-12-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Squarely Divisible? (in Just Math) Rating: 4.50
Posted on 2009-12-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Absolute Adjacent Cell Difference (in Just Math)
Posted on 2010-01-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The ants go marching. (in Just Math) Rating: 4.00
Posted on 2009-10-21 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Oil Tanker (in Just Math)
Posted on 2009-10-23 by Bractals (Solution Posted, 7 Comments)
Difficulty: 2 of 5Quadratic Expressions, Perfect Square Not (in Just Math) Rating: 3.50
Posted on 2010-01-03 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Quaint Quartic-Quadratic Sum (in Just Math) Rating: 4.00
Posted on 2010-01-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5PX + 144 = Perfect Square (in Just Math) Rating: 5.00
Posted on 2010-01-12 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Solutions of a System (in Just Math)
Posted on 2009-10-26 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 3 of 5S(2*N) ≤ 2*S(N) ≤ 10*S(2*N) (in Just Math) Rating: 5.00
Posted on 2010-01-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Integer Pair and Prime Constant II (in Just Math) Rating: 5.00
Posted on 2010-01-23 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Disagreeable Calculator (in Just Math) Rating: 3.67
Posted on 2009-12-01 by brianjn (Solution Posted, 5 Comments)
Difficulty: 2 of 5Succinct Age Settlement (in Just Math) Rating: 1.00
Posted on 2010-02-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Candy Concerns (in Just Math) Rating: 5.00
Posted on 2010-02-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Power 2 Perfect Square Not (in Just Math) Rating: 4.50
Posted on 2010-02-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Not So Simple Sines (in Just Math) Rating: 4.00
Posted on 2009-12-24 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 4 of 51 + 2P*3Q= Perfect Square (in Just Math) Rating: 5.00
Posted on 2010-03-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Perfect Square To Divisibility By 56 (in Just Math) Rating: 4.00
Posted on 2010-04-01 by K Sengupta (Solution Posted, 15 Comments)
Difficulty: 3 of 5Exponential Difficulties 3 (in Just Math) Rating: 5.00
Posted on 2010-06-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum (Pair Product) - Sum = 21 (in Just Math) Rating: 3.50
Posted on 2010-06-07 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5My favorite numbers V (in Just Math) Rating: 5.00
Posted on 2010-06-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Prime and Divisors Derivation (in Just Math) Rating: 5.00
Posted on 2010-06-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 550 - Digit Number II (in Just Math) Rating: 3.00
Posted on 2010-05-29 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Age Ascertainment (in Just Math) Rating: 5.00
Posted on 2010-04-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sum Square Roots ≤ Real Number (in Just Math) Rating: 5.00
Posted on 2010-04-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5(p+5)/8 and (p+1)/4 = Prime Numbers (in Just Math) Rating: 3.00
Posted on 2010-04-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Choose To Prime Poser (in Just Math) Rating: 5.00
Posted on 2010-04-18 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Fraction and Root (in Just Math) Rating: 5.00
Posted on 2010-09-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Squares joining quadratics (in Just Math) Rating: 4.00
Posted on 2010-02-24 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Positive Integer Choice (in Just Math) Rating: 1.00
Posted on 2010-04-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5(7N-1 – 1)/N = Perfect Square (in Just Math) Rating: 5.00
Posted on 2010-04-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5 2*P + 2 = Perfect Square? (in Just Math) Rating: 4.50
Posted on 2010-05-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5My favorite numbers IV (in Just Math) Rating: 3.00
Posted on 2010-05-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum Squares = 2009 Subtraction (in Just Math) Rating: 5.00
Posted on 2010-05-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Committee Choice Concern (in Just Math) Rating: 5.00
Posted on 2010-05-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Modified Product = Sum (in Just Math) Rating: 5.00
Posted on 2010-05-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square sum with 5-6-7 (in Just Math)
Posted on 2010-08-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Counting Quadruplets (in Just Math) Rating: 5.00
Posted on 2010-08-20 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Wacko Calculator II (in Just Math)
Posted on 2010-08-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sum (Squares) = Prime Number (in Just Math) Rating: 4.00
Posted on 2010-09-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pandigital Divisibility (in Just Math)
Posted on 2010-09-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Product = Sum + 2 (in Just Math) Rating: 5.00
Posted on 2010-09-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Profession and Average Age (in Just Math) Rating: 5.00
Posted on 2010-09-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Counting Quadruplets II (in Just Math) Rating: 5.00
Posted on 2010-09-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The ice cream cone (in Just Math) Rating: 5.00
Posted on 2010-03-01 by Dej Mar (Solution Posted, 4 Comments)
Difficulty: 2 of 5Many triplets (in Just Math)
Posted on 2010-05-10 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Power of two (in Just Math) Rating: 4.00
Posted on 2010-05-12 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Lucky seven II (in Just Math) Rating: 5.00
Posted on 2010-06-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Inscribed circle and Line Choice (in Just Math) Rating: 5.00
Posted on 2010-06-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Reciprocal Equation #3 (in Just Math) Rating: 3.50
Posted on 2010-07-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5aaabaaa and perfect square (in Just Math) Rating: 5.00
Posted on 2010-07-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Triangular Trial (in Just Math) Rating: 5.00
Posted on 2010-07-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Three Skill Settlement (in Just Math) Rating: 5.00
Posted on 2010-07-26 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 4 of 5Simple question gets a complicated answer (in Just Math) Rating: 3.00
Posted on 2010-05-02 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5sod(square) - number = 2 (in Just Math) Rating: 3.50
Posted on 2010-09-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sequence Group IV (in Just Math) Rating: 4.50
Posted on 2010-09-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum and Square Root Sum (in Just Math) Rating: 4.67
Posted on 2010-09-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 52008 a fourth power? Baseless! (in Just Math) Rating: 4.50
Posted on 2010-10-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sum Squared Digits = Number (in Just Math) Rating: 5.00
Posted on 2010-10-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Iterated Specs (in Just Math)
Posted on 2010-05-28 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Look for the pairs (in Just Math) Rating: 4.00
Posted on 2010-10-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Squares Probability III (in Just Math)
Posted on 2010-08-19 by Larry (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Restoring the erased (in Just Math) Rating: 4.00
Posted on 2010-07-14 by Ady TZIDON (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Oddly divisible (in Just Math) Rating: 3.33
Posted on 2010-07-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 518-yes, 17-maybe (in Just Math)
Posted on 2010-08-06 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5OOO3= one out of three (in Just Math)
Posted on 2010-11-04 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Make A Fib (in Just Math)
Posted on 2010-07-09 by Larry (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Seven Divisibility Settlement (in Just Math) Rating: 3.00
Posted on 2010-11-13 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5My favorite numbers VI (in Just Math) Rating: 5.00
Posted on 2010-11-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Duplicate Digit Determination II (in Just Math) Rating: 5.00
Posted on 2010-11-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Polynomial Ponder (in Just Math) Rating: 5.00
Posted on 2010-11-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum > Sum Reciprocals (in Just Math)
Posted on 2010-11-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Dozen Divisibility Dilemma (in Just Math) Rating: 5.00
Posted on 2010-12-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Number = Power Remainder II (in Just Math) Rating: 5.00
Posted on 2010-12-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum Prime Power (in Just Math) Rating: 5.00
Posted on 2010-12-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5And her true age is... (in Just Math) Rating: 2.50
Posted on 2010-10-14 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three Term Trial (in Just Math) Rating: 3.33
Posted on 2011-01-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum and Ratio Sum (in Just Math)
Posted on 2011-01-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Numerator Divisibility Nuance (in Just Math) Rating: 5.00
Posted on 2011-01-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Counting Quadruplets III (in Just Math) Rating: 5.00
Posted on 2011-02-06 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Factorial Ratio (in Just Math) Rating: 5.00
Posted on 2011-02-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Q^2 + R = 1977 (in Just Math)
Posted on 2011-02-08 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sum Functions Determination (in Just Math)
Posted on 2011-02-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some sum sod settlement (in Just Math) Rating: 5.00
Posted on 2011-02-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum (expression) = 10*n (in Just Math) Rating: 3.00
Posted on 2011-02-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 520(11) a tenth power? Baseless! (in Just Math) Rating: 3.50
Posted on 2011-02-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisibility to square (in Just Math) Rating: 4.00
Posted on 2011-03-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Set of Lines with a Condition (in Just Math)
Posted on 2010-08-11 by Praneeth (No Solution Yet, 1 Comments)
Difficulty: 3 of 55 conditions to get 2 results (in Just Math) Rating: 2.50
Posted on 2010-10-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Non-rational Quadratic (in Just Math)
Posted on 2010-08-22 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5 Nineteen triplets (in Just Math) Rating: 3.00
Posted on 2010-09-23 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Defined Function (in Just Math) Rating: 4.00
Posted on 2010-10-24 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5TriNRect (in Just Math) Rating: 5.00
Posted on 2010-10-13 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5Magic, but limited (in Just Math)
Posted on 2010-11-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Digit Determination II (in Just Math) Rating: 5.00
Posted on 2010-12-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum Divisors - 1 = Number (in Just Math) Rating: 5.00
Posted on 2010-12-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Duplicate Digit Determination III (in Just Math) Rating: 5.00
Posted on 2010-12-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 52^1998 divides (1997^M - 1) (in Just Math)
Posted on 2010-12-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Structured Sequential Square Root Sum (in Just Math)
Posted on 2010-12-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Commuting Involutions Maximally (in Just Math)
Posted on 2010-12-31 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Lucky seven III (in Just Math) Rating: 4.67
Posted on 2011-01-05 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Greatest Root Power (in Just Math) Rating: 5.00
Posted on 2011-01-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Circles and Polygons (in Just Math)
Posted on 2010-09-05 by Larry (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Sum and Ratio Sum II (in Just Math)
Posted on 2011-05-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Diophantine quickie (in Just Math) Rating: 5.00
Posted on 2011-05-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Logarithmic Equality (in Just Math) Rating: 3.00
Posted on 2011-05-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Few, but active (in Just Math) Rating: 1.00
Posted on 2010-10-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Which multiple of 9? (in Just Math) Rating: 4.00
Posted on 2010-09-17 by Jer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Lost Logarithm (in Just Math) Rating: 3.00
Posted on 2010-11-02 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rational Rigor (in Just Math) Rating: 3.50
Posted on 2011-03-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Distinct Digit Determination III (in Just Math)
Posted on 2011-03-24 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Numerous Numeral Enumeration (in Just Math) Rating: 4.50
Posted on 2011-03-20 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Factorial Difference = Perfect Square (in Just Math) Rating: 2.50
Posted on 2011-03-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52011 Powered Digits (in Just Math)
Posted on 2011-03-25 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Sequence Group V (in Just Math) Rating: 4.33
Posted on 2011-03-31 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5My favorite numbers VII (in Just Math)
Posted on 2011-04-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Odd and Integer Zeros (in Just Math)
Posted on 2011-04-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Quartic and Consecutive Concern (in Just Math) Rating: 5.00
Posted on 2011-04-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Power Division (in Just Math) Rating: 4.50
Posted on 2011-04-19 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mod And Near Myriad (in Just Math) Rating: 5.00
Posted on 2011-04-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5srebmuN desreveR (in Just Math) Rating: 3.00
Posted on 2010-11-18 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Triangulating a hexagon. (in Just Math) Rating: 4.00
Posted on 2010-11-24 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Successively incident (in Just Math)
Posted on 2011-05-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Mother of nine (in Just Math) Rating: 4.00
Posted on 2010-12-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5A piece of pie (in Just Math)
Posted on 2010-12-07 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Sum Remainder Deduction (in Just Math)
Posted on 2011-05-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A twist in the tale. (in Just Math)
Posted on 2010-11-14 by broll (Solution Posted, 0 Comments)
Difficulty: 2 of 5Square Plane Function (in Just Math)
Posted on 2010-11-16 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Closed Closure (in Just Math) Rating: 5.00
Posted on 2011-04-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Inversely Irrational (in Just Math)
Posted on 2011-05-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Counting Sextuplets (in Just Math)
Posted on 2011-05-04 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Many triplets II (in Just Math) Rating: 2.50
Posted on 2011-05-07 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Terminating in three 8s (in Just Math)
Posted on 2011-05-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Hail to thee, Sofia! (in Just Math) Rating: 3.00
Posted on 2010-12-13 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Nine nine-digits results (in Just Math) Rating: 4.00
Posted on 2010-12-16 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Some strings attached (in Just Math)
Posted on 2010-12-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Ambiguous dice (in Just Math)
Posted on 2010-12-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Duplicate Digit Determination IV (in Just Math) Rating: 5.00
Posted on 2011-06-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Ratio Resolution (in Just Math) Rating: 5.00
Posted on 2011-06-15 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5A small difference (in Just Math)
Posted on 2011-02-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5241 (in Just Math)
Posted on 2011-02-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5a) is easy, b) is not (in Just Math) Rating: 3.00
Posted on 2011-02-18 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Missing Hexadecimal Digits (in Just Math)
Posted on 2011-06-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum powers do not take five (in Just Math) Rating: 3.33
Posted on 2011-06-30 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Sum, Product and Square (in Just Math)
Posted on 2011-07-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Product + Square = Difference of Squares (in Just Math) Rating: 4.00
Posted on 2011-07-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mixed Muddle (in Just Math)
Posted on 2011-07-05 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Prime Birthdays II (in Just Math) Rating: 5.00
Posted on 2011-07-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Lucky seven IV (in Just Math)
Posted on 2011-07-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Counting triplets II (in Just Math)
Posted on 2011-07-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Integers II (in Just Math) Rating: 5.00
Posted on 2011-08-02 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Not a fraction (in Just Math) Rating: 4.00
Posted on 2011-04-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two happy ends (in Just Math)
Posted on 2011-03-07 by Ady TZIDON (Solution Posted, 11 Comments)
Difficulty: 4 of 5Neither 3 nor 6 (in Just Math)
Posted on 2011-03-11 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5So many quintuplets... (in Just Math) Rating: 4.00
Posted on 2011-03-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5Almost equal (in Just Math) Rating: 3.75
Posted on 2011-04-01 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5An old one (in Just Math)
Posted on 2011-05-02 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Makes a difference (in Just Math)
Posted on 2011-04-14 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5S.O.S. partition needed!! (in Just Math)
Posted on 2011-04-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Decode the double code (in Just Math) Rating: 4.00
Posted on 2011-06-09 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 1 of 5Mission impossible (in Just Math)
Posted on 2011-04-18 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 1 of 5Chime spacing. (in Just Math)
Posted on 2011-05-12 by Jer (Solution Posted, 2 Comments)
Difficulty: 2 of 5How young is he? (in Just Math) Rating: 3.00
Posted on 2011-05-16 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Factor numbers (in Just Math) Rating: 4.80
Posted on 2011-03-26 by Math Man (Solution Posted, 5 Comments)
Difficulty: 2 of 5Step Function II (in Just Math) Rating: 5.00
Posted on 2011-08-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5My favorite numbers VIII (in Just Math) Rating: 1.00
Posted on 2011-08-10 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5a!+ b!+ c!= abc – a (in Just Math)
Posted on 2011-08-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Expression Evaluation (in Just Math)
Posted on 2011-08-17 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Move the 2 - double the number II (in Just Math) Rating: 5.00
Posted on 2011-08-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quartic Quandary (in Just Math) Rating: 3.00
Posted on 2011-08-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum of cubes and squares (in Just Math)
Posted on 2011-08-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Factorial Remainder (in Just Math) Rating: 5.00
Posted on 2011-09-02 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Squaring Up The Digits II (in Just Math) Rating: 4.33
Posted on 2011-09-03 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Diophantine quickie II (in Just Math) Rating: 5.00
Posted on 2011-09-09 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Mental Arithmetic II (in Just Math)
Posted on 2011-09-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Lucky seven V (in Just Math) Rating: 5.00
Posted on 2011-09-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 52011 Square Start (in Just Math) Rating: 5.00
Posted on 2011-09-16 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Duodecimal Digits (in Just Math) Rating: 4.50
Posted on 2011-09-22 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5Take five (in Just Math) Rating: 3.67
Posted on 2011-05-22 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5A well-defined age (in Just Math)
Posted on 2011-05-23 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Product + Square = Difference of Squares (2) (in Just Math)
Posted on 2011-07-20 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5Close neighbors (in Just Math) Rating: 5.00
Posted on 2011-07-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Missing digits (in Just Math) Rating: 3.67
Posted on 2011-06-06 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Fortieth logs (in Just Math) Rating: 4.50
Posted on 2011-05-31 by Jer (Solution Posted, 15 Comments)
Difficulty: 3 of 5By all means (in Just Math)
Posted on 2011-06-16 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Fermat simplified (in Just Math)
Posted on 2011-06-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A skilfull erasure (in Just Math)
Posted on 2011-06-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5As easy as abc (in Just Math) Rating: 5.00
Posted on 2011-06-28 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Mine & thine (in Just Math) Rating: 5.00
Posted on 2011-08-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Compare (in Just Math)
Posted on 2011-07-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5How many roots? (in Just Math)
Posted on 2011-07-31 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Prove irrationality (in Just Math) Rating: 5.00
Posted on 2011-08-07 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Six tangents (in Just Math)
Posted on 2014-08-17 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 3 of 5 Trigonometric progression (in Just Math)
Posted on 2014-08-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Divisible? Yes and No. (in Just Math)
Posted on 2011-08-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Math pyramid (in Just Math)
Posted on 2011-08-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Icy winter shifting (in Just Math) Rating: 5.00
Posted on 2011-08-24 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Romanumerals (in Just Math)
Posted on 2011-08-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Telephone Number Travail (in Just Math) Rating: 5.00
Posted on 2011-09-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Myriad Factorial Digit (in Just Math) Rating: 1.00
Posted on 2011-10-01 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Multiply Digits, Get Quadratic (in Just Math)
Posted on 2011-10-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 52011 Square End (in Just Math) Rating: 5.00
Posted on 2011-10-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Prime and power poser (in Just Math) Rating: 3.00
Posted on 2011-10-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Going Maximum With Perfect Cubes (in Just Math)
Posted on 2011-10-15 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Last three digits (in Just Math) Rating: 3.00
Posted on 2011-10-19 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Repunit Rigor (in Just Math) Rating: 3.00
Posted on 2011-10-25 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Digit addition and insertion (in Just Math) Rating: 5.00
Posted on 2011-10-27 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5Going Maximum with Geometric (in Just Math)
Posted on 2011-10-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Power Division II (in Just Math) Rating: 5.00
Posted on 2011-11-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Power Difference (in Just Math)
Posted on 2011-11-06 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Counting triplets III (in Just Math) Rating: 5.00
Posted on 2011-11-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Farmer Giles (in Just Math)
Posted on 2014-10-21 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Sequence of subsets (in Just Math)
Posted on 2014-09-06 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Floor Equation (in Just Math)
Posted on 2014-12-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Nil Carry Nuance (in Just Math) Rating: 5.00
Posted on 2014-12-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cube Difference Deduction (in Just Math) Rating: 5.00
Posted on 2014-12-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Nine Factorial Nuance (in Just Math) Rating: 5.00
Posted on 2014-12-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Distinct sod (in Just Math) Rating: 5.00
Posted on 2014-12-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Geometric and Harmonic Harmony (in Just Math) Rating: 5.00
Posted on 2014-12-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Equation Exercise (in Just Math) Rating: 5.00
Posted on 2014-12-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Floor Fulfilment (in Just Math) Rating: 5.00
Posted on 2014-12-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Power Sum Poser (in Just Math) Rating: 5.00
Posted on 2014-12-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divisible by 28 (in Just Math) Rating: 5.00
Posted on 2014-12-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Omega to Alpha Observation (in Just Math) Rating: 4.00
Posted on 2014-12-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Reverse Role II (in Just Math) Rating: 5.00
Posted on 2014-12-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hexadecimal Digit Travail (in Just Math) Rating: 5.00
Posted on 2014-12-25 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Determine divisibility (in Just Math)
Posted on 2014-09-29 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Get them up (in Just Math) Rating: 4.00
Posted on 2014-10-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5An equation (in Just Math)
Posted on 2014-07-03 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Three subsets (in Just Math) Rating: 5.00
Posted on 2014-08-15 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Three tasks (in Just Math)
Posted on 2014-08-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Grandma's age (in Just Math) Rating: 2.00
Posted on 2014-08-20 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Max and Min (in Just Math)
Posted on 2014-09-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Harmonic Power Treat (in Just Math)
Posted on 2014-11-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Simultaneous Surmise (in Just Math) Rating: 3.67
Posted on 2014-11-29 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Near Pandigital Ponder (in Just Math) Rating: 5.00
Posted on 2014-11-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Reverse Role (in Just Math) Rating: 3.00
Posted on 2014-10-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Function Function Function Function Foray (in Just Math) Rating: 5.00
Posted on 2015-03-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Distinct Values Validation (in Just Math) Rating: 5.00
Posted on 2014-10-16 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 1 of 5Reply to this (in Just Math) Rating: 5.00
Posted on 2014-10-30 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Complex Conclusion II (in Just Math) Rating: 5.00
Posted on 2014-11-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Identical Digit Baffle II (in Just Math) Rating: 5.00
Posted on 2014-10-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Seventeen divides expression? (in Just Math)
Posted on 2015-04-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5RMS Rigor (in Just Math) Rating: 4.50
Posted on 2014-11-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Inconsiderable Integer Illation (in Just Math) Rating: 5.00
Posted on 2014-11-16 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Composite Sum Satisfaction (in Just Math) Rating: 5.00
Posted on 2014-11-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Diophantine Doldrum (in Just Math) Rating: 5.00
Posted on 2014-11-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Eighty Four Exercise (in Just Math) Rating: 5.00
Posted on 2014-11-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Identical Digit Determination (in Just Math)
Posted on 2014-11-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Deux Digit Determination (in Just Math)
Posted on 2014-11-13 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Real Resolution II (in Just Math) Rating: 5.00
Posted on 2014-11-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Minimum Value Muse 2 (in Just Math) Rating: 5.00
Posted on 2014-11-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Simultaneous Satisfaction II (in Just Math) Rating: 4.00
Posted on 2014-11-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Fifteen Multiple Muse (in Just Math) Rating: 4.00
Posted on 2014-11-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5n2m or m2n ? (in Just Math)
Posted on 2014-07-16 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Arithmetic Grid II (in Just Math)
Posted on 2014-06-12 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5One, two, three, five. (in Just Math)
Posted on 2014-06-07 by broll (Solution Posted, 3 Comments)
Difficulty: 3 of 5Taking the Fifth (in Just Math)
Posted on 2014-06-21 by broll (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cot Ratio Conclusion (in Just Math) Rating: 5.00
Posted on 2014-10-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5One of a kind (in Just Math)
Posted on 2014-07-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Easy count (in Just Math)
Posted on 2014-07-29 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Q: What time is it now, dear R.? (in Just Math) Rating: 4.67
Posted on 2011-09-19 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5Factorial Quotient (in Just Math) Rating: 4.67
Posted on 2011-11-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Point to 2011 (in Just Math)
Posted on 2011-11-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Timely determination (in Just Math)
Posted on 2011-11-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two Power Divides Product (in Just Math) Rating: 4.00
Posted on 2011-12-05 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Polygons in a Cube (in Just Math)
Posted on 2011-12-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5N-Divisibility II (in Just Math) Rating: 5.00
Posted on 2011-12-17 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Summing square inverses (in Just Math)
Posted on 2011-12-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Consecutive non-divisors (in Just Math)
Posted on 2011-12-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52011 Square Sum Start (in Just Math) Rating: 5.00
Posted on 2011-12-31 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Integer Forms (in Just Math) Rating: 4.00
Posted on 2012-01-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 52011 Square Sum End (in Just Math) Rating: 5.00
Posted on 2012-01-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Seconds, anyone? (in Just Math) Rating: 5.00
Posted on 2011-10-03 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5RARE SURE QUORA (in Just Math) Rating: 5.00
Posted on 2011-10-02 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 2 of 5Lasts a year (in Just Math) Rating: 3.67
Posted on 2011-10-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Angle of view (in Just Math)
Posted on 2011-10-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Special dice (in Just Math) Rating: 4.00
Posted on 2011-10-30 by Ady TZIDON (No Solution Yet, 18 Comments)
Difficulty: 3 of 5An extended harmony (in Just Math)
Posted on 2011-11-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Some relation! (in Just Math) Rating: 3.00
Posted on 2011-11-11 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Twins, triplets and more (in Just Math) Rating: 4.00
Posted on 2011-11-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5All in the family (in Just Math) Rating: 4.50
Posted on 2011-11-20 by Ady TZIDON (No Solution Yet, 17 Comments)
Difficulty: 4 of 5Prime Order (in Just Math)
Posted on 2011-11-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Ones or twos (in Just Math)
Posted on 2011-12-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Not all are equal (in Just Math) Rating: 5.00
Posted on 2011-12-03 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Getting gadgets galore (in Just Math) Rating: 5.00
Posted on 2011-12-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 55-digit period (in Just Math) Rating: 4.00
Posted on 2011-12-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Produce a product (in Just Math) Rating: 3.67
Posted on 2012-01-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Minimum value with 75 (in Just Math) Rating: 3.33
Posted on 2014-10-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Simultaneous Settlement (in Just Math) Rating: 5.00
Posted on 2012-01-27 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 4 of 5Non - Zero Digit II (in Just Math)
Posted on 2012-02-05 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Matchstick Frenzy II (in Just Math) Rating: 4.33
Posted on 2012-02-26 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Summing inverses II (in Just Math)
Posted on 2012-03-16 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 4 of 518 digits (in Just Math) Rating: 3.00
Posted on 2012-01-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Only one basic solution (in Just Math)
Posted on 2014-07-02 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5 Two sensors (in Just Math)
Posted on 2014-07-15 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Neither a borrower nor a lender be, (in Just Math)
Posted on 2014-07-01 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5 Generating a square (in Just Math)
Posted on 2014-07-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Angle of view - Ellipse and Hyperbola (in Just Math) Rating: 4.50
Posted on 2011-11-24 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Getting 13 (in Just Math) Rating: 4.00
Posted on 2014-07-21 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Maybe? (in Just Math) Rating: 3.00
Posted on 2012-01-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Yes and no (in Just Math)
Posted on 2012-01-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Sum of squares (in Just Math)
Posted on 2012-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 539 does it (in Just Math) Rating: 5.00
Posted on 2012-02-19 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5S.o.d . of s.o.d ,,, (in Just Math) Rating: 4.00
Posted on 2012-02-21 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Math. competition, (in Just Math) Rating: 4.75
Posted on 2012-03-21 by Ady TZIDON (No Solution Yet, 117 Comments)
Difficulty: 3 of 5Proof needed (in Just Math) Rating: 4.00
Posted on 2012-03-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Point to 2012 (in Just Math) Rating: 3.00
Posted on 2012-04-04 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Three Power Remainder (in Just Math) Rating: 4.00
Posted on 2012-04-14 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Greatest Integer Sum (in Just Math) Rating: 3.00
Posted on 2012-05-07 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Last 2007 digits (in Just Math) Rating: 5.00
Posted on 2012-05-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sorta pythagoric...(2) (in Just Math)
Posted on 2012-05-26 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Irrational to Rational (in Just Math)
Posted on 2012-06-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Timely determination II (in Just Math)
Posted on 2012-07-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Not sexy! (in Just Math)
Posted on 2011-12-13 by Math Man (Solution Posted, 1 Comments)
Difficulty: 3 of 5Linear and Quadratic Square (in Just Math) Rating: 5.00
Posted on 2015-03-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5997 ways (in Just Math)
Posted on 2014-06-14 by broll (Solution Posted, 3 Comments)
Difficulty: 2 of 5Some Squares Sum Square (in Just Math) Rating: 5.00
Posted on 2012-07-30 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Dollars and Cents (in Just Math) Rating: 5.00
Posted on 2012-08-13 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Continued Fraction Satisfaction (in Just Math) Rating: 5.00
Posted on 2014-10-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Yankee dollar (in Just Math)
Posted on 2014-06-06 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Floor Sum Formulation (in Just Math)
Posted on 2014-10-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consecutive Conclusion (in Just Math) Rating: 3.67
Posted on 2014-09-30 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 2 of 5A simple power (in Just Math)
Posted on 2014-06-13 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 52+2=4 is true (in Just Math)
Posted on 2014-06-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mod 3 alphametics (in Just Math)
Posted on 2014-04-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Mean = median (in Just Math)
Posted on 2014-02-20 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5More mean median mode (in Just Math)
Posted on 2014-02-21 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5How many 2010s? (in Just Math) Rating: 5.00
Posted on 2014-09-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Identical Digit Baffle (in Just Math) Rating: 5.00
Posted on 2014-09-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Distinct Value Deduction (in Just Math) Rating: 5.00
Posted on 2014-09-14 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Quaint Quadruplets (in Just Math) Rating: 5.00
Posted on 2014-08-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pandigital Ponder II (in Just Math) Rating: 5.00
Posted on 2014-08-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Polynomial Ponder II (in Just Math) Rating: 4.50
Posted on 2014-08-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triangular Triangulation (in Just Math) Rating: 5.00
Posted on 2014-08-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Distinct Products (in Just Math)
Posted on 2014-08-28 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Sparse Sine Settlement (in Just Math) Rating: 5.00
Posted on 2014-09-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Distinct Delivery Deduction (in Just Math) Rating: 5.00
Posted on 2014-09-04 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 52015 digits (in Just Math) Rating: 5.00
Posted on 2014-09-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rooted to the Floor II (in Just Math) Rating: 5.00
Posted on 2014-09-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Safe Crack II (in Just Math)
Posted on 2014-06-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Inverse Square Sum (in Just Math) Rating: 1.00
Posted on 2014-05-28 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Fuel Feat (in Just Math)
Posted on 2014-06-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Arithmetic Grid (in Just Math) Rating: 5.00
Posted on 2014-05-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Digit Trial (in Just Math)
Posted on 2014-06-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum Settlement (in Just Math)
Posted on 2014-06-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Ninety-Nine Nuance (in Just Math) Rating: 4.00
Posted on 2014-06-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three Product Tease (in Just Math) Rating: 5.00
Posted on 2014-06-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Diagram Dilemma (in Just Math) Rating: 3.00
Posted on 2014-06-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Minimum Value Muse (in Just Math)
Posted on 2014-06-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Marble Muse (in Just Math) Rating: 4.50
Posted on 2014-06-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Six Term Settlement (in Just Math) Rating: 4.00
Posted on 2014-06-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Safe Crack III (in Just Math) Rating: 3.00
Posted on 2014-07-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Floor Prime? (in Just Math)
Posted on 2014-06-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The Matchstick Man Strikes Back (in Just Math)
Posted on 2012-03-07 by broll (Solution Posted, 5 Comments)
Difficulty: 3 of 5SUMUS (in Just Math)
Posted on 2012-04-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fifth power factor (in Just Math) Rating: 5.00
Posted on 2012-08-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Complex Conclusion (in Just Math) Rating: 5.00
Posted on 2012-08-29 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Positively Real (in Just Math) Rating: 5.00
Posted on 2012-09-09 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A productive s.o.d. (in Just Math)
Posted on 2012-09-19 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Stopping for lunch II (in Just Math)
Posted on 2012-09-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Palindrome ponder (in Just Math) Rating: 3.00
Posted on 2012-09-23 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Extremum Expressions (in Just Math) Rating: 3.50
Posted on 2012-10-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Store Survey (in Just Math) Rating: 5.00
Posted on 2012-10-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quaint Quintic Question (in Just Math) Rating: 3.33
Posted on 2012-10-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Special Numbers II (in Just Math)
Posted on 2012-10-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Simultaneous Satisfaction (in Just Math) Rating: 5.00
Posted on 2014-09-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cubic Minimum (in Just Math)
Posted on 2014-09-26 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Mary, Mary, Quite Orderly (in Just Math) Rating: 5.00
Posted on 2014-09-24 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Rational Rubric (in Just Math) Rating: 4.50
Posted on 2015-03-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Result Rumination (in Just Math) Rating: 5.00
Posted on 2014-09-28 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Inverse Power Pact (in Just Math) Rating: 4.00
Posted on 2014-10-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Gossip (in Just Math) Rating: 4.50
Posted on 2012-07-26 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Equality for all (in Just Math) Rating: 3.67
Posted on 2012-07-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The lowest sums (in Just Math)
Posted on 2012-08-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rectangle Color Rigor (in Just Math) Rating: 3.00
Posted on 2014-09-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Palindrome Ponder (in Just Math)
Posted on 2014-08-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fraction Sum Satisfaction (in Just Math) Rating: 5.00
Posted on 2014-08-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Identity Satisfaction (in Just Math)
Posted on 2014-08-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unknown Power Ponder (in Just Math) Rating: 5.00
Posted on 2014-08-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Unity Utility (in Just Math) Rating: 2.00
Posted on 2014-08-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pandigital Ponder (in Just Math)
Posted on 2014-08-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Some Triangles Sum 2014 (in Just Math)
Posted on 2014-08-12 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Quadruplet Query (in Just Math) Rating: 4.00
Posted on 2014-08-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Smarandache Settlement (in Just Math) Rating: 3.00
Posted on 2014-06-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Arctan Appraisal (in Just Math) Rating: 5.00
Posted on 2014-07-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Floor and Fraction Formulation (in Just Math) Rating: 5.00
Posted on 2014-07-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Mean Muse II (in Just Math) Rating: 5.00
Posted on 2014-07-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum Power Digit Determination (in Just Math) Rating: 5.00
Posted on 2014-07-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Vertex Coloring Conclusion (in Just Math) Rating: 5.00
Posted on 2014-07-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Reverse Rigor II (in Just Math) Rating: 5.00
Posted on 2014-07-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Orange Outlook (in Just Math)
Posted on 2014-07-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Testy Triplet Treat II (in Just Math) Rating: 5.00
Posted on 2014-07-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Choose-Product Conclusion (in Just Math) Rating: 5.00
Posted on 2014-07-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Isolated Number Illation (in Just Math) Rating: 5.00
Posted on 2014-07-31 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Coefficient Conclusion (in Just Math) Rating: 5.00
Posted on 2014-08-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sixes and Sevens (in Just Math) Rating: 5.00
Posted on 2014-08-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Log Divisor Sum (in Just Math) Rating: 4.00
Posted on 2014-08-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Ratio Resolution II (in Just Math) Rating: 4.00
Posted on 2012-11-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Twelve Period Tease (in Just Math) Rating: 5.00
Posted on 2012-11-30 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 1 of 5Neighboring strangers (in Just Math)
Posted on 2012-09-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5My Age (in Just Math) Rating: 5.00
Posted on 2012-09-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prove it, please (in Just Math) Rating: 5.00
Posted on 2012-10-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Pythagorean piglet (in Just Math)
Posted on 2012-09-22 by broll (Solution Posted, 4 Comments)
Difficulty: 4 of 5P/Q (in Just Math) Rating: 4.00
Posted on 2012-10-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Five Fives Fancy Formula (in Just Math)
Posted on 2012-12-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Dollars and Cents II (in Just Math) Rating: 4.00
Posted on 2012-12-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Rooting for Three Roots (in Just Math) Rating: 4.00
Posted on 2012-12-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Ages II (in Just Math) Rating: 4.00
Posted on 2012-12-27 by K Sengupta (Solution Posted, 73 Comments)
Difficulty: 3 of 5xoF = (nx)oC (in Just Math) Rating: 3.00
Posted on 2012-12-31 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Divisible by 2009 (in Just Math)
Posted on 2013-01-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Point to 2013 (in Just Math) Rating: 5.00
Posted on 2013-01-09 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5Away from home (in Just Math) Rating: 5.00
Posted on 2012-10-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5From Poland with love (in Just Math)
Posted on 2012-12-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 55 partitions (in Just Math) Rating: 3.00
Posted on 2012-11-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Getting closer (in Just Math) Rating: 4.50
Posted on 2012-11-25 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 53 cubes? - not always (in Just Math)
Posted on 2012-11-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Why prime remainder? (in Just Math)
Posted on 2012-12-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5No integer solutions (in Just Math) Rating: 3.00
Posted on 2012-12-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Some basic Maths (in Just Math)
Posted on 2013-01-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum of real Roots (in Just Math)
Posted on 2013-01-27 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Last three digits (in Just Math) Rating: 2.00
Posted on 2013-01-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Monstrous prime? (in Just Math) Rating: 2.67
Posted on 2012-10-29 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Vampire numbers (in Just Math) Rating: 4.67
Posted on 2012-10-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Modular mathematics (in Just Math) Rating: 4.00
Posted on 2012-12-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Fifth powers (in Just Math)
Posted on 2013-01-06 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Thirteenth power (in Just Math)
Posted on 2013-01-12 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 5 of 5Equal digit sum (in Just Math)
Posted on 2012-11-22 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Shiny Numbers (in Just Math)
Posted on 2013-06-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Prime pentagon (in Just Math)
Posted on 2012-11-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Divisible by 3. (in Just Math) Rating: 3.00
Posted on 2012-12-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Find the triplets (in Just Math) Rating: 1.00
Posted on 2012-12-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Products of digits. (in Just Math)
Posted on 2012-12-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Possibilities of a (in Just Math) Rating: 3.00
Posted on 2012-12-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ones and Nines (in Just Math)
Posted on 2012-12-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Lovely Fibonacci (in Just Math)
Posted on 2013-05-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Jumbo Digits (in Just Math)
Posted on 2013-06-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Squaring the triangle (in Just Math)
Posted on 2013-01-07 by broll (Solution Posted, 7 Comments)
Difficulty: 3 of 5Inequality in sums of digits (in Just Math)
Posted on 2012-12-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Not a Prime (in Just Math) Rating: 3.00
Posted on 2012-12-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 1 of 5n+1,n+11,n+111 (in Just Math) Rating: 2.25
Posted on 2012-12-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Twins I (in Just Math)
Posted on 2013-01-20 by broll (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Respectively Divisible (in Just Math) Rating: 4.00
Posted on 2013-02-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Celsius = 1/Fahrenheit (in Just Math)
Posted on 2013-02-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Composite Contemplation (in Just Math)
Posted on 2013-02-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Reasonable Root ? (in Just Math)
Posted on 2013-02-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Point to 2013 (2) (in Just Math) Rating: 5.00
Posted on 2013-02-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Temperature Temperament (in Just Math) Rating: 3.50
Posted on 2013-03-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Rational Rigor II (in Just Math)
Posted on 2013-03-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Consecutively Divisible (in Just Math)
Posted on 2013-03-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Egyptian Number (in Just Math) Rating: 2.33
Posted on 2013-02-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Divisibility rule (in Just Math) Rating: 3.00
Posted on 2013-02-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Primed to Square (in Just Math) Rating: 4.00
Posted on 2013-02-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Purely prime (in Just Math) Rating: 5.00
Posted on 2013-02-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Powered Pair (in Just Math)
Posted on 2013-04-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prime Mean (in Just Math) Rating: 4.25
Posted on 2013-04-17 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 4 of 5Power Remainder III (in Just Math) Rating: 2.50
Posted on 2013-04-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Tower Travail (in Just Math)
Posted on 2013-05-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Strange Equation (in Just Math)
Posted on 2013-03-11 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Elegantly Greedy Pirates (in Just Math) Rating: 3.00
Posted on 2013-04-20 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Primary Problem 2 (in Just Math) Rating: 5.00
Posted on 2012-12-09 by Math Man (Solution Posted, 4 Comments)
Difficulty: 3 of 5It is simpler than you think (in Just Math)
Posted on 2013-05-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Time for T with U (in Just Math)
Posted on 2014-01-19 by broll (Solution Posted, 0 Comments)
Difficulty: 3 of 52012 sum Digit (in Just Math)
Posted on 2013-04-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Seven Primes (in Just Math)
Posted on 2013-04-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Dark Divisibility (in Just Math) Rating: 3.75
Posted on 2013-04-27 by Danish Ahmed Khan (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Time for some Prime (in Just Math)
Posted on 2013-05-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Positive Integer, Odd Digits, Divisibility (in Just Math) Rating: 3.67
Posted on 2013-05-12 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Diophantine Equation (in Just Math)
Posted on 2013-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Adjacent Square Sum (in Just Math)
Posted on 2013-05-20 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Productive Numbers (in Just Math)
Posted on 2013-05-26 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Integer Pairs (in Just Math)
Posted on 2013-05-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Five Mileposts (in Just Math) Rating: 3.00
Posted on 2013-05-31 by K Sengupta (Solution Posted, 26 Comments)
Difficulty: 4 of 5Cubic Equation (in Just Math)
Posted on 2013-06-09 by K Sengupta (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Divisibility and Digit Sum (in Just Math)
Posted on 2013-06-07 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Adjacent Square Sum II (in Just Math)
Posted on 2013-06-10 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Mister Digit Face (in Just Math)
Posted on 2013-06-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Bricklayers (in Just Math) Rating: 5.00
Posted on 2013-06-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Simple expression but difficult answer (in Just Math)
Posted on 2013-05-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5UVWXYZ (in Just Math)
Posted on 2013-05-27 by Danish Ahmed Khan (No Solution Yet, 12 Comments)
Difficulty: 3 of 5A Black and White Issue (in Just Math) Rating: 1.00
Posted on 2013-06-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5What's the ... (in Just Math)
Posted on 2013-06-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Exp=log (in Just Math)
Posted on 2012-12-12 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Reverse Rigor (in Just Math)
Posted on 2014-04-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Below 5K (in Just Math)
Posted on 2013-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A cancellation fallacy (in Just Math)
Posted on 2013-01-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arrangements count (in Just Math)
Posted on 2013-01-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5PRIMY inequality (in Just Math)
Posted on 2013-06-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubing the square (in Just Math) Rating: 5.00
Posted on 2013-01-30 by broll (Solution Posted, 8 Comments)
Difficulty: 3 of 5An age conversation (in Just Math)
Posted on 2013-01-22 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Inequality challenged (in Just Math)
Posted on 2013-03-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Extra Egyptians (in Just Math)
Posted on 2013-02-14 by broll (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quarting the cube (in Just Math) Rating: 5.00
Posted on 2013-02-28 by broll (Solution Posted, 6 Comments)
Difficulty: 3 of 5Arrange the Digits (in Just Math)
Posted on 2013-06-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Table Tennis Serve (in Just Math)
Posted on 2013-07-17 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5How many trains? (in Just Math) Rating: 4.00
Posted on 2013-07-12 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Unique Value (in Just Math) Rating: 2.00
Posted on 2013-07-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reciprocal Equation #4 (in Just Math) Rating: 5.00
Posted on 2013-07-20 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Locker Unlock (in Just Math)
Posted on 2013-07-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Pocket Change (in Just Math) Rating: 5.00
Posted on 2013-07-30 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Trigonometry Nest III (in Just Math)
Posted on 2013-07-28 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Mission impossible (in Just Math) Rating: 4.00
Posted on 2013-04-03 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5D is harder than C (in Just Math) Rating: 4.67
Posted on 2013-03-29 by Ady TZIDON (Solution Posted, 11 Comments)
Difficulty: 2 of 5irreducible? (in Just Math)
Posted on 2013-03-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5The sum = the product (in Just Math)
Posted on 2013-04-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bonjour, Pascal ! (in Just Math) Rating: 4.00
Posted on 2013-04-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Parabolic discovery (in Just Math)
Posted on 2013-03-25 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Near Pythagoras (in Just Math) Rating: 5.00
Posted on 2013-07-31 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Broken Calculator II (in Just Math)
Posted on 2013-07-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Testy Triplet Treat (in Just Math)
Posted on 2013-08-04 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Root sum or integer? (in Just Math)
Posted on 2013-08-18 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Decimal Digit Determination (in Just Math)
Posted on 2013-08-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5How many children? (in Just Math) Rating: 2.00
Posted on 2013-09-02 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Two cars, three towns (in Just Math) Rating: 2.00
Posted on 2013-10-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Close neighbours (in Just Math)
Posted on 2013-04-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Maximizing the ratio (in Just Math) Rating: 2.00
Posted on 2013-04-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Compare two problems (in Just Math)
Posted on 2013-05-20 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sine gives pi? (in Just Math) Rating: 2.00
Posted on 2013-04-02 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rationally Integers II (in Just Math) Rating: 5.00
Posted on 2013-12-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Array Arrangement (in Just Math)
Posted on 2013-12-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Expression Ratio (in Just Math) Rating: 5.00
Posted on 2013-09-03 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Supreme Value Validation (in Just Math) Rating: 5.00
Posted on 2013-09-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Score Degree Deduction (in Just Math)
Posted on 2013-09-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Connnected Construction (in Just Math)
Posted on 2013-09-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Subscript Substitution (in Just Math)
Posted on 2013-09-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Nominal Expression Sum (in Just Math)
Posted on 2013-09-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Minimum perimeter length (2) (in Just Math) Rating: 5.00
Posted on 2013-09-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Perfectly Differentiated (in Just Math)
Posted on 2013-09-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rooted to the Floor (in Just Math) Rating: 5.00
Posted on 2013-09-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Simultaneous Settlement II (in Just Math) Rating: 5.00
Posted on 2013-09-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Imperfectly Cubed (in Just Math)
Posted on 2013-09-29 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Repunit Rigor II (in Just Math) Rating: 5.00
Posted on 2013-10-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5GCD to product (in Just Math)
Posted on 2013-10-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Feisty Fifty-six (in Just Math) Rating: 5.00
Posted on 2013-10-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Consecutive Base Baffle (in Just Math)
Posted on 2013-12-04 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Only One, One, One II (in Just Math) Rating: 2.33
Posted on 2013-12-08 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Three in, one out (in Just Math) Rating: 3.50
Posted on 2013-04-29 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Casting Out Zeros (in Just Math)
Posted on 2013-07-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Drinking Dwarfs (in Just Math)
Posted on 2013-10-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Pleasurable Puzzle (in Just Math)
Posted on 2013-07-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5The Last Two Digits (in Just Math) Rating: 4.00
Posted on 2013-09-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The cunning Condition (in Just Math)
Posted on 2013-08-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5The Broken Cash Register (in Just Math)
Posted on 2013-08-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisible By 2475 (in Just Math)
Posted on 2013-12-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Simultaneous Settlement III (in Just Math) Rating: 5.00
Posted on 2013-12-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Race Resolution (in Just Math) Rating: 2.00
Posted on 2013-10-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Milestone Muse (in Just Math) Rating: 5.00
Posted on 2013-10-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Divisor Sum Digits (in Just Math)
Posted on 2013-10-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5LCM by pairs (in Just Math)
Posted on 2013-10-14 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Reciprocal Equation #5 (in Just Math) Rating: 5.00
Posted on 2013-10-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Minimum Sum Muse (in Just Math) Rating: 2.00
Posted on 2013-10-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quaint Quintic Question II (in Just Math) Rating: 3.00
Posted on 2013-10-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Oddly Powered (in Just Math) Rating: 4.00
Posted on 2013-10-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Forty-five Product (in Just Math)
Posted on 2013-10-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Perfect Prime Provision? (in Just Math) Rating: 4.50
Posted on 2013-10-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Settlement IV (in Just Math) Rating: 5.00
Posted on 2014-03-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic Quandary (in Just Math)
Posted on 2013-11-04 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Cubic Impression (in Just Math) Rating: 5.00
Posted on 2013-11-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Some Powers Sum 2008 (in Just Math) Rating: 5.00
Posted on 2013-11-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Perfectly Harmonic (in Just Math) Rating: 5.00
Posted on 2013-11-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Digital Dilemma (in Just Math)
Posted on 2013-11-15 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Add 1, Get Geometric (in Just Math) Rating: 5.00
Posted on 2013-11-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Hexagonal Palindrome (in Just Math)
Posted on 2013-11-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Circles Around a Circle (in Just Math)
Posted on 2013-08-07 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Just prove it (in Just Math)
Posted on 2013-10-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Great (in Just Math)
Posted on 2013-09-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Wet Rain (in Just Math)
Posted on 2013-05-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Fifthing the quart (in Just Math)
Posted on 2013-04-28 by broll (Solution Posted, 2 Comments)
Difficulty: 2 of 5Pythagorean triangle (in Just Math)
Posted on 2014-03-10 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Find that decade (in Just Math) Rating: 5.00
Posted on 2014-01-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Some Powers Sum Square II (in Just Math)
Posted on 2013-12-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Seven Multiple Muse II (in Just Math)
Posted on 2014-01-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5What did I miss? (in Just Math)
Posted on 2014-02-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seven Multiple Muse (in Just Math)
Posted on 2013-12-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Going Maximum With Harmonic (in Just Math) Rating: 5.00
Posted on 2013-12-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Supreme Subset (in Just Math)
Posted on 2014-01-02 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Primed and Perfect (in Just Math)
Posted on 2014-01-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Palindromic and p-gonal (in Just Math)
Posted on 2014-01-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Factorial Difference Digits (in Just Math) Rating: 5.00
Posted on 2014-01-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Real Resolution (in Just Math) Rating: 3.50
Posted on 2014-01-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some Squares Sum Year (in Just Math)
Posted on 2014-01-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A G E S III (in Just Math) Rating: 2.50
Posted on 2013-06-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Changing form (in Just Math)
Posted on 2013-06-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Smallest Integer Determination (in Just Math) Rating: 5.00
Posted on 2014-02-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Z for Zero, X for siX (in Just Math)
Posted on 2013-08-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Misleading data (in Just Math)
Posted on 2013-06-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5 Euler erred (in Just Math)
Posted on 2013-06-25 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Just asking (in Just Math)
Posted on 2013-07-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5S.o.d. classification (in Just Math)
Posted on 2013-07-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Smallinomial (in Just Math)
Posted on 2013-09-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Alphametic Base Baffle (in Just Math) Rating: 5.00
Posted on 2014-02-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Will Wangle (in Just Math)
Posted on 2014-02-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5lcm reflection (in Just Math) Rating: 5.00
Posted on 2014-02-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Tetrahedral Dice (in Just Math)
Posted on 2013-07-22 by broll (Solution Posted, 1 Comments)
Difficulty: 3 of 5Forcing a Polynomial Factor (in Just Math) Rating: 4.00
Posted on 2013-08-03 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Lucas squares (in Just Math)
Posted on 2013-12-15 by broll (Solution Posted, 6 Comments)
Difficulty: 3 of 5Two ways (in Just Math) Rating: 3.67
Posted on 2013-10-31 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sums of sixth powers I (in Just Math)
Posted on 2013-10-13 by broll (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Ring of Circles (in Just Math) Rating: 4.00
Posted on 2013-08-17 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Absolutely Greatest II (in Just Math) Rating: 3.00
Posted on 2014-02-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Absolute Value Muse (in Just Math) Rating: 4.00
Posted on 2014-02-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Naturally Geometric (in Just Math)
Posted on 2014-02-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Minimum Integer (in Just Math)
Posted on 2014-02-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Formula Formulation (in Just Math)
Posted on 2014-03-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Prime Equation (in Just Math)
Posted on 2014-03-12 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Some Powers Sum Power (in Just Math)
Posted on 2014-03-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Bridge Baffle (in Just Math)
Posted on 2014-03-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Last Digit II (in Just Math) Rating: 5.00
Posted on 2014-03-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Safe Crack (in Just Math) Rating: 4.00
Posted on 2014-03-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Powering (in Just Math)
Posted on 2013-10-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Quintic Expression (in Just Math) Rating: 4.00
Posted on 2013-10-09 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Testing Three Students (in Just Math) Rating: 4.00
Posted on 2013-11-20 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Madam Marathon (in Just Math) Rating: 2.00
Posted on 2013-12-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Primes square (in Just Math) Rating: 3.00
Posted on 2014-02-07 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unitary perfect numbers (in Just Math) Rating: 5.00
Posted on 2013-12-16 by Math Man (Solution Posted, 10 Comments)
Difficulty: 4 of 5Ternary train (in Just Math)
Posted on 2014-03-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pasture Puzzles (in Just Math)
Posted on 2013-11-01 by broll (Solution Posted, 10 Comments)
Difficulty: 3 of 5Sum Divisibility Dilemma (in Just Math)
Posted on 2014-03-18 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Factorial-Square Sum (in Just Math) Rating: 5.00
Posted on 2014-03-23 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Same Six Digits (in Just Math) Rating: 5.00
Posted on 2014-03-26 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Divisible by 27? (in Just Math)
Posted on 2014-03-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Lets Concatenate (in Just Math)
Posted on 2014-01-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Passing On A Track (in Just Math) Rating: 3.00
Posted on 2014-01-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5N & n (in Just Math)
Posted on 2014-01-27 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5An after-dinner enigma (in Just Math)
Posted on 2014-02-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reciprocal composition is reciprocal. (in Just Math)
Posted on 2014-02-08 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Constant Ratio (in Just Math) Rating: 4.00
Posted on 2013-12-17 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Penta-Quadratic (in Just Math) Rating: 4.00
Posted on 2014-02-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Positively Palindromic (in Just Math) Rating: 5.00
Posted on 2014-04-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Consecutive Trio (in Just Math) Rating: 5.00
Posted on 2014-04-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Integer Divisibility Dilemma (in Just Math) Rating: 4.50
Posted on 2014-04-10 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Geometric Sequence Settlement II (in Just Math) Rating: 3.00
Posted on 2014-04-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mean Muse (in Just Math) Rating: 5.00
Posted on 2014-04-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 55 Digit Number III (in Just Math) Rating: 5.00
Posted on 2014-04-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Odd and Even (in Just Math)
Posted on 2014-04-23 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Egg Exertion (in Just Math) Rating: 5.00
Posted on 2014-04-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Entertain Every Value? (in Just Math) Rating: 5.00
Posted on 2014-04-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Digital Prime (in Just Math) Rating: 5.00
Posted on 2014-05-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Powerful Divisor (in Just Math) Rating: 5.00
Posted on 2014-05-01 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Three Digit Trial (in Just Math) Rating: 5.00
Posted on 2014-05-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Repdigit Rigor (in Just Math)
Posted on 2014-05-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Array Assignment (in Just Math)
Posted on 2014-05-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Integer Divisibility Dilemma II (in Just Math) Rating: 3.00
Posted on 2014-05-22 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Harmonic Sequence Settlement (in Just Math)
Posted on 2014-05-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Representation Initiation (in Just Math) Rating: 5.00
Posted on 2014-05-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Money Division Muse (in Just Math) Rating: 4.50
Posted on 2014-05-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Eight Embodiment (in Just Math) Rating: 4.00
Posted on 2014-05-25 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Simultaneous Base Baffle (in Just Math) Rating: 4.50
Posted on 2014-09-17 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5n-dimensional spheres (in Just Math)
Posted on 2014-09-15 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Extending tic-tac-toe (in Just Math)
Posted on 2014-10-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Analyzing change (in Just Math) Rating: 3.00
Posted on 2014-10-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pie Pieces (in Just Math) Rating: 5.00
Posted on 2014-12-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Region Area Ascertainment (in Just Math) Rating: 4.00
Posted on 2014-12-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Austria or Italy ? (in Just Math)
Posted on 2014-11-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Chairs galore (in Just Math)
Posted on 2014-10-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Binomial Baffle (in Just Math) Rating: 4.00
Posted on 2014-12-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Angle Ascertainment (in Just Math)
Posted on 2015-01-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum Productive Digits (in Just Math) Rating: 5.00
Posted on 2014-12-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum and Difference (in Just Math) Rating: 5.00
Posted on 2015-01-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Same Count, Same Sum (in Just Math) Rating: 5.00
Posted on 2015-01-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Integer Divisor Illation (in Just Math) Rating: 5.00
Posted on 2015-01-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Missions impossible (in Just Math)
Posted on 2014-11-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Units Digit Determination (in Just Math) Rating: 4.00
Posted on 2015-01-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Find the remainder (in Just Math) Rating: 5.00
Posted on 2015-01-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Celsius Fahrenheit Check (in Just Math) Rating: 5.00
Posted on 2015-01-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Square Sum Settlement (in Just Math) Rating: 5.00
Posted on 2015-01-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Squares and Rectangles II (in Just Math) Rating: 5.00
Posted on 2015-01-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Square Digit Sum Surmise (in Just Math) Rating: 4.00
Posted on 2015-01-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Power Expression, Prime? (in Just Math) Rating: 3.00
Posted on 2015-01-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Deux Digit Deduction (in Just Math) Rating: 5.00
Posted on 2015-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find From Floor (in Just Math) Rating: 5.00
Posted on 2015-01-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5More than a million, less than ten (in Just Math)
Posted on 2015-01-06 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Bivariate Quadratic Puzzle (in Just Math) Rating: 3.00
Posted on 2015-06-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum Root Concern (in Just Math) Rating: 3.00
Posted on 2015-03-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Missing Digit II (in Just Math) Rating: 5.00
Posted on 2015-03-10 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Deux Digit Deduction II (in Just Math) Rating: 5.00
Posted on 2015-03-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Real Value Validation (in Just Math)
Posted on 2015-02-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rooting for Roots (in Just Math) Rating: 5.00
Posted on 2015-02-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Octic Sum Settlement (in Just Math) Rating: 4.50
Posted on 2015-02-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Integer Identification (in Just Math) Rating: 4.00
Posted on 2015-02-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cubic Difference Conclusion (in Just Math) Rating: 4.50
Posted on 2015-02-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Integer Polynomial Illation (in Just Math) Rating: 5.00
Posted on 2015-02-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Nine times SSD (in Just Math)
Posted on 2015-03-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Solution Decision (in Just Math)
Posted on 2015-03-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Power Equality Poser (in Just Math) Rating: 4.00
Posted on 2015-03-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Just a tiny addition (in Just Math)
Posted on 2014-11-18 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Integer Count Illation (in Just Math) Rating: 5.00
Posted on 2015-10-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Consecutive Deletion (in Just Math) Rating: 5.00
Posted on 2015-04-22 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Divisor Determination (in Just Math)
Posted on 2015-04-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisor Count Conclusion (in Just Math) Rating: 5.00
Posted on 2015-03-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Unity Root Count (in Just Math) Rating: 5.00
Posted on 2015-03-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Root sum equals integer (in Just Math)
Posted on 2015-03-10 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Optimal location (in Just Math)
Posted on 2014-10-10 by Art M (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Log Inequality Illation (in Just Math) Rating: 5.00
Posted on 2015-03-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Find From Four (in Just Math) Rating: 5.00
Posted on 2015-03-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Coefficient Determination (in Just Math)
Posted on 2015-10-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Zero Sum Expression (in Just Math) Rating: 5.00
Posted on 2015-03-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A symmetric relation (in Just Math) Rating: 4.00
Posted on 2014-11-19 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Going North-East (in Just Math)
Posted on 2014-12-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Non-empty sets element count (in Just Math) Rating: 5.00
Posted on 2015-04-13 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Geometric Rubric (in Just Math) Rating: 5.00
Posted on 2015-04-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cubic Sum Settlement (in Just Math) Rating: 5.00
Posted on 2015-04-05 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Number Count Conclusion (in Just Math) Rating: 4.00
Posted on 2015-04-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quadratic Query (in Just Math) Rating: 5.00
Posted on 2015-04-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Three conditions define a triplet (in Just Math)
Posted on 2015-01-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Eight distances (in Just Math) Rating: 4.00
Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5The medians of medians (in Just Math) Rating: 4.00
Posted on 2014-12-20 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Solve in integers (in Just Math)
Posted on 2014-12-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Marked squares (in Just Math)
Posted on 2014-12-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5m & n (in Just Math)
Posted on 2014-12-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Compare sizes (in Just Math)
Posted on 2014-12-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5 Observe and prove (in Just Math)
Posted on 2015-01-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 54d divides 5d (in Just Math) Rating: 5.00
Posted on 2014-12-26 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5A simple inequality (in Just Math)
Posted on 2014-12-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Neither is prime (in Just Math) Rating: 3.00
Posted on 2014-12-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 525k if beheaded (in Just Math) Rating: 3.00
Posted on 2015-01-01 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Dates data distribution (in Just Math)
Posted on 2015-01-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5T times T creates another T?? (in Just Math) Rating: 4.00
Posted on 2015-01-11 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5M-D Sequences (in Just Math)
Posted on 2014-11-09 by Bractals (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Cows and buffaloes. (in Just Math) Rating: 3.00
Posted on 2015-01-07 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Searching for c among the cubes (in Just Math)
Posted on 2014-11-23 by broll (Solution Posted, 0 Comments)
Difficulty: 4 of 5Possible or not? (in Just Math) Rating: 4.00
Posted on 2015-01-17 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Spacy Colors Lemma (in Just Math)
Posted on 2014-12-06 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5So close, but no closer... (in Just Math) Rating: 3.00
Posted on 2014-12-04 by broll (Solution Posted, 5 Comments)
Difficulty: 3 of 5Relationship Satisfaction Settlement (in Just Math) Rating: 5.00
Posted on 2015-05-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Trigo inequality (in Just Math)
Posted on 2014-12-11 by Danish Ahmed Khan (No Solution Yet, 20 Comments)
Difficulty: 3 of 5LCM 540 (in Just Math)
Posted on 2014-12-22 by Charlie (Solution Posted, 10 Comments)
Difficulty: 3 of 5Cube root sum equality puzzle (in Just Math)
Posted on 2015-06-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Functions Determination (in Just Math) Rating: 4.50
Posted on 2015-05-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Positive Pair Poser (in Just Math) Rating: 4.00
Posted on 2015-05-09 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Sum Root Sum Settlement (in Just Math) Rating: 5.00
Posted on 2015-05-10 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Rational Square Sum (in Just Math) Rating: 5.00
Posted on 2015-05-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Product Divides Sum? (in Just Math) Rating: 5.00
Posted on 2015-05-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Minding mines. (in Just Math)
Posted on 2015-02-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Positive Pair Poser 2 (in Just Math) Rating: 5.00
Posted on 2015-05-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Real System Resolution (in Just Math) Rating: 5.00
Posted on 2015-05-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Near Fermat Formulation (in Just Math) Rating: 5.00
Posted on 2015-05-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Possibility of restoring (in Just Math) Rating: 3.00
Posted on 2015-02-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An ancient Egyptian problem (in Just Math)
Posted on 2015-02-13 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Perfect Power Puzzle (in Just Math) Rating: 5.00
Posted on 2015-07-29 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Real Number Resolution (in Just Math)
Posted on 2015-08-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Linear and Quadratic Sum Puzzle (in Just Math) Rating: 5.00
Posted on 2015-07-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sextic Settlement (in Just Math) Rating: 4.00
Posted on 2015-05-13 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Proper Power Poser (in Just Math) Rating: 5.00
Posted on 2015-05-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 53 squares and 5 ways puzzle (in Just Math) Rating: 5.00
Posted on 2015-05-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5All possible polynomials puzzle (in Just Math) Rating: 4.50
Posted on 2015-05-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rational Floor Query (in Just Math) Rating: 5.00
Posted on 2015-06-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Three Quotients and Integer Puzzle (in Just Math) Rating: 4.50
Posted on 2015-06-03 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quadratic and Sextic (in Just Math)
Posted on 2015-06-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Number and Factorial Product Puzzle (in Just Math) Rating: 2.00
Posted on 2015-06-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Septic Factorization (in Just Math) Rating: 4.00
Posted on 2015-06-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Expression Quotient Puzzle (in Just Math)
Posted on 2015-06-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5All possible integer determination (in Just Math) Rating: 5.00
Posted on 2015-06-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Trigo - 24 (in Just Math)
Posted on 2015-01-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Yearly Diophantine Puzzle (in Just Math) Rating: 4.00
Posted on 2015-06-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Harmonic Diophantine Hindrance (in Just Math) Rating: 5.00
Posted on 2015-06-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Linear and Quadratic Puzzle (in Just Math) Rating: 5.00
Posted on 2015-06-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cubic and Factorial Puzzle (in Just Math) Rating: 5.00
Posted on 2015-06-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Which integer was removed? (in Just Math) Rating: 5.00
Posted on 2015-06-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Polynomial Puzzle (in Just Math) Rating: 5.00
Posted on 2015-06-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Final Minus Two (in Just Math)
Posted on 2015-01-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Product and Pair Sum Puzzle (in Just Math) Rating: 4.00
Posted on 2015-06-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5More than linear (in Just Math) Rating: 5.00
Posted on 2015-06-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5How many subsets? (in Just Math) Rating: 5.00
Posted on 2015-06-29 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Simultaneous Pythagorean Poser (in Just Math)
Posted on 2015-07-04 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Distinct Values Determination (in Just Math) Rating: 5.00
Posted on 2015-10-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Inverse Quadratic Sum Puzzle (in Just Math)
Posted on 2015-07-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quartic Sum Determination (in Just Math)
Posted on 2015-07-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Perfect Square Sum - Not (in Just Math)
Posted on 2015-07-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Inequality (in Just Math)
Posted on 2015-02-11 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5No other case (in Just Math)
Posted on 2015-02-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digit sum and digit product equality (in Just Math) Rating: 5.00
Posted on 2015-10-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Non zero product (in Just Math) Rating: 5.00
Posted on 2015-10-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Extreme Sum Settlement (in Just Math)
Posted on 2015-09-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Inverse Expression Exercise (in Just Math) Rating: 5.00
Posted on 2015-07-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Beginning and End (in Just Math) Rating: 4.00
Posted on 2015-07-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Simultaneous Real Settlement (in Just Math) Rating: 5.00
Posted on 2015-07-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Smallest Perfect Cube Puzzle (in Just Math) Rating: 5.00
Posted on 2015-07-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Yearly Division (in Just Math) Rating: 5.00
Posted on 2015-07-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Power Difference Puzzle (in Just Math)
Posted on 2015-07-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digit Reversal Puzzle (in Just Math) Rating: 5.00
Posted on 2015-07-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Odd and Even 2 (in Just Math) Rating: 5.00
Posted on 2015-08-03 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Quadratic and Divisibility Puzzle (in Just Math)
Posted on 2015-08-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Yearly Division 2 (in Just Math)
Posted on 2015-08-06 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 3 of 5Power and Divisibility Puzzle (in Just Math)
Posted on 2015-08-12 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5one 3 or one 7 puzzle (in Just Math) Rating: 5.00
Posted on 2015-08-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Ending in 5 (in Just Math)
Posted on 2015-08-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Positive Perfect Cube Sum (in Just Math)
Posted on 2015-08-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rooting for 2015 (in Just Math) Rating: 5.00
Posted on 2015-08-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Infinite Triplet and Perfect Square (in Just Math) Rating: 3.00
Posted on 2015-08-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Perfect Square Digit (in Just Math) Rating: 5.00
Posted on 2015-08-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Non-perfect Cube Root Sum (in Just Math) Rating: 5.00
Posted on 2015-08-14 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Year and Perfect Square Puzzle (in Just Math) Rating: 5.00
Posted on 2015-08-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Root Difference and Seventeen Puzzle (in Just Math) Rating: 4.00
Posted on 2015-08-29 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Ratio Sum Equals Positive Integer (in Just Math)
Posted on 2015-08-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic and Power Puzzle (in Just Math) Rating: 3.00
Posted on 2015-09-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Simultaneous Pythagorean Poser 2 (in Just Math) Rating: 5.00
Posted on 2015-09-05 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quadratic and Quartic Query (in Just Math) Rating: 4.00
Posted on 2015-09-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5LCM and Equality Puzzle (in Just Math) Rating: 5.00
Posted on 2015-09-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Expression Divides Expression (in Just Math)
Posted on 2015-09-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square Sum and Square Multiple (in Just Math) Rating: 5.00
Posted on 2015-09-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Power and Product Divisibility (in Just Math)
Posted on 2015-09-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Number Difference and Erasure Puzzle (in Just Math) Rating: 4.50
Posted on 2015-09-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Integer Pair and Infinite Puzzle (in Just Math)
Posted on 2015-09-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prime Ratio Possibility (in Just Math) Rating: 5.00
Posted on 2015-09-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Integers and Prime Relationship (in Just Math) Rating: 4.50
Posted on 2015-09-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Expression Product Exercise (in Just Math) Rating: 5.00
Posted on 2015-09-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Triangular and Square Settlement (in Just Math) Rating: 5.00
Posted on 2015-10-13 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 5How many solutions? (in Just Math)
Posted on 2015-03-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Win some, lose some II (in Just Math)
Posted on 2015-03-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 527-8=19 (in Just Math)
Posted on 2015-03-31 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Chacun pense Ă  soi (in Just Math)
Posted on 2015-05-26 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Polynomial problem (in Just Math)
Posted on 2015-03-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pentagon Fraction Minimizing (in Just Math) Rating: 3.50
Posted on 2015-03-16 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Less Than 2015 (in Just Math) Rating: 4.50
Posted on 2015-09-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Positive Integer Pair and Division Puzzle (in Just Math)
Posted on 2015-10-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Infinite Solution Settlement (in Just Math) Rating: 5.00
Posted on 2015-09-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cubic Expression and Perfect Cube (in Just Math) Rating: 3.67
Posted on 2015-10-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Expression and Perfect Square (in Just Math) Rating: 5.00
Posted on 2015-10-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5N as a sum of factorials (in Just Math)
Posted on 2015-04-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Function Finding (in Just Math)
Posted on 2015-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisibility and Twenty Puzzle (in Just Math) Rating: 5.00
Posted on 2015-10-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Function Existence Exercise (in Just Math)
Posted on 2015-10-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5On his way to fitness (in Just Math)
Posted on 2015-06-15 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Reflection Matrix (in Just Math)
Posted on 2015-04-01 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sum Expression Value Determination (in Just Math) Rating: 3.00
Posted on 2015-10-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Oblong Difference Observation (in Just Math) Rating: 4.00
Posted on 2015-10-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Domain and Range (in Just Math)
Posted on 2015-04-02 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tile flipping (in Just Math) Rating: 4.00
Posted on 2015-04-08 by Jer (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Printer's glitch (in Just Math)
Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Sinusoidal System (in Just Math)
Posted on 2015-05-24 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Pieces of eight (in Just Math)
Posted on 2015-07-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Rational or not? (in Just Math) Rating: 5.00
Posted on 2015-05-29 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Irrational Decision (in Just Math) Rating: 5.00
Posted on 2015-11-15 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Palindromes and Divisibility (in Just Math)
Posted on 2015-10-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cube Root Sum Puzzle (in Just Math) Rating: 4.50
Posted on 2015-10-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Nine trolls (in Just Math) Rating: 3.00
Posted on 2015-07-23 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Factorizable Expressions (in Just Math) Rating: 5.00
Posted on 2015-10-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5More ones (in Just Math) Rating: 5.00
Posted on 2015-10-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum Equality and Perfect Square (in Just Math) Rating: 5.00
Posted on 2015-10-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Number Resolution 2 (in Just Math) Rating: 5.00
Posted on 2015-10-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Diophantine Linear and Quadratic (in Just Math) Rating: 4.00
Posted on 2015-11-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5 The golden ratio (in Just Math) Rating: 4.00
Posted on 2015-09-16 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Eight efficient blacksmiths (in Just Math) Rating: 4.00
Posted on 2015-08-13 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5A powerful resemblance. (in Just Math) Rating: 5.00
Posted on 2015-07-12 by broll (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Four factors (in Just Math)
Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Talk to me (in Just Math)
Posted on 2015-09-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Coordinating arrival (in Just Math)
Posted on 2015-09-15 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5xyz inequality (in Just Math)
Posted on 2015-07-24 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Three brothers (in Just Math) Rating: 3.00
Posted on 2015-09-23 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Table's peculiarity (in Just Math)
Posted on 2015-11-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Nine forever (in Just Math) Rating: 4.00
Posted on 2015-09-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cryptajoke X (in Just Math)
Posted on 2015-10-06 by Ady TZIDON (Solution Posted, 0 Comments)
Difficulty: 3 of 5Fly's schedule (in Just Math)
Posted on 2015-10-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Must differ by 3 (in Just Math)
Posted on 2015-10-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Magic matrix (in Just Math)
Posted on 2015-10-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Power and Digit Poser (in Just Math) Rating: 5.00
Posted on 2015-12-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Incredible, but solvable (in Just Math)
Posted on 2015-10-30 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 2 of 5A canonical representation (in Just Math)
Posted on 2015-10-27 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Zero mod 3 (in Just Math)
Posted on 2015-11-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Count the palindromes (in Just Math)
Posted on 2015-11-11 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 510 4 7 10 (in Just Math)
Posted on 2015-11-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Infinitely Diophantine (in Just Math) Rating: 5.00
Posted on 2016-06-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Italiano vero (in Just Math) Rating: 3.00
Posted on 2015-11-16 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Polynomial of degree 3n (in Just Math) Rating: 4.00
Posted on 2016-05-07 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Biggest and smallest (in Just Math)
Posted on 2015-11-24 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Increasing sequences (in Just Math)
Posted on 2015-11-30 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5No Carry Nuance (in Just Math) Rating: 5.00
Posted on 2016-04-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Upgrading procedure (in Just Math)
Posted on 2015-11-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Complex Number Puzzle (in Just Math)
Posted on 2015-11-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic and Cubic Query (in Just Math)
Posted on 2015-11-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Get the right product (in Just Math)
Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 59-letter word III (in Just Math) Rating: 3.50
Posted on 2015-12-11 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Factorial Division (in Just Math)
Posted on 2015-12-04 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Simultaneous Real Satisfaction (in Just Math) Rating: 5.00
Posted on 2015-11-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Simple conclusion (in Just Math) Rating: 3.00
Posted on 2015-12-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5List of pairs (in Just Math)
Posted on 2015-12-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadratic and Quartic Query 2 (in Just Math)
Posted on 2015-11-20 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Positive Integer Value Poser (in Just Math) Rating: 5.00
Posted on 2015-11-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Binary Palindrome Square Magic (in Just Math) Rating: 4.50
Posted on 2015-12-24 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Pair and Power Poser (in Just Math) Rating: 5.00
Posted on 2015-11-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Complex Number and Power Puzzle (in Just Math) Rating: 5.00
Posted on 2015-11-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 51-2-3 Square Settlement (in Just Math) Rating: 5.00
Posted on 2015-11-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5lcm and power poser (in Just Math) Rating: 3.00
Posted on 2015-12-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Two Power Equation Poser (in Just Math) Rating: 5.00
Posted on 2015-12-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Square Sum in Pairs (in Just Math)
Posted on 2016-06-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Four balloons (in Just Math)
Posted on 2016-01-12 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sum Number and Reversal (in Just Math) Rating: 5.00
Posted on 2016-06-24 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Complex Equation Conclusion (in Just Math) Rating: 4.50
Posted on 2015-12-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Four Digit and Two Digit Treat (in Just Math) Rating: 5.00
Posted on 2015-12-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Real Equation Resolution (in Just Math) Rating: 5.00
Posted on 2015-12-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic and Five Variable Query (in Just Math)
Posted on 2015-12-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quintic Power Query (in Just Math) Rating: 5.00
Posted on 2015-12-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Expression and Perfect Square 2 (in Just Math) Rating: 3.00
Posted on 2015-12-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5How many eggs? (in Just Math) Rating: 5.00
Posted on 2015-12-28 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Floor and Square Division Settlement (in Just Math) Rating: 4.00
Posted on 2016-01-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Infinite Illation Decision (in Just Math) Rating: 4.50
Posted on 2015-12-31 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5GCD Relationships (in Just Math)
Posted on 2016-01-12 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Arithmetic Triplet Ascertainment (in Just Math) Rating: 5.00
Posted on 2016-01-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Some questions of abundance (in Just Math)
Posted on 2015-10-28 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Integer Check Conclusion (in Just Math)
Posted on 2016-01-06 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Maximum Value Muse (in Just Math) Rating: 5.00
Posted on 2016-01-14 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Infinite Illation Decision 2 (in Just Math)
Posted on 2016-01-15 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Composite Integer Conclusion (in Just Math) Rating: 5.00
Posted on 2016-01-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5LCM and Combination Conclusion (in Just Math)
Posted on 2016-01-23 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Constant and Ratio Puzzle (in Just Math)
Posted on 2016-01-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Power Verification (in Just Math)
Posted on 2016-01-20 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Binary Palindrome and Near Magic Square (in Just Math) Rating: 5.00
Posted on 2016-01-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Power Expressions and Division (in Just Math) Rating: 5.00
Posted on 2016-02-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Floor Function Query (in Just Math) Rating: 5.00
Posted on 2016-01-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Integer Illation From Divisors (in Just Math) Rating: 5.00
Posted on 2016-01-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5N Nine Nuance (in Just Math) Rating: 5.00
Posted on 2016-01-29 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Find From First and Last (in Just Math) Rating: 5.00
Posted on 2016-02-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Coefficient From Roots (in Just Math) Rating: 5.00
Posted on 2016-02-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Consecutive Numbers and Subset Choice (in Just Math) Rating: 4.00
Posted on 2016-02-09 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Integer Illation From Divisibility (in Just Math) Rating: 5.00
Posted on 2016-02-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rational Sum (in Just Math) Rating: 5.00
Posted on 2016-02-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Area From Even Floor (in Just Math) Rating: 5.00
Posted on 2016-02-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 52017 Term Trial (in Just Math) Rating: 5.00
Posted on 2016-02-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum Root Value (in Just Math) Rating: 5.00
Posted on 2016-03-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Grape Consumption Conclusion (in Just Math) Rating: 3.33
Posted on 2016-03-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum Reals, Get Integer (in Just Math) Rating: 5.00
Posted on 2016-07-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Matrix Product Poser (in Just Math) Rating: 5.00
Posted on 2016-03-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Rational Value Validation (in Just Math)
Posted on 2016-03-20 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 1 of 5Simultaneous Satisfaction III (in Just Math)
Posted on 2016-03-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quadratic and Quintic Query (in Just Math) Rating: 5.00
Posted on 2016-03-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Nonnegative Integer Decision Poser (in Just Math) Rating: 5.00
Posted on 2016-03-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Nonconstant Product (in Just Math) Rating: 5.00
Posted on 2016-04-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Complex Number Query (in Just Math) Rating: 5.00
Posted on 2016-04-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Year Yearn 3 (in Just Math) Rating: 5.00
Posted on 2016-04-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Odd and Even 3 (in Just Math) Rating: 5.00
Posted on 2016-04-04 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Two and only two (in Just Math)
Posted on 2015-11-03 by broll (Solution Posted, 4 Comments)
Difficulty: 2 of 5Tenacious Divisibility Treat (in Just Math) Rating: 5.00
Posted on 2016-04-06 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Square Settlement With Digits (in Just Math) Rating: 5.00
Posted on 2016-04-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Root Product (in Just Math) Rating: 5.00
Posted on 2016-04-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Extreme Palindrome Exercise (in Just Math) Rating: 5.00
Posted on 2016-04-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mean Integer Illation (in Just Math) Rating: 5.00
Posted on 2016-04-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cubic Diophantine Conclusion (in Just Math) Rating: 4.50
Posted on 2016-04-22 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Integer Root Illation (in Just Math) Rating: 5.00
Posted on 2016-04-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Eight Digit Product Poser (in Just Math) Rating: 5.00
Posted on 2016-04-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Constant from Four Solutions (in Just Math) Rating: 5.00
Posted on 2016-04-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic and Perfect Square Query (in Just Math) Rating: 5.00
Posted on 2016-04-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Expression Ratio Resolution (in Just Math) Rating: 4.00
Posted on 2016-05-08 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Base Baffle (in Just Math)
Posted on 2016-05-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cubic and Quadratic Determination (in Just Math) Rating: 5.00
Posted on 2016-05-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5LCM and GCD Equation (in Just Math) Rating: 5.00
Posted on 2016-05-03 by K Sengupta (Solution Posted, 166 Comments)
Difficulty: 3 of 5Binomial Baffle 2 (in Just Math) Rating: 5.00
Posted on 2016-05-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Totient Trial (in Just Math) Rating: 5.00
Posted on 2016-10-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divisible by 198 (in Just Math) Rating: 5.00
Posted on 2016-05-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic and Perfect Square Query II (in Just Math) Rating: 5.00
Posted on 2016-05-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5AABBCCDD and Perfect Square (in Just Math)
Posted on 2016-05-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadratic and Linear (in Just Math)
Posted on 2016-08-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Number From Digit Sum (in Just Math) Rating: 5.00
Posted on 2016-05-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quadruple Digit Sum and Number Puzzle (in Just Math)
Posted on 2016-06-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Divisible by 96? (in Just Math)
Posted on 2016-06-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Log Expression Exercise (in Just Math)
Posted on 2016-05-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 52016 and Simultaneous Settlement (in Just Math) Rating: 4.50
Posted on 2016-05-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Digit Sum Equation Puzzle (in Just Math)
Posted on 2016-05-28 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Duodecimal Element Sum Settlement (in Just Math) Rating: 1.00
Posted on 2016-05-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Power Sum Proposition (in Just Math)
Posted on 2016-06-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real Variable Validation (in Just Math)
Posted on 2016-06-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Duodecimal Digit Product and Number Puzzle (in Just Math)
Posted on 2016-06-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hundred Product Hinder (in Just Math)
Posted on 2016-06-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Digit Finding with Hexadecimal Fibonacci (in Just Math) Rating: 5.00
Posted on 2016-06-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Celsius- A Fahrenheit Multiple? (in Just Math)
Posted on 2016-06-21 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Three Integer Root Sum (in Just Math) Rating: 5.00
Posted on 2016-06-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 52016 and Perfect Square Puzzle (in Just Math) Rating: 5.00
Posted on 2016-06-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Find From Four 2 (in Just Math) Rating: 5.00
Posted on 2016-06-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Square Temperatures (in Just Math) Rating: 3.00
Posted on 2016-06-29 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A Math Problem (in Just Math) Rating: 5.00
Posted on 2015-12-03 by broll (Solution Posted, 6 Comments)
Difficulty: 4 of 5Product equals sum (in Just Math) Rating: 2.00
Posted on 2016-01-17 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Twenty deposits (in Just Math) Rating: 3.00
Posted on 2016-01-04 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Two hexagons (in Just Math)
Posted on 2016-01-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Prime and Twice Square (in Just Math) Rating: 4.00
Posted on 2016-10-22 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Simultaneous Settlement V (in Just Math) Rating: 5.00
Posted on 2016-10-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Lost in the woods (in Just Math) Rating: 5.00
Posted on 2016-01-08 by Jer (Solution Posted, 12 Comments)
Difficulty: 3 of 5Square in Pascal's triangle (in Just Math)
Posted on 2016-02-03 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Fifty-fifty (in Just Math) Rating: 3.00
Posted on 2016-02-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 525 * 1 (in Just Math)
Posted on 2016-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Equal products and sums (in Just Math)
Posted on 2016-02-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5The hundreds' digit (in Just Math)
Posted on 2016-02-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5My four numbers (in Just Math) Rating: 4.33
Posted on 2016-02-24 by Ady TZIDON (Solution Posted, 12 Comments)
Difficulty: 3 of 5Arithmetic Roots (in Just Math) Rating: 4.00
Posted on 2016-03-02 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 2 of 5Find the sum (in Just Math)
Posted on 2016-02-29 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Within the Galaxy (in Just Math) Rating: 3.00
Posted on 2016-02-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Pumpkins 7 (in Just Math) Rating: 4.00
Posted on 2016-02-05 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 3 of 5M.G.'s wit (in Just Math)
Posted on 2016-04-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Base N Perfect Square Poser (in Just Math) Rating: 5.00
Posted on 2016-07-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sixty Settlement (in Just Math) Rating: 5.00
Posted on 2016-07-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Right and Left Digits (in Just Math) Rating: 5.00
Posted on 2016-07-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Smallest Multiple of 99 (in Just Math)
Posted on 2016-07-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Remainder Resolution from Multiple (in Just Math) Rating: 4.50
Posted on 2016-08-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Staggering Digits (in Just Math) Rating: 5.00
Posted on 2016-07-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Binomial GCDs (in Just Math) Rating: 5.00
Posted on 2016-08-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Insect Jump Illation (in Just Math)
Posted on 2016-08-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5On Track (in Just Math)
Posted on 2016-02-29 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Cheese Cut Calculation (in Just Math)
Posted on 2016-03-03 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 4 of 5Not a common alphametic (in Just Math)
Posted on 2016-04-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 51+4=5 (in Just Math)
Posted on 2016-03-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Find Five Fractions (in Just Math) Rating: 4.00
Posted on 2016-03-27 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 52 equal sums (in Just Math)
Posted on 2016-04-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Countable sets (in Just Math)
Posted on 2016-03-15 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Rectangular Matrix Product Poser (in Just Math)
Posted on 2016-04-16 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5Visiting each other (in Just Math)
Posted on 2016-05-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Fibonacci Determinant (in Just Math)
Posted on 2016-04-19 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 1 of 5Is it true? (in Just Math) Rating: 3.00
Posted on 2016-05-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 52 diagonal sums (in Just Math)
Posted on 2016-04-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5TO and FRO (in Just Math) Rating: 3.00
Posted on 2016-04-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Real and Cyclic Sum (in Just Math) Rating: 4.50
Posted on 2016-08-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Unearthing Units Digit (in Just Math) Rating: 5.00
Posted on 2016-08-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Diophantine Pair Decision (in Just Math) Rating: 5.00
Posted on 2016-08-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Divisibility with lcm and gcd (in Just Math) Rating: 5.00
Posted on 2016-08-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Expression and Square Sum (in Just Math) Rating: 5.00
Posted on 2016-08-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Near Fermat Nuance (in Just Math) Rating: 5.00
Posted on 2016-08-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Complex Number and Positive Integer Poser (in Just Math) Rating: 5.00
Posted on 2016-08-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Which is greater? (in Just Math) Rating: 4.50
Posted on 2016-08-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Integer Equation Illation (in Just Math) Rating: 5.00
Posted on 2016-09-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Form Finding From Solution (in Just Math) Rating: 5.00
Posted on 2016-09-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Nineteenth Exponent Exposition (in Just Math) Rating: 5.00
Posted on 2016-09-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three Root Trial (in Just Math) Rating: 5.00
Posted on 2016-09-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Ascending Hexadecimal Digits (in Just Math) Rating: 5.00
Posted on 2016-09-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5GCD and LCM (in Just Math) Rating: 5.00
Posted on 2016-09-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Find Function From Fraction (in Just Math) Rating: 5.00
Posted on 2016-09-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Primes From Prime (in Just Math) Rating: 4.00
Posted on 2016-09-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Function Finding From Floor (in Just Math) Rating: 4.00
Posted on 2016-09-30 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Perfect Square and Odd Puzzle (in Just Math) Rating: 5.00
Posted on 2016-10-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Three Equation System Settlement (in Just Math) Rating: 5.00
Posted on 2016-10-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Ratio Sum Equation (in Just Math)
Posted on 2016-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Digit Arithmetic (in Just Math) Rating: 5.00
Posted on 2016-10-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pythagorean Legs (in Just Math) Rating: 5.00
Posted on 2016-10-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Prime and Six Settlement (in Just Math) Rating: 5.00
Posted on 2016-10-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Two distinct questions (in Just Math)
Posted on 2016-05-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A square problem (in Just Math)
Posted on 2016-05-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Grid exercise (in Just Math) Rating: 5.00
Posted on 2016-05-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Common Multiple from a Cubic (in Just Math) Rating: 4.00
Posted on 2016-05-01 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 53 integers (in Just Math)
Posted on 2016-05-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Positively Positive (in Just Math) Rating: 4.00
Posted on 2016-10-18 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5King on the run (in Just Math)
Posted on 2016-06-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Three expressions - same value (in Just Math)
Posted on 2016-06-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5No fours on my odometer (in Just Math)
Posted on 2016-06-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Equal Temperatures (in Just Math) Rating: 5.00
Posted on 2016-10-31 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Reciprocal Period Poser (in Just Math) Rating: 5.00
Posted on 2016-10-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Lucas Digits Look (in Just Math) Rating: 5.00
Posted on 2016-11-07 by K Sengupta (Solution Posted, 21 Comments)
Difficulty: 3 of 5List of triplets (in Just Math)
Posted on 2016-10-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5AABBCC and Perfect Square (in Just Math) Rating: 4.00
Posted on 2016-11-09 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 563 Division Decision (in Just Math) Rating: 5.00
Posted on 2016-11-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Linear*Quadratic = Square (in Just Math)
Posted on 2016-11-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rational Resolution (in Just Math) Rating: 5.00
Posted on 2016-11-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Facing each other (in Just Math)
Posted on 2017-03-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Primes divide expression? (in Just Math)
Posted on 2016-07-20 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Not too high, not too low (in Just Math)
Posted on 2016-07-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Prove SG's theorem (in Just Math)
Posted on 2016-07-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Indivisibility by 529 (in Just Math)
Posted on 2016-07-25 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5A square within a triangle (in Just Math)
Posted on 2016-07-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A chain of command (in Just Math)
Posted on 2016-07-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Divisibility to Square II (in Just Math)
Posted on 2016-08-07 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Find additional pairs (in Just Math)
Posted on 2016-08-08 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5240 divisors (in Just Math)
Posted on 2016-08-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Guessing your birthdate (in Just Math)
Posted on 2016-08-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Almost disjoint union (in Just Math)
Posted on 2016-08-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A Sum of Consecutive Square Roots (in Just Math)
Posted on 2016-08-10 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Think twice (in Just Math) Rating: 5.00
Posted on 2016-09-12 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Additional solutions, please (in Just Math)
Posted on 2016-10-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Prime problem (in Just Math)
Posted on 2016-10-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5polynomial problem 2 (in Just Math) Rating: 3.00
Posted on 2016-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Adding consecutive primes (in Just Math)
Posted on 2016-10-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Inequality challenge (in Just Math)
Posted on 2016-10-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Rationality certification (in Just Math)
Posted on 2016-10-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Symmetry helps! (in Just Math)
Posted on 2016-10-26 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5A peculiar triplet (in Just Math)
Posted on 2016-11-01 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 5A radical problem (in Just Math)
Posted on 2016-11-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5On the same floor (in Just Math)
Posted on 2016-11-22 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 3 of 526 out of 50 (in Just Math) Rating: 4.00
Posted on 2016-11-25 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 57+8=12 ?? (in Just Math) Rating: 3.00
Posted on 2016-11-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5It's all in the stars (in Just Math)
Posted on 2016-12-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5polynomial problem 3 (in Just Math)
Posted on 2016-10-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5this is the range of my root (in Just Math)
Posted on 2016-10-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5get the real part of the problem (in Just Math)
Posted on 2016-10-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Matrix Mathematics (in Just Math)
Posted on 2016-10-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Ain't she clever? (in Just Math)
Posted on 2017-01-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A little twist (in Just Math)
Posted on 2016-10-21 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Roots Ready to Relate (in Just Math) Rating: 4.00
Posted on 2016-11-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Same Real Roots (in Just Math)
Posted on 2016-12-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Vieta's derivatives (in Just Math)
Posted on 2016-12-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prime candidates (in Just Math)
Posted on 2016-12-20 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Proving divisibility (in Just Math)
Posted on 2017-01-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Counting brackets (in Just Math)
Posted on 2017-01-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A set of 3 equations (in Just Math) Rating: 3.50
Posted on 2016-12-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5When is it a square? (in Just Math)
Posted on 2017-01-15 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Squares sum up to a prime (in Just Math)
Posted on 2017-01-13 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5(x−y)^ n = xy (in Just Math)
Posted on 2017-01-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Additional values (in Just Math)
Posted on 2017-01-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Non-zero solutions only (in Just Math)
Posted on 2017-01-23 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Powers of x and y (in Just Math) Rating: 4.00
Posted on 2017-01-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Get all the Real Parts of the Problem (in Just Math)
Posted on 2016-12-03 by Brian Smith (Solution Posted, 0 Comments)
Difficulty: 2 of 5A table 4 4 (in Just Math)
Posted on 2017-02-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Trying to reach a Pythagorean triplet (in Just Math)
Posted on 2017-02-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Placing 4 integers within a set interval (in Just Math)
Posted on 2017-02-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sets' intersection (in Just Math)
Posted on 2017-02-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Rational number's conversion (in Just Math) Rating: 5.00
Posted on 2017-06-18 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Integer triplets (in Just Math)
Posted on 2017-02-21 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5At most - equality (in Just Math)
Posted on 2017-03-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5a KISS puzzle (in Just Math)
Posted on 2017-02-27 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5Inequality with a constraint (in Just Math)
Posted on 2017-03-04 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5It's obvious, but needs proof (in Just Math)
Posted on 2017-03-15 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Integers and their sums of digits (in Just Math)
Posted on 2017-03-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5 1 progression, 2 sums, 3 numbers (in Just Math)
Posted on 2017-03-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5 QUICKIE X (in Just Math)
Posted on 2017-03-28 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 52 ways to prove it (in Just Math) Rating: 4.00
Posted on 2017-10-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Baker to butcher to baker (in Just Math)
Posted on 2017-04-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Functional Question (in Just Math)
Posted on 2017-01-10 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Prime power puzzle (in Just Math) Rating: 5.00
Posted on 2017-04-01 by Math Man (Solution Posted, 9 Comments)
Difficulty: 2 of 5Parabolic Numbers (in Just Math)
Posted on 2017-09-18 by Charlie (Solution Posted, 2 Comments)
Difficulty: 1 of 5Not too many (in Just Math)
Posted on 2017-07-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Prime ages (in Just Math)
Posted on 2017-08-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Two sums of digits (in Just Math)
Posted on 2017-09-02 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Solve a generic set of equations (in Just Math) Rating: 3.00
Posted on 2017-09-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tea-time cakes (in Just Math)
Posted on 2017-09-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The rain in Spain (in Just Math)
Posted on 2017-09-05 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Product of 100 factorials (in Just Math) Rating: 3.50
Posted on 2017-09-07 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Solve the alpha2etic ! (in Just Math)
Posted on 2017-09-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5A scrambled BEDLAM (in Just Math)
Posted on 2017-09-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Toasting the eternal (in Just Math)
Posted on 2017-09-27 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A set of ages (in Just Math)
Posted on 2017-10-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pythagorean H/L ratios (in Just Math)
Posted on 2017-07-08 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5No integer roots (in Just Math)
Posted on 2017-10-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Solution's forecast (in Just Math)
Posted on 2017-10-24 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5From Mahavira (in Just Math)
Posted on 2017-07-18 by Jer (No Solution Yet, 11 Comments)
Difficulty: 3 of 5An ambiguous inheritance (in Just Math)
Posted on 2017-07-25 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5More than 3 cubes (in Just Math)
Posted on 2017-11-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Commutative Exponentiation (in Just Math) Rating: 4.00
Posted on 2017-07-07 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 2 of 5Rectangle in a circle (in Just Math)
Posted on 2017-11-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Truth or consequences (in Just Math)
Posted on 2017-11-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Nondivisibility by 11 (in Just Math) Rating: 4.00
Posted on 2017-08-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Palindromic sum (in Just Math)
Posted on 2017-08-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Square triplets (in Just Math)
Posted on 2017-11-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Simple trains problem (in Just Math) Rating: 3.00
Posted on 2017-08-29 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Who began with 50 cents? (in Just Math)
Posted on 2017-09-06 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5MMMMMM Donut (in Just Math)
Posted on 2017-09-11 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Optimal result (in Just Math) Rating: 2.00
Posted on 2018-06-04 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Spelling bee results (in Just Math) Rating: 2.00
Posted on 2017-12-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Where Did You Start? (in Just Math) Rating: 4.00
Posted on 2017-11-16 by chun (No Solution Yet, 3 Comments)
Difficulty: 3 of 5If two then three (in Just Math)
Posted on 2017-10-14 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The Young Girl's Age (in Just Math)
Posted on 2017-12-25 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Expanding the railroad line (in Just Math)
Posted on 2017-12-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 55-digit number (in Just Math)
Posted on 2018-01-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simple fractions (in Just Math) Rating: 3.00
Posted on 2018-01-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A meeting point (in Just Math)
Posted on 2018-01-07 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tiling 3x110 grid (in Just Math) Rating: 4.33
Posted on 2018-08-21 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Try a shortcut (in Just Math) Rating: 3.00
Posted on 2018-01-21 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Evaluate the missing digit (in Just Math)
Posted on 2018-01-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A set of subsets (in Just Math) Rating: 5.00
Posted on 2018-01-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Champagnat numbers (in Just Math)
Posted on 2018-01-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 515 letter 'words' (in Just Math) Rating: 5.00
Posted on 2018-01-11 by Jer (No Solution Yet, 4 Comments)
Difficulty: 4 of 5IMPROVED? (in Just Math)
Posted on 2018-04-27 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5113 together (in Just Math) Rating: 1.00
Posted on 2018-01-30 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Quite a coincidence (in Just Math) Rating: 3.00
Posted on 2018-01-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Magic triangles (in Just Math)
Posted on 2018-01-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A long day of chess (in Just Math)
Posted on 2018-01-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Carpenter's pricing (in Just Math)
Posted on 2018-02-05 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Pick-a-book meeting (in Just Math)
Posted on 2018-02-12 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Square pairs (in Just Math) Rating: 5.00
Posted on 2018-02-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Colored beads (in Just Math)
Posted on 2018-03-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Three squares imply the fourth (in Just Math)
Posted on 2018-03-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Generating triplets of squares (in Just Math)
Posted on 2018-03-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Better late than never ...HNY (in Just Math)
Posted on 2018-04-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Debugging a system (in Just Math)
Posted on 2018-04-16 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5The royal sisters (in Just Math)
Posted on 2018-04-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Prime stars (in Just Math)
Posted on 2018-04-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Strongly related (in Just Math)
Posted on 2018-05-05 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Square products (in Just Math)
Posted on 2018-02-27 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5From NPR (in Just Math)
Posted on 2018-05-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Six or less? (in Just Math)
Posted on 2018-08-09 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Sort it out ! (in Just Math)
Posted on 2018-06-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5What is the value of D? (in Just Math)
Posted on 2018-05-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5a NEWS puzzle (in Just Math)
Posted on 2018-06-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5How fast can you solve it? (in Just Math)
Posted on 2018-06-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Looking for a square result (in Just Math)
Posted on 2018-06-14 by Ady TZIDON (No Solution Yet, 18 Comments)
Difficulty: 4 of 5Space guys (in Just Math)
Posted on 2018-06-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Non-zero integers (in Just Math)
Posted on 2018-06-20 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Counting ones (in Just Math)
Posted on 2018-06-18 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5A simple equation (in Just Math)
Posted on 2018-06-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Summing consecutive factorials (in Just Math)
Posted on 2018-06-26 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Counting magic squares (in Just Math) Rating: 2.00
Posted on 2018-06-30 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum of reciprocals (in Just Math)
Posted on 2018-06-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Albums ?? (in Just Math)
Posted on 2018-07-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Goldiolics (in Just Math) Rating: 5.00
Posted on 2018-03-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Pascal Determinant (in Just Math)
Posted on 2018-03-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5If only it's a power of three (in Just Math)
Posted on 2018-04-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A formal proof requested (in Just Math) Rating: 3.00
Posted on 2018-09-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Call 911 (in Just Math)
Posted on 2018-08-03 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5A Common Number (in Just Math)
Posted on 2018-05-09 by Larry (Solution Posted, 7 Comments)
Difficulty: 3 of 5Goldbach's double (in Just Math)
Posted on 2018-08-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5When P. meets F. (in Just Math)
Posted on 2018-08-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Mission Impossible (in Just Math)
Posted on 2018-08-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Ignoring an error (in Just Math)
Posted on 2018-08-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Jeopardy style (in Just Math)
Posted on 2018-09-23 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Zeta sine (in Just Math)
Posted on 2018-10-28 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5A Cone and a Sphere (in Just Math)
Posted on 2018-09-07 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Jeopardy! style II (in Just Math)
Posted on 2018-10-09 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Get the bases! (in Just Math)
Posted on 2018-10-17 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Equation with factorial (in Just Math)
Posted on 2018-10-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Defining a sequence (in Just Math)
Posted on 2018-10-31 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5One-peak sets (in Just Math)
Posted on 2018-10-30 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5The penultimate digit (in Just Math)
Posted on 2018-11-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5From sum to addends (in Just Math)
Posted on 2018-11-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5Sum of the page numbers (in Just Math)
Posted on 2018-11-05 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 53D rooks puzzle (in Just Math) Rating: 3.00
Posted on 2018-11-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5MOI of a magic square (in Just Math)
Posted on 2018-11-16 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Maximal number of solutions (in Just Math)
Posted on 2018-12-08 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 5 of 5Restoring a multiplication sample (in Just Math)
Posted on 2018-12-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Tangent Ellipses (in Just Math)
Posted on 2018-11-08 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Too Small of an Angle (in Just Math)
Posted on 2018-11-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All Primes (in Just Math)
Posted on 2018-11-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Choosing a game (in Just Math) Rating: 5.00
Posted on 2018-12-25 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Hoops (in Just Math)
Posted on 2018-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Concentric Circles and Equilateral Triangle (in Just Math) Rating: 5.00
Posted on 2018-12-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 524 pre-scheduled dates (in Just Math)
Posted on 2018-12-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Weird equations (in Just Math) Rating: 3.00
Posted on 2019-03-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Probably Acute (in Just Math) Rating: 5.00
Posted on 2018-12-21 by Danish Ahmed Khan (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Complex (in Just Math) Rating: 4.00
Posted on 2018-12-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Discounted velos (in Just Math)
Posted on 2019-01-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Equation! Just do it. (in Just Math)
Posted on 2019-01-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sine recurrence (in Just Math)
Posted on 2019-01-08 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Just count them ! (in Just Math)
Posted on 2019-04-09 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cover the rectangle (in Just Math)
Posted on 2019-01-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5N cups on a turntable (in Just Math) Rating: 5.00
Posted on 2019-01-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reach home (in Just Math)
Posted on 2019-01-14 by Danish Ahmed Khan (No Solution Yet, 13 Comments)
Difficulty: 3 of 548th digit in the head (in Just Math)
Posted on 2019-01-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Digit Hunting (in Just Math)
Posted on 2019-01-26 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5OMG Equation (in Just Math)
Posted on 2019-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Binomial dilemma (in Just Math) Rating: 3.00
Posted on 2019-02-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Bit filling in 5*5 grid! (in Just Math)
Posted on 2019-04-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Ultimate Tic-Tac-Toe (in Just Math)
Posted on 2019-05-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 516 choices (in Just Math)
Posted on 2019-01-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5More or less 6 days (in Just Math)
Posted on 2019-01-24 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5Thunderstorm (in Just Math)
Posted on 2019-02-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Counting votes from percentages (in Just Math) Rating: 4.00
Posted on 2019-02-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle area / perimeter (in Just Math)
Posted on 2019-02-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A Walking puzzle (in Just Math)
Posted on 2019-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5CC & ET Expanded (in Just Math)
Posted on 2018-12-29 by broll (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Algebra? (in Just Math)
Posted on 2019-02-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5No Heron (in Just Math)
Posted on 2019-02-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Shifted regions (in Just Math)
Posted on 2019-02-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Summing the pairs (in Just Math)
Posted on 2019-03-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Smaller product (in Just Math)
Posted on 2019-01-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5An enumeration problem (in Just Math)
Posted on 2019-01-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Consistency parameter (in Just Math)
Posted on 2019-01-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5How many geeks are smart? (in Just Math)
Posted on 2019-06-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Rectangle on a cubic (in Just Math)
Posted on 2019-03-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tan-ing the sine (in Just Math)
Posted on 2019-03-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Median formula (in Just Math) Rating: 3.00
Posted on 2019-03-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5'Two' many roots (in Just Math)
Posted on 2019-03-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Descartes roots (in Just Math)
Posted on 2019-03-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Power Polynomial (in Just Math)
Posted on 2019-03-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quad composition (in Just Math)
Posted on 2019-03-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sick-quence (in Just Math) Rating: 4.00
Posted on 2019-03-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Cubic transformation (in Just Math)
Posted on 2019-03-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Functional Logic (in Just Math)
Posted on 2019-07-06 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Mean=Median=Mode (in Just Math) Rating: 3.00
Posted on 2019-03-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Matrix rank? (in Just Math)
Posted on 2019-03-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Radical Factorials (in Just Math)
Posted on 2019-03-29 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Closer to your roots (in Just Math)
Posted on 2019-03-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sine in Exponent (in Just Math)
Posted on 2019-04-03 by Danish Ahmed Khan (No Solution Yet, 17 Comments)
Difficulty: 3 of 5Matrixed Fibonacci (in Just Math)
Posted on 2019-04-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 5 of 5The devilish 9 roots (in Just Math)
Posted on 2019-04-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Not more than one (in Just Math)
Posted on 2019-04-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Polynomial phobia abandoned! (in Just Math)
Posted on 2019-04-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Finding Quadratic (in Just Math)
Posted on 2019-04-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Looks like Cauchy (in Just Math)
Posted on 2019-04-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Know the functioning of the function? (in Just Math)
Posted on 2019-04-19 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Tunneling through a mine car (in Just Math)
Posted on 2019-04-16 by Danish Ahmed Khan (No Solution Yet, 26 Comments)
Difficulty: 4 of 5Rectangle pegs in a round hole (in Just Math)
Posted on 2019-04-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5How many choices? (in Just Math)
Posted on 2019-02-05 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 2 of 5Conversion Diversion (in Just Math)
Posted on 2019-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Inequality in lengths of pentagon (in Just Math)
Posted on 2019-04-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5points or pigeons in square? (in Just Math)
Posted on 2019-08-05 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Single, Double & Triple Scoops (in Just Math)
Posted on 2019-05-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Double Composition (in Just Math)
Posted on 2019-05-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The right time (in Just Math)
Posted on 2019-05-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A geometric gangster shooting (in Just Math) Rating: 4.00
Posted on 2019-05-06 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Does It Continue? 11 (in Just Math) Rating: 5.00
Posted on 2019-02-10 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5The road less travelled (in Just Math)
Posted on 2019-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A hairy problem (in Just Math)
Posted on 2019-05-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Polynomial collections! (in Just Math)
Posted on 2019-05-11 by Danish Ahmed Khan (No Solution Yet, 16 Comments)
Difficulty: 2 of 5Rainy days on a mountain (in Just Math)
Posted on 2019-05-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Permuted a, b, c, d equation (in Just Math)
Posted on 2019-05-23 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Matrix Differentiated (in Just Math)
Posted on 2019-05-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Chacun Ă  son goĂťt ! (in Just Math)
Posted on 2019-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Bug Climber (in Just Math)
Posted on 2019-05-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Unknown Triangle (in Just Math)
Posted on 2019-05-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5One way out (in Just Math)
Posted on 2019-09-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Weird Expression (in Just Math)
Posted on 2019-06-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tangent of string of 5 (in Just Math)
Posted on 2019-06-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5A Real function (in Just Math)
Posted on 2019-06-07 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A four number puzzle (in Just Math)
Posted on 2019-06-15 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Shooting submarine on a number line! (in Just Math) Rating: 5.00
Posted on 2019-06-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Just Hangin' around (in Just Math) Rating: 5.00
Posted on 2019-06-14 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Be the term-inator (in Just Math)
Posted on 2019-06-16 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Zero Error Scales (in Just Math)
Posted on 2019-06-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Locate the inflection point (in Just Math)
Posted on 2019-03-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5cosine rationality (in Just Math)
Posted on 2019-06-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Root switching sides (in Just Math)
Posted on 2019-07-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5In pairs (in Just Math)
Posted on 2019-07-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Hexagonally closer (in Just Math)
Posted on 2019-07-07 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Transformation to nonnegitivity (in Just Math) Rating: 4.00
Posted on 2019-07-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Keep an eye Onto the other (in Just Math)
Posted on 2019-07-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5How do I know the time? (in Just Math)
Posted on 2019-07-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Bugs on a pentagon (in Just Math)
Posted on 2019-07-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tangent by Transformation (in Just Math)
Posted on 2019-07-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Height of a Mountain (in Just Math)
Posted on 2019-07-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rods as triangle sides (in Just Math)
Posted on 2019-07-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Peoples Day (in Just Math)
Posted on 2019-08-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Recover a number (in Just Math)
Posted on 2019-10-29 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Sitting rearrangement (in Just Math)
Posted on 2019-08-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Irrational Distance/Rational Areas (in Just Math)
Posted on 2019-08-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Rotated Checkerboard (in Just Math)
Posted on 2019-08-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Follow the function (in Just Math)
Posted on 2019-11-28 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Rectangular Regions (in Just Math) Rating: 3.00
Posted on 2019-08-18 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Boing! Boing! (in Just Math)
Posted on 2019-05-16 by FrankM (Solution Posted, 3 Comments)
Difficulty: 5 of 5Bored student (in Just Math) Rating: 5.00
Posted on 2019-08-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Beautiful recursion (in Just Math)
Posted on 2019-09-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5J.H. Lambert, I presume ? (in Just Math)
Posted on 2019-05-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Trying to get better (in Just Math)
Posted on 2019-07-11 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5The three Sprinters (in Just Math)
Posted on 2019-09-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Minimize the chord length (in Just Math)
Posted on 2019-09-27 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Cotangents product (in Just Math)
Posted on 2019-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Solving triangles (in Just Math)
Posted on 2019-10-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5From incircle to vertices (in Just Math)
Posted on 2019-10-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cube rooted till 2019 (in Just Math)
Posted on 2019-10-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Fancy quadrilateral (in Just Math)
Posted on 2019-10-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A positive rational function (in Just Math)
Posted on 2019-11-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Very Large Triangles (in Just Math)
Posted on 2019-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The top degree (in Just Math)
Posted on 2019-11-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Spherplex (in Just Math)
Posted on 2019-11-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 58 eights, 8 ones (in Just Math)
Posted on 2019-10-01 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Ardent tennis player (in Just Math)
Posted on 2019-10-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Poetry, not poverty (in Just Math)
Posted on 2019-12-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Nobody's Perfect (in Just Math) Rating: 4.00
Posted on 2019-12-04 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 1 of 5PYHIYP #2 (in Just Math) Rating: 5.00
Posted on 2020-01-13 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5A special equation (in Just Math)
Posted on 2020-02-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Super Symmetry (in Just Math)
Posted on 2020-03-23 by JLo (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Spacy Colors III (in Just Math)
Posted on 2020-03-27 by JLo (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Confirm or negate (in Just Math) Rating: 5.00
Posted on 2020-04-24 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5WG's portfolio (in Just Math)
Posted on 2020-04-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Division by e (in Just Math) Rating: 5.00
Posted on 2020-03-25 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 2 of 5A six-digit answer (in Just Math) Rating: 4.00
Posted on 2020-05-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Almost a half (in Just Math)
Posted on 2020-05-15 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Great Divide (in Just Math)
Posted on 2020-06-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5No fractions (in Just Math) Rating: 4.00
Posted on 2020-09-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5What price glory? (in Just Math)
Posted on 2020-08-12 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Location, location (in Just Math) Rating: 1.00
Posted on 2020-08-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 52020 roots (in Just Math)
Posted on 2020-12-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 4 of 5More functions to limit (in Just Math)
Posted on 2020-05-18 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Function range (in Just Math)
Posted on 2020-06-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5From factorial to power (in Just Math)
Posted on 2020-08-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Math in letters (in Just Math) Rating: 4.00
Posted on 2020-06-01 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Square Reciprocal Summation (in Just Math) Rating: 3.00
Posted on 2020-08-25 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 4 of 5A peculiar function! (in Just Math)
Posted on 2020-09-03 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Halved triangle (in Just Math) Rating: 4.00
Posted on 2020-09-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Extreme inequality (in Just Math) Rating: 5.00
Posted on 2020-09-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Real equation (in Just Math)
Posted on 2020-10-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Valid system of equations (in Just Math) Rating: 3.00
Posted on 2020-10-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Functional feast (in Just Math) Rating: 3.50
Posted on 2020-10-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Multiply by 2 (in Just Math)
Posted on 2021-06-04 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Quadratic relation (in Just Math) Rating: 2.00
Posted on 2020-10-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Heron at rescue (in Just Math)
Posted on 2020-10-23 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Functional equation leads to another (in Just Math)
Posted on 2020-10-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sequence number compressed (in Just Math) Rating: 5.00
Posted on 2020-10-28 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Cubic coefficients (in Just Math) Rating: 3.00
Posted on 2020-11-02 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Chinese remainder to the rescue (in Just Math) Rating: 3.00
Posted on 2020-10-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Polynomial practice (in Just Math) Rating: 3.00
Posted on 2020-10-30 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Coldest point in coordinate (in Just Math) Rating: 3.00
Posted on 2020-11-01 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Polynomial practice 2 (in Just Math)
Posted on 2020-11-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Count real roots (in Just Math) Rating: 3.00
Posted on 2020-11-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Quadratic integer root (in Just Math)
Posted on 2020-11-07 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Rectangular puzzle (in Just Math)
Posted on 2020-11-08 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Clock a doodle do (in Just Math)
Posted on 2020-11-09 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Go Discriminant! (in Just Math)
Posted on 2020-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sums of Sums of Triangular Numbers (in Just Math) Rating: 4.50
Posted on 2020-09-05 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5Locus to trisect the triangle (in Just Math) Rating: 3.00
Posted on 2020-11-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Calculator at rescue? (in Just Math)
Posted on 2020-11-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Weird shuffling (in Just Math)
Posted on 2020-11-29 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Rubik's cut (in Just Math) Rating: 2.00
Posted on 2020-11-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Functional practice (in Just Math)
Posted on 2020-12-05 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Inconvenient points (in Just Math)
Posted on 2021-08-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Symmetrical biquadratic (in Just Math)
Posted on 2021-10-01 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Repeating squares (in Just Math)
Posted on 2020-09-09 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Permuted sums (in Just Math) Rating: 3.00
Posted on 2020-11-30 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Possible diquadratic (in Just Math)
Posted on 2020-12-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Snails journey (in Just Math)
Posted on 2020-12-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Functional inequality (in Just Math)
Posted on 2020-12-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rectangular blocks (in Just Math)
Posted on 2020-12-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Tic tac toe points (in Just Math)
Posted on 2020-12-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Conditional pairs (in Just Math)
Posted on 2020-12-19 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sin sum (in Just Math)
Posted on 2020-12-11 by Jer (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Functional Equation (in Just Math)
Posted on 2020-12-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Circular segments (in Just Math)
Posted on 2020-12-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Express as product of quadratic (in Just Math) Rating: 3.00
Posted on 2020-12-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The money winning strategy (in Just Math) Rating: 3.00
Posted on 2021-01-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Trunk numbers (in Just Math) Rating: 3.00
Posted on 2021-01-04 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Lattices inside square (in Just Math)
Posted on 2021-01-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Complex hexagon ratios (in Just Math)
Posted on 2021-01-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5mini equilateral over mega equilateral (in Just Math)
Posted on 2021-01-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Giant divisibility (in Just Math)
Posted on 2021-01-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three circles on sphere (in Just Math)
Posted on 2021-01-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sweet little sixteen (in Just Math)
Posted on 2021-01-18 by broll (No Solution Yet, 2 Comments)
Difficulty: 2 of 5374 1493 I9 243 35 85M4 (in Just Math) Rating: 5.00
Posted on 2021-01-30 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Entries of a matrix (in Just Math) Rating: 4.00
Posted on 2021-01-29 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Triple composition on naturals (in Just Math) Rating: 1.00
Posted on 2021-02-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Differences of the fraction (in Just Math) Rating: 4.00
Posted on 2021-02-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Binomial function hunt (in Just Math)
Posted on 2021-02-26 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Situational roots of a biquadratic (in Just Math)
Posted on 2021-03-07 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Numeric card game (in Just Math) Rating: 3.67
Posted on 2021-03-04 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 53 roots of a biquadratic (in Just Math)
Posted on 2021-03-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Reduce to a lower degree (in Just Math)
Posted on 2021-03-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Permuted quadratic equation (in Just Math)
Posted on 2021-03-23 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Induced divisibility (in Just Math)
Posted on 2021-03-18 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Quadratic inequality leading to sum of roots (in Just Math)
Posted on 2021-04-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Constrained circle in quadrilateral (in Just Math)
Posted on 2021-04-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Knight tour in an infinite board (in Just Math)
Posted on 2021-04-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Nearsighted rooks on a large chessboard (in Just Math) Rating: 3.00
Posted on 2021-04-05 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pigeonhole roots (in Just Math)
Posted on 2021-04-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Find set cardinality (in Just Math)
Posted on 2021-04-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Recursive determinant replacement of quadratic (in Just Math)
Posted on 2021-04-23 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Signs and Constant Speed (in Just Math) Rating: 5.00
Posted on 2021-07-08 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divisor divisibility (in Just Math)
Posted on 2021-05-26 by tomarken (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Fibonacci Inequality (in Just Math) Rating: 4.00
Posted on 2021-05-06 by tomarken (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Five root function (in Just Math)
Posted on 2021-05-07 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Polynomial radicals (in Just Math)
Posted on 2021-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hexagon area (in Just Math)
Posted on 2021-05-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tricky function composition (in Just Math)
Posted on 2021-05-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Polynomial substitution (in Just Math)
Posted on 2021-09-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digit equivalence (in Just Math)
Posted on 2021-06-22 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Reflection in Rectangle (in Just Math)
Posted on 2021-06-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Arithmetic inverse trigonometry (in Just Math)
Posted on 2021-07-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Solution in every interval? (in Just Math)
Posted on 2021-07-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Irrational root shared (in Just Math)
Posted on 2021-07-14 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 5 of 5Cyclic recursive summation (in Just Math)
Posted on 2021-07-16 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Algebraic factors? (in Just Math)
Posted on 2021-07-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cube trouble (in Just Math)
Posted on 2021-07-30 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5The 10th distance (in Just Math) Rating: 4.50
Posted on 2021-09-06 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Indeed common (in Just Math)
Posted on 2021-08-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Functional fiesta (in Just Math)
Posted on 2021-08-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Factorials and 2 powers (in Just Math)
Posted on 2021-08-13 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5More balanced weighing (in Just Math)
Posted on 2021-08-20 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Grid squares (in Just Math)
Posted on 2021-09-03 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Imaginary triangles (in Just Math)
Posted on 2021-09-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Imagine the points (in Just Math)
Posted on 2021-09-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Cubic conundrum (in Just Math) Rating: 4.00
Posted on 2021-10-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Function at least 2 (in Just Math)
Posted on 2021-10-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Range (in Just Math)
Posted on 2021-09-20 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Simple complex numbers (in Just Math)
Posted on 2021-11-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cubic computation (in Just Math)
Posted on 2021-11-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Complex function (in Just Math)
Posted on 2021-11-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sport above all (in Just Math) Rating: 3.00
Posted on 2021-02-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Complex Roots Magnitude (in Just Math)
Posted on 2021-02-25 by Brian Smith (Solution Posted, 0 Comments)
Difficulty: 4 of 5Reciprocal Equation #6 (in Just Math)
Posted on 2021-02-28 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Maximal product requested (in Just Math)
Posted on 2021-06-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Three random squares (in Just Math) Rating: 5.00
Posted on 2021-06-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Circle Line Locus (in Just Math) Rating: 4.00
Posted on 2021-07-02 by Jer (Solution Posted, 10 Comments)
Difficulty: 3 of 5Adjacent Square Sum II (in Just Math) Rating: 5.00
Posted on 2021-07-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Planar factor graphs (in Just Math) Rating: 5.00
Posted on 2021-08-16 by Jer (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Periodic functional equation (in Just Math)
Posted on 2021-12-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cubic Arithmetic Conclusion (in Just Math) Rating: 5.00
Posted on 2021-11-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Prove or verify (in Just Math) Rating: 4.00
Posted on 2021-11-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Nimble Exponent Extrication (in Just Math) Rating: 5.00
Posted on 2021-11-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Factorial Removal Resolution (in Just Math) Rating: 4.00
Posted on 2021-12-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5AB Crossed Floor Product (in Just Math) Rating: 5.00
Posted on 2021-12-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5 Ninety Seven and Divisibility Nuance (in Just Math) Rating: 4.00
Posted on 2021-12-12 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Temperature Travail II (in Just Math) Rating: 4.00
Posted on 2021-12-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Temperature Temperament IV (in Just Math) Rating: 5.00
Posted on 2022-01-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sum Cubes and Fourth Powers (in Just Math) Rating: 4.00
Posted on 2022-02-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Fahrenheit*Celsius equals Perfect Square (in Just Math) Rating: 5.00
Posted on 2022-01-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mas o menos vs comme il faut (in Just Math) Rating: 4.00
Posted on 2021-12-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Perfect Powered Temperature (in Just Math) Rating: 5.00
Posted on 2022-01-09 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Temperature Reflection 2 (in Just Math) Rating: 5.00
Posted on 2022-01-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Age of ages (2) (in Just Math) Rating: 5.00
Posted on 2022-01-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Dudeney minus one: Dudezero (in Just Math) Rating: 5.00
Posted on 2022-02-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5What digit is there? (in Just Math) Rating: 3.00
Posted on 2021-11-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Continued Floor Elucidation (in Just Math) Rating: 5.00
Posted on 2022-02-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Ratio Resolution V (in Just Math) Rating: 5.00
Posted on 2022-02-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Count the trailing zeros (in Just Math) Rating: 4.00
Posted on 2021-11-30 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5SOD Crossed 2023 Puzzle (in Just Math) Rating: 4.00
Posted on 2022-02-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Ratio Resolution VI (in Just Math) Rating: 5.00
Posted on 2022-03-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Inverse Root Difference Crossed Zeros Puzzle (in Just Math) Rating: 5.00
Posted on 2022-03-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Mixed Fraction Product Poser (in Just Math) Rating: 4.00
Posted on 2022-05-03 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 4 of 55 peaceful rooks (in Just Math) Rating: 3.50
Posted on 2021-12-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Back to basics (in Just Math) Rating: 5.00
Posted on 2021-12-23 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Straight Up Inequality (in Just Math) Rating: 3.00
Posted on 2021-12-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Super Exponentiation Surmise (in Just Math) Rating: 4.50
Posted on 2022-07-31 by K Sengupta (Solution Posted, 13 Comments)
Difficulty: 1 of 5KISS solution (in Just Math) Rating: 5.00
Posted on 2021-12-29 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Factorialroot Fruition (in Just Math) Rating: 5.00
Posted on 2022-11-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A multiple of 42 (in Just Math) Rating: 5.00
Posted on 2022-03-23 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Attributed to Ramanujan (in Just Math) Rating: 4.00
Posted on 2022-03-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Toll of two towns (in Just Math)
Posted on 2022-02-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Settlement VII (in Just Math) Rating: 5.00
Posted on 2023-01-08 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5An Olympic trial II (in Just Math) Rating: 4.00
Posted on 2022-03-08 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Q and A (in Just Math) Rating: 5.00
Posted on 2022-03-06 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Iterated Floor Illation (in Just Math) Rating: 5.00
Posted on 2022-10-28 by K Sengupta (Solution Posted, 22 Comments)
Difficulty: 3 of 5Integral Roots (in Just Math) Rating: 5.00
Posted on 2022-04-01 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Simultaneous Settlement VI (in Just Math) Rating: 5.00
Posted on 2022-12-17 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Eventual Inverse Function (in Just Math) Rating: 4.00
Posted on 2022-04-08 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5From a to z (in Just Math) Rating: 4.50
Posted on 2022-04-17 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Simple set (in Just Math) Rating: 4.00
Posted on 2022-04-25 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three Absolute Value Trial (in Just Math) Rating: 3.50
Posted on 2022-12-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Near Exponential Expressions Crossed Value Derivation (in Just Math) Rating: 5.00
Posted on 2022-12-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Counting words (in Just Math) Rating: 5.00
Posted on 2022-04-27 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Only integer answers (in Just Math) Rating: 5.00
Posted on 2022-05-19 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 52^n mod n (in Just Math) Rating: 4.00
Posted on 2022-05-13 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Wise Guy's sons (in Just Math) Rating: 4.00
Posted on 2022-05-25 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5What base? (in Just Math) Rating: 4.00
Posted on 2022-05-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Log Value Extrication (in Just Math) Rating: 4.00
Posted on 2023-01-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Last house on the street (in Just Math) Rating: 4.00
Posted on 2022-05-31 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Cube Rooted and Squared Til 2023 (in Just Math) Rating: 5.00
Posted on 2023-02-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cycles of roots as coefficients (in Just Math) Rating: 5.00
Posted on 2022-06-16 by Jer (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Euler was wrong (in Just Math) Rating: 5.00
Posted on 2022-07-06 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three clocks (in Just Math)
Posted on 2022-07-10 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 53 out of 5 (in Just Math) Rating: 5.00
Posted on 2022-07-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5381654729 (in Just Math) Rating: 2.50
Posted on 2022-07-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Super Exponentiation Surmise II (in Just Math)
Posted on 2023-03-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Perplexus arrangement (in Just Math) Rating: 3.00
Posted on 2022-08-08 by Jer (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Take it EZ (in Just Math) Rating: 5.00
Posted on 2022-12-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sums of floors and fractionals (in Just Math) Rating: 5.00
Posted on 2022-09-18 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Flooring a Floor-Ceiling Function (in Just Math) Rating: 5.00
Posted on 2023-04-17 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Given Radical Real Product, Find the Square of Sum (in Just Math) Rating: 5.00
Posted on 2023-05-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Binomial and Floor Difference Crossed Division Determination (in Just Math) Rating: 2.00
Posted on 2023-06-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Nested sin and cos equality (in Just Math) Rating: 4.00
Posted on 2023-06-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The next cube (in Just Math) Rating: 5.00
Posted on 2022-10-19 by Steven Lord (Solution Posted, 3 Comments)
Difficulty: 3 of 5Quintic Factorization (in Just Math) Rating: 5.00
Posted on 2023-06-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5From M to N (in Just Math)
Posted on 2023-05-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Nonn, easy, nice. (in Just Math)
Posted on 2022-11-23 by broll (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Gaussian Rectangle Problem (in Just Math)
Posted on 2022-12-23 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Some Lengths May Parallel X-axis (in Just Math) Rating: 5.00
Posted on 2023-07-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Some Decic Sin and Cos Sum to Rational Numbers (in Just Math) Rating: 5.00
Posted on 2023-07-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Squares and Cubes from Wooden Cubes (in Just Math) Rating: 5.00
Posted on 2023-07-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quadratic Function Determination (in Just Math) Rating: 5.00
Posted on 2024-02-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5521st Digit Determination (in Just Math) Rating: 5.00
Posted on 2023-07-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Logarithm Crossed Ordered Pairs Puzzle (in Just Math) Rating: 5.00
Posted on 2023-07-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Fractional Sum Quickie (in Just Math)
Posted on 2023-07-31 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Value Validation II (in Just Math)
Posted on 2023-08-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Age of ages 3 (in Just Math) Rating: 5.00
Posted on 2023-08-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Value Validation (in Just Math) Rating: 5.00
Posted on 2023-01-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Given the Function, Calculate the Value (in Just Math) Rating: 5.00
Posted on 2023-08-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Name the base (in Just Math) Rating: 4.00
Posted on 2023-02-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Near pi Equation Solution Settlement (in Just Math)
Posted on 2023-08-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Logtan Expression Quickie (in Just Math) Rating: 4.00
Posted on 2023-08-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Radical Real Value Resolution (in Just Math) Rating: 5.00
Posted on 2023-09-01 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Fractional Form Quickie (in Just Math) Rating: 4.50
Posted on 2023-09-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Triplets Crossed Simultaneous System Solution (in Just Math) Rating: 5.00
Posted on 2023-09-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Floors and Sawtooth Sum to Reals (in Just Math) Rating: 5.00
Posted on 2023-09-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Given Real Numbers, Find all possible Sums (in Just Math)
Posted on 2024-05-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Number Crossed Symmetric System of Equations (in Just Math) Rating: 5.00
Posted on 2023-09-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sawtooth Sum Settlement (in Just Math)
Posted on 2023-09-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor Ratio Crossed Last Two Digits (in Just Math) Rating: 5.00
Posted on 2023-09-21 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Ratio Difference Crossed Value Determination (in Just Math) Rating: 5.00
Posted on 2023-09-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Recurrent n's (in Just Math) Rating: 5.00
Posted on 2024-06-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find Another Function (in Just Math)
Posted on 2023-10-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 54 distinct pairs (in Just Math)
Posted on 2023-02-20 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5How Mean Is It? (in Just Math) Rating: 5.00
Posted on 2023-10-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Given Real Valued Function, Find the Value 2 (in Just Math) Rating: 5.00
Posted on 2023-10-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Astronomer Royal (in Just Math) Rating: 5.00
Posted on 2023-10-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Find the real function, Get the value (in Just Math) Rating: 5.00
Posted on 2023-10-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Evaluate x (in Just Math)
Posted on 2023-02-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Super Exponentiation Surmise III (in Just Math) Rating: 5.00
Posted on 2023-10-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Commutative Group 2 (in Just Math)
Posted on 2023-02-26 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 2 of 5A simple p&p equation (in Just Math)
Posted on 2023-03-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 52 square roots (in Just Math) Rating: 4.00
Posted on 2023-03-12 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 2 of 5A Fraction With Exponential Expressions (in Just Math) Rating: 5.00
Posted on 2024-06-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two ways to solve (in Just Math) Rating: 4.00
Posted on 2023-03-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Inverse Crossed Linear Power (in Just Math) Rating: 5.00
Posted on 2023-10-14 by K Sengupta (Solution Posted, 13 Comments)
Difficulty: 3 of 5Fifth Powers (in Just Math) Rating: 4.00
Posted on 2023-03-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Floor Expressions Sum Floor (in Just Math) Rating: 5.00
Posted on 2023-10-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Power after power (in Just Math)
Posted on 2023-03-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 52 Cube Roots (in Just Math) Rating: 4.50
Posted on 2023-10-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic and Cubic Expression Quickie (in Just Math) Rating: 5.00
Posted on 2023-10-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Quadratic Expression System Ascertainment (in Just Math) Rating: 5.00
Posted on 2023-10-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Values Satisfaction (in Just Math)
Posted on 2024-10-01 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Super Exponentiation Surmise IV (in Just Math) Rating: 5.00
Posted on 2023-10-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three sins (in Just Math) Rating: 4.00
Posted on 2023-03-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5From geo to trigo (in Just Math)
Posted on 2023-03-31 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Floored parabola (in Just Math)
Posted on 2023-04-03 by Jer (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Special (int)ention (in Just Math)
Posted on 2023-04-02 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 2 of 5Seems unlikely, but is not … (in Just Math)
Posted on 2023-04-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Basic trigo equation (in Just Math)
Posted on 2023-04-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Even degree and Odd coefficient Crossed Polynomial Poser (in Just Math)
Posted on 2023-10-29 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Conjugate and radical equation (in Just Math)
Posted on 2023-04-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5All possible real values (in Just Math) Rating: 5.00
Posted on 2023-11-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Function of a function (in Just Math)
Posted on 2023-04-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Simplify Ratio of Expressions (in Just Math) Rating: 5.00
Posted on 2023-11-06 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Radical difference trigonometry (in Just Math)
Posted on 2023-04-16 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triple seven power (in Just Math) Rating: 3.00
Posted on 2023-04-21 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Calling for ALL solutions (in Just Math) Rating: 3.00
Posted on 2023-04-24 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 1 of 5Ay. ay. ay (in Just Math)
Posted on 2023-04-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A Complex Equation (in Just Math) Rating: 4.00
Posted on 2023-04-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Find the Function (in Just Math)
Posted on 2023-05-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A polynomial equation (in Just Math)
Posted on 2023-04-26 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Last two digits (in Just Math) Rating: 5.00
Posted on 2023-11-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Counting the wounded (in Just Math)
Posted on 2023-05-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Real Numbers and System of Equations Settlement (in Just Math) Rating: 5.00
Posted on 2023-11-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Ones and Twos (in Just Math)
Posted on 2023-05-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Math, not magic (in Just Math)
Posted on 2023-05-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Take five (in Just Math)
Posted on 2023-05-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Which is Greater? (in Just Math) Rating: 4.00
Posted on 2023-11-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Roamin' Candles (in Just Math)
Posted on 2024-07-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Wanted: the value(s) of the polynomial (in Just Math)
Posted on 2023-05-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5High powers involved (in Just Math)
Posted on 2023-05-09 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Erase as much as needed (in Just Math) Rating: 5.00
Posted on 2023-05-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Phone Squad (in Just Math)
Posted on 2023-12-22 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Piling Stones (in Just Math) Rating: 5.00
Posted on 2023-12-23 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Solving a System of Equations with Real Numbers (in Just Math) Rating: 5.00
Posted on 2023-12-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Total Number of Real Solutions (in Just Math) Rating: 5.00
Posted on 2023-12-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Valued Function Rationale (in Just Math) Rating: 5.00
Posted on 2023-12-31 by K Sengupta (Solution Posted, 62 Comments)
Difficulty: 3 of 5Distinct Values of an Expression Involving Floor Function (in Just Math) Rating: 5.00
Posted on 2023-06-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5He gave me S and asked for X (in Just Math) Rating: 3.00
Posted on 2023-05-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Cute equation. (in Just Math)
Posted on 2023-05-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Evaluate sin(6°) (in Just Math)
Posted on 2023-05-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Given Quadratic, Find Cubic (in Just Math) Rating: 5.00
Posted on 2024-01-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5The determinant is divisible by three (in Just Math)
Posted on 2023-06-05 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Given Cubic, Solve For Real (in Just Math)
Posted on 2024-01-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5LCM and GCD Crossed Value Derivation (in Just Math) Rating: 5.00
Posted on 2024-01-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Ratio of Cubic Expressions (in Just Math) Rating: 5.00
Posted on 2024-09-01 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Difference of Two Expressions equal n (in Just Math)
Posted on 2024-01-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The non-zero determinant is not divisible by three (in Just Math)
Posted on 2023-06-12 by Brian Smith (Solution Posted, 0 Comments)
Difficulty: 3 of 5Complex condition (in Just Math)
Posted on 2024-06-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Find the possible values of a*b. (in Just Math) Rating: 5.00
Posted on 2024-01-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Try a tricky solution (in Just Math)
Posted on 2023-06-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5More solutions, please (in Just Math)
Posted on 2023-06-23 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Given Ratio Sum and Square Sum, Find The Minimum Sum (in Just Math) Rating: 5.00
Posted on 2024-02-22 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Find Last 3 Digits (in Just Math) Rating: 5.00
Posted on 2024-02-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Positive Integer and Real Number Expression 2 (in Just Math) Rating: 5.00
Posted on 2024-02-24 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Minimizing disjoint sum (in Just Math)
Posted on 2023-06-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Ranging roots (in Just Math)
Posted on 2023-06-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find all possible values of x (in Just Math) Rating: 5.00
Posted on 2024-02-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Simultaneous inequality? (in Just Math)
Posted on 2023-07-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Triangle of Sticks (in Just Math)
Posted on 2023-07-11 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Golden Substitution (in Just Math)
Posted on 2023-06-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic Root Comparison (in Just Math) Rating: 5.00
Posted on 2023-07-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Geometric Mean Crossed Ratio Puzzle (in Just Math)
Posted on 2024-03-02 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Prime power pairs (in Just Math)
Posted on 2023-07-16 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Divisor count ratio (in Just Math)
Posted on 2023-07-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Pairs by rearranging (in Just Math)
Posted on 2023-07-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Simultaneous equation (in Just Math)
Posted on 2023-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Forming a formula (in Just Math)
Posted on 2023-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Irrational powered equation (in Just Math)
Posted on 2023-07-30 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cosine ratio to Sine (in Just Math)
Posted on 2023-08-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Cubic roots manipulation (in Just Math)
Posted on 2023-08-12 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Radar decoded (in Just Math)
Posted on 2023-07-01 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Power to factorial (in Just Math) Rating: 4.00
Posted on 2023-08-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5What BIG is bigger? (in Just Math)
Posted on 2023-07-03 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5A positive determinant (in Just Math)
Posted on 2023-08-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Card rotation (in Just Math) Rating: 5.00
Posted on 2023-08-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Age function (in Just Math)
Posted on 2023-08-17 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Parabola triangle (in Just Math)
Posted on 2023-08-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Minimum distance between sets (in Just Math)
Posted on 2023-08-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A clock area (in Just Math)
Posted on 2023-08-23 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Find pairs by Euclid (in Just Math)
Posted on 2023-08-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Square off from rectangle (in Just Math) Rating: 4.00
Posted on 2023-08-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5lcm divided by gcd (in Just Math)
Posted on 2023-08-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Book page number (in Just Math)
Posted on 2023-08-29 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Given the Root, Find the Value (in Just Math) Rating: 5.00
Posted on 2024-03-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Some Factorials Equal Score Exponent (in Just Math) Rating: 5.00
Posted on 2024-04-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Given Product Equaling 1, Find the Square (in Just Math)
Posted on 2024-04-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Maharaja's diamonds (in Just Math) Rating: 5.00
Posted on 2023-07-17 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Derive a formula (in Just Math)
Posted on 2023-07-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Circle's convergence (in Just Math)
Posted on 2023-07-31 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 53 perfect squares (in Just Math) Rating: 3.00
Posted on 2023-08-01 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Explore a diophantine equation (in Just Math)
Posted on 2023-08-14 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Special demands (in Just Math)
Posted on 2023-10-02 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Side constraint for maximizing area (in Just Math)
Posted on 2023-09-04 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5The tangent formula (in Just Math) Rating: 4.00
Posted on 2023-09-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Is It Rational? (in Just Math)
Posted on 2023-09-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fractional side constraint (in Just Math)
Posted on 2023-09-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Symmetric expressions (in Just Math)
Posted on 2023-09-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Polynomial and exponential (in Just Math)
Posted on 2023-09-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5From the root of cubic polynomial (in Just Math) Rating: 4.50
Posted on 2023-09-16 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Golden sine (in Just Math) Rating: 4.00
Posted on 2023-09-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Easy KISS problem (in Just Math)
Posted on 2023-08-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Four Powers (in Just Math) Rating: 4.00
Posted on 2023-08-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5So many pairs... (in Just Math)
Posted on 2023-08-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Given Sum of fractions, Find the Minimum (in Just Math) Rating: 5.00
Posted on 2024-04-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find the real number (in Just Math) Rating: 5.00
Posted on 2024-04-25 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Given Reciprocal Sums, Find the Numbers (in Just Math)
Posted on 2024-04-29 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Only one real answer (in Just Math) Rating: 5.00
Posted on 2023-09-01 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Minimum of an expression (in Just Math) Rating: 4.00
Posted on 2023-09-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Given the terms, find the Fraction Value (in Just Math) Rating: 5.00
Posted on 2024-05-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A cubic equation (in Just Math) Rating: 4.00
Posted on 2023-09-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 53 unknowns (in Just Math)
Posted on 2023-09-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Some Quadratics Equals Linear (in Just Math)
Posted on 2024-11-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Given Reals, Find the Minimum (in Just Math) Rating: 5.00
Posted on 2024-05-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Real Crossed Exponential Puzzle (in Just Math) Rating: 5.00
Posted on 2024-05-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5(φ)^√2 and (√2)^φ (in Just Math) Rating: 3.00
Posted on 2024-05-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Given Linear Sum, Find the Sum of Exponents (in Just Math) Rating: 5.00
Posted on 2024-05-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Reversing Minute Hand Clock (in Just Math)
Posted on 2023-09-19 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Given the Sum, Find the Sum (in Just Math) Rating: 5.00
Posted on 2024-05-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Crossing the x axis (in Just Math)
Posted on 2023-09-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic equation relation (in Just Math)
Posted on 2023-10-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Math in letters 2 (in Just Math) Rating: 4.67
Posted on 2023-10-04 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Given Real Valued Function, Find the Value 3 (in Just Math)
Posted on 2024-06-15 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Prime power pair (in Just Math)
Posted on 2023-10-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Given Quadratic, Find Linear (in Just Math) Rating: 5.00
Posted on 2024-06-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5half power (in Just Math)
Posted on 2023-10-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Given the Sum, Find the Yearly Sum (in Just Math) Rating: 5.00
Posted on 2024-07-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Given system of Equations, Determine the Expression (in Just Math)
Posted on 2024-06-19 by K Sengupta (No Solution Yet, 30 Comments)
Difficulty: 3 of 5Multiplication Quickie (in Just Math) Rating: 4.00
Posted on 2024-06-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Solve Simultaneous System of Equations (in Just Math) Rating: 5.00
Posted on 2024-06-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cleverly Manipulating a 2018th Degree Equation. (in Just Math) Rating: 5.00
Posted on 2024-06-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Given the sum of sec and tan, Find the value of csc and cot (in Just Math) Rating: 5.00
Posted on 2023-10-27 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Real Solutions Forming an Arithmetic Sequence (in Just Math) Rating: 5.00
Posted on 2024-07-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5complex trigonometry (in Just Math)
Posted on 2023-11-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5LCM and Equality Puzzle 2 (in Just Math)
Posted on 2023-10-31 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A way to grow! (in Just Math)
Posted on 2023-11-06 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find all possible pairs (in Just Math)
Posted on 2023-11-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Smells Trigonometric (in Just Math)
Posted on 2023-11-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Prime pair (in Just Math)
Posted on 2023-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the Value of Inverse Expression Sum (in Just Math) Rating: 1.00
Posted on 2024-07-14 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Inflection Point Line (in Just Math)
Posted on 2023-11-24 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Power growth (in Just Math)
Posted on 2023-11-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the value of this expression (in Just Math) Rating: 5.00
Posted on 2024-07-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Nice System of Polynomial Equations (in Just Math) Rating: 5.00
Posted on 2024-07-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Minimum of a Real Valued Function (in Just Math) Rating: 5.00
Posted on 2024-07-10 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Rationalize the Denominator (in Just Math)
Posted on 2024-07-10 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Golden Mean vs Log (in Just Math) Rating: 5.00
Posted on 2024-07-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Don't Square this Equation (in Just Math)
Posted on 2023-12-04 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sliding Ladder (in Just Math)
Posted on 2024-07-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Ordered Triples Problem (in Just Math) Rating: 5.00
Posted on 2024-07-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Real Root Sum Solution (in Just Math)
Posted on 2024-07-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Quadratic Crossed 2 Distinct Real Numbers (in Just Math)
Posted on 2024-07-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadratic composition equation (in Just Math)
Posted on 2024-04-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Maximum of divisor contraints (in Just Math)
Posted on 2023-12-07 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cubic root cyclic summation (in Just Math)
Posted on 2023-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Extreme Fibonacci (in Just Math)
Posted on 2023-12-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Functional Finding (in Just Math)
Posted on 2023-12-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Consecutive cosines (in Just Math)
Posted on 2023-12-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cyclic maximization (in Just Math)
Posted on 2023-12-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A linear product equals 8ab (in Just Math)
Posted on 2024-08-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Watch your watch (in Just Math)
Posted on 2023-12-26 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Power and Inverse Power Sum (in Just Math)
Posted on 2024-08-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Square root and cubic root equality (in Just Math)
Posted on 2023-12-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Fibonacci sequence (in Just Math)
Posted on 2023-12-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All Possible Real Values of x (in Just Math)
Posted on 2024-08-17 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Two Mini-Pollies (in Just Math) Rating: 4.00
Posted on 2024-08-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5x powered equals square (in Just Math)
Posted on 2024-01-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Largest shadow of a cube (in Just Math)
Posted on 2024-01-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find tan from Real Roots (in Just Math)
Posted on 2024-08-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Quick fatorization (in Just Math)
Posted on 2024-01-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Equal and Greater (in Just Math)
Posted on 2024-08-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Power reversed pairs (in Just Math)
Posted on 2024-01-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quadratic Powered Quadratic (in Just Math) Rating: 4.00
Posted on 2024-01-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Capped down sequence (in Just Math)
Posted on 2024-01-20 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Differing Ratio Expression Exercise (in Just Math)
Posted on 2024-08-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Teacher's age (in Just Math)
Posted on 2024-01-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5How Many Matrices? (in Just Math)
Posted on 2024-08-30 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Many approaches to solve it (in Just Math)
Posted on 2024-01-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Solution to the System of Equations (in Just Math)
Posted on 2024-09-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Super power equation (in Just Math)
Posted on 2024-01-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Red and Blue chips (in Just Math)
Posted on 2024-01-28 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Picking boxes (in Just Math) Rating: 3.00
Posted on 2024-01-28 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Non existence root (in Just Math)
Posted on 2024-02-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Boston to London voyage (in Just Math)
Posted on 2024-01-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Doubly cube (in Just Math)
Posted on 2024-02-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Infinite reciprocal summation (in Just Math)
Posted on 2024-02-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Inradius as the GCD of sides (in Just Math) Rating: 4.00
Posted on 2024-02-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hyperbolic center (in Just Math)
Posted on 2024-02-06 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Equal cubic roots (in Just Math)
Posted on 2024-02-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5cosine equated to polynomial (in Just Math)
Posted on 2024-02-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Coordinate calculations (in Just Math) Rating: 4.00
Posted on 2024-02-15 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Polygon Perimeter (in Just Math)
Posted on 2024-02-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5An unlikely solution! (in Just Math)
Posted on 2024-02-21 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Equation enigma (in Just Math) Rating: 5.00
Posted on 2024-02-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Non Prime Integer Inquiry (in Just Math)
Posted on 2024-02-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Not equal but fair (in Just Math) Rating: 4.00
Posted on 2024-02-12 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 1 of 5Prime to perfect square (in Just Math)
Posted on 2024-03-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Top Trapezium (in Just Math)
Posted on 2024-04-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Altering Pickup Routine (in Just Math)
Posted on 2024-03-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Constrained triangle (in Just Math)
Posted on 2024-03-07 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Deciphering the Duel (in Just Math)
Posted on 2024-03-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Semi-1 number (in Just Math)
Posted on 2024-03-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sine square and cubes (in Just Math)
Posted on 2024-03-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Odd divisor summation (in Just Math)
Posted on 2024-03-21 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Some factorial and some power (in Just Math) Rating: 3.00
Posted on 2024-03-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Sum of distinct digit number (in Just Math) Rating: 3.00
Posted on 2024-03-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A Riddle for the Ages (in Just Math) Rating: 3.00
Posted on 2024-03-29 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Positive Definite Matrix (in Just Math)
Posted on 2024-09-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Mark 2n of the 1's (in Just Math)
Posted on 2024-09-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Par Million Digit Sum Delight (in Just Math)
Posted on 2024-06-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Primes in fraction (in Just Math)
Posted on 2024-04-05 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Floor Equation (in Just Math)
Posted on 2024-04-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Exploring Coprime Roots in Quadratic Equations (in Just Math)
Posted on 2024-04-09 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Graph and coordinate manipulation (in Just Math)
Posted on 2024-04-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Counting Trapeziums in Regular Polygons (in Just Math)
Posted on 2024-04-12 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5A Complex Geometrical Conundrum (in Just Math)
Posted on 2024-04-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The tricky substitution (in Just Math)
Posted on 2024-04-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A quick inverse (in Just Math)
Posted on 2024-04-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Complex Roots Unleashed (in Just Math)
Posted on 2024-04-23 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Cubic relationship (in Just Math)
Posted on 2024-04-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Inverting odd powers (in Just Math)
Posted on 2024-04-29 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Seeking the middle term (in Just Math)
Posted on 2024-05-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Parabola and Circle Dance (in Just Math)
Posted on 2024-05-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A prime GCD adventure (in Just Math) Rating: 5.00
Posted on 2024-05-03 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Roots and products (in Just Math)
Posted on 2024-05-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Outside the Pentagon (in Just Math)
Posted on 2024-05-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Hours of Work (in Just Math)
Posted on 2024-05-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cubics Collide (in Just Math)
Posted on 2024-05-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Four Square Sum (in Just Math)
Posted on 2024-05-07 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Prime power divisibility (in Just Math) Rating: 5.00
Posted on 2024-10-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Roots in modified fractions (in Just Math)
Posted on 2024-05-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Exploring Parity Patterns (in Just Math)
Posted on 2024-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Exploring Brahmagupta's Formula (in Just Math)
Posted on 2024-05-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Consecutive Side Conundrum (in Just Math)
Posted on 2024-05-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Absolute Rational Relations (in Just Math) Rating: 4.00
Posted on 2024-05-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Permutations and Remainders (in Just Math)
Posted on 2024-05-17 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Flat Floor Function (in Just Math)
Posted on 2024-05-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Skating Dynamics (in Just Math)
Posted on 2024-05-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Odd Determinants of a Square Array (in Just Math)
Posted on 2024-05-29 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Functional composition equation (in Just Math)
Posted on 2024-05-30 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A point in a hexagon (in Just Math)
Posted on 2024-06-03 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Bella's Fruitful Week (in Just Math)
Posted on 2024-05-31 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Square-sum fraction (in Just Math)
Posted on 2024-06-04 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Find the value of x*y (in Just Math) Rating: 5.00
Posted on 2024-09-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Complex heptagon (in Just Math)
Posted on 2024-06-06 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5The Case of the Powerful 2 and 3 (in Just Math)
Posted on 2024-06-07 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Island Dining Drama (in Just Math)
Posted on 2024-06-11 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Maximizing Complex Ratios (in Just Math)
Posted on 2024-06-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Integer and fractional part (in Just Math)
Posted on 2024-06-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Sine River 2 (in Just Math)
Posted on 2024-06-17 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Squares Sum Challenge (in Just Math)
Posted on 2024-06-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Minimizing Integral Quadratic Expression (in Just Math)
Posted on 2024-06-18 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quad Circles in Triangles (in Just Math)
Posted on 2024-06-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Fractional Expressions (in Just Math) Rating: 2.00
Posted on 2024-06-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Parity Dance (in Just Math)
Posted on 2024-06-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Shared roots from a quadratic (in Just Math) Rating: 3.00
Posted on 2024-06-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pascal coefficient remainders (in Just Math)
Posted on 2024-06-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Zero Sum Cubic Puzzle (in Just Math)
Posted on 2024-06-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Logarithmic Inequality Interplay (in Just Math)
Posted on 2024-06-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cosine Inequality Challenge (in Just Math)
Posted on 2024-06-30 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prime Symphony (in Just Math) Rating: 4.00
Posted on 2024-07-01 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Unraveling the Trio of Reciprocal Relations (in Just Math)
Posted on 2024-07-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Alternating Sum of Consecutive Odd and Even Products (in Just Math)
Posted on 2024-07-07 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Roots Running Above 2 (in Just Math)
Posted on 2024-07-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Recurrent Sequence Riddles (in Just Math)
Posted on 2024-07-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Locus Exploration in Rhombus Realms (in Just Math)
Posted on 2024-07-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Split Shape (in Just Math)
Posted on 2024-07-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Tercentenary Triangle (in Just Math)
Posted on 2024-07-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Not A Prime! (in Just Math)
Posted on 2024-07-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A Racing Riddle (in Just Math)
Posted on 2024-07-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 52 and 3 power sum (in Just Math)
Posted on 2024-07-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Circle Search (in Just Math)
Posted on 2024-07-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Squexagon! (in Just Math)
Posted on 2024-07-22 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Simplifying Surds (in Just Math)
Posted on 2024-07-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime factorization (in Just Math) Rating: 5.00
Posted on 2024-07-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5 A Difference of Powers (in Just Math) Rating: 3.00
Posted on 2024-07-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Chatty Classmates (in Just Math)
Posted on 2024-07-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find Four Factors (in Just Math)
Posted on 2024-08-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Progression Roots (in Just Math)
Posted on 2024-08-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Freddy's Footpath (in Just Math)
Posted on 2024-08-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Spider Cube (in Just Math)
Posted on 2024-08-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quadrilaterally Intersecting Triangles (in Just Math) Rating: 5.00
Posted on 2024-08-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Diophantine Prime Pairs (in Just Math)
Posted on 2024-08-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sextic Polynomial Inequality (in Just Math)
Posted on 2024-08-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Golden Ratio Divisibility (in Just Math)
Posted on 2024-08-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Coefficients (in Just Math)
Posted on 2024-08-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic and Geometric Progressions in Cubic (in Just Math)
Posted on 2024-08-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A Unit Magnitude (in Just Math)
Posted on 2024-08-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Polynomial Elegance (in Just Math) Rating: 5.00
Posted on 2024-08-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Exponentially Ascending (in Just Math)
Posted on 2024-08-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Biquadric Radical Revelations (in Just Math)
Posted on 2024-08-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Optimizing Inscribed Rectangle (in Just Math)
Posted on 2024-08-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Trigonometric Exponentiation Equation (in Just Math)
Posted on 2024-08-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ranking Matrix (in Just Math)
Posted on 2024-08-27 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Everything in range (in Just Math)
Posted on 2024-08-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The Quartic Condition (in Just Math)
Posted on 2024-09-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Four Intersections (in Just Math)
Posted on 2024-09-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A Square in the First Quadrant (in Just Math)
Posted on 2024-08-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Twice ten plus forty (in Just Math) Rating: 5.00
Posted on 2024-01-31 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Primality and Divisibility (in Just Math)
Posted on 2024-09-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5 Arc Ratios (in Just Math)
Posted on 2024-09-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Integer Division (in Just Math)
Posted on 2024-09-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Product of consecutive (in Just Math)
Posted on 2024-09-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Reals of Symmetric Equations (in Just Math)
Posted on 2024-09-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digit Sum Dilemma (in Just Math) Rating: 5.00
Posted on 2024-09-15 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Floor in floor equation (in Just Math)
Posted on 2024-09-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5How Many 21's (in Just Math)
Posted on 2024-09-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Touching conics (in Just Math)
Posted on 2024-09-20 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Inequality Equation Encounters (in Just Math)
Posted on 2024-09-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Loggy Triangle? (in Just Math)
Posted on 2024-02-08 by Kenny M (Solution Posted, 4 Comments)
Difficulty: 3 of 5Divisible Digits (in Just Math)
Posted on 2024-09-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Decimal Digging (in Just Math)
Posted on 2024-09-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A Common Zero (in Just Math)
Posted on 2024-09-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Find the value of a (in Just Math)
Posted on 2024-09-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Define the members of S (in Just Math)
Posted on 2024-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Equal averages (in Just Math) Rating: 3.00
Posted on 2024-02-24 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Evaluate the smallest value (in Just Math)
Posted on 2024-03-09 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Derivative Descriminant (in Just Math)
Posted on 2024-09-22 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Helping without trig (in Just Math)
Posted on 2024-02-19 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5 Averaging factorials (in Just Math)
Posted on 2024-03-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5No business like your business (in Just Math)
Posted on 2024-03-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Minimizing ones (in Just Math) Rating: 5.00
Posted on 2024-03-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5No squareless triplets (in Just Math)
Posted on 2024-03-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Maximizing products (in Just Math)
Posted on 2024-03-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Squeeze in II (in Just Math)
Posted on 2024-04-01 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Evaluate area (in Just Math)
Posted on 2024-03-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Find the formula (in Just Math)
Posted on 2024-04-10 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Prime from absolute expression (in Just Math)
Posted on 2024-09-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5 Divisibility Consequence in Integer Polynomials (in Just Math)
Posted on 2024-09-23 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Limiting real roots count (in Just Math)
Posted on 2024-09-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric rotation (in Just Math)
Posted on 2024-10-02 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Endpoint Rotation Paradox (in Just Math)
Posted on 2024-10-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Maximum Determinant (in Just Math)
Posted on 2024-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quadratic-Sine Equation (in Just Math)
Posted on 2024-10-06 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Find |A-I|^(-1) (in Just Math)
Posted on 2024-10-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Ratio of Expressions is 193/144 (in Just Math)
Posted on 2024-10-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Another Floor Equation (in Just Math)
Posted on 2024-10-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Counting Partitions (in Just Math)
Posted on 2024-03-21 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Determine the value of (in Just Math)
Posted on 2024-10-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5A cube within a cone (in Just Math) Rating: 4.00
Posted on 2024-04-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Find All Possible Roots (in Just Math)
Posted on 2024-10-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mixed Set of Radical and Cubic Equation (in Just Math)
Posted on 2024-10-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Solve The Following 3 Equations (in Just Math)
Posted on 2024-10-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Last Four Digits (in Just Math) Rating: 5.00
Posted on 2024-04-17 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Set of 2 Radical Equations (in Just Math)
Posted on 2024-10-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Solving Nested Radical Equation (in Just Math)
Posted on 2024-10-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Given the Ratio of Radicals, Find the Expression (in Just Math)
Posted on 2024-10-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Rectangle Riddle (in Just Math)
Posted on 2024-10-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Minimal trigo function (in Just Math)
Posted on 2024-10-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Complex modulus inequality (in Just Math)
Posted on 2024-10-08 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Symmetric polynomial factorization (in Just Math)
Posted on 2024-10-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cube rooted equation (in Just Math)
Posted on 2024-10-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Increasing and decreasing sides (in Just Math)
Posted on 2024-10-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The realm of quadratics (in Just Math)
Posted on 2024-10-18 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Harmonic Pursuits (in Just Math)
Posted on 2024-10-21 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Optimizing rations (in Just Math)
Posted on 2024-11-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Combined geometric sequences (in Just Math)
Posted on 2024-11-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tan products (in Just Math)
Posted on 2024-11-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Circular Chase (in Just Math)
Posted on 2024-11-06 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Conic discriminant (in Just Math)
Posted on 2024-11-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Crafting polynomial (in Just Math)
Posted on 2024-11-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Complex sequence (in Just Math)
Posted on 2024-11-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A reducible expression (in Just Math)
Posted on 2024-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5System Solution Sum (in Just Math) Rating: 5.00
Posted on 2024-11-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Recursive roots (in Just Math)
Posted on 2024-11-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Absolute of complex conjugates (in Just Math)
Posted on 2024-11-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Reciprocated quadratic roots (in Just Math)
Posted on 2024-11-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A GCD and LCM equation (in Just Math)
Posted on 2024-11-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Functional composition equation (in Just Math)
Posted on 2024-11-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Root Rejection (in Just Math)
Posted on 2024-11-28 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5coefficients from real roots (in Just Math)
Posted on 2024-11-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fifth composition roots (in Just Math)
Posted on 2024-12-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integral chords (in Just Math)
Posted on 2024-12-06 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5From AP to cubes (in Just Math)
Posted on 2024-12-07 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rational Algebraic Expressions Problem (in Just Math)
Posted on 2024-10-25 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Complex conic (in Just Math)
Posted on 2024-12-11 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Secretly multiple (in Just Math)
Posted on 2024-12-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Ellipse center (in Just Math)
Posted on 2024-12-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Symmetric matrix function (in Just Math)
Posted on 2024-12-20 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Lattice in parallelogram (in Just Math)
Posted on 2024-12-21 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Closest to 1 (in Just Math)
Posted on 2024-12-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cyclic cubic summation (in Just Math)
Posted on 2024-12-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Some Real Numbers Sum 14 (in Just Math)
Posted on 2024-11-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the Quadratic Value (in Just Math)
Posted on 2024-11-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fraction^Fraction (in Just Math)
Posted on 2024-11-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Function Challenge #2 (in Just Math)
Posted on 2024-11-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Irrational or Rational (in Just Math)
Posted on 2024-11-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Trigonometric relationship #2 (in Just Math) Rating: 5.00
Posted on 2024-11-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Shopping For Used Cars (in Just Math)
Posted on 2024-12-10 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Prime gaps (in Just Math)
Posted on 2024-12-24 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 54 basic operations (in Just Math) Rating: 5.00
Posted on 2024-05-21 by Ady TZIDON (Solution Posted, 10 Comments)
Difficulty: 3 of 5Product in calendar (in Just Math) Rating: 4.00
Posted on 2024-05-27 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sine River (in Just Math)
Posted on 2024-06-14 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Factorial Removal Remix (in Just Math) Rating: 4.00
Posted on 2024-11-29 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Maximum Value (in Calculus) Rating: 3.29
Posted on 2002-06-19 by vohonam (Solution Posted, 19 Comments)
Difficulty: 5 of 5Minimum Value (in Calculus) Rating: 3.25
Posted on 2002-06-19 by vohonam (Solution Posted, 18 Comments)
Difficulty: 4 of 5Funny Stuff ! (in Calculus) Rating: 3.43
Posted on 2002-06-20 by vohonam (Solution Posted, 19 Comments)
Difficulty: 3 of 5Definite Integral (in Calculus) Rating: 3.00
Posted on 2002-08-06 by Cheradenine (Solution Posted, 15 Comments)
Difficulty: 2 of 5Enough Rope to Shoot Yourself in the Foot (in Calculus) Rating: 3.00
Posted on 2002-12-22 by friedlinguini (Solution Posted, 12 Comments)
Difficulty: 4 of 5A Floating Ball (in Calculus) Rating: 2.80
Posted on 2003-04-04 by Bryan (Solution Posted, 7 Comments)
Difficulty: 4 of 5The Peculiar Pillar (in Calculus) Rating: 4.00
Posted on 2003-04-15 by Bryan (Solution Posted, 13 Comments)
Difficulty: 5 of 5Let it Snow (in Calculus) Rating: 4.38
Posted on 2003-06-05 by DJ (Solution Posted, 13 Comments)
Difficulty: 4 of 5The wheels on the bus go.. (in Calculus) Rating: 4.36
Posted on 2003-06-23 by DJ (Solution Posted, 10 Comments)
Difficulty: 3 of 5Cut Wire (in Calculus)
Posted on 2005-05-20 by Bractals (Solution Posted, 7 Comments)
Difficulty: 5 of 5Spheres in 4-D (in Calculus) Rating: 3.20
Posted on 2003-12-20 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 5 of 5Function(Function()) Finding (in Calculus) Rating: 3.17
Posted on 2005-02-02 by Old Original Oskar! (Solution Posted, 15 Comments)
Difficulty: 3 of 5Unequally Unintegrally Yoked (in Calculus) Rating: 3.67
Posted on 2005-04-24 by Steve Herman (Solution Posted, 10 Comments)
Difficulty: 4 of 5Hole in a bead (in Calculus) Rating: 3.09
Posted on 2004-08-21 by Pieater (Solution Posted, 13 Comments)
Difficulty: 3 of 5Powers of powers (in Calculus) Rating: 4.10
Posted on 2004-05-11 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 5Moving Day (in Calculus) Rating: 3.83
Posted on 2004-05-26 by Brian Smith (Solution Posted, 32 Comments)
Difficulty: 2 of 5Yet Another 0=1 (in Calculus) Rating: 2.00
Posted on 2004-07-08 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 3 of 5Step Function (in Calculus) Rating: 5.00
Posted on 2004-07-07 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 4 of 5Inverted powers (in Calculus) Rating: 4.00
Posted on 2004-08-10 by Federico Kereki (Solution Posted, 2 Comments)
Difficulty: 3 of 5Summing inverses (in Calculus) Rating: 4.00
Posted on 2004-08-19 by Federico Kereki (Solution Posted, 18 Comments)
Difficulty: 4 of 5Desperately Difficult Derivative (in Calculus) Rating: 3.80
Posted on 2005-03-30 by Old Original Oskar! (Solution Posted, 10 Comments)
Difficulty: 5 of 5The Watchdog (in Calculus) Rating: 3.40
Posted on 2004-10-28 by Erik O. (Solution Posted, 29 Comments)
Difficulty: 3 of 5What's wrong with CDs? (in Calculus) Rating: 4.00
Posted on 2005-03-30 by Erik O. (Solution Posted, 11 Comments)
Difficulty: 3 of 5An ingenious evaluation (in Calculus) Rating: 2.00
Posted on 2005-06-26 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 4 of 5A prime factorization problem (in Calculus) Rating: 4.00
Posted on 2006-08-07 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Get Sum Value (in Calculus) Rating: 2.50
Posted on 2007-12-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Look Ma, no integrals! (in Calculus) Rating: 3.75
Posted on 2006-05-02 by Federico Kereki (Solution Posted, 14 Comments)
Difficulty: 4 of 5Strange sequence (in Calculus) Rating: 3.17
Posted on 2005-11-15 by e.g. (Solution Posted, 9 Comments)
Difficulty: 3 of 5Not shaken, not stirred, but stable. (in Calculus) Rating: 2.00
Posted on 2005-09-10 by Jer (Solution Posted, 6 Comments)
Difficulty: 4 of 5Trigonometry nest (in Calculus) Rating: 3.83
Posted on 2005-08-12 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 2 of 5Circle's Limit (in Calculus) Rating: 3.00
Posted on 2006-01-13 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5Only briefly continuous (in Calculus) Rating: 3.50
Posted on 2005-12-15 by Tristan (Solution Posted, 12 Comments)
Difficulty: 3 of 5Maximum Triangle (in Calculus) Rating: 2.20
Posted on 2005-09-19 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5A Definite Integral Problem (in Calculus) Rating: 4.00
Posted on 2006-08-10 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Repeated Root Research (in Calculus) Rating: 3.67
Posted on 2006-05-08 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 1 of 5Inequality (in Calculus)
Posted on 2006-08-03 by atheron (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Bouncy Bouncy part 2 (in Calculus) Rating: 4.50
Posted on 2006-02-10 by Jer (Solution Posted, 15 Comments)
Difficulty: 3 of 5Gone Fishin' (in Calculus) Rating: 3.67
Posted on 2005-12-05 by Dan (Solution Posted, 6 Comments)
Difficulty: 3 of 5Cylindrical Slice (in Calculus)
Posted on 2005-11-25 by Brian Smith (Solution Posted, 14 Comments)
Difficulty: 3 of 5Product Rule (in Calculus) Rating: 4.00
Posted on 2005-11-30 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5A Power Problem (in Calculus)
Posted on 2006-09-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5All things being fair. (in Calculus) Rating: 3.50
Posted on 2005-12-30 by Dan (Solution Posted, 6 Comments)
Difficulty: 5 of 5A Self Intersecting Curve (in Calculus) Rating: 4.50
Posted on 2005-12-16 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 4 of 5An Inverse Evaluation (in Calculus) Rating: 4.00
Posted on 2006-05-25 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Weird function challenge (in Calculus) Rating: 4.30
Posted on 2006-08-15 by JLo (Solution Posted, 33 Comments)
Difficulty: 5 of 5Weird Function Challenge II (in Calculus)
Posted on 2006-10-01 by JLo (Solution Posted, 11 Comments)
Difficulty: 2 of 5A Vanishing Polynomial Problem (in Calculus) Rating: 2.67
Posted on 2007-01-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 5 of 5Super-smooth hump (in Calculus) Rating: 4.33
Posted on 2006-10-24 by vswitchs (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Some other kind of root extraction (in Calculus) Rating: 4.25
Posted on 2006-11-07 by JLo (Solution Posted, 10 Comments)
Difficulty: 3 of 5A Further Function Puzzle (in Calculus) Rating: 3.50
Posted on 2007-01-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Subtract Half, Get GI? (in Calculus) Rating: 2.00
Posted on 2007-03-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Multiply together, get Euler? (in Calculus) Rating: 3.50
Posted on 2007-04-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Minimum perpendicular (in Calculus) Rating: 2.67
Posted on 2007-05-09 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Only one, one, one (in Calculus) Rating: 4.50
Posted on 2007-05-30 by Federico Kereki (Solution Posted, 5 Comments)
Difficulty: 3 of 5Equal Maxes (in Calculus) Rating: 3.00
Posted on 2007-06-12 by Larry (Solution Posted, 7 Comments)
Difficulty: 2 of 5Polynomial Divisions (in Calculus) Rating: 3.20
Posted on 2007-08-13 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Multiply The Derivatives, Get Polynomial (in Calculus) Rating: 3.20
Posted on 2007-09-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Linear and quadratic (in Calculus) Rating: 3.00
Posted on 2007-10-23 by Kurious (Solution Posted, 9 Comments)
Difficulty: 2 of 5Empowered Integral (in Calculus) Rating: 2.00
Posted on 2007-10-12 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5One, Two, Three, Floor Integral (in Calculus) Rating: 4.00
Posted on 2007-11-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Equate The Integrals, Get Constant (in Calculus) Rating: 2.50
Posted on 2007-10-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Empower And Reciprocate (in Calculus) Rating: 3.00
Posted on 2007-11-24 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Getting Natural With Pi (in Calculus) Rating: 3.00
Posted on 2007-11-27 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Exponentiate Negatively, Get Value (in Calculus) Rating: 3.00
Posted on 2007-12-24 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Exponential And Natural (in Calculus)
Posted on 2008-01-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Integrate The Product (in Calculus) Rating: 3.00
Posted on 2008-01-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Getting Cubic With Limits (in Calculus) Rating: 4.00
Posted on 2008-02-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Derivative, Integral And Value Puzzle (in Calculus) Rating: 3.50
Posted on 2008-02-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Find The Value (in Calculus) Rating: 3.33
Posted on 2008-01-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Three Point Cubic (in Calculus) Rating: 4.00
Posted on 2008-01-10 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5Absolutely Greatest (in Calculus) Rating: 2.00
Posted on 2008-04-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Empowering Inverse Products (in Calculus) Rating: 2.00
Posted on 2008-06-02 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 1 of 5Going Geometric With The Limit (in Calculus) Rating: 2.00
Posted on 2008-03-26 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5ABC's Of Greatest Power (in Calculus) Rating: 5.00
Posted on 2008-05-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Rooting For The Limit (in Calculus) Rating: 3.50
Posted on 2008-04-23 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5What a difference two roots make ! (in Calculus) Rating: 5.00
Posted on 2008-05-24 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Evaluate this infinite product (in Calculus) Rating: 5.00
Posted on 2008-06-05 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5The horse and the grass field (in Calculus) Rating: 4.00
Posted on 2008-06-15 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 1 of 5Evenly Periodic (in Calculus) Rating: 2.00
Posted on 2008-06-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Absolutely Different (in Calculus) Rating: 5.00
Posted on 2008-07-24 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Double differential equation (in Calculus) Rating: 3.33
Posted on 2008-06-26 by Jonathan Lindgren (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime suspect (in Calculus)
Posted on 2008-08-31 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Floors and decimals integral (in Calculus) Rating: 3.00
Posted on 2008-07-06 by Jonathan Lindgren (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Inversely Integrating An Inverse (in Calculus) Rating: 3.00
Posted on 2008-10-15 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5The farmer and the pig (in Calculus)
Posted on 2008-11-13 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 3 of 5Minimum time (in Calculus) Rating: 4.33
Posted on 2008-12-04 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 2 of 5Edgy Integral (in Calculus) Rating: 4.67
Posted on 2009-03-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Colorful Integral (in Calculus)
Posted on 2009-07-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Getting Natural With Sine (in Calculus) Rating: 5.00
Posted on 2009-05-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Derivative chains. (in Calculus)
Posted on 2009-03-29 by Jer (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Dimensions of a box (in Calculus)
Posted on 2009-05-15 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Getting Powerful With Euler (in Calculus) Rating: 5.00
Posted on 2009-07-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Worldly Integral (in Calculus) Rating: 5.00
Posted on 2009-09-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Random x Random (in Calculus) Rating: 4.00
Posted on 2009-08-17 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Delicate Derivative Derivation (in Calculus) Rating: 3.50
Posted on 2009-12-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Getting Powerful With Euler II (in Calculus) Rating: 5.00
Posted on 2009-11-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Limiting Mean (in Calculus) Rating: 5.00
Posted on 2010-03-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Rooting For The Limit II (in Calculus) Rating: 5.00
Posted on 2009-11-26 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Simply Sliced Sine (in Calculus) Rating: 5.00
Posted on 2010-01-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Getting Natural With Derivative And Integral (in Calculus) Rating: 4.00
Posted on 2010-02-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5A Normal and a Parabola (in Calculus)
Posted on 2009-12-02 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Eccentric Integral (in Calculus) Rating: 5.00
Posted on 2010-02-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Delicate Derivative Derivation II (in Calculus) Rating: 3.00
Posted on 2010-08-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Limiting Mean part 2 (in Calculus) Rating: 1.00
Posted on 2010-03-10 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Limiting Mean part 3 (in Calculus)
Posted on 2010-03-14 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Three circles (in Calculus) Rating: 5.00
Posted on 2010-09-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Double Definite Dilemma (in Calculus) Rating: 3.00
Posted on 2011-03-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Limiting Ratio (in Calculus)
Posted on 2011-04-22 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Fun Function (in Calculus)
Posted on 2010-11-23 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floors and decimals integral II (in Calculus)
Posted on 2011-07-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5e^(e^x) (in Calculus)
Posted on 2011-02-08 by Math Man (Solution Posted, 5 Comments)
Difficulty: 3 of 5Concavity (in Calculus) Rating: 4.00
Posted on 2014-08-26 by Dustin (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Powering Up the Root (in Calculus) Rating: 3.50
Posted on 2011-09-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cubic Quandary (in Calculus) Rating: 4.00
Posted on 2014-09-13 by Dustin (No Solution Yet, 2 Comments)
Difficulty: 3 of 5To and fro (in Calculus)
Posted on 2011-11-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5I can see the origin from here. (in Calculus)
Posted on 2012-03-11 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Floor Limit (in Calculus)
Posted on 2014-05-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 5 of 5Spherical shelter 3 (in Calculus) Rating: 4.00
Posted on 2012-05-27 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor and Absolute (in Calculus) Rating: 5.00
Posted on 2012-08-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Derivative (Integral) = Integral (Derivative)? (in Calculus) Rating: 2.50
Posted on 2012-10-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Spherical shelter 2 (in Calculus)
Posted on 2012-05-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Intriguing Integral Illation (in Calculus) Rating: 5.00
Posted on 2013-03-02 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Integrable Nest (in Calculus)
Posted on 2013-08-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sequence Limit (in Calculus)
Posted on 2013-09-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Circles & Parabola (in Calculus)
Posted on 2013-07-13 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5A Funny Function (in Calculus) Rating: 4.00
Posted on 2013-08-01 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Pascal's e (in Calculus)
Posted on 2013-05-29 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Minimize Angle (in Calculus)
Posted on 2013-11-30 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Intriguing Integral Illation II (in Calculus)
Posted on 2014-04-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Get a good look (in Calculus)
Posted on 2014-02-18 by Jer (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Limiting Ratio II (in Calculus)
Posted on 2014-04-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Derivative Point Determination (in Calculus)
Posted on 2015-01-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Defrosting the Cone (in Calculus) Rating: 3.00
Posted on 2014-10-02 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Factorial Ratio Sum Puzzle (in Calculus) Rating: 5.00
Posted on 2015-08-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Expression Ratio Limit (in Calculus)
Posted on 2015-10-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum ArcTan Limit (in Calculus) Rating: 4.50
Posted on 2016-05-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Protecting the fleet Part E. (in Calculus) Rating: 4.00
Posted on 2015-12-23 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Non-Reintersecting Tangent (in Calculus) Rating: 3.00
Posted on 2016-02-24 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quartic Questions (in Calculus) Rating: 4.00
Posted on 2016-04-13 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 2 of 5composite function (in Calculus) Rating: 3.00
Posted on 2016-11-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Almost Pythagorean Theorem (in Calculus) Rating: 3.00
Posted on 2017-02-03 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sphere-Cone (in Calculus) Rating: 3.00
Posted on 2016-12-25 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5A better approximate Pythagorean Theorem (in Calculus)
Posted on 2017-02-08 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find a Few Functions (in Calculus) Rating: 4.00
Posted on 2018-04-15 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5When polynomial and trigo unite! (in Calculus)
Posted on 2018-04-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Roll away (in Calculus)
Posted on 2018-08-15 by Jer (No Solution Yet, 5 Comments)
Difficulty: 5 of 5Ant highway with energy loss (in Calculus)
Posted on 2018-08-24 by Jer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Sine of Squared (in Calculus) Rating: 5.00
Posted on 2018-11-15 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Mean Diagonals (in Calculus)
Posted on 2018-11-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Distance squared (in Calculus)
Posted on 2018-11-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Outfoxing a fox (in Calculus)
Posted on 2019-02-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A Circle Between the Bell Curves (in Calculus)
Posted on 2018-12-23 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mean the roots (in Calculus)
Posted on 2019-03-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Calculus in the interval (in Calculus)
Posted on 2019-03-28 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Differentiated function (in Calculus)
Posted on 2019-06-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Quick integral (in Calculus) Rating: 2.00
Posted on 2019-07-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Maximum end point value (in Calculus)
Posted on 2019-07-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The powers and the exponent (in Calculus)
Posted on 2019-05-01 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Congruency in calculus (in Calculus) Rating: 3.00
Posted on 2019-11-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The cute substitution (in Calculus)
Posted on 2019-12-13 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 5 of 5Hard Reciprocal Sum (in Calculus)
Posted on 2020-03-13 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Monotonic Function Decomposition (in Calculus)
Posted on 2020-04-08 by JLo (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Maximal of a function (in Calculus)
Posted on 2020-11-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two slopes out of three (in Calculus) Rating: 5.00
Posted on 2020-09-18 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Circular area minimized (in Calculus)
Posted on 2020-12-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5An increasing function equation (in Calculus) Rating: 3.00
Posted on 2021-01-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5differentiability in functions (in Calculus)
Posted on 2021-02-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Wholesum continuity and differentiability (in Calculus)
Posted on 2021-11-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Strictly monotonic (in Calculus)
Posted on 2021-03-05 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Derivative inequation (in Calculus)
Posted on 2021-08-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Unwinding a rope (in Calculus) Rating: 1.00
Posted on 2021-07-13 by Jer (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Partially illuminated cone (in Calculus) Rating: 5.00
Posted on 2021-11-12 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Partially illuminated cylinder (in Calculus) Rating: 5.00
Posted on 2021-11-03 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Differentiation Crossed Inverse Derivation (in Calculus) Rating: 4.00
Posted on 2021-12-03 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Calculating the Inverse Rule (in Calculus) Rating: 4.00
Posted on 2021-11-26 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sawtooth Limit Settlement (in Calculus) Rating: 5.00
Posted on 2022-11-17 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Special Cubic Tangent (in Calculus) Rating: 4.00
Posted on 2021-12-24 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 2 of 5An Olympic trial (in Calculus) Rating: 4.00
Posted on 2022-03-01 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Interesting Integral Illation (in Calculus) Rating: 5.00
Posted on 2023-04-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5One, Two, Three, Floor Integral 2 (in Calculus) Rating: 4.00
Posted on 2022-09-20 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Complex looking simple integral (in Calculus) Rating: 5.00
Posted on 2023-05-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum Exponent Ratio Evaluation (in Calculus) Rating: 5.00
Posted on 2023-05-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5Definite Crossed Expression Ratio Evaluation (in Calculus) Rating: 5.00
Posted on 2023-06-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Given Multiderivative Function, Find the value (in Calculus) Rating: 5.00
Posted on 2023-06-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Exponential and Natural 2 (in Calculus) Rating: 5.00
Posted on 2023-11-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5Finding 2022nd derivative (in Calculus)
Posted on 2023-07-07 by K Sengupta (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Unit square overlap I (in Calculus)
Posted on 2023-05-12 by Jer (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Unit square overlap II (in Calculus)
Posted on 2023-05-18 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5100 times a Sawtooth Integral (in Calculus) Rating: 5.00
Posted on 2023-12-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Integrate Expression Ratios (in Calculus) Rating: 5.00
Posted on 2023-12-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Finding the Function (in Calculus) Rating: 5.00
Posted on 2023-12-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Vigorous derivative? (in Calculus)
Posted on 2023-06-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find This Limit (in Calculus) Rating: 5.00
Posted on 2024-03-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Intermediate between two functions (in Calculus)
Posted on 2023-08-31 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Maximize Rectangle on Semicircle in Triangle (in Calculus)
Posted on 2023-08-08 by Larry (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Find Function, Given that the Sum is Quartic (in Calculus) Rating: 5.00
Posted on 2024-05-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Given the Expression, Find the Function (in Calculus) Rating: 5.00
Posted on 2024-05-24 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Divide by 2 indefinitely, get result (in Calculus) Rating: 5.00
Posted on 2024-06-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Curvey Weirdness (in Calculus)
Posted on 2023-10-05 by Kenny M (Solution Posted, 2 Comments)
Difficulty: 3 of 5Given Functional Equation, Find the Derivative (in Calculus)
Posted on 2024-06-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Back to derivative basics (in Calculus)
Posted on 2024-01-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Shift in perspective (in Calculus) Rating: 2.00
Posted on 2024-01-25 by Danish Ahmed Khan (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Try integration (in Calculus)
Posted on 2024-02-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unit square overlap III (in Calculus)
Posted on 2024-07-03 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5One, Two, Three, Floor Integral #3 (in Calculus)
Posted on 2024-09-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Ellipse covered by 2 circles (in Calculus)
Posted on 2024-02-21 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5How Fast is the Surface Area Increasing? (in Calculus)
Posted on 2024-10-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Second derivative of a cosine product (in Calculus) Rating: 5.00
Posted on 2024-02-27 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Triple composite integral (in Calculus)
Posted on 2024-10-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Odd polynomial integration (in Calculus)
Posted on 2024-10-13 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Curve with dynamic slopes (in Calculus)
Posted on 2024-10-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A tear drop (in Calculus)
Posted on 2024-12-14 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A neat integral puzzle (in Calculus)
Posted on 2024-11-26 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 5 of 5Measure that angle (in Geometry) Rating: 4.20
Posted on 2002-06-18 by vohonam (Solution Posted, 59 Comments)
Difficulty: 5 of 5Angle Trisection (in Geometry) Rating: 3.89
Posted on 2002-06-19 by vohonam (Solution Posted, 29 Comments)
Difficulty: 3 of 5The Unknown Side (in Geometry) Rating: 2.91
Posted on 2002-07-01 by Dulanjana (Solution Posted, 16 Comments)
Difficulty: 4 of 5Circular Logic II (in Geometry) Rating: 3.00
Posted on 2002-07-19 by TomM (Solution Posted, 3 Comments)
Difficulty: 3 of 5Math on the playground (in Geometry) Rating: 3.29
Posted on 2002-08-02 by Dulanjana (Solution Posted, 7 Comments)
Difficulty: 3 of 5String around the Cylinder (in Geometry) Rating: 3.36
Posted on 2002-08-09 by Happy (Solution Posted, 6 Comments)
Difficulty: 3 of 5Lotta Yotta (in Geometry) Rating: 3.00
Posted on 2002-10-13 by jusgre (Solution Posted, 6 Comments)
Difficulty: 5 of 5Quarter intersection Problem (in Geometry) Rating: 4.07
Posted on 2002-10-30 by Dulanjana (Solution Posted, 10 Comments)
Difficulty: 4 of 5Big Circle, Little Circle (in Geometry) Rating: 3.55
Posted on 2002-11-03 by Dulanjana (Solution Posted, 16 Comments)
Difficulty: 5 of 5Special triangle in any triangle (in Geometry) Rating: 4.00
Posted on 2002-11-05 by Dulanjana (Solution Posted, 20 Comments)
Difficulty: 4 of 5Square wheels? (in Geometry) Rating: 3.67
Posted on 2002-11-15 by danny (Solution Posted, 31 Comments)
Difficulty: 3 of 5Chessboard Puzzle (in Geometry) Rating: 2.63
Posted on 2002-11-17 by maverick (Solution Posted, 4 Comments)
Difficulty: 3 of 5Resting Sphere (in Geometry) Rating: 3.50
Posted on 2003-09-13 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 5 of 5Regular Pentagon (Classic) (in Geometry) Rating: 3.00
Posted on 2003-05-15 by Fernando (Solution Posted, 17 Comments)
Difficulty: 3 of 5Equilateral Triangle (in Geometry) Rating: 4.00
Posted on 2003-12-18 by Ravi Raja (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Two Spheres (in Geometry) Rating: 2.50
Posted on 2003-09-24 by Ravi Raja (Solution Posted, 7 Comments)
Difficulty: 3 of 5Another Point In A Square (in Geometry) Rating: 3.25
Posted on 2004-06-11 by Brian Smith (Solution Posted, 16 Comments)
Difficulty: 2 of 5Equidistant points on the Axes (in Geometry) Rating: 3.20
Posted on 2003-03-28 by Charlie (Solution Posted, 10 Comments)
Difficulty: 3 of 5Circular intersection (in Geometry) Rating: 2.67
Posted on 2003-05-06 by Gamer (Solution Posted, 4 Comments)
Difficulty: 4 of 5Location X (in Geometry) Rating: 3.00
Posted on 2003-05-05 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 52 Colors 2 (in Geometry) Rating: 4.37
Posted on 2003-08-25 by DJ (Solution Posted, 14 Comments)
Difficulty: 5 of 5Ellipses (in Geometry) Rating: 3.83
Posted on 2004-05-17 by SilverKnight (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Linked Rings (in Geometry) Rating: 3.60
Posted on 2004-05-29 by SilverKnight (No Solution Yet, 19 Comments)
Difficulty: 3 of 5Piece o' Cake (in Geometry) Rating: 3.67
Posted on 2003-12-04 by DJ (Solution Posted, 22 Comments)
Difficulty: 3 of 5Fenced In (in Geometry) Rating: 3.75
Posted on 2004-06-18 by SilverKnight (Solution Posted, 15 Comments)
Difficulty: 2 of 5Inscribed Triangle (in Geometry) Rating: 3.00
Posted on 2005-05-07 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Right Triangle (in Geometry) Rating: 3.40
Posted on 2003-08-05 by np_rt (Solution Posted, 12 Comments)
Difficulty: 4 of 5Tetrahedral Dilemma (in Geometry) Rating: 4.50
Posted on 2004-06-23 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 3 of 5Circle in hypotenuse (in Geometry) Rating: 2.50
Posted on 2003-11-14 by Antonio (Solution Posted, 13 Comments)
Difficulty: 2 of 5A flat ball? (in Geometry) Rating: 3.75
Posted on 2004-04-08 by Federico Kereki (Solution Posted, 25 Comments)
Difficulty: 4 of 5Quadrilateral fun (in Geometry) Rating: 4.00
Posted on 2004-01-10 by SilverKnight (Solution Posted, 6 Comments)
Difficulty: 3 of 5Origamic (in Geometry) Rating: 4.42
Posted on 2003-09-23 by DJ (Solution Posted, 13 Comments)
Difficulty: 2 of 5Sphere Cube (in Geometry) Rating: 3.00
Posted on 2004-02-09 by SilverKnight (Solution Posted, 16 Comments)
Difficulty: 3 of 5Pythagorean Pyramid (in Geometry) Rating: 4.13
Posted on 2004-04-26 by Federico Kereki (Solution Posted, 15 Comments)
Difficulty: 4 of 5Strike a Chord (..Any Chord) (in Geometry) Rating: 4.53
Posted on 2003-10-09 by DJ (No Solution Yet, 51 Comments)
Difficulty: 4 of 5Equilateral Triangle (in Geometry) Rating: 2.60
Posted on 2004-06-20 by SilverKnight (No Solution Yet, 22 Comments)
Difficulty: 3 of 5You say you want a revolution... (in Geometry) Rating: 2.75
Posted on 2004-06-27 by SilverKnight (Solution Posted, 12 Comments)
Difficulty: 4 of 5The Amazing Stamp (in Geometry) Rating: 4.45
Posted on 2003-12-01 by DJ (Solution Posted, 45 Comments)
Difficulty: 2 of 5The similar sheet (in Geometry) Rating: 2.89
Posted on 2004-03-22 by Gamer (Solution Posted, 18 Comments)
Difficulty: 3 of 5I've Been Working... (in Geometry) Rating: 4.00
Posted on 2004-01-07 by DJ (No Solution Yet, 4 Comments)
Difficulty: 4 of 5What Can You Prove? (in Geometry) Rating: 4.18
Posted on 2004-01-14 by DJ (Solution Posted, 8 Comments)
Difficulty: 3 of 5Packing 'em In (in Geometry) Rating: 4.20
Posted on 2004-03-02 by DJ (Solution Posted, 13 Comments)
Difficulty: 4 of 5Circle, Circle, Sphere! (in Geometry) Rating: 2.67
Posted on 2004-08-26 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 4 of 5Circle, Circle, Triangle, Circle! (in Geometry) Rating: 3.56
Posted on 2004-09-08 by SilverKnight (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Trapped! (in Geometry) Rating: 4.44
Posted on 2004-02-19 by DJ (Solution Posted, 9 Comments)
Difficulty: 3 of 5Farmer's dilemma (in Geometry) Rating: 2.50
Posted on 2003-12-23 by SilverKnight (Solution Posted, 11 Comments)
Difficulty: 2 of 5Circle Square (in Geometry) Rating: 2.38
Posted on 2004-01-13 by SilverKnight (Solution Posted, 15 Comments)
Difficulty: 3 of 5Squaring shapes: (in Geometry) Rating: 2.40
Posted on 2004-09-22 by Benjamin J. Ladd (Solution Posted, 10 Comments)
Difficulty: 3 of 5A point in a square (in Geometry) Rating: 3.13
Posted on 2004-03-17 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 4 of 5Like Clockwork (in Geometry) Rating: 3.70
Posted on 2004-02-27 by DJ (Solution Posted, 36 Comments)
Difficulty: 3 of 5All integers (in Geometry) Rating: 4.50
Posted on 2005-01-17 by Federico Kereki (Solution Posted, 14 Comments)
Difficulty: 3 of 5Only Isosceles (in Geometry) Rating: 4.50
Posted on 2005-02-13 by David Shin (Solution Posted, 6 Comments)
Difficulty: 4 of 5Measure that angle III (in Geometry) Rating: 3.20
Posted on 2004-09-07 by Brian Smith (Solution Posted, 25 Comments)
Difficulty: 3 of 5How Many Triangles... (in Geometry) Rating: 2.63
Posted on 2004-08-15 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 3 of 5Cut Cube = Cone (in Geometry)
Posted on 2005-03-17 by Old Original Oskar! (Solution Posted, 2 Comments)
Difficulty: 5 of 5Ellipses and Circles (in Geometry) Rating: 4.00
Posted on 2004-11-29 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5The pencil (in Geometry) Rating: 4.00
Posted on 2004-02-23 by Tristan (Solution Posted, 16 Comments)
Difficulty: 3 of 5Lines on the Curve (in Geometry) Rating: 3.80
Posted on 2004-02-23 by Aaron (Solution Posted, 5 Comments)
Difficulty: 4 of 5A Point and a Cube (in Geometry) Rating: 4.00
Posted on 2004-07-16 by Brian Smith (No Solution Yet, 23 Comments)
Difficulty: 2 of 5Around the bend (in Geometry) Rating: 2.50
Posted on 2004-03-13 by SilverKnight (Solution Posted, 8 Comments)
Difficulty: 4 of 5Chords and Chords (in Geometry) Rating: 3.75
Posted on 2004-03-24 by SilverKnight (No Solution Yet, 23 Comments)
Difficulty: 3 of 5Where on Earth II (in Geometry) Rating: 4.00
Posted on 2005-01-16 by Juggler (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Bisect The Segment (in Geometry) Rating: 4.00
Posted on 2005-01-29 by David Shin (Solution Posted, 8 Comments)
Difficulty: 4 of 5Circles Abound (2) (in Geometry) Rating: 3.33
Posted on 2004-10-17 by SilverKnight (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Mirror in the bathroom. (in Geometry) Rating: 4.00
Posted on 2005-01-13 by Juggler (No Solution Yet, 13 Comments)
Difficulty: 3 of 5A pool rack filled with balls (in Geometry) Rating: 3.36
Posted on 2004-09-17 by Federico Kereki (Solution Posted, 25 Comments)
Difficulty: 2 of 5The Fur Dresser's Mistake (in Geometry) Rating: 4.00
Posted on 2004-05-28 by Victor Zapana (Solution Posted, 12 Comments)
Difficulty: 4 of 5Narrow path through the Eternal Forest (in Geometry) Rating: 4.14
Posted on 2005-05-26 by Tristan (Solution Posted, 8 Comments)
Difficulty: 3 of 5Tackling a Tall Problem (in Geometry) Rating: 3.60
Posted on 2005-03-11 by Sam (No Solution Yet, 10 Comments)
Difficulty: 5 of 5Pizza Cutter (in Geometry) Rating: 3.67
Posted on 2005-02-04 by David Shin (Solution Posted, 11 Comments)
Difficulty: 3 of 5Strange pyramid (in Geometry) Rating: 3.00
Posted on 2004-05-03 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 4 of 5Hexagonal Dilemma (in Geometry) Rating: 4.00
Posted on 2004-06-02 by SilverKnight (No Solution Yet, 18 Comments)
Difficulty: 4 of 5Circles Abound! (in Geometry) Rating: 4.67
Posted on 2004-06-16 by SilverKnight (Solution Posted, 7 Comments)
Difficulty: 4 of 5A Cute Dissection (in Geometry) Rating: 2.75
Posted on 2004-08-06 by SilverKnight (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Cube Angle (in Geometry) Rating: 2.42
Posted on 2004-08-04 by SilverKnight (Solution Posted, 14 Comments)
Difficulty: 4 of 5Six Cubes (in Geometry) Rating: 2.50
Posted on 2004-08-08 by SilverKnight (Solution Posted, 5 Comments)
Difficulty: 2 of 5Measure that angle II (in Geometry) Rating: 2.67
Posted on 2004-09-01 by Brian Smith (Solution Posted, 18 Comments)
Difficulty: 3 of 5Square Circles (in Geometry) Rating: 4.00
Posted on 2004-05-27 by Axorion (Solution Posted, 25 Comments)
Difficulty: 5 of 5Partitioning Space (in Geometry) Rating: 4.40
Posted on 2004-09-13 by SilverKnight (No Solution Yet, 14 Comments)
Difficulty: 4 of 5Nice View (in Geometry) Rating: 3.17
Posted on 2004-09-29 by SilverKnight (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Cosines everywhere (in Geometry) Rating: 4.50
Posted on 2005-03-21 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 4 of 5Square the Circle (in Geometry) Rating: 3.00
Posted on 2004-10-28 by SilverKnight (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Sharing a Plot (in Geometry) Rating: 2.80
Posted on 2004-08-05 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sides inequality (in Geometry) Rating: 2.50
Posted on 2004-08-13 by Federico Kereki (Solution Posted, 1 Comments)
Difficulty: 3 of 5A circle through seven points (in Geometry) Rating: 2.50
Posted on 2004-08-19 by Federico Kereki (Solution Posted, 2 Comments)
Difficulty: 3 of 5Triangle Circle (in Geometry) Rating: 3.00
Posted on 2004-11-20 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 4 of 5Nonagon (in Geometry) Rating: 3.00
Posted on 2004-11-25 by SilverKnight (Solution Posted, 13 Comments)
Difficulty: 3 of 5Bounded Area (in Geometry) Rating: 2.50
Posted on 2004-12-01 by SilverKnight (Solution Posted, 4 Comments)
Difficulty: 4 of 5Three Circles (in Geometry) Rating: 3.00
Posted on 2004-07-28 by ThoughtProvoker (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Two Crescents (in Geometry) Rating: 3.20
Posted on 2004-08-11 by ThoughtProvoker (No Solution Yet, 15 Comments)
Difficulty: 4 of 5Points On A Circle (in Geometry) Rating: 4.43
Posted on 2004-08-14 by ThoughtProvoker (No Solution Yet, 17 Comments)
Difficulty: 4 of 5Angry Friends (in Geometry) Rating: 3.86
Posted on 2004-08-17 by ThoughtProvoker (No Solution Yet, 15 Comments)
Difficulty: 3 of 5I See No Ships (in Geometry) Rating: 2.75
Posted on 2005-01-23 by Juggler (No Solution Yet, 17 Comments)
Difficulty: 2 of 5Four Disks (in Geometry) Rating: 3.00
Posted on 2005-02-02 by David Shin (Solution Posted, 5 Comments)
Difficulty: 4 of 5Connect The Dots (in Geometry) Rating: 3.67
Posted on 2005-02-06 by David Shin (Solution Posted, 15 Comments)
Difficulty: 3 of 5On The Edge (in Geometry) Rating: 3.00
Posted on 2004-10-24 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 4 of 5Circle and Spots (in Geometry) Rating: 3.00
Posted on 2004-12-27 by SilverKnight (No Solution Yet, 10 Comments)
Difficulty: 2 of 5A Curious Cone (in Geometry) Rating: 2.25
Posted on 2004-10-11 by Jer (Solution Posted, 12 Comments)
Difficulty: 3 of 5Two circles (in Geometry) Rating: 3.25
Posted on 2004-10-21 by Federico Kereki (No Solution Yet, 12 Comments)
Difficulty: 4 of 5Measure that angle IV (in Geometry) Rating: 3.67
Posted on 2004-11-02 by Brian Smith (Solution Posted, 21 Comments)
Difficulty: 3 of 5Octagon in a Circle (in Geometry) Rating: 3.50
Posted on 2004-10-25 by Victor Zapana (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Triangular Billiard Table (in Geometry) Rating: 2.50
Posted on 2005-05-12 by Bractals (Solution Posted, 9 Comments)
Difficulty: 3 of 5Broken Hypotenuse (in Geometry) Rating: 3.80
Posted on 2005-02-28 by owl (Solution Posted, 12 Comments)
Difficulty: 3 of 5Disk Division (in Geometry) Rating: 4.10
Posted on 2004-12-09 by Bractals (Solution Posted, 17 Comments)
Difficulty: 2 of 5Points and Planes (in Geometry) Rating: 3.33
Posted on 2004-12-17 by Bractals (Solution Posted, 10 Comments)
Difficulty: 4 of 5Construct Ellipse Axes (in Geometry)
Posted on 2004-12-21 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sphere Pyramid (in Geometry) Rating: 3.50
Posted on 2005-01-19 by nikki (Solution Posted, 4 Comments)
Difficulty: 1 of 5Enclosed area (in Geometry) Rating: 2.17
Posted on 2005-02-01 by Syzygy (Solution Posted, 6 Comments)
Difficulty: 2 of 5Hajja's Rational Cosine (in Geometry)
Posted on 2005-03-02 by owl (Solution Posted, 2 Comments)
Difficulty: 5 of 5Sastry's Evil Bisectors (in Geometry) Rating: 4.40
Posted on 2005-03-04 by owl (No Solution Yet, 10 Comments)
Difficulty: 4 of 5A cute little angle to find (in Geometry) Rating: 3.67
Posted on 2006-01-18 by Jer (Solution Posted, 7 Comments)
Difficulty: 4 of 5Boring, boring... (in Geometry) Rating: 4.38
Posted on 2005-03-06 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 5Great Directions (in Geometry) Rating: 3.50
Posted on 2005-03-16 by Steve Herman (Solution Posted, 8 Comments)
Difficulty: 4 of 5Dodecahedron (in Geometry)
Posted on 2005-03-24 by Erik O. (Solution Posted, 2 Comments)
Difficulty: 3 of 5A Maypole Problem (in Geometry) Rating: 3.33
Posted on 2006-05-01 by Jer (Solution Posted, 8 Comments)
Difficulty: 4 of 5Just find two! (in Geometry) Rating: 4.33
Posted on 2005-04-27 by Federico Kereki (Solution Posted, 25 Comments)
Difficulty: 4 of 5Squaring sides (in Geometry) Rating: 4.00
Posted on 2005-05-04 by Federico Kereki (Solution Posted, 4 Comments)
Difficulty: 2 of 5A Perimeter Puzzle (in Geometry) Rating: 3.25
Posted on 2006-10-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Disguised trapezoid (in Geometry) Rating: 4.20
Posted on 2005-05-28 by McWorter (Solution Posted, 3 Comments)
Difficulty: 2 of 5Only 3 lines? (in Geometry) Rating: 2.33
Posted on 2005-07-14 by pcbouhid (Solution Posted, 12 Comments)
Difficulty: 3 of 5A Matter of Perspective (in Geometry) Rating: 4.00
Posted on 2005-08-27 by McWorter (Solution Posted, 10 Comments)
Difficulty: 3 of 5Similar Sides Sought (in Geometry) Rating: 3.50
Posted on 2005-06-20 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 3 of 5Many Marbles Mystery (in Geometry) Rating: 4.00
Posted on 2005-06-29 by Old Original Oskar! (Solution Posted, 5 Comments)
Difficulty: 3 of 5A quadrilateral query (in Geometry) Rating: 3.00
Posted on 2005-08-29 by Jer (Solution Posted, 6 Comments)
Difficulty: 4 of 5I See No More Ships (in Geometry) Rating: 4.50
Posted on 2006-01-29 by Sir Percivale (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Misshapen Butter Pats (in Geometry)
Posted on 2005-08-16 by McWorter (Solution Posted, 9 Comments)
Difficulty: 3 of 5Mine Detection (in Geometry) Rating: 3.00
Posted on 2006-07-29 by Bractals (Solution Posted, 8 Comments)
Difficulty: 3 of 5Tough Isosceles (in Geometry) Rating: 5.00
Posted on 2005-07-20 by McWorter (Solution Posted, 6 Comments)
Difficulty: 3 of 5Cutting Cubic Corners (in Geometry) Rating: 4.50
Posted on 2005-07-27 by Charley (Solution Posted, 5 Comments)
Difficulty: 5 of 5Circle (in Geometry) Rating: 3.67
Posted on 2005-07-28 by nilshady (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Peculiar Plane Points? (in Geometry) Rating: 3.00
Posted on 2005-08-03 by Old Original Oskar! (Solution Posted, 2 Comments)
Difficulty: 3 of 5Four Congruent Circles (in Geometry)
Posted on 2006-06-14 by Bractals (Solution Posted, 5 Comments)
Difficulty: 2 of 5Medially Similar (in Geometry) Rating: 4.00
Posted on 2005-08-19 by McWorter (Solution Posted, 3 Comments)
Difficulty: 4 of 5Perpendicular Area (in Geometry) Rating: 3.75
Posted on 2005-12-08 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Isosceles Right Triangles (in Geometry) Rating: 3.25
Posted on 2005-10-19 by Bractals (Solution Posted, 10 Comments)
Difficulty: 3 of 5Variation on a Classic (in Geometry)
Posted on 2005-08-23 by McWorter (Solution Posted, 13 Comments)
Difficulty: 3 of 5Triangles and Rectangle (in Geometry) Rating: 3.33
Posted on 2005-08-21 by Bractals (Solution Posted, 6 Comments)
Difficulty: 4 of 5Set of Spheres (in Geometry) Rating: 4.00
Posted on 2005-11-03 by Bractals (Solution Posted, 7 Comments)
Difficulty: 3 of 5Snooker table (in Geometry) Rating: 4.00
Posted on 2006-02-11 by Andre (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Garden Path (in Geometry) Rating: 3.67
Posted on 2006-05-10 by Jer (Solution Posted, 12 Comments)
Difficulty: 2 of 5Five Circle Division (in Geometry)
Posted on 2006-08-26 by Salil (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Three Spheres (in Geometry)
Posted on 2005-09-14 by Bractals (Solution Posted, 6 Comments)
Difficulty: 4 of 5Balls in Space (in Geometry) Rating: 4.40
Posted on 2005-12-09 by Andre (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Integer Triangles (in Geometry) Rating: 4.00
Posted on 2006-06-21 by Bractals (Solution Posted, 5 Comments)
Difficulty: 4 of 5Black and White Solids (in Geometry) Rating: 4.00
Posted on 2006-03-04 by Sir Percivale (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Inversion Distance (in Geometry) Rating: 2.80
Posted on 2006-02-21 by Bractals (Solution Posted, 32 Comments)
Difficulty: 3 of 5Mystery Figures (in Geometry) Rating: 3.50
Posted on 2006-03-07 by Richard (Solution Posted, 1 Comments)
Difficulty: 2 of 5All rationals? (in Geometry) Rating: 3.00
Posted on 2005-12-13 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 4 of 5Box bounce (in Geometry) Rating: 4.14
Posted on 2005-11-17 by Sir Percivale (No Solution Yet, 26 Comments)
Difficulty: 2 of 5Triggy Trigonometry (in Geometry) Rating: 3.33
Posted on 2006-05-20 by Chris, PhD (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Bouncy Bouncy Part 1 (in Geometry) Rating: 4.00
Posted on 2006-02-08 by Jer (Solution Posted, 11 Comments)
Difficulty: 3 of 5Angle ABC (in Geometry) Rating: 2.30
Posted on 2006-02-25 by akash (No Solution Yet, 17 Comments)
Difficulty: 3 of 5The Maypole Problem 2 (in Geometry) Rating: 2.50
Posted on 2006-06-12 by Salil (Solution Posted, 3 Comments)
Difficulty: 5 of 5An Astute Evaluation (in Geometry) Rating: 5.00
Posted on 2006-05-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Equal Angles (in Geometry)
Posted on 2005-12-14 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5Quad Angle (in Geometry) Rating: 3.00
Posted on 2005-12-17 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Law of Sines (in Geometry) Rating: 3.00
Posted on 2005-12-13 by Tristan (Solution Posted, 5 Comments)
Difficulty: 3 of 5No trigonometry, no algebra (in Geometry) Rating: 3.00
Posted on 2005-12-23 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 2 of 5Complex Reflection (in Geometry) Rating: 3.67
Posted on 2006-04-19 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Wrapping an Equilateral Triangle (in Geometry) Rating: 3.50
Posted on 2005-10-10 by Brian Smith (Solution Posted, 15 Comments)
Difficulty: 2 of 5A Cute Triangle (in Geometry) Rating: 3.50
Posted on 2006-07-21 by Richard (Solution Posted, 4 Comments)
Difficulty: 3 of 5Points on a plane (in Geometry) Rating: 4.00
Posted on 2006-08-18 by atheron (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Isosceles Trapezoid (in Geometry)
Posted on 2006-01-02 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 4 of 5100 Chords (in Geometry) Rating: 4.00
Posted on 2005-11-11 by Brian Smith (Solution Posted, 10 Comments)
Difficulty: 4 of 5Measure that angle V (in Geometry)
Posted on 2005-10-24 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 3 of 5Calling all pythagoreans (in Geometry) Rating: 5.00
Posted on 2006-07-03 by e.g. (Solution Posted, 7 Comments)
Difficulty: 3 of 5Angle Measures (in Geometry) Rating: 2.00
Posted on 2006-07-05 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Spider Strolls (in Geometry) Rating: 2.00
Posted on 2006-07-12 by Salil (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Circular Logic III (in Geometry)
Posted on 2006-08-09 by Gamer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Angle Trisection (in Geometry) Rating: 2.50
Posted on 2006-11-09 by Bractals (Solution Posted, 6 Comments)
Difficulty: 2 of 5An inscribed circle problem (in Geometry) Rating: 3.00
Posted on 2006-12-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Puzzle of Sphinx (in Geometry) Rating: 3.00
Posted on 2006-10-11 by Salil (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Two Mirrors (in Geometry) Rating: 2.50
Posted on 2006-10-08 by Bractals (Solution Posted, 4 Comments)
Difficulty: 4 of 5On Target (in Geometry)
Posted on 2006-10-09 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Tree planting exercise (in Geometry) Rating: 2.00
Posted on 2006-10-21 by JLo (Solution Posted, 11 Comments)
Difficulty: 3 of 5Let them eat cake (in Geometry) Rating: 4.00
Posted on 2006-10-23 by Gamer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Three Altitudes (in Geometry) Rating: 3.00
Posted on 2007-01-15 by Dennis (Solution Posted, 4 Comments)
Difficulty: 2 of 5Nets, Sectors and Cones (in Geometry) Rating: 4.33
Posted on 2006-11-12 by Ansh (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Circular map (in Geometry)
Posted on 2006-11-15 by JLo (Solution Posted, 29 Comments)
Difficulty: 3 of 5Take Unit Length, Get PR (in Geometry) Rating: 3.00
Posted on 2007-06-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5'Perfect Oval' (in Geometry) Rating: 4.00
Posted on 2006-11-18 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Geometric calculator (in Geometry) Rating: 4.00
Posted on 2006-11-24 by JLo (Solution Posted, 4 Comments)
Difficulty: 3 of 5Parallel Bisections (in Geometry) Rating: 1.00
Posted on 2006-11-27 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5A square with a circle with a point (in Geometry) Rating: 3.33
Posted on 2006-11-25 by Federico Kereki (Solution Posted, 15 Comments)
Difficulty: 4 of 5Locus of Points (in Geometry) Rating: 3.00
Posted on 2007-12-12 by Bractals (Solution Posted, 17 Comments)
Difficulty: 3 of 5Equal Areas and Perimeters (in Geometry) Rating: 3.00
Posted on 2007-01-02 by Dennis (Solution Posted, 1 Comments)
Difficulty: 3 of 5Internal Triangle Problem (in Geometry) Rating: 4.00
Posted on 2007-02-02 by David Johnson (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Inscribe Quadrilateral, Get Diophantus (in Geometry) Rating: 5.00
Posted on 2007-04-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5An Incentre Problem (in Geometry) Rating: 4.00
Posted on 2007-04-02 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Arithmetic Progression Triangle (in Geometry) Rating: 2.50
Posted on 2007-01-28 by Bractals (Solution Posted, 6 Comments)
Difficulty: 3 of 52007 intersections (in Geometry) Rating: 3.67
Posted on 2007-02-01 by Art M (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Painted Sphere (in Geometry) Rating: 4.00
Posted on 2007-02-13 by Art M (No Solution Yet, 9 Comments)
Difficulty: 2 of 5The Cross in the Trapezoid (in Geometry) Rating: 2.00
Posted on 2007-03-03 by hoodat (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A Near Diophantine Octagon Problem (in Geometry) Rating: 3.67
Posted on 2007-04-22 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 2 of 5Inversion Distance II (in Geometry) Rating: 2.20
Posted on 2007-03-29 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5Incongruency (in Geometry) Rating: 4.00
Posted on 2007-03-23 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 2 of 5A Parallelogram Puzzle (in Geometry)
Posted on 2007-05-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 5 of 5Cutting Corners (in Geometry) Rating: 5.00
Posted on 2007-02-27 by Art M (No Solution Yet, 22 Comments)
Difficulty: 1 of 5Volume of a Cuboid (in Geometry) Rating: 2.00
Posted on 2007-03-02 by Ansh (No Solution Yet, 7 Comments)
Difficulty: 4 of 5A Point in a Triangle (in Geometry) Rating: 3.00
Posted on 2007-04-12 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 2 of 5Sum the quotients, get the ratio (in Geometry) Rating: 4.00
Posted on 2007-05-30 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 3 of 5Take Two Incircles, Get Cyclic Quadrilateral? (in Geometry) Rating: 3.00
Posted on 2007-07-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Take The Midpoints, Get Equilateral? (in Geometry) Rating: 3.00
Posted on 2007-08-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Find GM, Get One Side? (in Geometry) Rating: 3.00
Posted on 2007-06-11 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Take Perpendicular Distances, Get One Side (in Geometry) Rating: 3.50
Posted on 2007-07-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Locus problem (in Geometry) Rating: 4.00
Posted on 2007-05-27 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Kissing Incircles (in Geometry) Rating: 2.50
Posted on 2007-06-01 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Square in a Sector (in Geometry)
Posted on 2007-06-06 by Bractals (Solution Posted, 5 Comments)
Difficulty: 2 of 5Find the Ratio (in Geometry) Rating: 3.25
Posted on 2007-08-20 by Praneeth (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum The Secants, Get 6 (in Geometry) Rating: 2.00
Posted on 2007-09-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Angling For Pi (in Geometry) Rating: 4.00
Posted on 2007-09-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Acutely Seeking Perimeter (in Geometry) Rating: 4.00
Posted on 2007-09-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Tangent And Geometric Sequence (in Geometry)
Posted on 2007-09-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Given Common Vertex, Find Area (in Geometry) Rating: 5.00
Posted on 2007-09-30 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5(Ortho)Centrally Seeking Length (in Geometry) Rating: 2.00
Posted on 2007-11-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sum Adjacent Lengths (in Geometry) Rating: 3.50
Posted on 2007-10-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rational Quadrilateral? (in Geometry)
Posted on 2007-10-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Convex Quadrilateral And Intersection (in Geometry)
Posted on 2007-10-03 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Seeking Sums With Inradius And Exradius (in Geometry) Rating: 3.00
Posted on 2007-10-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Incenter and a Circumcircle (in Geometry) Rating: 3.00
Posted on 2007-10-28 by Praneeth (Solution Posted, 6 Comments)
Difficulty: 3 of 5Right Triangle And Midpoints (in Geometry) Rating: 3.00
Posted on 2007-10-31 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Collinear Intersections (in Geometry)
Posted on 2007-09-13 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Seeking The Angle (in Geometry) Rating: 3.50
Posted on 2007-10-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quadrilateral With A Difference (in Geometry)
Posted on 2007-11-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Getting To PC With A Circle (in Geometry) Rating: 3.00
Posted on 2007-11-10 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 2 of 5Sum Reciprocal Lengths (in Geometry) Rating: 2.50
Posted on 2007-11-17 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Trapezing The Parabola (in Geometry) Rating: 4.00
Posted on 2007-12-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Cyclic Hexagon And Ratio (in Geometry) Rating: 4.00
Posted on 2007-12-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Inradius And Consecutive Sides (in Geometry) Rating: 3.00
Posted on 2007-12-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Isosceles Triangle (in Geometry)
Posted on 2007-11-21 by Dennis (Solution Posted, 4 Comments)
Difficulty: 3 of 5Angle from Exradii (in Geometry) Rating: 4.00
Posted on 2007-11-15 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Square And Intersection (in Geometry) Rating: 2.50
Posted on 2007-12-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Absolutely Geometric (in Geometry) Rating: 5.00
Posted on 2007-12-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Focusing Upon The Maximum (in Geometry) Rating: 3.00
Posted on 2007-12-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Ellipse And Minimum Parallelogram (in Geometry) Rating: 5.00
Posted on 2008-01-04 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Primitive Pythagorean Triangles (in Geometry)
Posted on 2008-01-26 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Two Circles And Maximum Triangle (in Geometry)
Posted on 2008-01-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Centroid And Summed Ratios (in Geometry) Rating: 5.00
Posted on 2008-01-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Two Triangles Divided (in Geometry)
Posted on 2007-12-16 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Acutely Seeking Product (in Geometry) Rating: 5.00
Posted on 2008-01-20 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Circle And Intersection (in Geometry) Rating: 4.00
Posted on 2008-01-25 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Circles around Circles (in Geometry) Rating: 3.75
Posted on 2007-12-23 by Leming (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sum Projection Differences (in Geometry) Rating: 2.00
Posted on 2008-01-05 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Area of Pentagon (in Geometry) Rating: 2.00
Posted on 2008-01-07 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Sum the Points of Tangency (in Geometry) Rating: 3.00
Posted on 2008-01-16 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Eight Points (in Geometry) Rating: 4.40
Posted on 2008-02-01 by Brian Smith (Solution Posted, 29 Comments)
Difficulty: 3 of 5Median Maximum (in Geometry) Rating: 3.33
Posted on 2008-02-03 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 3 of 5Center of Gravity (in Geometry)
Posted on 2008-02-06 by Bractals (Solution Posted, 8 Comments)
Difficulty: 3 of 5Angle Bisectors (in Geometry) Rating: 3.00
Posted on 2008-02-11 by Dennis (Solution Posted, 5 Comments)
Difficulty: 3 of 5Quadrilateral Inequality (in Geometry) Rating: 2.00
Posted on 2008-02-24 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Intersection And Maximum Triangle (in Geometry) Rating: 5.00
Posted on 2008-03-30 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Quadrilateral Concurrency (in Geometry) Rating: 3.00
Posted on 2008-03-06 by Bractals (Solution Posted, 6 Comments)
Difficulty: 4 of 5Tangent with Straightedge (in Geometry) Rating: 4.00
Posted on 2008-03-13 by Bractals (Solution Posted, 8 Comments)
Difficulty: 4 of 5Sum of Radii (in Geometry) Rating: 3.67
Posted on 2008-03-12 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5 Circumcenter, Orthocenter And Angle (in Geometry) Rating: 3.50
Posted on 2008-05-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Triangulation of Numbers (in Geometry) Rating: 3.67
Posted on 2008-03-18 by brianjn (Solution Posted, 7 Comments)
Difficulty: 2 of 5Ratio of Radii (in Geometry) Rating: 3.50
Posted on 2008-03-27 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Sum of Quad. Radii (in Geometry) Rating: 2.33
Posted on 2008-04-02 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Congruent Incircles (in Geometry) Rating: 3.00
Posted on 2008-04-11 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Congruent Incircles II (in Geometry)
Posted on 2008-05-11 by Bractals (Solution Posted, 6 Comments)
Difficulty: 4 of 5A rectangle Around A rhombus (in Geometry) Rating: 3.50
Posted on 2008-04-14 by Brian Smith (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Trapezoid Proof (in Geometry) Rating: 2.50
Posted on 2008-04-17 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Four Circles (in Geometry) Rating: 2.00
Posted on 2008-04-24 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Folded Paper (in Geometry) Rating: 4.00
Posted on 2008-04-29 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Trigonometric Inequalities (in Geometry) Rating: 4.00
Posted on 2008-06-06 by Praneeth (Solution Posted, 1 Comments)
Difficulty: 3 of 5Mutually Perpendicular Medians (in Geometry) Rating: 2.50
Posted on 2008-06-14 by Praneeth (Solution Posted, 4 Comments)
Difficulty: 4 of 5Cyclic from non-cyclic (in Geometry)
Posted on 2008-07-18 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Locus of Triangle (in Geometry) Rating: 3.50
Posted on 2008-05-15 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5Center of Gravity of Perimeter (in Geometry) Rating: 5.00
Posted on 2008-05-18 by Bractals (Solution Posted, 14 Comments)
Difficulty: 2 of 5Construct a Square (in Geometry) Rating: 4.00
Posted on 2008-05-29 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5Orthogonal Circle (in Geometry) Rating: 4.00
Posted on 2008-05-25 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Coordinating The Intersection(s) (in Geometry) Rating: 5.00
Posted on 2008-07-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5A billiard challenge (in Geometry) Rating: 3.50
Posted on 2008-06-23 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 2 of 5Trisecting an angle (in Geometry) Rating: 3.00
Posted on 2008-08-24 by pcbouhid (Solution Posted, 8 Comments)
Difficulty: 2 of 5Product of Ratios (in Geometry) Rating: 4.00
Posted on 2008-09-08 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Always equilateral (in Geometry) Rating: 4.00
Posted on 2008-10-14 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5Half Perpendicular Times Two (in Geometry) Rating: 3.00
Posted on 2008-10-06 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5maximum square folding (in Geometry) Rating: 3.50
Posted on 2008-10-16 by Daniel (Solution Posted, 3 Comments)
Difficulty: 2 of 5Constructing a right triangle (in Geometry)
Posted on 2008-12-07 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 3 of 5Triangle Area (in Geometry)
Posted on 2008-11-28 by Brian Smith (Solution Posted, 12 Comments)
Difficulty: 3 of 5Tri-Blades (in Geometry)
Posted on 2009-05-28 by brianjn (Solution Posted, 3 Comments)
Difficulty: 3 of 5Circumcircles (in Geometry) Rating: 3.00
Posted on 2009-01-28 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Trying triangles (in Geometry) Rating: 4.00
Posted on 2009-03-10 by rod hines (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two Squares (in Geometry)
Posted on 2009-04-20 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Mirrors in a Hex (in Geometry) Rating: 3.00
Posted on 2009-05-08 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Bouncy Bouncy Part 3 (in Geometry)
Posted on 2009-05-04 by Jer (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Random chord problem (in Geometry) Rating: 3.00
Posted on 2009-05-11 by Jer (Solution Posted, 17 Comments)
Difficulty: 3 of 5Star in the Pentagon (in Geometry)
Posted on 2009-06-09 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Triangles and Squares (in Geometry)
Posted on 2009-06-17 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5Collinear intersections (in Geometry)
Posted on 2009-07-13 by Bractals (Solution Posted, 3 Comments)
Difficulty: 2 of 5Dividing a Rectangle (in Geometry)
Posted on 2009-07-25 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Conic Spiral (in Geometry)
Posted on 2009-08-06 by Jer (Solution Posted, 2 Comments)
Difficulty: 4 of 5Unit lengths and triangles (in Geometry)
Posted on 2009-09-09 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Unit lengths from movable points to unit triangles. (in Geometry)
Posted on 2009-09-14 by Jer (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Consecutive 8-Digit Heron (in Geometry) Rating: 4.00
Posted on 2009-11-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Minimum Heron Median (in Geometry) Rating: 4.50
Posted on 2009-12-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Floating Tangent (in Geometry)
Posted on 2009-10-02 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Double Amount (in Geometry)
Posted on 2009-11-25 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5More Collinear Points (in Geometry)
Posted on 2009-12-11 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5Cross the Circle (in Geometry)
Posted on 2010-05-23 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Kissing a Cycloid (in Geometry)
Posted on 2010-01-04 by Bractals (Solution Posted, 11 Comments)
Difficulty: 2 of 5Right Triangles (in Geometry) Rating: 5.00
Posted on 2010-01-22 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5Dots in a Cube (in Geometry)
Posted on 2010-01-27 by TheKPAXian (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Decagon and Dodecagon Areas (in Geometry) Rating: 2.67
Posted on 2010-05-11 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Minimal area. (in Geometry) Rating: 4.67
Posted on 2010-03-29 by Vee-Liem Veefessional (Solution Posted, 11 Comments)
Difficulty: 1 of 5Two Monuments (in Geometry) Rating: 5.00
Posted on 2010-08-31 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two Center Distance (in Geometry) Rating: 3.33
Posted on 2010-09-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Indi Games (in Geometry) Rating: 4.00
Posted on 2010-04-13 by brianjn (Solution Posted, 12 Comments)
Difficulty: 3 of 5Two Point Distance (in Geometry) Rating: 5.00
Posted on 2010-06-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Points On A Circle II (in Geometry) Rating: 4.00
Posted on 2010-07-13 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Constructing Minimal Area (in Geometry) Rating: 3.00
Posted on 2010-05-13 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Perpendicular Concurrency Concern (in Geometry)
Posted on 2010-08-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Determine Area (in Geometry)
Posted on 2010-03-27 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Triangle Divided (in Geometry) Rating: 2.50
Posted on 2010-04-15 by Bractals (Solution Posted, 8 Comments)
Difficulty: 4 of 5Triangle inscribed in a triangle with smallest perimeter. (in Geometry)
Posted on 2010-04-25 by Vee-Liem Veefessional (Solution Posted, 3 Comments)
Difficulty: 5 of 5Simple properties of reflections in ellipse. (in Geometry) Rating: 4.67
Posted on 2010-05-05 by Vee-Liem Veefessional (Solution Posted, 5 Comments)
Difficulty: 4 of 5Minimal distance from a point inside a triangle to vertices. (in Geometry)
Posted on 2010-05-22 by Vee-Liem Veefessional (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Distance = Inradius (in Geometry) Rating: 3.50
Posted on 2010-10-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Equilateral Right Angle Locus (in Geometry) Rating: 3.00
Posted on 2010-10-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Cover the Circumference (in Geometry)
Posted on 2010-05-25 by Larry (No Solution Yet, 4 Comments)
Difficulty: 5 of 5Cover the Center (in Geometry)
Posted on 2010-06-04 by Larry (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Lamps in a row (in Geometry)
Posted on 2010-09-03 by Bractals (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Three Perps (in Geometry)
Posted on 2010-06-11 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Triangle from Two Lines (in Geometry)
Posted on 2010-07-01 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divide a triangle (in Geometry) Rating: 4.00
Posted on 2010-07-07 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Vertex on a Line (in Geometry)
Posted on 2010-07-11 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Quadrilateral Equals Overlapping Triangles (in Geometry)
Posted on 2010-07-23 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Inscribe Right Triangle (in Geometry)
Posted on 2010-07-18 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Tangent Trapezoid (in Geometry)
Posted on 2010-07-28 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Three Lock Box (in Geometry)
Posted on 2010-07-19 by Larry (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Angle in a square (in Geometry) Rating: 3.00
Posted on 2010-11-16 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Minimum perimeter length (in Geometry) Rating: 4.50
Posted on 2010-12-10 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Bicentric Trapezoids (in Geometry) Rating: 3.00
Posted on 2010-07-24 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 4 of 5Blindfolded at the Great Wall of China (in Geometry) Rating: 4.50
Posted on 2010-07-29 by David Shin (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Sum of Two Angles (in Geometry)
Posted on 2010-08-01 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5The Garden of Pythagoras (in Geometry)
Posted on 2010-08-03 by broll (Solution Posted, 15 Comments)
Difficulty: 3 of 5Centroid Line (in Geometry)
Posted on 2010-08-10 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Intersection in a Quadrilateral (in Geometry)
Posted on 2010-08-14 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Bisector Inequality (in Geometry) Rating: 4.00
Posted on 2010-08-19 by Bractals (Solution Posted, 1 Comments)
Difficulty: 4 of 5Two ellipses (in Geometry)
Posted on 2011-01-19 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum Supplement Settlement (in Geometry)
Posted on 2011-02-12 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tri-Similarity (in Geometry) Rating: 3.00
Posted on 2010-10-17 by Bractals (Solution Posted, 10 Comments)
Difficulty: 3 of 5Split an Altitude (in Geometry) Rating: 4.00
Posted on 2010-09-24 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Collinear Feet (in Geometry) Rating: 3.00
Posted on 2010-09-26 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5two2one (in Geometry)
Posted on 2010-10-27 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Incircle Bisector (in Geometry) Rating: 3.00
Posted on 2010-10-23 by Bractals (Solution Posted, 3 Comments)
Difficulty: 2 of 5Not ASA, SAS, or SSS (in Geometry)
Posted on 2010-11-01 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Divide Into Four (in Geometry)
Posted on 2010-12-02 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Length of Angle Bisector (in Geometry) Rating: 2.00
Posted on 2010-11-07 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Incircle Fixed Point (in Geometry) Rating: 4.00
Posted on 2010-12-08 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Circumcircle Fixed Point (in Geometry) Rating: 4.00
Posted on 2010-12-17 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Convex Hull (in Geometry)
Posted on 2014-09-10 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5 Find the area (in Geometry) Rating: 3.67
Posted on 2011-02-09 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sevenths Sliced Square (in Geometry) Rating: 3.00
Posted on 2011-02-24 by Jer (Solution Posted, 7 Comments)
Difficulty: 4 of 5SQUARECOMPASS (in Geometry)
Posted on 2011-01-30 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three spheres (in Geometry)
Posted on 2011-07-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5AECP (in Geometry)
Posted on 2011-03-01 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Integer points on circles. (in Geometry) Rating: 3.50
Posted on 2011-02-28 by Jer (Solution Posted, 15 Comments)
Difficulty: 3 of 5Integer points on ellipses (in Geometry)
Posted on 2011-03-10 by Jer (Solution Posted, 0 Comments)
Difficulty: 3 of 5Incenter Assignment (in Geometry)
Posted on 2011-03-23 by Bractals (Solution Posted, 4 Comments)
Difficulty: 2 of 5The median is shorter (in Geometry)
Posted on 2011-04-04 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5All or Exactly Two (in Geometry) Rating: 4.00
Posted on 2011-03-27 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5Splitting Hypotenuse (in Geometry) Rating: 4.00
Posted on 2011-04-03 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Parallel Hexagon (in Geometry) Rating: 3.00
Posted on 2011-04-07 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Lattice Point as Centroid (in Geometry) Rating: 3.00
Posted on 2011-04-10 by Bractals (Solution Posted, 8 Comments)
Difficulty: 3 of 5Concurrent Cevians (in Geometry)
Posted on 2011-05-03 by Bractals (Solution Posted, 3 Comments)
Difficulty: 2 of 5Rating our neighbours (in Geometry) Rating: 3.00
Posted on 2011-08-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Maximum Cevian Triangle (in Geometry)
Posted on 2011-06-02 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Five out of one (in Geometry)
Posted on 2011-09-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Circles at a point. (in Geometry)
Posted on 2014-09-07 by broll (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Real Cyclic Quad (in Geometry) Rating: 1.50
Posted on 2014-08-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Getting Quadratic and Cubic with Astroid (in Geometry)
Posted on 2011-10-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Conic Triangle (in Geometry)
Posted on 2014-10-17 by Bractals (Solution Posted, 3 Comments)
Difficulty: 4 of 5Cevian Theorem (in Geometry)
Posted on 2011-09-21 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Triangles, Incircles, and an Excircle (in Geometry)
Posted on 2014-05-24 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Sum of Ratios (in Geometry)
Posted on 2011-08-25 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Ray Ratio (in Geometry) Rating: 5.00
Posted on 2011-10-23 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Angle of view - Parabola (in Geometry) Rating: 3.00
Posted on 2011-11-13 by Jer (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Slope products (in Geometry)
Posted on 2011-11-08 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Orthogonal Tangents (in Geometry)
Posted on 2011-11-30 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Build a triangle. (in Geometry)
Posted on 2012-03-15 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pyramid Resolution (in Geometry) Rating: 5.00
Posted on 2012-06-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Orthogonal Conics (in Geometry) Rating: 5.00
Posted on 2011-12-10 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5A tall tower (in Geometry)
Posted on 2014-06-18 by Jer (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Three Line Segment Sum (in Geometry) Rating: 4.00
Posted on 2014-05-31 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Concurrent Lines (in Geometry) Rating: 4.00
Posted on 2014-05-30 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Midpoint Areas (in Geometry) Rating: 4.00
Posted on 2012-02-18 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Locus of Intersections (in Geometry) Rating: 4.00
Posted on 2012-03-09 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Heptatriangle (in Geometry)
Posted on 2014-03-01 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 52 to 1 Bisector (in Geometry) Rating: 4.00
Posted on 2014-03-30 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5A Trisected Angle and the Opposing Side (in Geometry) Rating: 4.00
Posted on 2012-04-22 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ready, action…,CUT! (in Geometry) Rating: 3.00
Posted on 2012-05-16 by Ady TZIDON (Solution Posted, 19 Comments)
Difficulty: 2 of 5Vertices on lines (in Geometry) Rating: 4.00
Posted on 2012-04-25 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Concylic Feet Part 1 (in Geometry) Rating: 4.00
Posted on 2012-04-28 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quadrilateral Locus (in Geometry) Rating: 4.00
Posted on 2012-05-05 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Concylic Feet Part 2 (in Geometry)
Posted on 2012-05-24 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5Angles missing (in Geometry) Rating: 4.00
Posted on 2012-07-09 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Inradii Ratio (in Geometry)
Posted on 2014-03-08 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Divide in Half (in Geometry) Rating: 5.00
Posted on 2014-03-07 by Bractals (Solution Posted, 6 Comments)
Difficulty: 3 of 5Pyramid Maneuver (in Geometry) Rating: 4.00
Posted on 2012-12-06 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 59 of the same shape (in Geometry) Rating: 4.00
Posted on 2012-07-19 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Locus of Midpoints (in Geometry)
Posted on 2012-07-28 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Tri Square (in Geometry) Rating: 3.00
Posted on 2012-09-16 by Dustin (Solution Posted, 3 Comments)
Difficulty: 3 of 5Center to center (in Geometry) Rating: 4.00
Posted on 2012-10-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Big B's theorem (in Geometry) Rating: 2.00
Posted on 2012-10-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Coincide or Perpendicular (in Geometry) Rating: 3.00
Posted on 2012-10-20 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Square in Square (in Geometry) Rating: 4.00
Posted on 2012-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Geometric Parabola (in Geometry) Rating: 5.00
Posted on 2013-02-02 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Peculiar pentagon (in Geometry) Rating: 3.00
Posted on 2012-11-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Perpendicular (in Geometry) Rating: 3.33
Posted on 2012-12-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Rhombus problem, with tangents and parallel (in Geometry) Rating: 3.00
Posted on 2013-01-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Intersection of Bisectors (in Geometry) Rating: 3.00
Posted on 2012-12-01 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Midpoint problem (in Geometry) Rating: 3.00
Posted on 2013-02-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Area of hexagon... (in Geometry)
Posted on 2013-04-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Phantom Spheres (in Geometry)
Posted on 2012-12-22 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square from four points (in Geometry) Rating: 4.00
Posted on 2013-01-08 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5Equal Segments (in Geometry)
Posted on 2013-03-20 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two ladders (in Geometry)
Posted on 2013-03-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Orthodiagonal Quadrilateral (in Geometry) Rating: 3.00
Posted on 2013-03-24 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rhombus Rationale (in Geometry)
Posted on 2013-08-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rhomboctagon (in Geometry) Rating: 3.00
Posted on 2013-09-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Framing (in Geometry) Rating: 4.00
Posted on 2013-07-16 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Weighted Quadrilateral (in Geometry) Rating: 3.00
Posted on 2013-07-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Morley's Ghost (in Geometry) Rating: 3.50
Posted on 2013-08-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Circular Billiards Table (in Geometry) Rating: 3.00
Posted on 2013-04-23 by Bractals (Solution Posted, 6 Comments)
Difficulty: 3 of 5Triangle from Perimeter (in Geometry) Rating: 4.00
Posted on 2013-05-04 by Bractals (Solution Posted, 3 Comments)
Difficulty: 4 of 5More Concyclic Points (in Geometry) Rating: 5.00
Posted on 2014-01-26 by Bractals (Solution Posted, 0 Comments)
Difficulty: 2 of 5Distance to Diagonal (in Geometry) Rating: 3.00
Posted on 2013-05-14 by Bractals (Solution Posted, 6 Comments)
Difficulty: 2 of 5Distance to Diagonal 2 (in Geometry) Rating: 4.00
Posted on 2013-06-06 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Four Equal Triangles (in Geometry) Rating: 5.00
Posted on 2013-06-16 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Maximizing product (in Geometry)
Posted on 2013-09-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Concyclic Points of Tangency (in Geometry)
Posted on 2013-07-02 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5Parallelogram Requirement (in Geometry) Rating: 3.00
Posted on 2013-07-07 by Bractals (Solution Posted, 1 Comments)
Difficulty: 1 of 5Three Semi-Circles (in Geometry)
Posted on 2013-09-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Rectangle to Square (in Geometry)
Posted on 2013-08-13 by Bractals (Solution Posted, 9 Comments)
Difficulty: 2 of 5Sum of Chords (in Geometry)
Posted on 2013-09-07 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Non existing altitudes (in Geometry)
Posted on 2013-10-03 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Midpoint of Two Chords (in Geometry) Rating: 4.00
Posted on 2013-09-15 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Shared Vertex (in Geometry)
Posted on 2013-09-25 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Triangles And Rectangles Pair (in Geometry)
Posted on 2013-11-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 5 of 5Collinear and Equal Angles (in Geometry) Rating: 4.00
Posted on 2013-11-09 by Bractals (Solution Posted, 5 Comments)
Difficulty: 3 of 5A Square, a Rectangle and a Triangle (in Geometry) Rating: 3.00
Posted on 2013-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Angle Bisector (in Geometry)
Posted on 2013-10-06 by Bractals (Solution Posted, 1 Comments)
Difficulty: 4 of 5SSS, SAS, ASA, and ... (in Geometry) Rating: 5.00
Posted on 2013-10-02 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5On the same line (in Geometry)
Posted on 2013-12-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Pentagon in a Square (in Geometry)
Posted on 2013-11-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square in a Pentagon (in Geometry) Rating: 3.00
Posted on 2013-12-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Two Rectangles (in Geometry) Rating: 3.00
Posted on 2013-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Circumcenter on Ray (in Geometry) Rating: 4.00
Posted on 2013-10-12 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Many Cyclic Quads (in Geometry)
Posted on 2013-10-19 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5In and Out (in Geometry)
Posted on 2013-10-24 by Bractals (Solution Posted, 2 Comments)
Difficulty: 2 of 5120° Breeds 90° (in Geometry) Rating: 3.00
Posted on 2014-01-04 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5all squares (in Geometry)
Posted on 2014-01-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Simple trigo (in Geometry)
Posted on 2014-01-03 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Pentagon in a semicircle (in Geometry)
Posted on 2014-01-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Incircles in equilateral triangles (in Geometry)
Posted on 2014-01-18 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 53 INCIRCLES (in Geometry) Rating: 3.00
Posted on 2014-01-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Equal Bisectors (in Geometry)
Posted on 2013-11-03 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5Equal areas (in Geometry)
Posted on 2014-02-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Bisection In a triangle (in Geometry)
Posted on 2014-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Similar Triangles (in Geometry) Rating: 4.00
Posted on 2013-11-15 by Bractals (Solution Posted, 10 Comments)
Difficulty: 4 of 5Amazing (in Geometry) Rating: 3.00
Posted on 2013-12-07 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5The Equiangular Hexagon (in Geometry)
Posted on 2014-02-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Overlapping Triangles (in Geometry)
Posted on 2014-02-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Angle evaluating (in Geometry)
Posted on 2014-10-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Counting Crossings (in Geometry) Rating: 4.00
Posted on 2014-10-08 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Pentagon's constant (in Geometry) Rating: 4.00
Posted on 2014-12-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Two squares in a circle (in Geometry) Rating: 3.00
Posted on 2014-12-05 by broll (Solution Posted, 4 Comments)
Difficulty: 2 of 5Equilateral fun (in Geometry)
Posted on 2015-02-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Location, location, location (in Geometry) Rating: 4.00
Posted on 2015-03-12 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Chord Triangle Constant (in Geometry)
Posted on 2015-03-21 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Equality in pentagon (in Geometry) Rating: 3.00
Posted on 2015-05-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A many chords problem (in Geometry)
Posted on 2015-05-27 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A Midpoint Construction (in Geometry) Rating: 4.00
Posted on 2015-05-15 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Three Centroids (in Geometry)
Posted on 2015-05-28 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5Four Distinct Points (in Geometry)
Posted on 2015-06-25 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Concurrent Secants (in Geometry) Rating: 4.00
Posted on 2015-08-02 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 5Bisector of Foci Angle (in Geometry)
Posted on 2015-08-05 by Bractals (Solution Posted, 0 Comments)
Difficulty: 4 of 5Generalizing (in Geometry)
Posted on 2015-10-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Triangle's bisector theorem (in Geometry)
Posted on 2015-11-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Straightedge only (in Geometry)
Posted on 2015-11-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sphere Intersections (in Geometry)
Posted on 2015-11-11 by Bractals (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Square in a notched square (in Geometry)
Posted on 2015-11-25 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Protecting the fleet Parts A. & B. (in Geometry)
Posted on 2015-12-14 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Protecting the fleet Parts C. & D. (in Geometry)
Posted on 2015-12-15 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Proving a theorem (in Geometry) Rating: 3.00
Posted on 2016-02-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tangents (in Geometry)
Posted on 2016-01-31 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 5More bouncing (in Geometry)
Posted on 2016-03-09 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Matching Isosceles and Right Triangle (in Geometry) Rating: 4.00
Posted on 2016-02-19 by Brian Smith (Solution Posted, 7 Comments)
Difficulty: 3 of 5Ring of triangles I (in Geometry)
Posted on 2016-03-02 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Ring of triangles II (in Geometry)
Posted on 2016-03-10 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Double Reflection (in Geometry)
Posted on 2016-03-24 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Proof requested (in Geometry)
Posted on 2016-04-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Icosahedron addressed (in Geometry)
Posted on 2016-05-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Edge problem (in Geometry)
Posted on 2016-05-31 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Go for the midpoint (in Geometry) Rating: 2.00
Posted on 2016-06-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Objective: Integer! (in Geometry)
Posted on 2016-06-14 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pentagonal triple triangles (in Geometry)
Posted on 2016-07-01 by Jer (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Parallel Midpoints (in Geometry)
Posted on 2016-07-30 by Bractals (Solution Posted, 1 Comments)
Difficulty: 3 of 51-2-3-4 Square (in Geometry) Rating: 4.00
Posted on 2016-08-12 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Concurrent Rays (in Geometry) Rating: 5.00
Posted on 2016-08-20 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Collinear Points (in Geometry) Rating: 4.00
Posted on 2016-08-19 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 5 of 5Sum to Cevian (in Geometry) Rating: 5.00
Posted on 2016-09-03 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Area search (in Geometry)
Posted on 2016-09-19 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5A cyclic path (in Geometry)
Posted on 2016-09-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Collinearity proof (in Geometry)
Posted on 2016-10-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rectangle-Diagonal (in Geometry)
Posted on 2016-11-02 by Bractals (Solution Posted, 1 Comments)
Difficulty: 4 of 5Equal Areas on Circles (in Geometry)
Posted on 2016-11-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Congruent Incircles (in Geometry) Rating: 5.00
Posted on 2017-01-01 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Hardest easy geometry problem (in Geometry) Rating: 4.00
Posted on 2016-11-04 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two Non-overlapping Triangles (in Geometry)
Posted on 2016-11-27 by Brian Smith (Solution Posted, 0 Comments)
Difficulty: 2 of 5Rectangle Point (in Geometry)
Posted on 2017-02-28 by Bractals (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Circumcenters and Incenters (in Geometry) Rating: 5.00
Posted on 2017-02-19 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The toll of two cities (in Geometry)
Posted on 2017-02-20 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Problem on its own (in Geometry)
Posted on 2017-03-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Three heights in a triangle (in Geometry)
Posted on 2017-03-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5From Tangent to Circle (in Geometry) Rating: 3.00
Posted on 2017-01-04 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Proving an inequality (in Geometry) Rating: 4.00
Posted on 2017-09-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The length of the belt (in Geometry) Rating: 3.00
Posted on 2017-05-09 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Add one more circle (in Geometry)
Posted on 2017-05-21 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Lewis Carroll's finding (in Geometry)
Posted on 2017-06-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Two parallelograms (in Geometry) Rating: 3.00
Posted on 2017-08-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Polygon Overlap (in Geometry)
Posted on 2017-04-17 by Bractals (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Is it a conic? (in Geometry) Rating: 4.00
Posted on 2017-04-19 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Many equal shapes (in Geometry)
Posted on 2017-04-30 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Delian delight (in Geometry)
Posted on 2017-06-04 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Fair slices (in Geometry)
Posted on 2018-01-16 by Jer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Pythagoras' corner (in Geometry)
Posted on 2017-06-16 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Radius missing (in Geometry)
Posted on 2018-03-07 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Regular N-gon (in Geometry) Rating: 4.00
Posted on 2017-07-09 by Bractals (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Heronian with consecutives (in Geometry) Rating: 3.00
Posted on 2017-07-29 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A unique Heronian triangle (in Geometry)
Posted on 2017-08-05 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Create 2 congruent triangles (in Geometry) Rating: 3.00
Posted on 2017-10-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pruned Triangle (in Geometry)
Posted on 2017-07-28 by Bractals (Solution Posted, 1 Comments)
Difficulty: 4 of 5Sixty is Special (in Geometry)
Posted on 2017-08-18 by Bractals (Solution Posted, 1 Comments)
Difficulty: 4 of 5Parallelograms (in Geometry)
Posted on 2017-09-09 by Bractals (Solution Posted, 5 Comments)
Difficulty: 2 of 5Dividing the Land Evenly (in Geometry)
Posted on 2018-01-09 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Circumcenters and Vectors (in Geometry)
Posted on 2017-12-31 by Bractals (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Evaluating a distance (in Geometry)
Posted on 2018-01-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Incenter and a half (in Geometry)
Posted on 2018-02-03 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5T-N-T (in Geometry)
Posted on 2017-11-25 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5LOP (in Geometry)
Posted on 2017-12-13 by Bractals (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Intersection of Perps (in Geometry)
Posted on 2018-01-14 by Bractals (Solution Posted, 3 Comments)
Difficulty: 3 of 5Chord-Product (in Geometry)
Posted on 2018-01-27 by Bractals (Solution Posted, 2 Comments)
Difficulty: 4 of 5Equally Spaced (in Geometry)
Posted on 2018-05-13 by Bractals (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Areas equalizer (in Geometry)
Posted on 2018-04-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find the arc (in Geometry)
Posted on 2018-02-08 by Kenny M (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Double Secant (in Geometry)
Posted on 2018-02-15 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Perpendicular Incenters (in Geometry)
Posted on 2018-05-06 by Bractals (Solution Posted, 0 Comments)
Difficulty: 3 of 5The Truman Show (in Geometry)
Posted on 2018-03-02 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Equidistant point (in Geometry) Rating: 3.00
Posted on 2018-06-03 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Cube Decomposition (in Geometry)
Posted on 2018-04-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Boxed Parabolas (in Geometry)
Posted on 2018-03-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Easy Peasy Parabola (in Geometry)
Posted on 2018-04-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Angle in an Equilateral Pentagon (in Geometry)
Posted on 2018-04-12 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Devil 30-gon (in Geometry)
Posted on 2018-04-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5An almost regular tetrahedron (in Geometry)
Posted on 2018-04-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Where's the Center (in Geometry)
Posted on 2018-05-20 by Bractals (Solution Posted, 2 Comments)
Difficulty: 3 of 5How to do it? (in Geometry) Rating: 5.00
Posted on 2018-09-05 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Cyclic Quadrilateral Tessellation (in Geometry)
Posted on 2018-06-09 by Jer (No Solution Yet, 0 Comments)
Difficulty: 1 of 5These are E-Z (in Geometry)
Posted on 2018-06-25 by Steven Lord (Solution Posted, 6 Comments)
Difficulty: 1 of 5Getting Nowhere (in Geometry)
Posted on 2018-07-02 by Steven Lord (Solution Posted, 1 Comments)
Difficulty: 2 of 5Complicated Tangency (in Geometry)
Posted on 2018-09-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Within a triangle (in Geometry) Rating: 3.00
Posted on 2018-10-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Parcelation (in Geometry)
Posted on 2018-10-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Discs in Triangle (in Geometry) Rating: 3.50
Posted on 2018-12-13 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Some slack (in Geometry)
Posted on 2018-10-29 by Steven Lord (Solution Posted, 2 Comments)
Difficulty: 4 of 5The Unit Square in the Circle (in Geometry)
Posted on 2018-11-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Heptagonal Beauty (in Geometry)
Posted on 2018-12-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rolling Ellipse (in Geometry)
Posted on 2018-12-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Copy and Construct (in Geometry)
Posted on 2018-12-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Outcoming (in Geometry) Rating: 4.50
Posted on 2019-02-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 5 of 55 circles in a hexagon. (in Geometry)
Posted on 2018-11-25 by Jer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Cover half a square (in Geometry)
Posted on 2018-12-18 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Areal equality (in Geometry)
Posted on 2019-01-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Equal Circles (in Geometry)
Posted on 2019-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 5 of 5Spheres on a floor (in Geometry) Rating: 5.00
Posted on 2019-02-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5I squeeze, squeeze, and squeeze (in Geometry)
Posted on 2019-02-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Incentroid (in Geometry) Rating: 3.00
Posted on 2019-02-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Subdivided parallelogram (in Geometry)
Posted on 2019-03-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Can rationalization help? (in Geometry)
Posted on 2019-03-05 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5One step towards Regularity (in Geometry)
Posted on 2019-03-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Is this circular billiards? (in Geometry)
Posted on 2019-03-18 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Where is the center? (in Geometry) Rating: 5.00
Posted on 2019-03-15 by Danish Ahmed Khan (No Solution Yet, 13 Comments)
Difficulty: 4 of 5Too many to work with (in Geometry)
Posted on 2019-03-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5More Discs in a Triangle (in Geometry)
Posted on 2019-03-29 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two triangles in a square (in Geometry)
Posted on 2019-01-12 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5The midpoint of Tangency (in Geometry)
Posted on 2019-04-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Does the hexagon exist? (in Geometry)
Posted on 2019-04-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Distinct figures of Circle and Triangle (in Geometry)
Posted on 2019-04-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Constructed length ratio (in Geometry)
Posted on 2019-04-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sections in parallelogram (in Geometry)
Posted on 2019-05-05 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Diagonal mystery (in Geometry)
Posted on 2019-05-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Square and Rectangle (in Geometry) Rating: 4.00
Posted on 2019-07-04 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 4 of 5Three Orthogonal Chords (in Geometry)
Posted on 2019-05-10 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Constructed incenter (in Geometry)
Posted on 2019-08-16 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Parabola Axis Construction (in Geometry)
Posted on 2019-08-31 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hexagonal interior point (in Geometry)
Posted on 2019-09-24 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Is it an Ellipse? (in Geometry)
Posted on 2019-09-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Don't assume you know this concave pentagon (in Geometry) Rating: 5.00
Posted on 2019-09-01 by Brian Smith (No Solution Yet, 18 Comments)
Difficulty: 3 of 5A Triangle in a Square (in Geometry)
Posted on 2019-08-21 by Brian Smith (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Talwalker trouble (in Geometry)
Posted on 2019-08-24 by broll (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Reflection coincides with the center (in Geometry) Rating: 3.50
Posted on 2019-12-06 by Danish Ahmed Khan (No Solution Yet, 26 Comments)
Difficulty: 2 of 55 circles in a square part 1 (in Geometry)
Posted on 2019-08-28 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 55 circles in a square part 2 (in Geometry)
Posted on 2019-09-08 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tan2Mid (in Geometry)
Posted on 2020-03-11 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Equal angles within a right triangle (in Geometry)
Posted on 2020-01-08 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 53 circles in an isosceles trapezoid (in Geometry)
Posted on 2020-01-10 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 53 equilateral triangles in a rectangle (in Geometry)
Posted on 2020-02-28 by Jer (Solution Posted, 2 Comments)
Difficulty: 2 of 5Pythagorean Reciprocals (in Geometry) Rating: 2.00
Posted on 2020-02-05 by Brian Smith (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Radius and Altitudes (in Geometry)
Posted on 2020-05-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Square and triangle in a circle (in Geometry) Rating: 2.00
Posted on 2020-04-13 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5hexagons inside hexagon (in Geometry) Rating: 1.00
Posted on 2020-04-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5An envelope of line family (in Geometry)
Posted on 2020-05-06 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Equilateral hexagon (in Geometry)
Posted on 2020-09-08 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Triangle bisector (in Geometry)
Posted on 2020-10-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The angle bisectors (in Geometry)
Posted on 2020-10-10 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Construction inside parallelogram (in Geometry)
Posted on 2020-10-29 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A triangle locus (in Geometry)
Posted on 2020-11-03 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Quad in quad (in Geometry)
Posted on 2020-11-20 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Find the third side (in Geometry)
Posted on 2020-11-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Missing side of hexagon (in Geometry) Rating: 2.00
Posted on 2020-12-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Perpendiculars in cyclic quadrilateral (in Geometry)
Posted on 2020-12-16 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Quick triangle side (in Geometry)
Posted on 2020-12-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Concyclic in a triangle (in Geometry)
Posted on 2020-12-24 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5On the angle bisector (in Geometry)
Posted on 2020-12-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Measure angle in parallelogram (in Geometry)
Posted on 2020-12-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Image 3D (in Geometry)
Posted on 2021-01-05 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Colinearity with rectangle vertex (in Geometry)
Posted on 2021-01-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Polygon mesh with a point (in Geometry)
Posted on 2021-01-31 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Perpendicular edge of tetrahedron (in Geometry)
Posted on 2021-02-02 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Provide dimensions (in Geometry) Rating: 2.50
Posted on 2021-02-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Polygon angle summation (in Geometry)
Posted on 2021-02-10 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Isosceles split (in Geometry)
Posted on 2021-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Construction calculation (in Geometry)
Posted on 2021-02-21 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5One excircle to another (in Geometry)
Posted on 2021-03-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Max angle in triangle (in Geometry)
Posted on 2021-03-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5colinear intersection points from a hexagon (in Geometry)
Posted on 2021-04-22 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Locus amid two intersecting circles (in Geometry)
Posted on 2021-04-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Minimize parallelogram diagonal (in Geometry)
Posted on 2021-04-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Mid point and similarity (in Geometry)
Posted on 2021-06-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Quarilateral vertex reflection (in Geometry)
Posted on 2021-08-04 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 55 equilaterals (in Geometry) Rating: 5.00
Posted on 2021-09-10 by Jer (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Largest circle in quadrilateral (in Geometry)
Posted on 2021-09-17 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Independent projections (in Geometry) Rating: 4.00
Posted on 2021-10-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Plain similarity (in Geometry)
Posted on 2021-10-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Rhombus and equilateral triangles (in Geometry) Rating: 2.00
Posted on 2021-01-06 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A drill to remember (in Geometry) Rating: 4.00
Posted on 2021-03-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Defining a triangle. (in Geometry) Rating: 4.00
Posted on 2021-03-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Of equal area (in Geometry)
Posted on 2021-04-12 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Angle bisector in isosceles trapezoid (in Geometry) Rating: 3.00
Posted on 2021-08-30 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Closest approaches (in Geometry) Rating: 3.00
Posted on 2022-01-14 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hexagon's square coverage (in Geometry) Rating: 4.00
Posted on 2022-01-21 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Triangle in a rectangle (in Geometry) Rating: 4.00
Posted on 2022-02-03 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 52 parallel chords (in Geometry) Rating: 4.00
Posted on 2022-02-10 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Squares on each others centers (in Geometry) Rating: 3.00
Posted on 2022-03-11 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Square and triangle on centers (in Geometry) Rating: 4.00
Posted on 2022-03-17 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hexagon area ratio (in Geometry) Rating: 4.00
Posted on 2022-06-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Pair of quadrilaterals (in Geometry)
Posted on 2022-07-21 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Ring sets (in Geometry) Rating: 5.00
Posted on 2022-09-22 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Easy rhombus angle measurement (in Geometry)
Posted on 2023-08-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Tangential Trapezoid (in Geometry)
Posted on 2022-11-30 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5More Tangential Trapezoids (in Geometry)
Posted on 2022-12-16 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Partially filled cone (in Geometry)
Posted on 2023-02-01 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5An Isosceles Triangle and its Steiner Foci (in Geometry) Rating: 5.00
Posted on 2023-02-17 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 3 of 53 circles in a rectangle (in Geometry) Rating: 5.00
Posted on 2023-03-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Another triangle in a square problem (in Geometry)
Posted on 2023-03-29 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Trisected segment (in Geometry)
Posted on 2023-07-18 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Trigonometry with altitudes (in Geometry)
Posted on 2023-07-09 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Parabolas hugging a hexagon (in Geometry) Rating: 4.33
Posted on 2023-07-07 by Jer (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Similar triangle split (in Geometry)
Posted on 2023-08-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Obtuse triangle from equilateral triangle (in Geometry) Rating: 4.50
Posted on 2023-08-14 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Area of an Obtuse triangle from Equilateral triangle (in Geometry)
Posted on 2023-09-08 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 53 circles in a sliced square (in Geometry)
Posted on 2023-09-22 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Locus in a triangle (in Geometry) Rating: 4.00
Posted on 2023-10-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square sweep (in Geometry)
Posted on 2023-11-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pentagon maximized (in Geometry)
Posted on 2023-11-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Triangle cosine (in Geometry)
Posted on 2023-12-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Incircle in a semicircle (in Geometry)
Posted on 2023-11-30 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Around the World in 80 Hours (in Geometry)
Posted on 2024-07-30 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Triple angle perimeter minimized (in Geometry)
Posted on 2023-12-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Angle finding (in Geometry)
Posted on 2023-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Circle in a trapezoid (in Geometry)
Posted on 2023-12-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Circles surrounding circles I (in Geometry)
Posted on 2024-08-30 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle's features (in Geometry)
Posted on 2024-01-15 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Ellipse arching (in Geometry)
Posted on 2024-06-22 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Symmetric Pentagon Delight (in Geometry)
Posted on 2024-04-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Decagonal Intersection Delight (in Geometry)
Posted on 2024-04-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Inscribed Angles in a Circumscribed Pentagon (in Geometry)
Posted on 2024-05-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Configuration in a Regular Hexagon (in Geometry)
Posted on 2024-05-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Internal Division Angles (in Geometry)
Posted on 2024-05-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Tangent and Ratios in a Rectangle's Incircle (in Geometry)
Posted on 2024-06-07 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Inscribed Octagon (in Geometry)
Posted on 2024-06-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Point relation in a square (in Geometry)
Posted on 2024-06-20 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Tangential Tango (in Geometry)
Posted on 2024-07-04 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Ratios of Arc (in Geometry)
Posted on 2024-07-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Trisecting Harmony (in Geometry)
Posted on 2024-08-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Midpoints and angles (in Geometry)
Posted on 2024-08-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometry Charm in an Isosceles Triangle (in Geometry)
Posted on 2024-08-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Perpendiculars and Bisectors (in Geometry)
Posted on 2024-09-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Heart in a circle (in Geometry)
Posted on 2024-03-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Angle Bisectors and Midpoint Intersection (in Geometry)
Posted on 2024-09-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lattice Pentagon (in Geometry)
Posted on 2024-04-04 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Not the triangle (in Geometry)
Posted on 2024-10-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Equal areas in trapezoid (in Geometry)
Posted on 2024-10-16 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Integer Right Triangles with a Fixed Inradius (in Geometry)
Posted on 2024-10-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tangential circles within circle (in Geometry)
Posted on 2024-10-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pentagon relation (in Geometry)
Posted on 2024-11-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5External and internal tangents (in Geometry)
Posted on 2024-11-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Nine point circle (in Geometry)
Posted on 2024-11-23 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Investigating a point in equilateral triangle (in Geometry)
Posted on 2024-12-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Triangle bounded by rectangles (in Geometry)
Posted on 2024-12-11 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quadrilateral products (in Geometry)
Posted on 2024-12-15 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Twisted squares (in Geometry)
Posted on 2024-12-25 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A 45 degree angle within a triangle (in Geometry)
Posted on 2024-11-25 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 4 of 5The Coca-Cola Diet (in Science) Rating: 2.11
Posted on 2002-06-24 by friedlinguini (Solution Posted, 18 Comments)
Difficulty: 4 of 5Forensic Fancy (in Science) Rating: 2.63
Posted on 2002-08-20 by Hope (Solution Posted, 15 Comments)
Difficulty: 2 of 5Radiators (in Science) Rating: 3.09
Posted on 2002-09-26 by Jim Lyon (Solution Posted, 13 Comments)
Difficulty: 3 of 5H2O (in Science) Rating: 2.67
Posted on 2002-11-13 by cache master (Solution Posted, 15 Comments)
Difficulty: 2 of 5Passing through zero (in Science) Rating: 3.22
Posted on 2003-01-19 by Alan (Solution Posted, 15 Comments)
Difficulty: 3 of 5pH of water (in Science) Rating: 3.13
Posted on 2003-02-11 by np_rt (Solution Posted, 13 Comments)
Difficulty: 3 of 5pH of water again (in Science) Rating: 3.67
Posted on 2003-02-15 by np_rt (Solution Posted, 9 Comments)
Difficulty: 3 of 5Sunlight over the World (in Science) Rating: 2.60
Posted on 2003-03-09 by Charlie (Solution Posted, 6 Comments)
Difficulty: 2 of 5Earth Slowing Down (in Science) Rating: 2.50
Posted on 2003-03-08 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5Water level (in Science) Rating: 4.13
Posted on 2003-03-10 by fwaff (Solution Posted, 20 Comments)
Difficulty: 3 of 5Earth's Momentum (in Science) Rating: 3.00
Posted on 2003-03-12 by Charlie (Solution Posted, 16 Comments)
Difficulty: 2 of 5Solids are denser? (in Science) Rating: 2.25
Posted on 2003-03-23 by Alan (Solution Posted, 18 Comments)
Difficulty: 2 of 5The Monkey Tail Hunter (in Science) Rating: 3.00
Posted on 2004-05-28 by Gamer (Solution Posted, 18 Comments)
Difficulty: 3 of 5The floating mystery (in Science) Rating: 3.25
Posted on 2003-03-26 by Gautam (Solution Posted, 8 Comments)
Difficulty: 3 of 5Boiled eggs? (in Science) Rating: 3.20
Posted on 2003-03-27 by Gautam (Solution Posted, 5 Comments)
Difficulty: 3 of 5Cool it fast... (in Science) Rating: 2.40
Posted on 2003-04-01 by Gautam (Solution Posted, 22 Comments)
Difficulty: 3 of 5Rise of an object-Physics (in Science) Rating: 3.23
Posted on 2003-04-01 by Lucifer (Solution Posted, 16 Comments)
Difficulty: 3 of 5Lead Floats (in Science) Rating: 2.33
Posted on 2004-02-25 by Charlie (Solution Posted, 34 Comments)
Difficulty: 2 of 5In violation of Thermodynamics (in Science) Rating: 3.14
Posted on 2003-05-11 by Cory Taylor (Solution Posted, 18 Comments)
Difficulty: 3 of 5Distant Solar System (in Science) Rating: 2.60
Posted on 2003-09-18 by Charlie (Solution Posted, 16 Comments)
Difficulty: 4 of 5Through the Looking Glass (in Science) Rating: 3.67
Posted on 2004-01-29 by SilverKnight (Solution Posted, 13 Comments)
Difficulty: 5 of 5Relativistic bullet (in Science) Rating: 3.50
Posted on 2003-11-28 by SilverKnight (Solution Posted, 20 Comments)
Difficulty: 5 of 5What is quicker than the eye? (in Science) Rating: 3.70
Posted on 2004-03-04 by SilverKnight (No Solution Yet, 15 Comments)
Difficulty: 5 of 5Cigarette Bar Bet (in Science) Rating: 3.24
Posted on 2003-10-15 by Chan Wah (Solution Posted, 86 Comments)
Difficulty: 3 of 5Relativistic Bullet - perpendicular (in Science) Rating: 4.50
Posted on 2005-01-17 by Ken Haley (Solution Posted, 15 Comments)
Difficulty: 3 of 5A dangerous compound (in Science) Rating: 2.79
Posted on 2004-03-22 by Popstar Dave (Solution Posted, 43 Comments)
Difficulty: 5 of 5Moon Experiment (in Science) Rating: 2.40
Posted on 2004-11-22 by Brian Smith (Solution Posted, 22 Comments)
Difficulty: 4 of 5Tipping Tube (in Science) Rating: 3.75
Posted on 2005-06-23 by Bractals (Solution Posted, 12 Comments)
Difficulty: 2 of 5Geosynchronous Orbit (in Science) Rating: 2.60
Posted on 2004-06-05 by SilverKnight (Solution Posted, 14 Comments)
Difficulty: 4 of 5Make it go! (in Science) Rating: 4.50
Posted on 2005-03-18 by Federico Kereki (Solution Posted, 18 Comments)
Difficulty: 3 of 5Equivalent Equator Empirical Experience! (in Science) Rating: 2.80
Posted on 2005-03-27 by Old Original Oskar! (Solution Posted, 12 Comments)
Difficulty: 2 of 5Underwater Sound Localization (in Science) Rating: 4.00
Posted on 2005-04-14 by Larry (Solution Posted, 17 Comments)
Difficulty: 3 of 5Ice Floating in Water (in Science) Rating: 3.00
Posted on 2005-04-21 by np_rt (Solution Posted, 31 Comments)
Difficulty: 2 of 5Falling beer bubbles (in Science) Rating: 4.25
Posted on 2005-01-12 by Ken Haley (Solution Posted, 9 Comments)
Difficulty: 2 of 5Electrical Cube (in Science) Rating: 2.50
Posted on 2005-05-17 by Bractals (Solution Posted, 5 Comments)
Difficulty: 2 of 5Hidden Elements (in Science) Rating: 2.20
Posted on 2004-09-17 by Rob (Solution Posted, 16 Comments)
Difficulty: 1 of 5Balloon in a car (in Science) Rating: 3.67
Posted on 2004-12-16 by Sing4TheDay (Solution Posted, 21 Comments)
Difficulty: 2 of 5In the year 2525... (in Science) Rating: 3.00
Posted on 2005-03-14 by Hugo (Solution Posted, 9 Comments)
Difficulty: 3 of 5Bowl and Rod (in Science) Rating: 2.00
Posted on 2004-12-31 by Bractals (Solution Posted, 18 Comments)
Difficulty: 3 of 5Tethered satellites (in Science) Rating: 3.50
Posted on 2005-04-13 by Larry (Solution Posted, 13 Comments)
Difficulty: 2 of 5Route Step, MARCH (in Science) Rating: 5.00
Posted on 2005-04-16 by Bruce Brantley (Solution Posted, 11 Comments)
Difficulty: 2 of 5Magnetic Mystery (in Science) Rating: 3.40
Posted on 2005-01-25 by nikki (Solution Posted, 19 Comments)
Difficulty: 3 of 5They do it with mirrors (in Science) Rating: 3.80
Posted on 2006-04-26 by goFish (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Hollow ball (in Science) Rating: 3.67
Posted on 2005-03-25 by Sam (Solution Posted, 26 Comments)
Difficulty: 3 of 5Balls of confusion (in Science) Rating: 4.33
Posted on 2005-04-05 by Hugo (Solution Posted, 12 Comments)
Difficulty: 5 of 5The Domino Theory (in Science) Rating: 3.50
Posted on 2006-06-28 by Haruki (No Solution Yet, 8 Comments)
Difficulty: 3 of 5L.A. to Hawaii (in Science) Rating: 2.00
Posted on 2005-06-17 by Erik O. (Solution Posted, 11 Comments)
Difficulty: 3 of 5From a Balloon (in Science) Rating: 3.00
Posted on 2005-07-07 by Erik O. (No Solution Yet, 36 Comments)
Difficulty: 5 of 5Three Balls in a Bowl (in Science) Rating: 3.80
Posted on 2005-09-07 by Bractals (No Solution Yet, 19 Comments)
Difficulty: 3 of 5Up or down or... (in Science) Rating: 2.33
Posted on 2005-07-22 by nilshady (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Will You Do it? (in Science) Rating: 2.50
Posted on 2006-07-14 by Arghman (Solution Posted, 6 Comments)
Difficulty: 3 of 5The Infinite Drive (in Science) Rating: 3.50
Posted on 2006-02-18 by Larry (Solution Posted, 5 Comments)
Difficulty: 3 of 5Time to run out water (in Science) Rating: 1.25
Posted on 2006-07-13 by Salil (No Solution Yet, 11 Comments)
Difficulty: 5 of 5Boiling Impossibilities (in Science) Rating: 3.20
Posted on 2005-12-06 by Haruki (Solution Posted, 41 Comments)
Difficulty: 3 of 5Japanese village (in Science) Rating: 3.50
Posted on 2006-03-01 by goFish (Solution Posted, 7 Comments)
Difficulty: 5 of 5Some physics problems? (in Science) Rating: 4.00
Posted on 2006-04-16 by Jack Lim (Solution Posted, 13 Comments)
Difficulty: 1 of 5Sinking Ball (in Science) Rating: 2.00
Posted on 2006-01-03 by Brian Smith (Solution Posted, 8 Comments)
Difficulty: 4 of 5The Paradox of Relativity (in Science) Rating: 4.33
Posted on 2006-05-24 by Tristan (Solution Posted, 10 Comments)
Difficulty: 2 of 5Two spheres in a tank (in Science) Rating: 3.50
Posted on 2006-01-05 by pcbouhid (Solution Posted, 11 Comments)
Difficulty: 3 of 5Relativistic snapshot (in Science) Rating: 3.33
Posted on 2006-05-26 by Tristan (Solution Posted, 12 Comments)
Difficulty: 3 of 5The Longest Drive (in Science) Rating: 3.50
Posted on 2005-12-26 by Josh70679 (No Solution Yet, 17 Comments)
Difficulty: 2 of 5Mister Resistor (in Science) Rating: 4.67
Posted on 2006-11-03 by Larry (Solution Posted, 114 Comments)
Difficulty: 3 of 5Object sliding (in Science) Rating: 4.00
Posted on 2006-08-01 by atheron (No Solution Yet, 9 Comments)
Difficulty: 2 of 5The Bucket (in Science) Rating: 3.00
Posted on 2006-09-28 by Salil (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Faraday's experiment (in Science) Rating: 4.00
Posted on 2006-10-20 by atheron (No Solution Yet, 9 Comments)
Difficulty: 1 of 5Strange glasses (in Science) Rating: 3.00
Posted on 2006-09-12 by Tristan (Solution Posted, 9 Comments)
Difficulty: 2 of 5Corker (in Science) Rating: 4.33
Posted on 2006-10-02 by Salil (No Solution Yet, 15 Comments)
Difficulty: 3 of 5The power of friction (in Science) Rating: 4.00
Posted on 2006-09-26 by vswitchs (Solution Posted, 2 Comments)
Difficulty: 4 of 5Ultrashort colour (in Science) Rating: 3.75
Posted on 2006-10-06 by vswitchs (Solution Posted, 15 Comments)
Difficulty: 4 of 5Hoop Dreams (in Science) Rating: 4.00
Posted on 2006-11-10 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Buster's Terminal Velocity (in Science) Rating: 4.00
Posted on 2006-12-27 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Giant Marble (in Science) Rating: 4.00
Posted on 2006-12-28 by Kenny M (Solution Posted, 5 Comments)
Difficulty: 3 of 5Snookered! (Part I) (in Science) Rating: 3.00
Posted on 2007-01-01 by Kenny M (Solution Posted, 4 Comments)
Difficulty: 3 of 5Alien Messages (in Science) Rating: 2.80
Posted on 2007-01-23 by Bractals (Solution Posted, 4 Comments)
Difficulty: 3 of 5Let's Roll (in Science) Rating: 3.50
Posted on 2007-01-26 by Kenny M (Solution Posted, 9 Comments)
Difficulty: 3 of 5Snookered! Part II (in Science)
Posted on 2007-02-08 by Kenny M (Solution Posted, 1 Comments)
Difficulty: 3 of 5Come Sail Away (in Science) Rating: 3.33
Posted on 2007-02-12 by Kenny M (Solution Posted, 10 Comments)
Difficulty: 3 of 5Fellows on a Bellows (in Science) Rating: 4.00
Posted on 2007-02-28 by Kenny M (Solution Posted, 1 Comments)
Difficulty: 3 of 5Another relativistic snapshot (in Science) Rating: 4.00
Posted on 2007-03-07 by Tristan (Solution Posted, 3 Comments)
Difficulty: 3 of 5Water Cocoon - Defying Newton (in Science) Rating: 4.00
Posted on 2007-12-09 by brianjn (No Solution Yet, 10 Comments)
Difficulty: 3 of 5The Car and the Train (in Science) Rating: 3.00
Posted on 2008-01-30 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sliding blocks (in Science)
Posted on 2008-06-29 by Jonathan Lindgren (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two Rolling Balls (in Science) Rating: 3.50
Posted on 2009-11-04 by Brian Smith (No Solution Yet, 21 Comments)
Difficulty: 3 of 5Cantilever Structure (in Science) Rating: 3.50
Posted on 2010-02-26 by Bractals (Solution Posted, 6 Comments)
Difficulty: 2 of 5Chemical Relativity (in Science) Rating: 3.00
Posted on 2010-03-22 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Arrival Appraisal (in Science)
Posted on 2014-11-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Penny Drop (in Science) Rating: 3.00
Posted on 2013-01-17 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Solubility Settlement (in Science)
Posted on 2013-03-15 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Temperature Temperament II (in Science) Rating: 2.00
Posted on 2013-04-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5End Breadth (in Science) Rating: 5.00
Posted on 2013-10-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5A scaled-down experiment (in Science) Rating: 4.00
Posted on 2013-04-17 by broll (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Five to One (in Science) Rating: 4.00
Posted on 2013-09-27 by Brian Smith (Solution Posted, 1 Comments)
Difficulty: 4 of 5Bright light (in Science) Rating: 4.50
Posted on 2015-04-09 by Kenny M (Solution Posted, 9 Comments)
Difficulty: 2 of 5Sunset Anomaly (in Science) Rating: 3.00
Posted on 2016-03-09 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Electrical Cube 2 (in Science) Rating: 4.00
Posted on 2016-03-25 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Electrical Cube 3 (in Science) Rating: 3.00
Posted on 2016-04-15 by Brian Smith (Solution Posted, 2 Comments)
Difficulty: 2 of 5Two items to get sqrt of 2 (in Science) Rating: 3.00
Posted on 2016-07-19 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Save my spa! (in Science)
Posted on 2018-06-27 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 2 of 5Not enough information! (in Science)
Posted on 2018-03-23 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Night Lights - Light Nights (in Science)
Posted on 2018-07-24 by Steven Lord (Solution Posted, 4 Comments)
Difficulty: 4 of 5May the Force be with you (in Science)
Posted on 2018-05-04 by Kenny M (Solution Posted, 2 Comments)
Difficulty: 4 of 5Astronomy: Binoculars, for fun and profit (in Science)
Posted on 2018-06-29 by Steven Lord (Solution Posted, 10 Comments)
Difficulty: 2 of 5Earth, The Scofflaw Planet (in Science)
Posted on 2018-07-09 by Steven Lord (Solution Posted, 9 Comments)
Difficulty: 3 of 5Weight of nothing in an elevator (in Science)
Posted on 2018-09-06 by Jer (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Designing Planets (in Science) Rating: 1.00
Posted on 2019-01-04 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 1 of 5Teapot effect (in Science) Rating: 3.67
Posted on 2019-02-20 by Danish Ahmed Khan (No Solution Yet, 15 Comments)
Difficulty: 2 of 5Expanding Annulus (in Science)
Posted on 2019-02-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Do defects have benefits? (in Science)
Posted on 2019-03-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 5 of 5From One North Pole to the Other (in Science)
Posted on 2019-06-21 by Danish Ahmed Khan (No Solution Yet, 21 Comments)
Difficulty: 2 of 5Mobile screen under Sunlight (in Science)
Posted on 2019-04-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Down the hill (in Science)
Posted on 2019-07-05 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Hot and Cold Cubes (in Science)
Posted on 2019-04-04 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 5 of 5Balancing Hemispheres (in Science)
Posted on 2019-11-15 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 4 of 5The Loopy Lunatic (in Science)
Posted on 2021-05-20 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Chemical Sequence (in Science) Rating: 4.00
Posted on 2021-04-26 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Special dates (in Science) Rating: 4.00
Posted on 2021-07-06 by Ady TZIDON (No Solution Yet, 44 Comments)
Difficulty: 3 of 5Having a Ball with Newton in Floobleland (in Science) Rating: 3.50
Posted on 2021-07-22 by Kenny M (Solution Posted, 9 Comments)
Difficulty: 2 of 5Bronze Ball Contest Conclusion (in Science) Rating: 5.00
Posted on 2022-07-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Boat Element Bother (in Science) Rating: 5.00
Posted on 2022-01-24 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 2 of 5A Cold and Frosty Morning (in Science) Rating: 4.00
Posted on 2022-08-15 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Broom Balance Bother (in Science) Rating: 5.00
Posted on 2022-03-19 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Ketchup Sachet Settlement (in Science) Rating: 5.00
Posted on 2022-03-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Water Freeze Wangle (in Science) Rating: 5.00
Posted on 2022-04-10 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Mixture Mix Muse (in Science) Rating: 5.00
Posted on 2022-04-16 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 2 of 5Water Glass Wangle (in Science) Rating: 4.00
Posted on 2022-04-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Double Pressure Predicament (in Science) Rating: 5.00
Posted on 2022-09-05 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Termite Termination Travail (in Science) Rating: 5.00
Posted on 2022-05-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Ice Cube Mystery (in Science) Rating: 5.00
Posted on 2022-08-09 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Liquid Enigma (in Science) Rating: 4.50
Posted on 2022-08-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Water in the Cup (in Science) Rating: 5.00
Posted on 2023-01-04 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Cool It Again, Brother (in Science) Rating: 5.00
Posted on 2022-08-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Chilly Wager Confusion (in Science) Rating: 3.33
Posted on 2022-09-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Nano-laboratory Nuance (in Science) Rating: 4.50
Posted on 2022-09-12 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mysterious CD Muse (in Science) Rating: 5.00
Posted on 2022-09-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Air Plane Episode Ascertainment (in Science) Rating: 5.00
Posted on 2022-10-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Close Shave Conclusion (in Science) Rating: 5.00
Posted on 2022-10-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5NASA Canary Conclusion (in Science) Rating: 4.00
Posted on 2022-10-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Clean Water Conclusion (in Science) Rating: 4.00
Posted on 2022-11-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Telescopic Trial (in Science) Rating: 5.00
Posted on 2022-12-05 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Atom-sized Black Hole Mass (in Science) Rating: 5.00
Posted on 2022-12-08 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 1 of 5Long Distance Proposal Poser (in Science) Rating: 4.00
Posted on 2023-01-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Broken TV Testament (in Science) Rating: 5.00
Posted on 2023-02-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Skier and Force Formulation (in Science) Rating: 5.00
Posted on 2023-02-23 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Travel Chat (in Science) Rating: 5.00
Posted on 2023-05-18 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Diamond and Graphite (in Science) Rating: 3.50
Posted on 2023-06-27 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Albany and Tallahassee (in Science)
Posted on 2023-02-16 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sunshine on the Land Hemisphere (in Science)
Posted on 2023-06-06 by Charlie (Solution Posted, 3 Comments)
Difficulty: 4 of 5Let there be Light! (in Science)
Posted on 2023-07-04 by Kenny M (Solution Posted, 6 Comments)
Difficulty: 2 of 5Tropic Monuments (in Science)
Posted on 2023-07-10 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5How often Does a Blue Moon..... (in Science)
Posted on 2024-11-23 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5The World is Not Flat (in Science)
Posted on 2024-12-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Gravitational Acceleration at the Apex (in Science)
Posted on 2024-12-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Shining Light (in Science)
Posted on 2024-12-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5The race (in Tricks) Rating: 2.20
Posted on 2002-05-29 by Half-Mad (Solution Posted, 26 Comments)
Difficulty: 1 of 5A Full Table (in Tricks) Rating: 2.33
Posted on 2002-10-24 by levik (Solution Posted, 13 Comments)
Difficulty: 2 of 5The impossible task...or is it? (in Tricks) Rating: 2.63
Posted on 2002-12-03 by Erin (Solution Posted, 18 Comments)
Difficulty: 2 of 5A flawed proof? (in Tricks) Rating: 2.92
Posted on 2002-12-20 by phil (Solution Posted, 13 Comments)
Difficulty: 2 of 5Fill in the blank logic (in Tricks) Rating: 3.67
Posted on 2003-01-04 by ionman (Solution Posted, 24 Comments)
Difficulty: 2 of 5Seconds in a year (in Tricks) Rating: 3.04
Posted on 2003-01-06 by ... (Solution Posted, 38 Comments)
Difficulty: 2 of 5Sally's Silly Walk (in Tricks) Rating: 2.21
Posted on 2003-01-07 by Matthew Bobbins (Solution Posted, 16 Comments)
Difficulty: 1 of 5The walkaround (in Tricks) Rating: 2.50
Posted on 2003-01-23 by Alan (Solution Posted, 13 Comments)
Difficulty: 3 of 5One Equals Two (in Tricks) Rating: 3.17
Posted on 2003-08-22 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 3 of 5Can 1 Dollar = 1 Cent (in Tricks) Rating: 2.85
Posted on 2003-05-03 by Jonny Doe (Solution Posted, 27 Comments)
Difficulty: 3 of 5Face Your Opponent (in Tricks) Rating: 2.50
Posted on 2005-03-22 by Syzygy (Solution Posted, 7 Comments)
Difficulty: 3 of 5Telephone Call (in Tricks) Rating: 2.33
Posted on 2003-06-30 by Alan (Solution Posted, 26 Comments)
Difficulty: 3 of 5Limit (in Tricks) Rating: 2.56
Posted on 2003-04-28 by Bryan (Solution Posted, 12 Comments)
Difficulty: 2 of 5Where The Smoke Blows (in Tricks) Rating: 2.00
Posted on 2003-06-20 by Jonny Doe (Solution Posted, 22 Comments)
Difficulty: 3 of 5Fishy business (in Tricks) Rating: 3.57
Posted on 2003-11-08 by Popstar Dave (Solution Posted, 23 Comments)
Difficulty: 1 of 5Not another one! (in Tricks) Rating: 2.76
Posted on 2003-11-13 by Gamer (Solution Posted, 26 Comments)
Difficulty: 1 of 5The famous horse (in Tricks) Rating: 3.56
Posted on 2003-09-17 by Gamer (Solution Posted, 26 Comments)
Difficulty: 3 of 5Buying Chestnuts (in Tricks) Rating: 3.00
Posted on 2004-01-05 by Gamer (Solution Posted, 20 Comments)
Difficulty: 3 of 5More Bird Watching (in Tricks) Rating: 2.50
Posted on 2004-06-02 by Gamer (Solution Posted, 15 Comments)
Difficulty: 3 of 5Don't touch! (in Tricks) Rating: 3.56
Posted on 2003-10-24 by Gamer (Solution Posted, 28 Comments)
Difficulty: 2 of 5A pronounced day (in Tricks) Rating: 2.75
Posted on 2003-12-25 by Gamer (Solution Posted, 13 Comments)
Difficulty: 3 of 5Contrived Card Change! (in Tricks) Rating: 2.17
Posted on 2005-03-15 by Old Original Oskar! (Solution Posted, 2 Comments)
Difficulty: 1 of 5Block Tour (in Tricks) Rating: 3.57
Posted on 2004-05-19 by Gamer (Solution Posted, 22 Comments)
Difficulty: 3 of 5Is there a six-letter word? (in Tricks) Rating: 3.00
Posted on 2005-05-03 by Dustin (Solution Posted, 21 Comments)
Difficulty: 1 of 5kst (in Tricks) Rating: 3.27
Posted on 2004-05-03 by Popstar Dave (Solution Posted, 14 Comments)
Difficulty: 3 of 5Cabin Fever (in Tricks) Rating: 2.33
Posted on 2004-05-24 by Popstar Dave (Solution Posted, 8 Comments)
Difficulty: 3 of 5To the moons, Alice !! (in Tricks) Rating: 3.75
Posted on 2004-03-30 by Dan (Solution Posted, 16 Comments)
Difficulty: 2 of 5Hungry Ant (in Tricks) Rating: 3.33
Posted on 2005-01-21 by Detti (Solution Posted, 15 Comments)
Difficulty: 2 of 5950 (in Tricks) Rating: 3.50
Posted on 2004-06-10 by Brian Smith (Solution Posted, 23 Comments)
Difficulty: 1 of 5Half of Twelve is... Seven? (in Tricks) Rating: 2.70
Posted on 2005-01-11 by Rob (Solution Posted, 15 Comments)
Difficulty: 2 of 5Proving a witch weighs the same as a duck (in Tricks) Rating: 3.00
Posted on 2005-02-21 by Dustin (Solution Posted, 13 Comments)
Difficulty: 1 of 5My clever father (in Tricks) Rating: 2.00
Posted on 2005-06-24 by pcbouhid (Solution Posted, 14 Comments)
Difficulty: 3 of 5The Gardener and the Cook (in Tricks) Rating: 3.63
Posted on 2006-03-01 by goFish (Solution Posted, 30 Comments)
Difficulty: 3 of 5Keeping it Positive (in Tricks) Rating: 4.33
Posted on 2005-12-29 by tanx (Solution Posted, 24 Comments)
Difficulty: 1 of 5Leave a different letter (in Tricks) Rating: 3.67
Posted on 2005-09-28 by pcbouhid (Solution Posted, 19 Comments)
Difficulty: 2 of 5The Dilemma of a Prisoner part 1 (in Tricks) Rating: 2.50
Posted on 2006-03-30 by SeaCalMaster (Solution Posted, 17 Comments)
Difficulty: 1 of 5A Sure Bet (in Tricks) Rating: 1.67
Posted on 2006-02-06 by Vernon Lewis (Solution Posted, 10 Comments)
Difficulty: 1 of 5What number? (in Tricks) Rating: 4.33
Posted on 2005-12-16 by Larry (Solution Posted, 6 Comments)
Difficulty: 3 of 5Two to Find (in Tricks) Rating: 4.25
Posted on 2006-04-01 by Vernon Lewis (Solution Posted, 8 Comments)
Difficulty: 2 of 5Don't drink and run (in Tricks) Rating: 3.67
Posted on 2006-04-03 by Jer (Solution Posted, 6 Comments)
Difficulty: 2 of 5The Dilemma of a Prisoner part 2 (in Tricks) Rating: 3.00
Posted on 2006-03-31 by SeaCalMaster (No Solution Yet, 17 Comments)
Difficulty: 1 of 5Silly Sphere (in Tricks) Rating: 4.33
Posted on 2005-12-27 by Larry (Solution Posted, 9 Comments)
Difficulty: 2 of 5What do you... (in Tricks) Rating: 2.38
Posted on 2006-05-09 by Stephen (Solution Posted, 12 Comments)
Difficulty: 2 of 5A Numeral Sequence Problem (in Tricks) Rating: 4.50
Posted on 2006-11-07 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Can you find this kind of function? (in Tricks) Rating: 3.50
Posted on 2006-08-28 by atheron (No Solution Yet, 10 Comments)
Difficulty: 1 of 5Rooms (in Tricks) Rating: 3.75
Posted on 2006-11-13 by Lillian (No Solution Yet, 18 Comments)
Difficulty: 1 of 5Chicken or Egg (in Tricks) Rating: 3.67
Posted on 2006-11-21 by Paddy (Solution Posted, 20 Comments)
Difficulty: 2 of 52+2 (in Tricks) Rating: 3.60
Posted on 2007-03-04 by Minerva (Solution Posted, 18 Comments)
Difficulty: 1 of 5ELECTRICITY (in Tricks) Rating: 2.50
Posted on 2007-03-14 by Assaf (Solution Posted, 6 Comments)
Difficulty: 2 of 5Another Maze (in Tricks)
Posted on 2007-04-13 by Joe (Solution Posted, 14 Comments)
Difficulty: 1 of 5A turtles' problem (in Tricks) Rating: 3.75
Posted on 2007-05-17 by Assaf (Solution Posted, 16 Comments)
Difficulty: 2 of 5Out of gas. (in Tricks) Rating: 4.00
Posted on 2007-09-22 by jduval (Solution Posted, 29 Comments)
Difficulty: 2 of 5It's right under your nose (from time to time) (in Tricks) Rating: 2.00
Posted on 2008-05-09 by FrankM (Solution Posted, 7 Comments)
Difficulty: 1 of 51,000 (in Tricks) Rating: 1.20
Posted on 2008-04-28 by Brian Smith (No Solution Yet, 18 Comments)
Difficulty: 3 of 5Devious Kinder Blocks (in Tricks) Rating: 4.00
Posted on 2008-06-18 by brianjn (Solution Posted, 8 Comments)
Difficulty: 2 of 5How much time will you spend? (in Tricks)
Posted on 2009-06-29 by pcbouhid (Solution Posted, 3 Comments)
Difficulty: 2 of 5Three forever (in Tricks) Rating: 2.75
Posted on 2010-09-30 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Guessing ages (in Tricks) Rating: 5.00
Posted on 2014-08-08 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5Slick Equality (in Tricks) Rating: 3.00
Posted on 2012-03-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Decimal base? Of course... (in Tricks) Rating: 4.50
Posted on 2012-02-13 by Ady TZIDON (Solution Posted, 15 Comments)
Difficulty: 1 of 5Doubtful Divisibility (in Tricks) Rating: 5.00
Posted on 2012-05-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Ways and means (in Tricks) Rating: 1.75
Posted on 2014-06-05 by Ady TZIDON (Solution Posted, 11 Comments)
Difficulty: 2 of 5Wall space (in Tricks) Rating: 5.00
Posted on 2012-08-31 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5440 (in Tricks) Rating: 3.67
Posted on 2012-09-10 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 1 of 5Card game II (in Tricks) Rating: 3.00
Posted on 2012-09-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5A flawed proof? (2) (in Tricks)
Posted on 2012-09-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Cookie Monster (in Tricks) Rating: 4.50
Posted on 2012-09-06 by Joshua (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Who is older? (in Tricks) Rating: 3.00
Posted on 2013-01-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5What's wrong with him? (in Tricks)
Posted on 2013-05-16 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Winning Number (in Tricks)
Posted on 2013-06-26 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5My first is in MEAT, but not in FEET (in Tricks) Rating: 4.50
Posted on 2013-12-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Six Letter Strikeout (in Tricks) Rating: 3.00
Posted on 2013-12-10 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A neat trick (in Tricks) Rating: 4.00
Posted on 2013-12-26 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Geography? Spelling? Logic? (in Tricks)
Posted on 2014-01-24 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 1 of 5Add only F (in Tricks) Rating: 5.00
Posted on 2015-03-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5The Red Rows (in Tricks) Rating: 5.00
Posted on 2015-04-01 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A self-working card trick (in Tricks)
Posted on 2015-08-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Three-syllable word (in Tricks)
Posted on 2015-09-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prediction (in Tricks)
Posted on 2015-11-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Wise Russell (in Tricks) Rating: 5.00
Posted on 2015-11-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Point Ponder (in Tricks) Rating: 5.00
Posted on 2016-06-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Finding the hidden digit (in Tricks)
Posted on 2016-09-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The triple threat (in Tricks)
Posted on 2016-09-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Biting the Apple (in Tricks)
Posted on 2016-09-21 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Number prediction (in Tricks) Rating: 5.00
Posted on 2016-09-26 by Charlie (Solution Posted, 6 Comments)
Difficulty: 1 of 5Online translation (in Tricks)
Posted on 2017-10-30 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Perform and explain (in Tricks)
Posted on 2017-12-12 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 1 of 5Four singers (in Tricks)
Posted on 2018-03-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Elementary nationality (in Tricks) Rating: 5.00
Posted on 2020-07-22 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reverse engineering (in Tricks) Rating: 3.00
Posted on 2021-01-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Ones and Zero Operation Outcome (in Tricks) Rating: 4.00
Posted on 2023-01-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Seemingly Faulty (in Tricks) Rating: 5.00
Posted on 2022-07-13 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Two Plus Two Equals Five (in Tricks) Rating: 5.00
Posted on 2022-11-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Clairvoyance (in Tricks) Rating: 5.00
Posted on 2022-07-11 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 1 of 5The Strange Behavior of i (in Tricks) Rating: 5.00
Posted on 2023-06-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5What Time Does the Clock Read? (in Tricks) Rating: 5.00
Posted on 2024-04-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Cables II (in Tricks)
Posted on 2024-03-27 by Kenny M (Solution Posted, 2 Comments)
Difficulty: 1 of 5Curiouser and curiouser (in Famous Riddles) Rating: 3.08
Posted on 2002-11-06 by Happy (Solution Posted, 14 Comments)
Difficulty: 2 of 5Brothers and Sisters (in Famous Riddles) Rating: 3.56
Posted on 2002-12-30 by cges (Solution Posted, 54 Comments)
Difficulty: 2 of 5Requires all knowlege (in Famous Riddles) Rating: 3.13
Posted on 2003-01-24 by Erin (Solution Posted, 33 Comments)
Difficulty: 2 of 5Riddle of the Sphinx (in Famous Riddles) Rating: 2.43
Posted on 2003-03-11 by sarah (Solution Posted, 43 Comments)
Difficulty: 4 of 5Paradox or a Riddle (in Famous Riddles) Rating: 3.00
Posted on 2003-04-18 by Ravi Raja (Solution Posted, 31 Comments)
Difficulty: 2 of 5Crime and Punishment (in Famous Riddles) Rating: 2.44
Posted on 2003-04-20 by Ravi Raja (Solution Posted, 47 Comments)
Difficulty: 2 of 5Journey To St. Ives (in Famous Riddles) Rating: 2.40
Posted on 2003-05-19 by Ravi Raja (Solution Posted, 43 Comments)
Difficulty: 3 of 5And another Hobbit Riddle (in Famous Riddles) Rating: 3.09
Posted on 2003-06-13 by Ravi Raja (Solution Posted, 28 Comments)
Difficulty: 2 of 5Horses On Hills (in Famous Riddles) Rating: 2.29
Posted on 2003-06-06 by Ravi Raja (Solution Posted, 30 Comments)
Difficulty: 3 of 5Umpteenth Hobbit Riddle (in Famous Riddles) Rating: 2.35
Posted on 2003-06-17 by Ravi Raja (Solution Posted, 42 Comments)
Difficulty: 2 of 5Riddle from the Hobbit (in Famous Riddles) Rating: 3.29
Posted on 2003-06-05 by The Mighty Puck (Solution Posted, 34 Comments)
Difficulty: 2 of 5Another Hobbit Riddle (in Famous Riddles) Rating: 2.38
Posted on 2003-06-08 by The Mighty Puck (Solution Posted, 24 Comments)
Difficulty: 3 of 5Yet Another Hobbit Riddle (in Famous Riddles) Rating: 3.09
Posted on 2003-06-12 by The Mighty Puck (Solution Posted, 22 Comments)
Difficulty: 1 of 5Southern Exposure (in Famous Riddles) Rating: 2.73
Posted on 2005-06-01 by Bec (Solution Posted, 47 Comments)
Difficulty: 1 of 5A Man Without Eyes (in Famous Riddles) Rating: 3.30
Posted on 2005-05-10 by Dustin (Solution Posted, 31 Comments)
Difficulty: 1 of 5When First the Marriage Knot was Ty'd (in Famous Riddles) Rating: 4.11
Posted on 2004-12-02 by Erik O. (Solution Posted, 24 Comments)
Difficulty: 3 of 5Hark! Who's Traveling? (in Famous Riddles) Rating: 3.13
Posted on 2004-12-21 by Siren (Solution Posted, 20 Comments)
Difficulty: 1 of 5Contradictory? (in Famous Riddles) Rating: 2.13
Posted on 2005-06-27 by Brandon (Solution Posted, 59 Comments)
Difficulty: 1 of 5'Twas whispered in heaven (in Famous Riddles) Rating: 4.31
Posted on 2005-06-17 by The riddler (Solution Posted, 14 Comments)
Difficulty: 1 of 5My name... (in Famous Riddles) Rating: 3.80
Posted on 2006-04-28 by Stephen (Solution Posted, 32 Comments)
Difficulty: 3 of 5Without having read Harry Potter, then? ;) (in Famous Riddles) Rating: 2.86
Posted on 2006-02-01 by Enigma (No Solution Yet, 26 Comments)
Difficulty: 1 of 5Old Mother Twitchett (in Famous Riddles) Rating: 3.14
Posted on 2006-07-06 by bookworm (Solution Posted, 19 Comments)
Difficulty: 1 of 5Padre (in Famous Riddles) Rating: 3.30
Posted on 2006-04-19 by pinky (No Solution Yet, 27 Comments)
Difficulty: 3 of 5Life is full of me! (in Famous Riddles) Rating: 3.50
Posted on 2006-09-07 by bookworm (No Solution Yet, 19 Comments)
Difficulty: 2 of 5Old English Riddle (in Famous Riddles) Rating: 2.75
Posted on 2006-11-30 by Nadia Modagon (Solution Posted, 5 Comments)
Difficulty: 3 of 5Four Spheres (in Famous Riddles) Rating: 5.00
Posted on 2007-03-10 by Minerva (Solution Posted, 3 Comments)
Difficulty: 4 of 5My next alone has soul (in Famous Riddles) Rating: 4.00
Posted on 2007-03-06 by Minerva (Solution Posted, 3 Comments)
Difficulty: 2 of 5The Diamond Caper (in Famous Riddles) Rating: 2.67
Posted on 2008-05-31 by FrankM (Solution Posted, 8 Comments)
Difficulty: 2 of 5Stranger Danger (in Famous Riddles) Rating: 3.00
Posted on 2014-08-25 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5To a fifth of the wind, that pierces us most (in Famous Riddles)
Posted on 2014-11-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5My total is a brilliant gem (in Famous Riddles) Rating: 5.00
Posted on 2014-10-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5From rosy bowers we issue forth (in Famous Riddles)
Posted on 2013-01-23 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5In camps about the centre I appear (in Famous Riddles) Rating: 5.00
Posted on 2013-03-20 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5An insect of the smallest kind (in Famous Riddles)
Posted on 2013-04-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5A thing whereon all Princes lie (in Famous Riddles)
Posted on 2015-05-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5A word there is of plural number (in Famous Riddles)
Posted on 2015-07-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Is it possible? (in Famous Riddles) Rating: 4.00
Posted on 2015-04-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Two sisters (in Famous Riddles)
Posted on 2015-11-12 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5My first was dreary, cold, and dark (in Famous Riddles) Rating: 5.00
Posted on 2016-10-13 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A direct count (in Famous Riddles) Rating: 3.00
Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5T better than S (in Famous Riddles) Rating: 2.00
Posted on 2017-02-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Opening your eyes (in Famous Riddles) Rating: 2.00
Posted on 2017-01-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Published in the thirties (in Famous Riddles) Rating: 4.00
Posted on 2017-08-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5A triple T question (in Famous Riddles) Rating: 2.00
Posted on 2017-11-20 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5No miracles (in Famous Riddles) Rating: 4.00
Posted on 2017-12-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Billions of Eyes (in Famous Riddles) Rating: 5.00
Posted on 2022-08-21 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5Voiceless it cries (in Famous Riddles) Rating: 5.00
Posted on 2022-10-30 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5First think of the person who lives in disguise (in Famous Riddles) Rating: 4.00
Posted on 2023-10-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Had Had (in Word Problems) Rating: 2.67
Posted on 2002-11-23 by friedlinguini (Solution Posted, 11 Comments)
Difficulty: 1 of 53 From 1 (in Word Problems) Rating: 3.89
Posted on 2003-02-11 by Erin (Solution Posted, 20 Comments)
Difficulty: 5 of 5Thirteen Words (in Word Problems) Rating: 3.60
Posted on 2003-03-19 by Charlie (Solution Posted, 14 Comments)
Difficulty: 2 of 5Four words (in Word Problems) Rating: 2.00
Posted on 2003-03-05 by Candi (Solution Posted, 22 Comments)
Difficulty: 4 of 5Who Ordered the Pi? (in Word Problems) Rating: 1.78
Posted on 2003-04-21 by Bryan (Solution Posted, 11 Comments)
Difficulty: 4 of 5Words in Common 5 (in Word Problems) Rating: 4.20
Posted on 2003-09-16 by Bryan (Solution Posted, 8 Comments)
Difficulty: 3 of 5Is It or Is It Not ? (in Word Problems) Rating: 3.00
Posted on 2003-07-27 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 3 of 5Six Letters And Eight Words (in Word Problems) Rating: 2.00
Posted on 2003-07-31 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 4 of 5Words in Common 8 (in Word Problems) Rating: 1.78
Posted on 2003-10-16 by Bryan (Solution Posted, 10 Comments)
Difficulty: 3 of 5Mysteries of the English Language (in Word Problems) Rating: 3.50
Posted on 2003-03-20 by Erin (Solution Posted, 14 Comments)
Difficulty: 3 of 5English Word (in Word Problems) Rating: 1.60
Posted on 2003-12-26 by Ravi Raja (Solution Posted, 11 Comments)
Difficulty: 2 of 5Mystery person (in Word Problems) Rating: 2.38
Posted on 2003-06-25 by Tim Axoy (Solution Posted, 12 Comments)
Difficulty: 3 of 5Double Cross 2 (in Word Problems) Rating: 4.00
Posted on 2003-12-14 by DJ (Solution Posted, 9 Comments)
Difficulty: 2 of 5Words in Common 11 (in Word Problems) Rating: 3.11
Posted on 2004-03-19 by Victor Zapana (Solution Posted, 17 Comments)
Difficulty: 3 of 5Word Meld 3 (in Word Problems) Rating: 4.17
Posted on 2003-07-29 by DJ (Solution Posted, 6 Comments)
Difficulty: 3 of 5Numbered Letters (in Word Problems) Rating: 3.29
Posted on 2003-07-17 by Lewis (Solution Posted, 28 Comments)
Difficulty: 3 of 5Word Meld 1 (in Word Problems) Rating: 4.42
Posted on 2003-06-06 by DJ (Solution Posted, 23 Comments)
Difficulty: 3 of 5Wacky Wordies (in Word Problems) Rating: 3.67
Posted on 2003-09-02 by Lewis (Solution Posted, 10 Comments)
Difficulty: 3 of 5Word Meld 6 (in Word Problems) Rating: 2.33
Posted on 2003-09-04 by Gamer (Solution Posted, 14 Comments)
Difficulty: 3 of 5Word Meld 2 (in Word Problems) Rating: 4.22
Posted on 2003-07-04 by DJ (Solution Posted, 10 Comments)
Difficulty: 3 of 5Ten Words (in Word Problems) Rating: 3.75
Posted on 2004-05-26 by SilverKnight (Solution Posted, 9 Comments)
Difficulty: 5 of 5Words in Common 3 (in Word Problems) Rating: 3.44
Posted on 2003-09-03 by Bryan (Solution Posted, 14 Comments)
Difficulty: 2 of 5Not so triggy (in Word Problems) Rating: 3.00
Posted on 2003-09-19 by fwaff (Solution Posted, 18 Comments)
Difficulty: 3 of 5Words in Common 9 (in Word Problems) Rating: 3.89
Posted on 2003-11-03 by DJ (Solution Posted, 17 Comments)
Difficulty: 2 of 5Four-letter insert? (in Word Problems) Rating: 2.50
Posted on 2004-09-06 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 3 of 5Word Meld 5 (in Word Problems) Rating: 3.82
Posted on 2003-08-29 by DJ (Solution Posted, 14 Comments)
Difficulty: 3 of 5Words in Common 1 (in Word Problems) Rating: 2.70
Posted on 2003-08-05 by Bryan (Solution Posted, 10 Comments)
Difficulty: 3 of 5Words in Common 2 (in Word Problems) Rating: 4.50
Posted on 2003-08-08 by Bryan (Solution Posted, 6 Comments)
Difficulty: 2 of 5Word Meld 4 (in Word Problems) Rating: 3.91
Posted on 2003-08-13 by DJ (Solution Posted, 10 Comments)
Difficulty: 4 of 5The Amazing Shrinking Word (in Word Problems) Rating: 4.29
Posted on 2003-08-19 by zineera (Solution Posted, 12 Comments)
Difficulty: 3 of 5Words in Common 7 (in Word Problems) Rating: 4.31
Posted on 2003-09-30 by DJ (Solution Posted, 17 Comments)
Difficulty: 2 of 5Get it? (in Word Problems) Rating: 3.60
Posted on 2003-08-22 by Cory Taylor (Solution Posted, 16 Comments)
Difficulty: 2 of 5Word Builder 1 (in Word Problems) Rating: 2.67
Posted on 2003-10-17 by Lewis (Solution Posted, 8 Comments)
Difficulty: 3 of 5Words in Common 4 (in Word Problems) Rating: 4.25
Posted on 2003-09-11 by Bryan (Solution Posted, 5 Comments)
Difficulty: 3 of 5Letter Cubes 4 (in Word Problems) Rating: 4.45
Posted on 2003-10-07 by DJ (Solution Posted, 5 Comments)
Difficulty: 3 of 5Double Cross (in Word Problems) Rating: 4.36
Posted on 2003-11-14 by DJ (Solution Posted, 7 Comments)
Difficulty: 4 of 5Norse Code (in Word Problems) Rating: 4.11
Posted on 2003-11-18 by DJ (Solution Posted, 16 Comments)
Difficulty: 3 of 5Words in Common 6 (in Word Problems) Rating: 2.22
Posted on 2003-09-28 by Bryan (Solution Posted, 5 Comments)
Difficulty: 4 of 5Alphabet Soup (in Word Problems) Rating: 4.33
Posted on 2003-12-02 by DJ (Solution Posted, 15 Comments)
Difficulty: 2 of 5Disaster Description (in Word Problems) Rating: 4.13
Posted on 2003-11-04 by Gamer (Solution Posted, 11 Comments)
Difficulty: 3 of 5How it Started (Eve Did Talk) (in Word Problems) Rating: 4.14
Posted on 2003-12-10 by DJ (Solution Posted, 26 Comments)
Difficulty: 1 of 5I'm a dot in place (in Word Problems) Rating: 3.57
Posted on 2004-04-23 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 4 of 5Annul Choke Widow Nude Whist (in Word Problems) Rating: 4.00
Posted on 2003-12-27 by Bryan (Solution Posted, 8 Comments)
Difficulty: 3 of 5ETW (in Word Problems) Rating: 3.67
Posted on 2004-01-09 by DJ (Solution Posted, 15 Comments)
Difficulty: 4 of 5 Mix and Match (in Word Problems) Rating: 4.00
Posted on 2004-01-12 by DJ (Solution Posted, 7 Comments)
Difficulty: 1 of 5Alphanumeric Ambiguity (in Word Problems) Rating: 3.67
Posted on 2004-01-26 by DJ (Solution Posted, 15 Comments)
Difficulty: 2 of 5Double C, double T (in Word Problems) Rating: 2.50
Posted on 2004-06-07 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 3 of 5Ascension (in Word Problems) Rating: 4.38
Posted on 2004-02-08 by DJ (Solution Posted, 24 Comments)
Difficulty: 4 of 5Words In Common 10 (in Word Problems) Rating: 2.83
Posted on 2003-12-15 by Charlie (Solution Posted, 17 Comments)
Difficulty: 2 of 5Vowel Deficit (in Word Problems) Rating: 2.71
Posted on 2004-04-07 by Gamer (Solution Posted, 22 Comments)
Difficulty: 3 of 5Ten Words (2) (in Word Problems) Rating: 2.67
Posted on 2004-08-10 by SilverKnight (Solution Posted, 14 Comments)
Difficulty: 2 of 5Word Square (in Word Problems) Rating: 4.11
Posted on 2004-05-09 by Gamer (Solution Posted, 7 Comments)
Difficulty: 3 of 5A = B = AB (in Word Problems) Rating: 3.50
Posted on 2004-02-10 by pleasance (Solution Posted, 28 Comments)
Difficulty: 1 of 5Mix 'em up! (in Word Problems) Rating: 2.33
Posted on 2004-09-15 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 2 of 5Insert word here (in Word Problems) Rating: 2.67
Posted on 2004-03-15 by Popstar Dave (Solution Posted, 6 Comments)
Difficulty: 2 of 5Where are you going for your holiday? (in Word Problems) Rating: 2.78
Posted on 2004-04-02 by Popstar Dave (Solution Posted, 32 Comments)
Difficulty: 2 of 5Who's the odd one out? (in Word Problems) Rating: 2.75
Posted on 2004-04-10 by Popstar Dave (Solution Posted, 39 Comments)
Difficulty: 2 of 5What are you doing and where are you from? (in Word Problems) Rating: 2.80
Posted on 2004-04-14 by Popstar Dave (Solution Posted, 40 Comments)
Difficulty: 1 of 55 + 1 are gone (in Word Problems) Rating: 3.60
Posted on 2004-09-08 by Juggler (Solution Posted, 9 Comments)
Difficulty: 1 of 5Wonder Words (in Word Problems) Rating: 2.75
Posted on 2004-04-22 by Popstar Dave (Solution Posted, 8 Comments)
Difficulty: 2 of 5upside-down (in Word Problems) Rating: 2.71
Posted on 2004-05-14 by Popstar Dave (Solution Posted, 9 Comments)
Difficulty: 3 of 5Romulus 'N' Rebus (in Word Problems) Rating: 4.00
Posted on 2005-10-01 by Juggler (Solution Posted, 6 Comments)
Difficulty: 3 of 5Word relations (in Word Problems) Rating: 3.67
Posted on 2004-09-14 by Tristan (Solution Posted, 8 Comments)
Difficulty: 2 of 5Symmetrical words (in Word Problems) Rating: 3.50
Posted on 2004-05-21 by Federico Kereki (Solution Posted, 18 Comments)
Difficulty: 2 of 5Word Meld and Weld (in Word Problems) Rating: 3.75
Posted on 2004-12-06 by Juggler (Solution Posted, 48 Comments)
Difficulty: 3 of 5Ten Words (3) (in Word Problems) Rating: 2.67
Posted on 2004-09-05 by SilverKnight (Solution Posted, 14 Comments)
Difficulty: 3 of 5Ten Words (4) (in Word Problems) Rating: 2.75
Posted on 2004-10-14 by SilverKnight (Solution Posted, 12 Comments)
Difficulty: 2 of 5Word Grid (in Word Problems) Rating: 3.33
Posted on 2005-05-02 by nikki (Solution Posted, 14 Comments)
Difficulty: 3 of 5Couple of Words (in Word Problems) Rating: 4.00
Posted on 2004-07-24 by Thalamus (Solution Posted, 9 Comments)
Difficulty: 2 of 5Three Words (in Word Problems) Rating: 2.33
Posted on 2004-12-13 by SilverKnight (Solution Posted, 4 Comments)
Difficulty: 1 of 5Neither do I (in Word Problems) Rating: 3.63
Posted on 2005-01-03 by GOM (Solution Posted, 9 Comments)
Difficulty: 3 of 5Most Letters 2 (in Word Problems) Rating: 3.67
Posted on 2005-01-20 by Juggler (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Four Letter Sequences (in Word Problems) Rating: 3.67
Posted on 2005-01-12 by David Shin (Solution Posted, 9 Comments)
Difficulty: 5 of 5One Word, Seven Times (in Word Problems) Rating: 3.50
Posted on 2005-01-27 by David Shin (Solution Posted, 14 Comments)
Difficulty: 2 of 5Opposite (in Word Problems)
Posted on 2005-01-10 by e.g. (Solution Posted, 6 Comments)
Difficulty: 2 of 5The Most Letters (in Word Problems) Rating: 3.00
Posted on 2004-10-03 by Juggler (Solution Posted, 12 Comments)
Difficulty: 1 of 5Inaugural (in Word Problems) Rating: 3.00
Posted on 2005-01-07 by e.g. (Solution Posted, 12 Comments)
Difficulty: 2 of 5Common Phrases (in Word Problems) Rating: 3.25
Posted on 2004-12-23 by SilverKnight (Solution Posted, 24 Comments)
Difficulty: 2 of 5Complete the crossword (in Word Problems)
Posted on 2005-08-01 by pcbouhid (Solution Posted, 14 Comments)
Difficulty: 4 of 5Opposite synonyms (in Word Problems) Rating: 3.50
Posted on 2005-01-28 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 2 of 5Obscure Quotation (in Word Problems) Rating: 3.00
Posted on 2005-03-08 by Sandeep (Solution Posted, 9 Comments)
Difficulty: 2 of 5triple doubles (in Word Problems) Rating: 2.50
Posted on 2005-04-12 by humfoozneydannle (Solution Posted, 14 Comments)
Difficulty: 4 of 5Word Meld 7 (in Word Problems) Rating: 2.67
Posted on 2005-01-22 by David Shin (Solution Posted, 13 Comments)
Difficulty: 1 of 5Double Letters at the Front (in Word Problems) Rating: 2.29
Posted on 2005-07-11 by Erik O. (No Solution Yet, 29 Comments)
Difficulty: 3 of 5Homophonic Equality (in Word Problems) Rating: 5.00
Posted on 2005-01-18 by David Shin (Solution Posted, 10 Comments)
Difficulty: 1 of 5A rainbow of haves and have-nots (in Word Problems) Rating: 4.13
Posted on 2005-01-26 by Federico Kereki (Solution Posted, 15 Comments)
Difficulty: 1 of 5At the Airport (in Word Problems) Rating: 2.33
Posted on 2005-05-19 by e.g. (Solution Posted, 13 Comments)
Difficulty: 3 of 5Sports Starters (in Word Problems) Rating: 3.83
Posted on 2005-04-11 by Cory Taylor (Solution Posted, 28 Comments)
Difficulty: 2 of 5Four four-letter words! (in Word Problems) Rating: 4.00
Posted on 2005-02-27 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 2 of 5S-2-1-3-1-2-S (in Word Problems) Rating: 4.33
Posted on 2006-01-09 by Joe (Solution Posted, 11 Comments)
Difficulty: 1 of 5Animal + Plant (in Word Problems) Rating: 3.33
Posted on 2005-04-09 by David Shin (Solution Posted, 17 Comments)
Difficulty: 1 of 5Complete the grid (in Word Problems) Rating: 4.00
Posted on 2005-06-16 by pcbouhid (Solution Posted, 49 Comments)
Difficulty: 2 of 5A pyramid of words (in Word Problems) Rating: 4.00
Posted on 2005-10-12 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 2 of 5Subwords (in Word Problems) Rating: 2.00
Posted on 2005-11-23 by Bob Smith (Solution Posted, 2 Comments)
Difficulty: 2 of 5Splitting words (in Word Problems) Rating: 3.00
Posted on 2005-07-21 by pcbouhid (Solution Posted, 14 Comments)
Difficulty: 3 of 5Letter Cubes 5 (in Word Problems) Rating: 3.67
Posted on 2006-06-28 by Dej Mar (Solution Posted, 4 Comments)
Difficulty: 1 of 5Three of These and Three of Those (in Word Problems) Rating: 3.00
Posted on 2005-07-14 by Erik O. (Solution Posted, 19 Comments)
Difficulty: 4 of 5Trigrams (in Word Problems) Rating: 4.67
Posted on 2005-10-07 by Captain Paradox (Solution Posted, 37 Comments)
Difficulty: 2 of 5Try Top Typing! (in Word Problems) Rating: 3.75
Posted on 2005-09-15 by j441167 (No Solution Yet, 20 Comments)
Difficulty: 2 of 5Shorten and halve (in Word Problems) Rating: 4.20
Posted on 2005-09-21 by j441167 (No Solution Yet, 33 Comments)
Difficulty: 2 of 5Math Rebuses (Rebi?) (in Word Problems) Rating: 3.00
Posted on 2006-06-01 by Jer (Solution Posted, 9 Comments)
Difficulty: 3 of 5Countries of the World (in Word Problems) Rating: 4.33
Posted on 2006-06-09 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Find the J (in Word Problems) Rating: 4.40
Posted on 2006-08-04 by Josie Faulkner (Solution Posted, 26 Comments)
Difficulty: 4 of 5Synograms (in Word Problems) Rating: 4.40
Posted on 2005-08-17 by Erik O. (No Solution Yet, 14 Comments)
Difficulty: 2 of 57 sounds (in Word Problems) Rating: 2.50
Posted on 2005-08-24 by brianjn (Solution Posted, 11 Comments)
Difficulty: 1 of 5Three in a Row (in Word Problems) Rating: 3.00
Posted on 2006-02-09 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 3 of 5Which word is next? (in Word Problems) Rating: 4.33
Posted on 2006-02-27 by Joe (Solution Posted, 8 Comments)
Difficulty: 3 of 5Elemental chain of events (in Word Problems) Rating: 4.00
Posted on 2006-05-11 by Leming (No Solution Yet, 4 Comments)
Difficulty: 1 of 5What Word? (in Word Problems) Rating: 3.43
Posted on 2006-02-10 by Vernon Lewis (Solution Posted, 5 Comments)
Difficulty: 3 of 5F-A-C-E (in Word Problems) Rating: 3.00
Posted on 2006-01-04 by tanx (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Levik's Ride (in Word Problems) Rating: 4.00
Posted on 2006-02-22 by Richard (Solution Posted, 26 Comments)
Difficulty: 3 of 5Morphing words (in Word Problems) Rating: 3.00
Posted on 2005-12-09 by Bob Smith (Solution Posted, 6 Comments)
Difficulty: 2 of 5Words on the rocks, please (in Word Problems) Rating: 4.00
Posted on 2005-10-17 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5and (in Word Problems) Rating: 2.33
Posted on 2006-03-13 by Sir Percivale (No Solution Yet, 28 Comments)
Difficulty: 3 of 5What do they share? (in Word Problems) Rating: 3.50
Posted on 2006-03-17 by Joe (Solution Posted, 13 Comments)
Difficulty: 3 of 5Common Link (in Word Problems) Rating: 3.40
Posted on 2006-03-03 by Dan (Solution Posted, 7 Comments)
Difficulty: 2 of 5Anagramming sentences (in Word Problems) Rating: 4.14
Posted on 2005-11-20 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 1 of 5In a field (in Word Problems) Rating: 1.63
Posted on 2006-01-23 by Joe (Solution Posted, 21 Comments)
Difficulty: 2 of 5Poetry (in Word Problems) Rating: 3.00
Posted on 2006-02-02 by Joe (Solution Posted, 7 Comments)
Difficulty: 2 of 5Clueless crossword (in Word Problems) Rating: 3.33
Posted on 2006-01-25 by Bob Smith (Solution Posted, 5 Comments)
Difficulty: 1 of 5Add a third (in Word Problems) Rating: 3.67
Posted on 2005-12-02 by Federico Kereki (Solution Posted, 24 Comments)
Difficulty: 2 of 5Six Similar Words (in Word Problems) Rating: 3.67
Posted on 2005-10-03 by Nosher (Solution Posted, 6 Comments)
Difficulty: 4 of 5Word Meld Square (in Word Problems) Rating: 4.25
Posted on 2005-10-12 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 2 of 5What is common? (in Word Problems) Rating: 2.80
Posted on 2006-07-18 by Salil (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Numbers À Propos (in Word Problems) Rating: 4.20
Posted on 2005-09-20 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5All Four (in Word Problems) Rating: 3.00
Posted on 2005-09-26 by Josh70679 (Solution Posted, 8 Comments)
Difficulty: 3 of 5numbers, numbers, numbers (in Word Problems) Rating: 4.00
Posted on 2006-08-06 by bookworm (Solution Posted, 4 Comments)
Difficulty: 3 of 5Slide Rule (in Word Problems) Rating: 4.50
Posted on 2006-07-24 by Gamer (Solution Posted, 2 Comments)
Difficulty: 2 of 5Opposites Attract (in Word Problems) Rating: 4.33
Posted on 2006-08-08 by tanx (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Identical Opposites (in Word Problems) Rating: 4.50
Posted on 2006-08-29 by Federico Kereki (Solution Posted, 5 Comments)
Difficulty: 2 of 5Evil character (in Word Problems) Rating: 3.00
Posted on 2006-09-11 by bookworm (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Base-26 (in Word Problems)
Posted on 2006-09-16 by Charlie (Solution Posted, 5 Comments)
Difficulty: 2 of 5Parchment Puzzle (in Word Problems)
Posted on 2006-10-05 by joshua (No Solution Yet, 7 Comments)
Difficulty: 4 of 5compoundwordplay (in Word Problems)
Posted on 2006-09-20 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Margana (in Word Problems) Rating: 4.38
Posted on 2006-09-27 by Josie Faulkner (Solution Posted, 8 Comments)
Difficulty: 2 of 5Where to? (in Word Problems) Rating: 3.33
Posted on 2006-11-02 by Federico Kereki (Solution Posted, 3 Comments)
Difficulty: 3 of 5Letter ratios (in Word Problems) Rating: 4.00
Posted on 2006-10-20 by Joe (Solution Posted, 11 Comments)
Difficulty: 4 of 5Mistress of the Ring (in Word Problems) Rating: 4.50
Posted on 2006-10-28 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Letter groups (in Word Problems) Rating: 4.40
Posted on 2007-02-07 by Joe (Solution Posted, 7 Comments)
Difficulty: 3 of 5Rainbow Triplets (in Word Problems) Rating: 4.38
Posted on 2006-12-12 by Josie Faulkner (Solution Posted, 8 Comments)
Difficulty: 2 of 5Find the Country (in Word Problems) Rating: 4.17
Posted on 2007-01-11 by Josie Faulkner (Solution Posted, 14 Comments)
Difficulty: 3 of 5Hole-some Countries (in Word Problems) Rating: 4.50
Posted on 2007-01-16 by Rob (Solution Posted, 11 Comments)
Difficulty: 4 of 5Just One (in Word Problems) Rating: 4.50
Posted on 2007-04-04 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5The Incredible Shrinking Word (in Word Problems) Rating: 4.00
Posted on 2007-04-16 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 3 of 5Present in 6 (in Word Problems) Rating: 4.33
Posted on 2007-04-25 by brianjn (Solution Posted, 14 Comments)
Difficulty: 3 of 5Calendar Cubes pt 4 (in Word Problems) Rating: 4.50
Posted on 2007-04-30 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 3 of 5Five bits for the bipolar (in Word Problems) Rating: 5.00
Posted on 2007-05-12 by Dej Mar (Solution Posted, 4 Comments)
Difficulty: 3 of 5Note the Quote (in Word Problems) Rating: 4.25
Posted on 2007-06-18 by Josie Faulkner (Solution Posted, 5 Comments)
Difficulty: 3 of 5fragmented whole (in Word Problems) Rating: 4.00
Posted on 2007-06-14 by jduval (Solution Posted, 9 Comments)
Difficulty: 3 of 5Connect the Unconnected (in Word Problems) Rating: 4.00
Posted on 2007-07-11 by Josie Faulkner (Solution Posted, 8 Comments)
Difficulty: 3 of 5Odds and Ends (in Word Problems) Rating: 4.60
Posted on 2007-07-07 by Josie Faulkner (Solution Posted, 5 Comments)
Difficulty: 3 of 5Miracles? - Nah - Mirickles! (in Word Problems) Rating: 4.25
Posted on 2007-07-14 by Josie Faulkner (Solution Posted, 9 Comments)
Difficulty: 3 of 5Facetious? - No! (in Word Problems) Rating: 4.50
Posted on 2007-07-17 by Josie Faulkner (Solution Posted, 6 Comments)
Difficulty: 3 of 5Who the Deuce? (in Word Problems) Rating: 4.33
Posted on 2007-07-21 by Josie Faulkner (Solution Posted, 12 Comments)
Difficulty: 3 of 5All Nine? (in Word Problems) Rating: 4.00
Posted on 2007-09-24 by jduval (Solution Posted, 16 Comments)
Difficulty: 3 of 5Letter Shifted Palindromes (in Word Problems) Rating: 4.00
Posted on 2007-09-08 by Vernon Lewis (No Solution Yet, 5 Comments)
Difficulty: 3 of 5What's the Connection? (in Word Problems) Rating: 4.60
Posted on 2007-09-10 by Josie Faulkner (Solution Posted, 12 Comments)
Difficulty: 1 of 5Word Oddity (3) Back and forth (in Word Problems) Rating: 3.33
Posted on 2007-11-22 by jduval (Solution Posted, 4 Comments)
Difficulty: 3 of 5EARTH, WATER, WIND AND FIRE (in Word Problems) Rating: 3.33
Posted on 2007-10-26 by Dej Mar (Solution Posted, 7 Comments)
Difficulty: 2 of 5Word Oddity (1) Look down (in Word Problems) Rating: 4.00
Posted on 2007-11-11 by jduval (Solution Posted, 6 Comments)
Difficulty: 1 of 5Word Oddity (2) 'Backwords' (in Word Problems) Rating: 4.00
Posted on 2007-11-19 by jduval (Solution Posted, 8 Comments)
Difficulty: 1 of 5Word Oddity (4) Half-time (in Word Problems) Rating: 4.00
Posted on 2007-11-26 by jduval (Solution Posted, 2 Comments)
Difficulty: 1 of 5Word Oddity (5) No repeat workday (in Word Problems) Rating: 3.00
Posted on 2007-12-03 by jduval (Solution Posted, 6 Comments)
Difficulty: 1 of 5Word Oddity (6) Some have 6 (in Word Problems) Rating: 3.00
Posted on 2007-12-10 by jduval (Solution Posted, 6 Comments)
Difficulty: 1 of 5Word Oddity (7) Anagrams (in Word Problems) Rating: 4.00
Posted on 2007-12-15 by jduval (Solution Posted, 4 Comments)
Difficulty: 3 of 5Words of a wombat? (in Word Problems) Rating: 4.00
Posted on 2007-12-29 by Dej Mar (Solution Posted, 8 Comments)
Difficulty: 2 of 5Double Derangement Anagrams (in Word Problems) Rating: 4.00
Posted on 2007-12-05 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 1 of 5It's right really (in Word Problems)
Posted on 2008-01-01 by Paddy (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Choose one (in Word Problems) Rating: 2.00
Posted on 2008-05-06 by FrankM (Solution Posted, 3 Comments)
Difficulty: 4 of 5Gyro-Lattice 2- Threes (in Word Problems) Rating: 4.00
Posted on 2008-05-23 by brianjn (Solution Posted, 5 Comments)
Difficulty: 1 of 5Two English words (in Word Problems) Rating: 3.00
Posted on 2008-06-27 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 5Literal Overlap (in Word Problems)
Posted on 2008-06-24 by brianjn (Solution Posted, 9 Comments)
Difficulty: 4 of 5Star Stare (in Word Problems)
Posted on 2008-07-16 by brianjn (Solution Posted, 10 Comments)
Difficulty: 4 of 5Four 3s Rotated (in Word Problems) Rating: 3.50
Posted on 2008-08-06 by brianjn (Solution Posted, 16 Comments)
Difficulty: 4 of 5Checker Masks (in Word Problems)
Posted on 2008-09-04 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Five from Three (in Word Problems) Rating: 5.00
Posted on 2009-02-05 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Cubic Routes (in Word Problems)
Posted on 2008-11-26 by brianjn (Solution Posted, 2 Comments)
Difficulty: 2 of 5X-crabble (in Word Problems) Rating: 4.00
Posted on 2009-01-27 by pcbouhid (Solution Posted, 1 Comments)
Difficulty: 3 of 5Historical Record (in Word Problems) Rating: 4.00
Posted on 2009-01-14 by brianjn (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Alphabet from 8 Words (in Word Problems) Rating: 4.00
Posted on 2009-04-04 by Charlie (Solution Posted, 5 Comments)
Difficulty: 4 of 5Perplexing Dual Vowels (in Word Problems)
Posted on 2009-03-13 by brianjn (Solution Posted, 9 Comments)
Difficulty: 3 of 5Plural without an S (in Word Problems)
Posted on 2009-03-24 by Sing4TheDay (Solution Posted, 7 Comments)
Difficulty: 3 of 5A Non (Con) Sequence (in Word Problems) Rating: 3.00
Posted on 2009-03-28 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 58 Words (in Word Problems) Rating: 4.50
Posted on 2009-03-19 by brianjn (Solution Posted, 14 Comments)
Difficulty: 3 of 5Wrap a gram (in Word Problems) Rating: 3.33
Posted on 2009-04-01 by brianjn (Solution Posted, 8 Comments)
Difficulty: 3 of 5Back a gram (in Word Problems) Rating: 4.00
Posted on 2009-04-07 by brianjn (Solution Posted, 4 Comments)
Difficulty: 4 of 5In a Mystery.... (in Word Problems) Rating: 5.00
Posted on 2009-04-16 by brianjn (Solution Posted, 12 Comments)
Difficulty: 3 of 5and W (in Word Problems) Rating: 3.00
Posted on 2009-07-14 by Jer (Solution Posted, 6 Comments)
Difficulty: 3 of 5Word Grid (in Word Problems) Rating: 4.00
Posted on 2009-07-19 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 54-Letter Words (in Word Problems)
Posted on 2009-08-09 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Minimum Scrabble (in Word Problems)
Posted on 2009-09-02 by brianjn (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Any early warnings? (in Word Problems) Rating: 4.00
Posted on 2010-04-02 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5All at Sea (in Word Problems)
Posted on 2009-12-09 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Our Universe (in Word Problems)
Posted on 2009-12-16 by brianjn (Solution Posted, 11 Comments)
Difficulty: 2 of 5Treasure Chest (in Word Problems)
Posted on 2010-03-03 by brianjn (Solution Posted, 2 Comments)
Difficulty: 3 of 5Chain Gang- a contest and a game (in Word Problems)
Posted on 2010-05-30 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Find my password (in Word Problems) Rating: 4.00
Posted on 2010-08-31 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Polish your French (in Word Problems)
Posted on 2010-02-22 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Try to crack the code. (in Word Problems) Rating: 4.00
Posted on 2010-04-04 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Outstanding numbers (in Word Problems) Rating: 4.00
Posted on 2010-04-06 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Laddergrams (in Word Problems) Rating: 4.67
Posted on 2010-06-06 by brianjn (Solution Posted, 10 Comments)
Difficulty: 2 of 5The coat of many (in Word Problems)
Posted on 2010-06-24 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 2 of 5Do not D&D (in Word Problems) Rating: 3.00
Posted on 2010-06-28 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Magma et al. (in Word Problems) Rating: 4.50
Posted on 2010-06-30 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Laddergrams 2 (in Word Problems)
Posted on 2010-06-15 by brianjn (Solution Posted, 10 Comments)
Difficulty: 2 of 5Elite Letters (in Word Problems)
Posted on 2010-07-12 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Abracadabra (in Word Problems) Rating: 3.00
Posted on 2010-10-29 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5As easy as pie (in Word Problems) Rating: 3.00
Posted on 2010-08-26 by Ady TZIDON (Solution Posted, 17 Comments)
Difficulty: 3 of 5Rubik Words (in Word Problems)
Posted on 2010-11-02 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Homophonic Chains (in Word Problems)
Posted on 2010-09-28 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Homophone Paired Ladders (in Word Problems)
Posted on 2010-10-12 by brianjn (No Solution Yet, 7 Comments)
Difficulty: 1 of 5Proverbial Wisdom (in Word Problems) Rating: 3.00
Posted on 2010-12-09 by brianjn (Solution Posted, 6 Comments)
Difficulty: 3 of 5Music to your ears (in Word Problems)
Posted on 2010-11-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Odd One Out (in Word Problems)
Posted on 2010-11-10 by Charlie (Solution Posted, 10 Comments)
Difficulty: 3 of 5Numbered Letters II (in Word Problems) Rating: 5.00
Posted on 2011-05-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Antonymic Laddergrams (in Word Problems) Rating: 5.00
Posted on 2011-06-08 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5AutoHomophone (in Word Problems) Rating: 3.67
Posted on 2011-03-22 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5It is not hard (in Word Problems) Rating: 5.00
Posted on 2011-08-29 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5A Royal Question (in Word Problems) Rating: 4.50
Posted on 2011-05-13 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 52B or B2? (in Word Problems) Rating: 4.00
Posted on 2011-07-06 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5Brevity is the soul of wit (in Word Problems)
Posted on 2011-07-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5S-olve T-his (in Word Problems) Rating: 3.67
Posted on 2011-07-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Abjad Analysis (in Word Problems)
Posted on 2011-08-31 by broll (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Homophone Hunt (in Word Problems) Rating: 5.00
Posted on 2014-12-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Hat #9 (in Word Problems)
Posted on 2014-10-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5If you don't know the words, just whistle the tune... (in Word Problems) Rating: 4.00
Posted on 2011-07-27 by broll (Solution Posted, 7 Comments)
Difficulty: 2 of 5Letter Carrier (in Word Problems)
Posted on 2014-07-03 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Test #5 (in Word Problems)
Posted on 2014-08-31 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 51 to 8 in 5*5 grid (in Word Problems)
Posted on 2014-09-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Twelve (!) tribes (?) II (in Word Problems) Rating: 3.00
Posted on 2014-09-23 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Dozen Word Amalgamation (in Word Problems) Rating: 5.00
Posted on 2014-10-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cuisine Conclusion II (in Word Problems) Rating: 5.00
Posted on 2014-10-20 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Word Containment Contemplation (in Word Problems) Rating: 5.00
Posted on 2014-10-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Letter Deletion Deduction (in Word Problems) Rating: 5.00
Posted on 2014-10-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Reverse Resolution (in Word Problems) Rating: 5.00
Posted on 2014-11-10 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Phrase Order Ponder (in Word Problems) Rating: 5.00
Posted on 2014-11-20 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 2 of 53 out of 7 (in Word Problems)
Posted on 2014-07-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Confucius advises (in Word Problems)
Posted on 2014-07-14 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5A sound advice (in Word Problems)
Posted on 2011-09-12 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Singer Settlement (in Word Problems) Rating: 3.00
Posted on 2011-12-15 by K Sengupta (Solution Posted, 14 Comments)
Difficulty: 3 of 5Word Meld 8 (in Word Problems)
Posted on 2011-12-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Hidden Birds (in Word Problems)
Posted on 2012-01-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Abarcadraba (in Word Problems)
Posted on 2012-01-10 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Suffix Settlement (in Word Problems) Rating: 5.00
Posted on 2012-01-17 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 4 of 5Double Word Square Challenge (in Word Problems)
Posted on 2011-10-07 by Dej Mar (Solution Posted, 2 Comments)
Difficulty: 3 of 5Crosswords (in Word Problems)
Posted on 2011-10-14 by Charlie (Solution Posted, 1 Comments)
Difficulty: 4 of 5Elite Etile (in Word Problems)
Posted on 2012-01-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Ascension II (in Word Problems)
Posted on 2012-02-10 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Inner Insertion (in Word Problems)
Posted on 2012-03-01 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Longest by Halves (in Word Problems)
Posted on 2012-03-05 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Palindrome from palindrome (in Word Problems) Rating: 3.00
Posted on 2012-03-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Word Builder 2 (in Word Problems)
Posted on 2012-03-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Numbered Words (in Word Problems) Rating: 4.00
Posted on 2011-11-04 by Math Man (Solution Posted, 10 Comments)
Difficulty: 4 of 5Shuffle Cross I (in Word Problems) Rating: 2.00
Posted on 2011-11-09 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Shuffle Cross II (in Word Problems)
Posted on 2011-11-26 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5scitemahpla II (in Word Problems) Rating: 2.00
Posted on 2014-06-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Slide and Add (in Word Problems)
Posted on 2011-11-18 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Just Add (in Word Problems) Rating: 4.00
Posted on 2011-12-04 by brianjn (Solution Posted, 6 Comments)
Difficulty: 4 of 5PentaWord 2 (in Word Problems)
Posted on 2011-12-18 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Redundant questions (in Word Problems) Rating: 5.00
Posted on 2012-03-19 by Math Man (Solution Posted, 11 Comments)
Difficulty: 3 of 5Lengthy Word (in Word Problems)
Posted on 2012-03-29 by K Sengupta (No Solution Yet, 21 Comments)
Difficulty: 3 of 5End and Begin (in Word Problems) Rating: 5.00
Posted on 2012-04-09 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Twenty what?! (in Word Problems)
Posted on 2012-04-17 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Smart Trams (in Word Problems)
Posted on 2012-04-26 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Lengthy Containment (in Word Problems)
Posted on 2012-05-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prefix Precision (in Word Problems)
Posted on 2012-05-23 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Special Words (in Word Problems)
Posted on 2012-06-12 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Groups of Nine (in Word Problems)
Posted on 2012-06-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rearranged Removal (in Word Problems)
Posted on 2012-07-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Three Words II (in Word Problems) Rating: 5.00
Posted on 2012-07-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5PentaWord 3 - Vowel Ring (in Word Problems)
Posted on 2011-12-28 by brianjn (Solution Posted, 5 Comments)
Difficulty: 2 of 5Musical Term - Not (in Word Problems) Rating: 5.00
Posted on 2015-03-16 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mixed Doubles II - Keyboard Konfusion (in Word Problems)
Posted on 2012-06-27 by Dustin (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Numbered Letters III (in Word Problems) Rating: 5.00
Posted on 2012-07-20 by K Sengupta (Solution Posted, 9 Comments)
Difficulty: 3 of 5Cycle Completion (in Word Problems) Rating: 5.00
Posted on 2012-08-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5The mad hatter (in Word Problems)
Posted on 2014-06-09 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5M.A.R. observed: (in Word Problems)
Posted on 2014-05-28 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Whachamacallit? (in Word Problems)
Posted on 2014-04-25 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 1 of 5NEWS (in Word Problems)
Posted on 2014-05-09 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Synonym Creation (in Word Problems) Rating: 5.00
Posted on 2014-05-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Reptile Resolution (in Word Problems) Rating: 5.00
Posted on 2014-06-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5First Names (in Word Problems) Rating: 5.00
Posted on 2014-06-15 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Done? No need? ...UNDO! (in Word Problems)
Posted on 2014-08-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Odd One Out III (in Word Problems)
Posted on 2012-08-15 by K Sengupta (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Quite a Handful (in Word Problems)
Posted on 2012-03-22 by broll (Solution Posted, 6 Comments)
Difficulty: 3 of 5Tight Game (in Word Problems)
Posted on 2012-06-01 by Steve Herman (Solution Posted, 4 Comments)
Difficulty: 3 of 5Hexagonal Rings (in Word Problems)
Posted on 2012-04-20 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Proverbial Wisdom II (in Word Problems) Rating: 4.00
Posted on 2012-09-21 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Two times n equals 2n-1 (in Word Problems)
Posted on 2012-09-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lengthy Word 2 (in Word Problems)
Posted on 2012-04-16 by Gamer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two times three equals five (in Word Problems)
Posted on 2012-05-10 by brianjn (Solution Posted, 4 Comments)
Difficulty: 3 of 5Tower Melds (in Word Problems)
Posted on 2012-05-17 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Complete and Start Puzzle (in Word Problems) Rating: 5.00
Posted on 2015-07-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Mixed Doubles (in Word Problems)
Posted on 2012-06-04 by Dustin (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Hexagonal triples (in Word Problems)
Posted on 2012-06-20 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Fruit prices (in Word Problems) Rating: 4.00
Posted on 2012-06-05 by Math Man (Solution Posted, 8 Comments)
Difficulty: 3 of 5Abjad Analysis II (in Word Problems)
Posted on 2012-06-18 by broll (Solution Posted, 6 Comments)
Difficulty: 2 of 5Weather Wangle (in Word Problems) Rating: 5.00
Posted on 2014-06-27 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5End and Begin II (in Word Problems) Rating: 5.00
Posted on 2014-06-30 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Ten Words (6) (in Word Problems) Rating: 5.00
Posted on 2014-07-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Corner Commencement (in Word Problems)
Posted on 2012-11-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Missing Word (in Word Problems) Rating: 3.00
Posted on 2012-11-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Bird Search (in Word Problems) Rating: 5.00
Posted on 2012-11-27 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Letter Litter (in Word Problems) Rating: 1.00
Posted on 2012-11-28 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Phrase Perception (in Word Problems)
Posted on 2012-12-18 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 2 of 5Shakespearean Subsumption (in Word Problems) Rating: 5.00
Posted on 2013-01-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Quips et al (in Word Problems) Rating: 3.00
Posted on 2012-10-30 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 52-way traffic (in Word Problems) Rating: 4.00
Posted on 2012-11-14 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Wiki Ladders (in Word Problems) Rating: 4.00
Posted on 2012-10-11 by broll (No Solution Yet, 7 Comments)
Difficulty: 2 of 5X-pandigital Words (in Word Problems)
Posted on 2012-11-07 by Dej Mar (Solution Posted, 3 Comments)
Difficulty: 2 of 5Sourcing the Start (in Word Problems)
Posted on 2013-01-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Planetary Perception (in Word Problems)
Posted on 2013-01-30 by K Sengupta (No Solution Yet, 14 Comments)
Difficulty: 2 of 5Sound Scrutiny (in Word Problems) Rating: 5.00
Posted on 2013-02-08 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Crossanagram (in Word Problems)
Posted on 2013-02-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ten Words (5) (in Word Problems)
Posted on 2013-03-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 4 of 5The right subset (in Word Problems)
Posted on 2014-04-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rearranged Resolution (in Word Problems) Rating: 5.00
Posted on 2013-04-03 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Antonym Ascertainment (in Word Problems)
Posted on 2013-04-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Hidden Word (in Word Problems) Rating: 3.00
Posted on 2013-04-26 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Consecutive Cuts (in Word Problems)
Posted on 2013-04-30 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Christmas Carol Conclusion (in Word Problems)
Posted on 2013-05-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Proverb Converse (in Word Problems)
Posted on 2013-05-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Reflected Halves (in Word Problems)
Posted on 2013-02-19 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Eight Word Fill (in Word Problems) Rating: 5.00
Posted on 2013-06-04 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 2 of 5Math spelling (in Word Problems) Rating: 5.00
Posted on 2013-03-04 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5Hidden Word II (in Word Problems)
Posted on 2013-07-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Homophones Misrepresented (in Word Problems)
Posted on 2013-03-06 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Anagrams Misrepresented (in Word Problems)
Posted on 2013-02-22 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Code synonyms (in Word Problems)
Posted on 2013-03-14 by Math Man (Solution Posted, 1 Comments)
Difficulty: 1 of 5222 (in Word Problems) Rating: 2.00
Posted on 2013-07-02 by Danish Ahmed Khan (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Get the facts (in Word Problems)
Posted on 2013-05-23 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Word Grids (in Word Problems) Rating: 5.00
Posted on 2013-11-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Hatu ,Utah?? (in Word Problems)
Posted on 2013-05-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sail & beware (in Word Problems)
Posted on 2013-06-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Who's asking? (in Word Problems)
Posted on 2013-12-11 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5You & you (in Word Problems) Rating: 4.00
Posted on 2013-05-30 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Boys' names (in Word Problems) Rating: 5.00
Posted on 2013-12-30 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Words, words, numbers (in Word Problems)
Posted on 2013-06-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Habeas corpus (in Word Problems)
Posted on 2013-08-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pairagrams (in Word Problems)
Posted on 2013-12-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5A missing symbol (in Word Problems)
Posted on 2014-01-08 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Unusual Crossword Puzzle (in Word Problems) Rating: 5.00
Posted on 2014-01-09 by Charlie (Solution Posted, 7 Comments)
Difficulty: 2 of 5Word Wangle (in Word Problems)
Posted on 2014-03-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 520 Word Lattice I (in Word Problems) Rating: 5.00
Posted on 2013-11-25 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 520 Word Lattice II (in Word Problems)
Posted on 2013-12-02 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Synonym Set (in Word Problems) Rating: 5.00
Posted on 2014-04-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Synonym Surveillance (in Word Problems) Rating: 5.00
Posted on 2014-05-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5An aSCending SCale (in Word Problems)
Posted on 2014-11-14 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Consecutive Addition (in Word Problems) Rating: 3.00
Posted on 2015-01-12 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5Palindromic Phrase Poser (in Word Problems) Rating: 3.00
Posted on 2015-01-15 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Antonym Assessment (in Word Problems) Rating: 5.00
Posted on 2015-01-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Ocean Anagram – Not (in Word Problems) Rating: 5.00
Posted on 2015-07-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Phrase Anagram Ponder (in Word Problems) Rating: 5.00
Posted on 2015-01-28 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Profession Pursuit – Not (in Word Problems)
Posted on 2015-02-03 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Inner Insertion II (in Word Problems) Rating: 5.00
Posted on 2015-02-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Crime to Meditation (in Word Problems)
Posted on 2015-02-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Golfer Gauge (in Word Problems) Rating: 5.00
Posted on 2015-02-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Rearranged Resolution II (in Word Problems) Rating: 5.00
Posted on 2015-03-02 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 3 of 5Heart and Number (in Word Problems) Rating: 5.00
Posted on 2015-03-11 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Letter Alteration Apprisal (in Word Problems) Rating: 4.00
Posted on 2015-03-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Test #7 (in Word Problems)
Posted on 2014-12-03 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Number-Sentence Equality (in Word Problems) Rating: 5.00
Posted on 2015-04-21 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Two Tree Trial (in Word Problems) Rating: 4.00
Posted on 2015-04-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Out of this word (in Word Problems)
Posted on 2014-12-08 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 1 of 5Not hehe (in Word Problems)
Posted on 2015-01-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Downward Pair Reading (in Word Problems) Rating: 5.00
Posted on 2015-04-24 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Hat #10 (in Word Problems)
Posted on 2015-01-27 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four Separate Words (in Word Problems) Rating: 5.00
Posted on 2015-04-28 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5A walking contradiction (in Word Problems)
Posted on 2015-03-20 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Animal Anagram - Not (in Word Problems) Rating: 4.00
Posted on 2015-05-06 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Three consecutive letters (in Word Problems) Rating: 3.50
Posted on 2015-05-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Homophone Hindrance (in Word Problems) Rating: 5.00
Posted on 2015-05-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Phrase Reorder Poser (in Word Problems) Rating: 2.33
Posted on 2015-06-01 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Eleven Letter Exercise (in Word Problems) Rating: 4.00
Posted on 2015-06-08 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5This And That (in Word Problems)
Posted on 2015-06-10 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 1 of 5Two Fishes (in Word Problems) Rating: 4.00
Posted on 2015-06-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Seven word phrase (in Word Problems) Rating: 3.00
Posted on 2015-06-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Academia, defeated, yesterday (in Word Problems)
Posted on 2015-02-26 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Manliest Cage (in Word Problems) Rating: 3.00
Posted on 2015-06-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Mathematical Term (in Word Problems) Rating: 4.00
Posted on 2015-07-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Ship Anagram - Not (in Word Problems) Rating: 1.50
Posted on 2015-06-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Two Word Phrase (in Word Problems) Rating: 5.00
Posted on 2015-07-09 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5z is a word (in Word Problems)
Posted on 2015-02-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Repeated Words (in Word Problems)
Posted on 2015-02-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Two tree types (in Word Problems) Rating: 3.00
Posted on 2015-10-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Phrase find ponder (in Word Problems) Rating: 3.00
Posted on 2015-10-01 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Long Reverse Rigor (in Word Problems) Rating: 5.00
Posted on 2015-07-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three Marine Vehicles (in Word Problems) Rating: 3.00
Posted on 2015-07-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Phrase Reconstruction Puzzle (in Word Problems) Rating: 5.00
Posted on 2015-07-21 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Homophone Hunt 2 (in Word Problems) Rating: 5.00
Posted on 2015-08-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 2 of 5Letter Removal Resolution (in Word Problems) Rating: 5.00
Posted on 2015-09-08 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5+Q-U : Quite Unusual (in Word Problems)
Posted on 2015-03-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Phrase a question III (in Word Problems)
Posted on 2015-03-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Long list (in Word Problems)
Posted on 2015-03-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A State of Contradictions (in Word Problems)
Posted on 2015-03-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Animal to animal (in Word Problems)
Posted on 2015-03-27 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Oxymora galore (in Word Problems) Rating: 5.00
Posted on 2015-03-27 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5From product to town (in Word Problems)
Posted on 2015-04-10 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5A Chinese Scene (in Word Problems)
Posted on 2015-04-17 by broll (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Name the location (in Word Problems)
Posted on 2015-04-16 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Not solvable by computer (?) (in Word Problems)
Posted on 2015-04-24 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Words with tripled letters (in Word Problems)
Posted on 2015-04-30 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5Rhyme time (in Word Problems) Rating: 5.00
Posted on 2015-05-07 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Past persons (in Word Problems)
Posted on 2015-07-06 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 57 idiomatic phrases (in Word Problems)
Posted on 2015-06-17 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Something is "some night" (in Word Problems)
Posted on 2015-07-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cabbagehead’s neighbors (in Word Problems)
Posted on 2015-05-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5BOW, WRENCH (in Word Problems)
Posted on 2015-05-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Extend the list (in Word Problems)
Posted on 2015-10-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A chain of five (in Word Problems)
Posted on 2015-06-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Put up or shut up (in Word Problems)
Posted on 2015-06-23 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5From ab to yz (in Word Problems)
Posted on 2015-07-06 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5One of the countries (in Word Problems)
Posted on 2015-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pasta wrestling (in Word Problems)
Posted on 2015-07-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5What's in a name? (in Word Problems)
Posted on 2015-07-23 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5More than Spoonerisms (in Word Problems) Rating: 5.00
Posted on 2015-06-25 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 526 letters needed (in Word Problems)
Posted on 2015-07-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consonants galore (in Word Problems)
Posted on 2015-08-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Wisecracks (in Word Problems)
Posted on 2015-08-12 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Around chicken (in Word Problems)
Posted on 2015-08-03 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5A ruler (in Word Problems)
Posted on 2015-08-05 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Explain it (in Word Problems) Rating: 3.00
Posted on 2015-08-25 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Muchos idiomas (in Word Problems)
Posted on 2015-09-01 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cryptajoke VII (in Word Problems) Rating: 4.00
Posted on 2015-08-31 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Believe it or not (in Word Problems) Rating: 3.00
Posted on 2015-09-08 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5All are... (in Word Problems) Rating: 1.00
Posted on 2015-10-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Wise and nice (in Word Problems)
Posted on 2015-10-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Make up your mind (in Word Problems)
Posted on 2015-10-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A plural of a plural (in Word Problems) Rating: 5.00
Posted on 2015-10-30 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5No peace (in Word Problems)
Posted on 2015-10-29 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Matching pairs II (in Word Problems) Rating: 2.00
Posted on 2015-11-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Cons and vows (in Word Problems)
Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Not Variety, but... (in Word Problems) Rating: 3.00
Posted on 2015-09-03 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 53c+2v (in Word Problems)
Posted on 2015-11-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5AINS (in Word Problems)
Posted on 2015-11-23 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Test #9 (in Word Problems)
Posted on 2016-01-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The three words (in Word Problems)
Posted on 2015-12-17 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Numbered Letters IV (in Word Problems)
Posted on 2015-10-26 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Numerical Anagrams (in Word Problems) Rating: 5.00
Posted on 2016-06-30 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 55-2=1 (in Word Problems) Rating: 3.00
Posted on 2015-12-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Roman Numeral and Letter Insertion (in Word Problems)
Posted on 2016-06-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5You may name it (in Word Problems)
Posted on 2016-01-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A five letter word (in Word Problems)
Posted on 2015-12-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Triple Letter Occurrence, Twice! (in Word Problems) Rating: 3.00
Posted on 2015-12-10 by Brian Smith (Solution Posted, 3 Comments)
Difficulty: 2 of 5What's this (in Word Problems)
Posted on 2016-02-25 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Latin verse (in Word Problems)
Posted on 2016-05-31 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Capital City Conclusion 2 (in Word Problems) Rating: 5.00
Posted on 2016-06-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Word Grid (in Word Problems)
Posted on 2016-02-04 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5Nations, Capitals and Number String (in Word Problems) Rating: 2.67
Posted on 2016-08-05 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tetra Anagram Trial (in Word Problems) Rating: 5.00
Posted on 2016-09-02 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Rub it in (in Word Problems) Rating: 5.00
Posted on 2016-10-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 4 of 5From challenge to change (in Word Problems) Rating: 5.00
Posted on 2016-05-12 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5A comprehensive list (in Word Problems) Rating: 3.00
Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5One of these things is not like the others.. (in Word Problems)
Posted on 2016-06-07 by broll (Solution Posted, 5 Comments)
Difficulty: 2 of 5Double Features (in Word Problems)
Posted on 2016-11-08 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5A transpogram (in Word Problems)
Posted on 2016-06-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Word Square Scramble (in Word Problems) Rating: 3.00
Posted on 2016-11-21 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three vowels (in Word Problems)
Posted on 2016-06-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Numberless Crossword (in Word Problems) Rating: 3.00
Posted on 2016-12-12 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Topical Quotation I (in Word Problems) Rating: 4.00
Posted on 2016-11-23 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Animal/Vegetable/Mineral (in Word Problems)
Posted on 2016-12-05 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Site Seeing (in Word Problems) Rating: 3.00
Posted on 2016-11-28 by Charlie (Solution Posted, 3 Comments)
Difficulty: 4 of 5Translate a ledger entry (in Word Problems) Rating: 4.00
Posted on 2016-08-12 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5Denver is not the issue (in Word Problems)
Posted on 2016-07-18 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5A spiral word (in Word Problems) Rating: 3.50
Posted on 2016-08-04 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 54 groups of 4 (in Word Problems) Rating: 2.00
Posted on 2016-08-16 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Business is business (in Word Problems) Rating: 4.00
Posted on 2016-08-24 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Add missing letters (in Word Problems) Rating: 3.00
Posted on 2016-08-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Four weddings (in Word Problems)
Posted on 2016-09-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 54 rebuses (in Word Problems)
Posted on 2016-09-12 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Anamonics (in Word Problems)
Posted on 2016-09-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Cryptajoke XVI (in Word Problems)
Posted on 2016-09-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5A ragman from 3 to 10 (in Word Problems)
Posted on 2016-12-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Most words from your word (in Word Problems)
Posted on 2017-02-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Topical Quotation V (in Word Problems)
Posted on 2017-01-18 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 2 of 5The kiss (in Word Problems)
Posted on 2017-01-30 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 54 is five and 5 is four (in Word Problems)
Posted on 2017-02-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Pacifist or else? (in Word Problems) Rating: 4.00
Posted on 2017-04-16 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Scanning Bard's masterpiece (in Word Problems)
Posted on 2017-02-25 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Topical Quotation II (in Word Problems) Rating: 4.00
Posted on 2016-12-09 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5POPANASIS (in Word Problems)
Posted on 2017-03-23 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Topical Quotation III (in Word Problems) Rating: 4.00
Posted on 2016-12-16 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Topical Quotation IV (in Word Problems)
Posted on 2016-12-29 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Long live the vowels (in Word Problems)
Posted on 2017-04-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Inspirational aspiration (in Word Problems)
Posted on 2017-03-31 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Site Seeing II (in Word Problems)
Posted on 2017-01-05 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5A repunit product (in Word Problems)
Posted on 2017-08-19 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Animal/Vegetable/Mineral II (in Word Problems)
Posted on 2017-01-06 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Alphabetical Crossword (in Word Problems)
Posted on 2017-01-11 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 54 couples make a new word (in Word Problems) Rating: 5.00
Posted on 2017-07-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Same Letter, Same Color (in Word Problems) Rating: 3.00
Posted on 2017-02-13 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Alphabetical Crossword II (in Word Problems) Rating: 3.00
Posted on 2017-01-25 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5Cryptoquip (in Word Problems)
Posted on 2017-10-06 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5His last words (in Word Problems)
Posted on 2017-06-02 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5A powerful anagram (in Word Problems)
Posted on 2017-06-09 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Punchline I (in Word Problems) Rating: 3.00
Posted on 2017-06-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Just add 2 letters (in Word Problems)
Posted on 2017-07-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Make the proof full-proof (in Word Problems)
Posted on 2017-07-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find this word (in Word Problems)
Posted on 2017-07-31 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5A text sans (in Word Problems)
Posted on 2017-08-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Cryptaquote I (in Word Problems) Rating: 5.00
Posted on 2017-09-14 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5What's out? (in Word Problems)
Posted on 2017-10-13 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 53 by 3 by 5 (in Word Problems)
Posted on 2017-09-22 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 4 of 5Squeeze in (in Word Problems)
Posted on 2017-10-05 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Like CABACB (in Word Problems)
Posted on 2017-10-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5He, me, and you (in Word Problems)
Posted on 2017-10-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Somewhere in the USA (in Word Problems) Rating: 5.00
Posted on 2017-10-10 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5The olog is t anagrammed (in Word Problems)
Posted on 2017-10-19 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 53 lowest score words (in Word Problems) Rating: 5.00
Posted on 2017-10-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Urban architecture (in Word Problems)
Posted on 2017-10-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5One word - created by two others (in Word Problems)
Posted on 2017-10-25 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Topical Quotation VI (in Word Problems) Rating: 5.00
Posted on 2017-07-12 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 510-Word Square (in Word Problems) Rating: 3.00
Posted on 2017-07-19 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Topical Quotation VII (in Word Problems) Rating: 3.00
Posted on 2017-08-31 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5A creative contest (in Word Problems)
Posted on 2017-12-07 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Avast Mateys (in Word Problems) Rating: 3.00
Posted on 2017-09-26 by Charlie (Solution Posted, 2 Comments)
Difficulty: 1 of 5Concatenated Categories (in Word Problems) Rating: 3.00
Posted on 2017-10-09 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 515 letters (in Word Problems)
Posted on 2018-02-16 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5A quote and its source (in Word Problems)
Posted on 2018-02-21 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 1 of 5A scrambled acronym (in Word Problems)
Posted on 2018-03-13 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 52 capitals (in Word Problems)
Posted on 2018-05-11 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 2 of 5High and low (in Word Problems)
Posted on 2018-05-21 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5All the Vowels (in Word Problems)
Posted on 2018-02-20 by Charlie (Solution Posted, 1 Comments)
Difficulty: 4 of 5Ls, Os & Ses left ... (in Word Problems) Rating: 3.00
Posted on 2018-06-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sliders (in Word Problems)
Posted on 2018-03-06 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Some Same Letters (in Word Problems) Rating: 5.00
Posted on 2018-03-27 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Antigrams wanted (in Word Problems) Rating: 5.00
Posted on 2018-09-21 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Art is marching on.. (in Word Problems) Rating: 3.00
Posted on 2018-08-08 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Sliders II (in Word Problems)
Posted on 2018-07-10 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Topical Quotation VIII (in Word Problems) Rating: 5.00
Posted on 2018-07-19 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Company Conundrum (in Word Problems)
Posted on 2018-07-27 by Math Man (Solution Posted, 2 Comments)
Difficulty: 3 of 5Odd, but true (in Word Problems)
Posted on 2018-09-20 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 531 days ago (in Word Problems)
Posted on 2018-09-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mixed Box (in Word Problems)
Posted on 2018-09-27 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Scrambled Middles (in Word Problems)
Posted on 2018-10-02 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5A partial cryptoquote (in Word Problems)
Posted on 2018-10-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 510-Word Square (in Word Problems)
Posted on 2018-08-27 by Charlie (Solution Posted, 2 Comments)
Difficulty: 4 of 5The wisdom of Windsor (in Word Problems)
Posted on 2018-10-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Painless Problem (in Word Problems) Rating: 3.00
Posted on 2018-09-10 by Charlie (Solution Posted, 3 Comments)
Difficulty: 4 of 5Restoring a definition (in Word Problems)
Posted on 2018-12-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Not a common text (in Word Problems)
Posted on 2018-11-07 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 4 of 5New word from two others (in Word Problems) Rating: 4.00
Posted on 2018-11-18 by Ady TZIDON (Solution Posted, 9 Comments)
Difficulty: 3 of 5From unrelated words to family (in Word Problems) Rating: 5.00
Posted on 2019-01-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Esot(e)ric word (in Word Problems)
Posted on 2018-11-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tryout (in Word Problems)
Posted on 2018-10-11 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Plaintext in Order (in Word Problems) Rating: 5.00
Posted on 2018-11-14 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5The Same Four Letters (in Word Problems) Rating: 3.00
Posted on 2018-11-27 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Dial W for WORD (in Word Problems)
Posted on 2019-01-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Contradiction by erasure (in Word Problems) Rating: 4.00
Posted on 2019-01-02 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Small difference (in Word Problems)
Posted on 2019-01-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A change of clothes (in Word Problems) Rating: 5.00
Posted on 2019-03-08 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 2 of 5A Jewish dilemma (in Word Problems)
Posted on 2019-04-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Oscar Wilde Said (in Word Problems)
Posted on 2019-01-14 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Alphabetic Crosswords III (in Word Problems)
Posted on 2019-04-30 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Can you C it? (in Word Problems) Rating: 4.00
Posted on 2019-02-06 by Kenny M (Solution Posted, 21 Comments)
Difficulty: 2 of 5Trees, Teas, and Peas (in Word Problems)
Posted on 2019-02-18 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Add no DANDY - No need ! (in Word Problems)
Posted on 2019-02-25 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5six words--some letters in common (in Word Problems) Rating: 5.00
Posted on 2019-06-26 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5L & R (in Word Problems) Rating: 5.00
Posted on 2019-02-26 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Odd one out (in Word Problems) Rating: 4.00
Posted on 2019-02-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Synonyms (in Word Problems) Rating: 4.00
Posted on 2019-07-01 by Math Man (Solution Posted, 7 Comments)
Difficulty: 3 of 5Given the Start (in Word Problems)
Posted on 2019-03-22 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Taramasalata inspired world (in Word Problems) Rating: 4.50
Posted on 2019-04-01 by Ady TZIDON (No Solution Yet, 21 Comments)
Difficulty: 2 of 5Words 5x5 (in Word Problems)
Posted on 2019-03-27 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Topical Quotation IX (in Word Problems) Rating: 5.00
Posted on 2019-04-25 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 5Catching flak thrice (in Word Problems)
Posted on 2019-06-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Cryptajoke XIX (in Word Problems)
Posted on 2019-06-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Listing the cardinal numbers’ names (in Word Problems)
Posted on 2019-07-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 515 A2A (in Word Problems) Rating: 4.00
Posted on 2019-07-26 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5One or more? (in Word Problems)
Posted on 2019-08-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Unique letters (in Word Problems)
Posted on 2019-08-08 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Ten Crossed Words (in Word Problems) Rating: 5.00
Posted on 2019-12-16 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Same Letter, Same Color 2 (in Word Problems)
Posted on 2019-10-15 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 5Money in the word (in Word Problems) Rating: 5.00
Posted on 2019-08-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Memphis, Tennessee (in Word Problems) Rating: 5.00
Posted on 2019-09-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Jeopardy style IV (in Word Problems)
Posted on 2019-09-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 514 * A to T (in Word Problems)
Posted on 2019-09-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Change and Slide (in Word Problems) Rating: 3.00
Posted on 2019-08-26 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Twin Words (in Word Problems)
Posted on 2019-09-16 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5An important virtue (in Word Problems)
Posted on 2019-10-07 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5One in all (in Word Problems)
Posted on 2019-10-09 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Two methods (in Word Problems)
Posted on 2019-10-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Thrice -----es ... (in Word Problems)
Posted on 2019-11-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5 78991 84! (in Word Problems) Rating: 3.00
Posted on 2019-11-19 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Unrelated Become Antonyms (in Word Problems) Rating: 3.00
Posted on 2019-10-28 by Charlie (Solution Posted, 6 Comments)
Difficulty: 4 of 5Seinfeld said (in Word Problems) Rating: 2.00
Posted on 2019-11-07 by Charlie (Solution Posted, 4 Comments)
Difficulty: 4 of 513 L2L (in Word Problems)
Posted on 2019-12-25 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Company Conundrum 2 (in Word Problems) Rating: 5.00
Posted on 2019-12-20 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Insert A B & C (in Word Problems)
Posted on 2020-01-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 513 T2Ts (in Word Problems) Rating: 5.00
Posted on 2020-02-03 by Steven Lord (Solution Posted, 19 Comments)
Difficulty: 2 of 5Key Phrase 2 (in Word Problems)
Posted on 2020-02-24 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Brush up your Latin ! (in Word Problems)
Posted on 2020-03-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Letters in a letter (in Word Problems) Rating: 5.00
Posted on 2020-04-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Best quotient (in Word Problems) Rating: 3.00
Posted on 2020-06-24 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 518 PE2US's (in Word Problems)
Posted on 2020-03-18 by Steven Lord (Solution Posted, 2 Comments)
Difficulty: 4 of 5Select the right subset (in Word Problems)
Posted on 2020-04-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Pokemon Puzzle (in Word Problems) Rating: 4.00
Posted on 2020-05-01 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Life is like a cow pasture. (in Word Problems)
Posted on 2020-07-03 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5hiDDen maMMals (in Word Problems) Rating: 2.00
Posted on 2020-09-16 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Find Five (in Word Problems) Rating: 4.00
Posted on 2020-06-17 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 57 matches (in Word Problems) Rating: 3.00
Posted on 2020-07-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Make five (in Word Problems)
Posted on 2020-08-27 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Cities, Countries and Colors (in Word Problems) Rating: 4.00
Posted on 2020-09-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Family Affair (in Word Problems)
Posted on 2020-07-20 by Charlie (Solution Posted, 2 Comments)
Difficulty: 1 of 5A proverb (in Word Problems) Rating: 5.00
Posted on 2020-09-25 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Literary apparel (in Word Problems) Rating: 5.00
Posted on 2021-01-14 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sort them out (in Word Problems)
Posted on 2021-01-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Countries Grand Kids (in Word Problems) Rating: 3.00
Posted on 2020-10-07 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Last Letters (in Word Problems) Rating: 3.00
Posted on 2020-09-21 by Charlie (Solution Posted, 4 Comments)
Difficulty: 1 of 5Antonyms (in Word Problems) Rating: 4.33
Posted on 2020-09-28 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Neighboring Countries (in Word Problems)
Posted on 2020-11-05 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Salt (in Word Problems) Rating: 4.67
Posted on 2021-01-11 by Charlie (Solution Posted, 3 Comments)
Difficulty: 3 of 53 to 6 letters (in Word Problems) Rating: 4.00
Posted on 2021-01-16 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Transformation (in Word Problems) Rating: 3.00
Posted on 2021-02-04 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Words' insides (in Word Problems) Rating: 4.00
Posted on 2021-03-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A Rebus (in Word Problems) Rating: 5.00
Posted on 2021-02-15 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Common and tasty (in Word Problems) Rating: 5.00
Posted on 2021-04-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Square Deal (in Word Problems) Rating: 4.00
Posted on 2021-03-30 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5Four word classes (in Word Problems) Rating: 4.00
Posted on 2021-05-27 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Alphabetical Plaintext (in Word Problems) Rating: 4.00
Posted on 2021-06-08 by Charlie (Solution Posted, 4 Comments)
Difficulty: 3 of 5There Can Be Only Twelve (in Word Problems) Rating: 5.00
Posted on 2021-06-10 by Larry (Solution Posted, 4 Comments)
Difficulty: 3 of 5Words, words and words (in Word Problems) Rating: 5.00
Posted on 2021-07-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Bung (in Word Problems) Rating: 3.00
Posted on 2021-09-08 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Restaurant Rock and Roll (in Word Problems) Rating: 4.00
Posted on 2021-10-22 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Left/Right side story (in Word Problems) Rating: 4.00
Posted on 2021-10-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tea-Time TauTology (in Word Problems) Rating: 5.00
Posted on 2021-11-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Limited Alphabet (in Word Problems) Rating: 3.50
Posted on 2021-11-29 by Charlie (Solution Posted, 3 Comments)
Difficulty: 2 of 5Cross Anagrams (in Word Problems) Rating: 5.00
Posted on 2021-11-01 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Phone Keys (in Word Problems) Rating: 3.00
Posted on 2021-11-11 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Cyclic Add-A-Letter (in Word Problems) Rating: 4.00
Posted on 2021-12-15 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Split Words Settlement II (in Word Problems) Rating: 3.50
Posted on 2022-07-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Elemental State Settlement (in Word Problems) Rating: 5.00
Posted on 2022-01-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Country-City Crossed Anagram Conclusion (in Word Problems) Rating: 5.00
Posted on 2021-12-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Abbreviation Ascertainment (in Word Problems) Rating: 5.00
Posted on 2022-01-02 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Etats Des Etats-Unis (in Word Problems) Rating: 5.00
Posted on 2022-01-04 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Letter Addition Crossed Country Conclusion (in Word Problems) Rating: 5.00
Posted on 2022-01-17 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Nine-Letter Nuanced Word Wangle (in Word Problems) Rating: 4.00
Posted on 2022-01-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5EssDee Embellished Repetition (in Word Problems) Rating: 5.00
Posted on 2022-02-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5ABBA words a.k.a. Test #12: (in Word Problems) Rating: 4.00
Posted on 2021-12-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Split Words Settlement (in Word Problems) Rating: 5.00
Posted on 2022-02-26 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Mathematical Anagram Muse (in Word Problems) Rating: 5.00
Posted on 2022-03-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Intriguing Word Interior Illation (in Word Problems) Rating: 5.00
Posted on 2022-03-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Word Wangle (in Word Problems)
Posted on 2022-03-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Double Cross 3 (in Word Problems) Rating: 5.00
Posted on 2022-03-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Letter Ratios II (in Word Problems) Rating: 3.00
Posted on 2022-04-03 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Precise Punctuation Poser (in Word Problems) Rating: 5.00
Posted on 2022-07-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Capital Crossed Creature Conclusion (in Word Problems) Rating: 5.00
Posted on 2022-05-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Choose a job you like… (in Word Problems) Rating: 5.00
Posted on 2021-12-26 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Fifteen Letter Word (in Word Problems) Rating: 5.00
Posted on 2022-06-23 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Homeric Character Conclusion (in Word Problems)
Posted on 2022-11-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Physicist Anagram Ascertainment (in Word Problems) Rating: 5.00
Posted on 2022-07-30 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 2 of 5Add the Same Letter (in Word Problems) Rating: 4.00
Posted on 2021-12-28 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 512-Step Ladder (in Word Problems) Rating: 4.00
Posted on 2022-01-01 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Find this word (in Word Problems) Rating: 2.33
Posted on 2022-01-06 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5Movie Synonym Muse (in Word Problems)
Posted on 2022-08-31 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5You Supply the Vowels (in Word Problems) Rating: 4.00
Posted on 2022-01-21 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Split Words Settlement IV (in Word Problems) Rating: 5.00
Posted on 2022-12-26 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Personality, Game, and Term Puzzle (in Word Problems) Rating: 5.00
Posted on 2022-09-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Vowel Ratio Resolution (in Word Problems) Rating: 5.00
Posted on 2022-09-17 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Split Words Settlement III (in Word Problems) Rating: 5.00
Posted on 2022-09-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5If Victor’s X-ray… (in Word Problems) Rating: 5.00
Posted on 2022-02-05 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 2 of 5Greek Epic Crossed Puzzles (in Word Problems) Rating: 5.00
Posted on 2022-09-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Pi Day (in Word Problems) Rating: 4.50
Posted on 2022-03-14 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Couple of Words II (in Word Problems) Rating: 4.50
Posted on 2022-11-03 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 3 of 5Darn you Wordle! (in Word Problems) Rating: 5.00
Posted on 2022-04-05 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Truncate last letter, get new word (in Word Problems) Rating: 4.00
Posted on 2023-02-17 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5 Specially Constituted Word (in Word Problems) Rating: 5.00
Posted on 2022-12-15 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5I-O Ratio Resolution (in Word Problems) Rating: 5.00
Posted on 2022-12-24 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 52 incompatible words (in Word Problems) Rating: 5.00
Posted on 2022-05-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Split Words Settlement V (in Word Problems) Rating: 5.00
Posted on 2023-01-17 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Beheading Something and Leaving the Same Thing (in Word Problems) Rating: 5.00
Posted on 2023-01-25 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Concealed Familiar Phrase Conclusion (in Word Problems) Rating: 4.00
Posted on 2023-05-16 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Archaic Anagram Ascertainment (in Word Problems) Rating: 5.00
Posted on 2023-01-31 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5End and Begin III (in Word Problems) Rating: 5.00
Posted on 2023-02-06 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Why Eat? (in Word Problems) Rating: 5.00
Posted on 2022-06-20 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5Pro and con (in Word Problems) Rating: 5.00
Posted on 2022-07-03 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Split Words Settlement VI (in Word Problems) Rating: 5.00
Posted on 2023-02-19 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Four Credible Word Conclusion (in Word Problems) Rating: 5.00
Posted on 2023-02-28 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5États Cachés des États Unis (in Word Problems) Rating: 4.00
Posted on 2023-03-06 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Wordle in Two (in Word Problems) Rating: 5.00
Posted on 2022-08-25 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Split Words Settlement VII (in Word Problems)
Posted on 2023-03-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Three Consecutive Letters in Order (in Word Problems) Rating: 4.00
Posted on 2023-03-15 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 5Single Letter Transposition (in Word Problems) Rating: 4.00
Posted on 2023-03-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Scrabble numbers that score themselves (in Word Problems)
Posted on 2022-09-09 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Split Words Settlement VIII (in Word Problems) Rating: 5.00
Posted on 2023-04-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Sick Sunbather Surmise (in Word Problems) Rating: 4.00
Posted on 2023-04-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Opera Crossed Synonym Surmise (in Word Problems) Rating: 5.00
Posted on 2023-04-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Ukraine war (in Word Problems)
Posted on 2022-12-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Reveal the Quote (in Word Problems) Rating: 5.00
Posted on 2023-06-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Financial Corporation Crossed Evil Person Poser (in Word Problems) Rating: 5.00
Posted on 2023-06-14 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Company Crossed Famous Singer Settlement (in Word Problems) Rating: 5.00
Posted on 2023-06-21 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5MP’s word (in Word Problems)
Posted on 2022-11-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5All vowels disclosed (in Word Problems)
Posted on 2022-11-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Special Words 2 (in Word Problems) Rating: 5.00
Posted on 2022-11-19 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Special Words 3 (in Word Problems) Rating: 5.00
Posted on 2022-12-04 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Scientific Study Branch Settlement (in Word Problems) Rating: 4.00
Posted on 2023-07-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5World Capital Lexicon (in Word Problems) Rating: 5.00
Posted on 2023-08-15 by K Sengupta (Solution Posted, 12 Comments)
Difficulty: 3 of 5Another Couple 2 (in Word Problems) Rating: 5.00
Posted on 2023-08-20 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Prisons foes (in Word Problems) Rating: 5.00
Posted on 2023-02-02 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Splitting Words 2 (in Word Problems) Rating: 5.00
Posted on 2023-09-25 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Types of Transportation (in Word Problems)
Posted on 2023-03-05 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5One+One=One (in Word Problems)
Posted on 2023-10-30 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Roman WORD2NUM (in Word Problems)
Posted on 2023-04-12 by Larry (Solution Posted, 4 Comments)
Difficulty: 4 of 5Rebus (in Word Problems)
Posted on 2023-04-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consonant and Vowel Crossed Novel and Film (in Word Problems) Rating: 5.00
Posted on 2023-11-18 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Delete a Letter, get a New Word (in Word Problems) Rating: 5.00
Posted on 2023-11-29 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Airport Codes (in Word Problems) Rating: 5.00
Posted on 2023-11-30 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Phrasing Frustration (in Word Problems)
Posted on 2023-05-29 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5Songs With Numbers (in Word Problems) Rating: 5.00
Posted on 2024-02-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Recover the faulty word (in Word Problems)
Posted on 2023-06-29 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Suggest a mnemonic (in Word Problems)
Posted on 2024-04-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Sick flick (in Word Problems) Rating: 5.00
Posted on 2023-07-08 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Find this 4C4V word (in Word Problems)
Posted on 2023-08-19 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Unique and restricted (in Word Problems) Rating: 5.00
Posted on 2023-09-06 by Ady TZIDON (Solution Posted, 12 Comments)
Difficulty: 3 of 5Five Letters Minus Two Consecutive Letters (in Word Problems)
Posted on 2024-05-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two Word - Backwards (in Word Problems) Rating: 5.00
Posted on 2024-06-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5One letter missing (in Word Problems)
Posted on 2023-10-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Word Grid #2 (in Word Problems)
Posted on 2024-07-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Seven Consonants in a row (in Word Problems) Rating: 5.00
Posted on 2024-07-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 513 new words (in Word Problems)
Posted on 2023-12-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Clue+2=New (in Word Problems)
Posted on 2023-12-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Split Words Settlement IX (in Word Problems)
Posted on 2024-07-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Input your text (in Word Problems) Rating: 4.00
Posted on 2023-12-10 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sounds Mathematical (in Word Problems)
Posted on 2023-12-14 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5People (in Word Problems)
Posted on 2023-12-17 by Ady TZIDON (No Solution Yet, 20 Comments)
Difficulty: 3 of 5Connected Names (in Word Problems)
Posted on 2023-12-20 by Larry (Solution Posted, 3 Comments)
Difficulty: 3 of 5Words like swords (in Word Problems)
Posted on 2024-01-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Filtering a phrase (in Word Problems)
Posted on 2023-12-25 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Ten Words (7) (in Word Problems)
Posted on 2024-08-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5That’s ENTERTAINMENT (in Word Problems) Rating: 5.00
Posted on 2024-01-14 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Best First Two WORDLE Guesses (in Word Problems)
Posted on 2024-08-07 by Larry (Solution Posted, 3 Comments)
Difficulty: 3 of 5Catch the catch phrase (in Word Problems)
Posted on 2024-08-20 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Some special states (in Word Problems)
Posted on 2024-02-06 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5Happy birthday, man (in Word Problems)
Posted on 2024-04-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Hidden Body Parts (in Word Problems)
Posted on 2024-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Multinational equation (in Word Problems)
Posted on 2024-04-22 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Closest to two dozens (in Word Problems)
Posted on 2024-04-24 by Ady TZIDON (No Solution Yet, 20 Comments)
Difficulty: 3 of 5Working together? (in Word Problems) Rating: 4.50
Posted on 2024-05-02 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 3 of 5A word with A's (in Word Problems) Rating: 5.00
Posted on 2024-04-30 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Waisthole (in Word Problems)
Posted on 2024-12-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Corners (in Algorithms) Rating: 4.25
Posted on 2004-07-17 by red_sox_fan_032003 (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Spirals (in Algorithms) Rating: 4.42
Posted on 2003-08-21 by DJ (Solution Posted, 11 Comments)
Difficulty: 1 of 5Number machine problem 1 (in Algorithms) Rating: 3.70
Posted on 2003-06-08 by Tim Axoy (Solution Posted, 12 Comments)
Difficulty: 3 of 5Fifth Thursdays (in Algorithms) Rating: 3.40
Posted on 2003-10-06 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Towers of Hanoi (in Algorithms) Rating: 3.07
Posted on 2003-09-07 by Lewis (Solution Posted, 22 Comments)
Difficulty: 4 of 5Answer Machine Hacking (in Algorithms) Rating: 4.43
Posted on 2004-05-24 by SilverKnight (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Permutations (in Algorithms) Rating: 4.00
Posted on 2003-07-02 by Charlie (Solution Posted, 14 Comments)
Difficulty: 3 of 5More randomness! (in Algorithms) Rating: 4.43
Posted on 2003-06-30 by levik (Solution Posted, 16 Comments)
Difficulty: 3 of 5Intersecting lines (in Algorithms) Rating: 4.00
Posted on 2003-07-01 by levik (Solution Posted, 20 Comments)
Difficulty: 3 of 59 random digits (in Algorithms) Rating: 3.40
Posted on 2003-05-02 by Gamer (Solution Posted, 20 Comments)
Difficulty: 3 of 5The Mazing (in Algorithms) Rating: 3.33
Posted on 2003-10-02 by levik (Solution Posted, 4 Comments)
Difficulty: 3 of 5Lost my pointer! (in Algorithms) Rating: 2.00
Posted on 2003-11-24 by SilverKnight (Solution Posted, 16 Comments)
Difficulty: 4 of 5Collision Course (in Algorithms) Rating: 4.35
Posted on 2003-09-11 by DJ (Solution Posted, 13 Comments)
Difficulty: 5 of 5print 'print 'print 'print ... (in Algorithms) Rating: 4.69
Posted on 2003-09-19 by DJ (Solution Posted, 32 Comments)
Difficulty: 3 of 5Lost my pointer 2 (in Algorithms) Rating: 4.00
Posted on 2003-12-18 by SilverKnight (Solution Posted, 22 Comments)
Difficulty: 4 of 5Guess a number (in Algorithms) Rating: 4.33
Posted on 2005-04-14 by Federico Kereki (Solution Posted, 19 Comments)
Difficulty: 4 of 5Word Ladders (in Algorithms) Rating: 3.00
Posted on 2003-09-24 by Charlie (Solution Posted, 11 Comments)
Difficulty: 3 of 5Firing Line (in Algorithms) Rating: 3.75
Posted on 2004-08-25 by Larry (Solution Posted, 16 Comments)
Difficulty: 2 of 5Swap (in Algorithms) Rating: 3.29
Posted on 2004-01-02 by Brian Smith (Solution Posted, 11 Comments)
Difficulty: 3 of 5Word Ladder Construction (in Algorithms) Rating: 3.00
Posted on 2004-01-15 by Charlie (Solution Posted, 7 Comments)
Difficulty: 3 of 5The Pregnant Secretary (in Algorithms) Rating: 4.00
Posted on 2004-02-21 by Federico Kereki (Solution Posted, 28 Comments)
Difficulty: 5 of 5Knight's Tour (3 & 4) (in Algorithms) Rating: 3.00
Posted on 2004-04-12 by SilverKnight (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Maze Master (in Algorithms) Rating: 4.33
Posted on 2004-06-21 by Gamer (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Root Route (in Algorithms) Rating: 2.20
Posted on 2004-06-29 by Gamer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Finding the maximum (in Algorithms) Rating: 4.00
Posted on 2004-04-21 by e.g. (Solution Posted, 16 Comments)
Difficulty: 5 of 5Mental Math Competition (in Algorithms) Rating: 2.20
Posted on 2005-04-29 by David Shin (Solution Posted, 7 Comments)
Difficulty: 2 of 5Rotating an array (in Algorithms) Rating: 4.00
Posted on 2004-04-19 by e.g. (Solution Posted, 26 Comments)
Difficulty: 3 of 5Towers of Hanoi variation (in Algorithms) Rating: 4.00
Posted on 2005-05-03 by Tristan (Solution Posted, 15 Comments)
Difficulty: 3 of 5Random Number Generator (in Algorithms) Rating: 2.00
Posted on 2004-06-08 by Brian Smith (Solution Posted, 27 Comments)
Difficulty: 4 of 5Just by hand, only by hand, nothing but by hand? (in Algorithms) Rating: 4.17
Posted on 2004-07-26 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Select an Item (in Algorithms) Rating: 3.25
Posted on 2004-10-22 by Brian Smith (Solution Posted, 13 Comments)
Difficulty: 4 of 5Whadduzitdo? (in Algorithms) Rating: 3.71
Posted on 2005-01-14 by e.g. (Solution Posted, 10 Comments)
Difficulty: 3 of 5Random Check (in Algorithms) Rating: 3.00
Posted on 2005-02-11 by Charlie (Solution Posted, 11 Comments)
Difficulty: 3 of 5The Card Sorting Machine (in Algorithms) Rating: 3.00
Posted on 2004-11-12 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 2 of 5Sequence of Musical Tones (in Algorithms) Rating: 3.83
Posted on 2004-12-14 by Erik O. (Solution Posted, 20 Comments)
Difficulty: 2 of 5Counting Sand (in Algorithms) Rating: 3.33
Posted on 2005-04-07 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 3 of 5Hat Exchange (in Algorithms) Rating: 3.00
Posted on 2005-02-24 by Avin (Solution Posted, 9 Comments)
Difficulty: 3 of 5Intuitive Coins (in Algorithms) Rating: 3.80
Posted on 2005-03-29 by Federico Kereki (Solution Posted, 14 Comments)
Difficulty: 3 of 5Three of Hanoi (in Algorithms) Rating: 4.50
Posted on 2005-07-01 by Federico Kereki (Solution Posted, 3 Comments)
Difficulty: 3 of 5Sign of a Permutation (in Algorithms) Rating: 3.20
Posted on 2006-08-05 by Richard (Solution Posted, 11 Comments)
Difficulty: 3 of 5Jump around (in Algorithms) Rating: 3.57
Posted on 2005-07-09 by Hugo (Solution Posted, 7 Comments)
Difficulty: 3 of 5Trading Places 2D (in Algorithms)
Posted on 2006-06-07 by Sir Percivale (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The fog (in Algorithms) Rating: 2.67
Posted on 2005-11-01 by Hugo (Solution Posted, 26 Comments)
Difficulty: 3 of 5Hanoi Hard Hack (in Algorithms) Rating: 3.67
Posted on 2006-04-23 by Old Original Oskar! (Solution Posted, 8 Comments)
Difficulty: 3 of 5Wolf in a field (in Algorithms) Rating: 3.00
Posted on 2006-02-23 by goFish (No Solution Yet, 17 Comments)
Difficulty: 4 of 5Another Man's Floor (in Algorithms) Rating: 4.50
Posted on 2005-11-23 by Richard (Solution Posted, 11 Comments)
Difficulty: 4 of 5Wreck out! (in Algorithms) Rating: 4.14
Posted on 2006-04-03 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 2 of 5Eleven Square Roots in a Logarithm (in Algorithms) Rating: 3.33
Posted on 2006-09-05 by Richard (Solution Posted, 7 Comments)
Difficulty: 2 of 5Shrink needed (in Algorithms) Rating: 3.67
Posted on 2006-10-18 by JLo (Solution Posted, 26 Comments)
Difficulty: 3 of 5Queen Square II (in Algorithms) Rating: 4.33
Posted on 2006-11-22 by Gamer (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Fractional computation (in Algorithms) Rating: 4.18
Posted on 2006-11-21 by Tristan (Solution Posted, 7 Comments)
Difficulty: 3 of 5Triple Convergence (in Algorithms) Rating: 4.00
Posted on 2007-06-08 by Federico Kereki (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisible by 11 (in Algorithms) Rating: 3.00
Posted on 2008-01-02 by Chesca Ciprian (Solution Posted, 3 Comments)
Difficulty: 3 of 5Guess the date (in Algorithms) Rating: 4.00
Posted on 2007-12-30 by Paddy (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Unbounded Maze (in Algorithms) Rating: 4.00
Posted on 2008-01-18 by brianjn (Solution Posted, 19 Comments)
Difficulty: 1 of 5Single Line Expression (in Algorithms) Rating: 5.00
Posted on 2008-01-27 by Praneeth (Solution Posted, 6 Comments)
Difficulty: 5 of 5Tic-Tac-Toyola (in Algorithms) Rating: 4.00
Posted on 2008-04-26 by FrankM (Solution Posted, 9 Comments)
Difficulty: 3 of 5The great tunnel switch II (in Algorithms) Rating: 3.00
Posted on 2008-12-26 by Gamer (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Painter's Dilemma (in Algorithms) Rating: 4.00
Posted on 2011-03-08 by Kenny M (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Constructing a Sphere (in Algorithms) Rating: 4.00
Posted on 2012-02-25 by Dustin (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Logical connectives (in Algorithms) Rating: 4.67
Posted on 2012-01-24 by Math Man (Solution Posted, 6 Comments)
Difficulty: 3 of 5Base Conversion Conclusion (in Algorithms)
Posted on 2014-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ceiling and Floor Formulation (in Algorithms)
Posted on 2013-03-04 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Algebraic Device (in Algorithms)
Posted on 2013-03-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5NegaBinary Numbers (in Algorithms) Rating: 3.00
Posted on 2013-08-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5 Algorithm requested (in Algorithms) Rating: 4.00
Posted on 2013-12-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Tank draining (in Algorithms) Rating: 3.00
Posted on 2013-10-14 by Tristan (Solution Posted, 6 Comments)
Difficulty: 2 of 5Recruiting Crisis (in Algorithms) Rating: 3.00
Posted on 2014-10-03 by Dustin (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Deux Power Divisibility (in Algorithms) Rating: 5.00
Posted on 2015-04-12 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Number machine problem 2 (in Algorithms) Rating: 3.00
Posted on 2014-12-02 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Shared by squares (in Algorithms) Rating: 4.00
Posted on 2015-02-10 by Jer (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Optimizing Potency (in Algorithms) Rating: 4.67
Posted on 2015-11-19 by Steve Herman (Solution Posted, 10 Comments)
Difficulty: 3 of 5Duodecimal Pandigital Divisibility Device (in Algorithms) Rating: 5.00
Posted on 2016-09-13 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5NegaTernary Nuance (in Algorithms) Rating: 5.00
Posted on 2016-09-14 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Nineteen Divisibility Nuance (in Algorithms)
Posted on 2016-09-24 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Random Trial (in Algorithms) Rating: 4.00
Posted on 2016-10-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Exclusive Inverter (in Algorithms) Rating: 3.00
Posted on 2016-12-21 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Growth Potential (in Algorithms) Rating: 4.00
Posted on 2017-04-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Marbles in boxes (in Algorithms)
Posted on 2017-08-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Leaving a maximal result (in Algorithms)
Posted on 2017-08-25 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Unique decimal primes (in Algorithms)
Posted on 2017-11-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 5 of 5Crossword puzzles (in Algorithms) Rating: 5.00
Posted on 2019-05-21 by Math Man (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Two Towers Hanoi (in Algorithms) Rating: 3.00
Posted on 2020-05-27 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Linked List Deleted (in Algorithms)
Posted on 2021-05-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisible by 13 (in Algorithms) Rating: 5.00
Posted on 2022-04-15 by K Sengupta (Solution Posted, 11 Comments)
Difficulty: 3 of 5Two Probability Distributions (in Algorithms) Rating: 5.00
Posted on 2021-06-21 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Balanced Ternary Treat (in Algorithms) Rating: 5.00
Posted on 2022-11-04 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Decimal Division Decision (in Algorithms) Rating: 4.00
Posted on 2021-12-05 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Golden Ratio Gradation (in Algorithms) Rating: 5.00
Posted on 2022-01-27 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Roman Square Root Resolution (in Algorithms) Rating: 3.00
Posted on 2022-05-15 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Fifth Thursdays and Sundays (in Algorithms) Rating: 5.00
Posted on 2022-05-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Lexicographic Listing (in Algorithms) Rating: 4.00
Posted on 2022-05-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Half Integer Base Baffle (in Algorithms) Rating: 5.00
Posted on 2022-07-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Tautonymic number counting (in Algorithms) Rating: 5.00
Posted on 2022-09-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Fifth Root Finding (in Algorithms) Rating: 5.00
Posted on 2022-09-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5NegaDuodecimal Nuance (in Algorithms) Rating: 5.00
Posted on 2022-09-23 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Five Multiplication Foray (in Algorithms) Rating: 5.00
Posted on 2022-09-26 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Divisible by B (in Algorithms) Rating: 5.00
Posted on 2023-02-10 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Binary Square Root Resolution (in Algorithms) Rating: 5.00
Posted on 2023-02-14 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Seventeen Divisibility Surmise (in Algorithms) Rating: 5.00
Posted on 2023-03-04 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Decimal Division Decision 2 (in Algorithms) Rating: 5.00
Posted on 2023-03-16 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Divisible by Prime Power (in Algorithms) Rating: 5.00
Posted on 2023-05-15 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Year Yearn 5 (in Algorithms) Rating: 5.00
Posted on 2023-06-28 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Metapuzzle II (in Algorithms)
Posted on 2023-02-14 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Ternary Multiplication Algorithm (in Algorithms) Rating: 5.00
Posted on 2023-03-24 by Larry (Solution Posted, 2 Comments)
Difficulty: 3 of 5B-Palindromes 2 (in Algorithms)
Posted on 2024-03-30 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Number of Zero Digits (in Algorithms) Rating: 5.00
Posted on 2024-04-07 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 4 of 5Crackers (in Cryptography) Rating: 3.67
Posted on 2002-12-25 by Cory Taylor (Solution Posted, 6 Comments)
Difficulty: 4 of 5Nothing but flowers (in Cryptography) Rating: 4.40
Posted on 2003-12-12 by exoticorn (Solution Posted, 9 Comments)
Difficulty: 3 of 5Middle order (in Cryptography) Rating: 3.80
Posted on 2004-03-21 by Gamer (Solution Posted, 11 Comments)
Difficulty: 3 of 5Looking Through the Looking Glass (in Cryptography) Rating: 4.20
Posted on 2004-05-04 by Victor Zapana (Solution Posted, 12 Comments)
Difficulty: 3 of 5Colorful Noise (in Cryptography) Rating: 4.00
Posted on 2005-04-25 by Jay Schamel (Solution Posted, 19 Comments)
Difficulty: 5 of 5a2o3t6t7 (in Cryptography) Rating: 2.71
Posted on 2003-04-09 by Bryan (Solution Posted, 17 Comments)
Difficulty: 2 of 5b1f2g3j1v2! (in Cryptography) Rating: 3.50
Posted on 2003-06-09 by Gamer (Solution Posted, 14 Comments)
Difficulty: 2 of 5r3m1e4o2 g6a1d2d3n5i4 (in Cryptography) Rating: 2.75
Posted on 2003-09-05 by Lewis (Solution Posted, 13 Comments)
Difficulty: 4 of 5Can Y@@ou D%ecry*pt This? (in Cryptography) Rating: 4.43
Posted on 2003-07-07 by DJ (Solution Posted, 18 Comments)
Difficulty: 3 of 5Letters to numbers (in Cryptography) Rating: 3.79
Posted on 2004-02-13 by Gamer (Solution Posted, 36 Comments)
Difficulty: 4 of 5Tricky Code (in Cryptography) Rating: 4.33
Posted on 2003-08-10 by Bryan (Solution Posted, 9 Comments)
Difficulty: 3 of 5t1eq6n (in Cryptography) Rating: 2.60
Posted on 2003-09-01 by Lewis (Solution Posted, 17 Comments)
Difficulty: 4 of 5Third Base (in Cryptography) Rating: 2.71
Posted on 2003-09-15 by Gamer (Solution Posted, 14 Comments)
Difficulty: 5 of 5PGKKW XIMAF TNEGA NFYGZ TMUIV (in Cryptography) Rating: 4.11
Posted on 2003-12-05 by DJ (Solution Posted, 20 Comments)
Difficulty: 4 of 5Shakespeare's Numbers (in Cryptography) Rating: 4.17
Posted on 2004-01-09 by Sam (Solution Posted, 6 Comments)
Difficulty: 2 of 51724362623 332826 (in Cryptography) Rating: 2.50
Posted on 2003-12-01 by Gamer (Solution Posted, 19 Comments)
Difficulty: 3 of 5The Girl in the Middle (in Cryptography) Rating: 4.09
Posted on 2003-12-03 by Gamer (Solution Posted, 17 Comments)
Difficulty: 3 of 5Secret Message (in Cryptography) Rating: 2.33
Posted on 2003-11-16 by Lewis (Solution Posted, 22 Comments)
Difficulty: 3 of 5Two Encrypted Questions (in Cryptography) Rating: 2.20
Posted on 2003-12-22 by Brian Smith (Solution Posted, 5 Comments)
Difficulty: 4 of 5Who Said That? (in Cryptography) Rating: 2.71
Posted on 2004-07-03 by Juggler (Solution Posted, 5 Comments)
Difficulty: 2 of 5Differential Cryptography (in Cryptography) Rating: 2.25
Posted on 2004-09-19 by Juggler (Solution Posted, 8 Comments)
Difficulty: 2 of 5What are you saying? (in Cryptography) Rating: 3.75
Posted on 2004-04-05 by Victor Zapana (Solution Posted, 15 Comments)
Difficulty: 5 of 5e7(20) n2(17) (in Cryptography) Rating: 3.30
Posted on 2004-04-13 by Victor Zapana (Solution Posted, 31 Comments)
Difficulty: 2 of 5Your spelling is very bad (in Cryptography) Rating: 4.00
Posted on 2004-10-07 by Tristan (Solution Posted, 16 Comments)
Difficulty: 2 of 5You Rang! (in Cryptography) Rating: 3.78
Posted on 2004-08-25 by Juggler (Solution Posted, 7 Comments)
Difficulty: 4 of 5Not-So-Simple Substitution (in Cryptography) Rating: 3.33
Posted on 2004-07-09 by Popstar Dave (Solution Posted, 6 Comments)
Difficulty: 2 of 5Who's the boss? (in Cryptography) Rating: 4.63
Posted on 2004-10-29 by GOM (Solution Posted, 8 Comments)
Difficulty: 2 of 5It's not there! (in Cryptography) Rating: 3.00
Posted on 2004-07-12 by Gamer (Solution Posted, 6 Comments)
Difficulty: 2 of 5One Step at a Time. (in Cryptography) Rating: 2.25
Posted on 2004-08-03 by Juggler (Solution Posted, 3 Comments)
Difficulty: 3 of 5Noisy Code (in Cryptography) Rating: 4.42
Posted on 2005-01-15 by Sam (Solution Posted, 17 Comments)
Difficulty: 2 of 5Ten Five-Letter Words (in Cryptography) Rating: 3.50
Posted on 2004-11-18 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 4 of 5Fire Lovers Furniture Monthly (in Cryptography) Rating: 3.00
Posted on 2004-11-13 by Juggler (Solution Posted, 8 Comments)
Difficulty: 3 of 5On Tour (in Cryptography) Rating: 4.00
Posted on 2004-11-03 by Jenny Turner (Solution Posted, 29 Comments)
Difficulty: 2 of 5Keystroke Abbreviation (in Cryptography) Rating: 3.00
Posted on 2004-10-20 by Juggler (Solution Posted, 5 Comments)
Difficulty: 5 of 5About Two Pounds (in Cryptography) Rating: 3.29
Posted on 2004-11-09 by Erik O. (Solution Posted, 8 Comments)
Difficulty: 3 of 5Ballpark Figures (in Cryptography) Rating: 3.25
Posted on 2005-02-18 by Captain Paradox (Solution Posted, 4 Comments)
Difficulty: 3 of 5Inspector Morse (in Cryptography) Rating: 4.00
Posted on 2005-03-20 by Juggler (Solution Posted, 24 Comments)
Difficulty: 4 of 5Where to 'S'tart (in Cryptography) Rating: 2.17
Posted on 2004-11-30 by Juggler (Solution Posted, 8 Comments)
Difficulty: 4 of 5Cubic Dilemma (in Cryptography) Rating: 3.75
Posted on 2005-01-05 by Juggler (Solution Posted, 8 Comments)
Difficulty: 3 of 5‘,.pyf versus h.soav (in Cryptography) Rating: 3.50
Posted on 2005-01-21 by nikki (Solution Posted, 14 Comments)
Difficulty: 3 of 5Sequence E.T. cetera (in Cryptography) Rating: 3.33
Posted on 2005-04-05 by Larry (Solution Posted, 11 Comments)
Difficulty: 2 of 5Are we odd for liking this? (in Cryptography) Rating: 4.30
Posted on 2005-06-09 by Jer (Solution Posted, 12 Comments)
Difficulty: 2 of 5TNR (in Cryptography) Rating: 4.39
Posted on 2005-05-18 by Larry (Solution Posted, 7 Comments)
Difficulty: 2 of 5Cartoon Prison (in Cryptography) Rating: 4.40
Posted on 2005-05-21 by Larry (Solution Posted, 12 Comments)
Difficulty: 4 of 5Saturn V (in Cryptography) Rating: 3.75
Posted on 2005-08-13 by Erik O. (Solution Posted, 4 Comments)
Difficulty: 4 of 5You can't add numbers (in Cryptography) Rating: 3.40
Posted on 2005-09-12 by jduval (Solution Posted, 11 Comments)
Difficulty: 2 of 5Amazing news (in Cryptography) Rating: 4.00
Posted on 2006-01-07 by pcbouhid (Solution Posted, 5 Comments)
Difficulty: 3 of 5Word2Num (in Cryptography) Rating: 4.00
Posted on 2005-07-15 by Larry (Solution Posted, 9 Comments)
Difficulty: 3 of 5Are we odd for liking this, too? (in Cryptography) Rating: 3.33
Posted on 2005-08-30 by Erik O. (Solution Posted, 18 Comments)
Difficulty: 4 of 5A Dropped Composition (in Cryptography) Rating: 4.00
Posted on 2005-12-12 by Bob Smith (Solution Posted, 16 Comments)
Difficulty: 2 of 5Who? (in Cryptography) Rating: 3.00
Posted on 2006-06-04 by Jer (Solution Posted, 7 Comments)
Difficulty: 3 of 5Which Biblical figure? (in Cryptography) Rating: 4.00
Posted on 2006-04-12 by Diana (No Solution Yet, 10 Comments)
Difficulty: 4 of 5covert western union (in Cryptography) Rating: 4.67
Posted on 2006-02-07 by Mindrod (Solution Posted, 6 Comments)
Difficulty: 4 of 5Jargon? (in Cryptography) Rating: 2.00
Posted on 2006-08-15 by Kevin (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Odoacer (in Cryptography) Rating: 4.67
Posted on 2006-01-30 by Mindrod (Solution Posted, 9 Comments)
Difficulty: 5 of 5HGHFE.LIT (in Cryptography) Rating: 4.33
Posted on 2006-03-09 by Dustin (Solution Posted, 6 Comments)
Difficulty: 3 of 5A Song for the Season (in Cryptography) Rating: 4.33
Posted on 2006-02-08 by Gamer (Solution Posted, 20 Comments)
Difficulty: 2 of 5XOR (in Cryptography) Rating: 3.80
Posted on 2005-10-22 by Gamer (Solution Posted, 27 Comments)
Difficulty: 2 of 5Minus one (in Cryptography) Rating: 4.33
Posted on 2006-02-05 by Joe (Solution Posted, 15 Comments)
Difficulty: 3 of 5what a lovely View... (in Cryptography) Rating: 3.89
Posted on 2006-03-12 by Dustin (Solution Posted, 24 Comments)
Difficulty: 3 of 5To and Fro (in Cryptography) Rating: 4.67
Posted on 2006-02-13 by Vernon Lewis (Solution Posted, 7 Comments)
Difficulty: 4 of 5Entangled code (in Cryptography) Rating: 4.33
Posted on 2005-12-25 by Tristan (Solution Posted, 22 Comments)
Difficulty: 2 of 5ABC - easy as 123 (in Cryptography) Rating: 4.17
Posted on 2006-02-24 by Rob (Solution Posted, 16 Comments)
Difficulty: 2 of 5Please, Mr. Postman (in Cryptography) Rating: 3.00
Posted on 2005-12-02 by pcbouhid (Solution Posted, 18 Comments)
Difficulty: 3 of 5Discover U.S. (in Cryptography) Rating: 3.60
Posted on 2006-03-14 by Mindrod (Solution Posted, 12 Comments)
Difficulty: 3 of 5Vigenere's Hidden Word Square (in Cryptography) Rating: 4.14
Posted on 2006-01-20 by Mindrod (Solution Posted, 12 Comments)
Difficulty: 3 of 5Discover Us (in Cryptography) Rating: 4.25
Posted on 2006-01-24 by Mindrod (Solution Posted, 14 Comments)
Difficulty: 3 of 5I win! (in Cryptography) Rating: 4.00
Posted on 2006-02-20 by Joe (Solution Posted, 6 Comments)
Difficulty: 2 of 5What's the Code, Holmes? (in Cryptography) Rating: 4.00
Posted on 2006-03-21 by Vernon Lewis (Solution Posted, 9 Comments)
Difficulty: 3 of 5Bit by Bit (in Cryptography) Rating: 4.25
Posted on 2006-05-12 by Gamer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Devils in my stomach (in Cryptography) Rating: 3.71
Posted on 2006-02-26 by Andre (No Solution Yet, 18 Comments)
Difficulty: 4 of 5Definition of Cryptography (in Cryptography) Rating: 4.00
Posted on 2005-10-13 by Juggler (Solution Posted, 10 Comments)
Difficulty: 2 of 5I don't know. (in Cryptography) Rating: 3.43
Posted on 2006-02-16 by Dustin (No Solution Yet, 53 Comments)
Difficulty: 3 of 5Good Morning (in Cryptography) Rating: 3.67
Posted on 2005-11-17 by Larry (Solution Posted, 7 Comments)
Difficulty: 3 of 5Cristofori meets Newton (in Cryptography) Rating: 4.13
Posted on 2006-04-22 by Highway6 (No Solution Yet, 6 Comments)
Difficulty: 4 of 5202001221220110111011000 (in Cryptography) Rating: 5.00
Posted on 2006-07-21 by Gamer (No Solution Yet, 7 Comments)
Difficulty: 4 of 5One Away (in Cryptography) Rating: 4.33
Posted on 2005-12-30 by Gamer (Solution Posted, 28 Comments)
Difficulty: 1 of 5The Year of Four Emperors (in Cryptography) Rating: 4.00
Posted on 2005-09-16 by Lisa (Solution Posted, 10 Comments)
Difficulty: 2 of 5Hay Che Aydee - Aysee Hay Che (in Cryptography) Rating: 3.25
Posted on 2005-09-19 by Juggler (Solution Posted, 9 Comments)
Difficulty: 3 of 5Lonhard (in Cryptography) Rating: 4.25
Posted on 2006-02-09 by Mindrod (Solution Posted, 11 Comments)
Difficulty: 3 of 5ZGYZHS (in Cryptography) Rating: 3.50
Posted on 2005-11-11 by Larry (Solution Posted, 5 Comments)
Difficulty: 3 of 5Secret seduction (in Cryptography) Rating: 3.83
Posted on 2005-11-07 by Bob Smith (Solution Posted, 12 Comments)
Difficulty: 3 of 5Dividing Between the Lines (in Cryptography) Rating: 4.17
Posted on 2005-09-29 by Gamer (Solution Posted, 9 Comments)
Difficulty: 3 of 5ASKY? Code (in Cryptography) Rating: 3.25
Posted on 2005-09-27 by Juggler (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Play fair in Europe! (in Cryptography) Rating: 4.22
Posted on 2006-06-29 by Federico Kereki (Solution Posted, 13 Comments)
Difficulty: 3 of 5Indostan Tableaux (in Cryptography) Rating: 4.40
Posted on 2006-07-08 by Dej Mar (Solution Posted, 7 Comments)
Difficulty: 2 of 5Twos, it's all in the twos (in Cryptography) Rating: 2.67
Posted on 2006-08-30 by Rachael (Solution Posted, 4 Comments)
Difficulty: 3 of 5First Impressions (in Cryptography) Rating: 3.00
Posted on 2006-07-10 by Gamer (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Chain Production (in Cryptography) Rating: 4.00
Posted on 2006-07-13 by Gamer (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Value my Position (in Cryptography) Rating: 4.67
Posted on 2006-07-26 by brianjn (Solution Posted, 9 Comments)
Difficulty: 3 of 5Shape Code (in Cryptography)
Posted on 2006-09-22 by Salil (No Solution Yet, 10 Comments)
Difficulty: 3 of 5nonsense phrase (in Cryptography) Rating: 3.00
Posted on 2006-09-15 by bookworm (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Face time (in Cryptography)
Posted on 2006-09-13 by Gamer (Solution Posted, 3 Comments)
Difficulty: 1 of 5numbers and more (in Cryptography) Rating: 3.67
Posted on 2006-10-26 by Rachael (Solution Posted, 3 Comments)
Difficulty: 2 of 5One Away II (in Cryptography) Rating: 4.00
Posted on 2006-11-23 by Gamer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Red herrings (in Cryptography) Rating: 4.20
Posted on 2006-12-19 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5You leave me no alternative (in Cryptography) Rating: 4.38
Posted on 2006-12-12 by Dustin (Solution Posted, 7 Comments)
Difficulty: 4 of 5One Away III (in Cryptography) Rating: 4.00
Posted on 2007-01-30 by Gamer (No Solution Yet, 17 Comments)
Difficulty: 2 of 5Reassemble My Double (in Cryptography) Rating: 2.33
Posted on 2007-03-30 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5Bugs and Cubs (in Cryptography) Rating: 4.67
Posted on 2007-05-29 by Josie Faulkner (Solution Posted, 13 Comments)
Difficulty: 2 of 5Fear this problem! (in Cryptography)
Posted on 2007-06-07 by jduval (Solution Posted, 2 Comments)
Difficulty: 3 of 5The Couples Bond (in Cryptography) Rating: 3.50
Posted on 2007-10-05 by brianjn (Solution Posted, 5 Comments)
Difficulty: 3 of 5A Song for the Season 2 (in Cryptography) Rating: 5.00
Posted on 2007-12-25 by Gamer (Solution Posted, 12 Comments)
Difficulty: 4 of 5Pieces of Pi (in Cryptography) Rating: 4.00
Posted on 2008-08-30 by brianjn (Solution Posted, 8 Comments)
Difficulty: 1 of 5Strange Sequential String (in Cryptography) Rating: 3.00
Posted on 2008-12-15 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Mighty Mysterious Missive (in Cryptography) Rating: 3.00
Posted on 2009-01-03 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5ABBA On The Lean (in Cryptography)
Posted on 2009-01-01 by brianjn (Solution Posted, 16 Comments)
Difficulty: 2 of 5Succinct Start Schedule (in Cryptography) Rating: 5.00
Posted on 2009-01-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 1 of 5Coded Envelope (in Cryptography) Rating: 5.00
Posted on 2009-04-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Harry Trotter and the Cinnamon Swirls (in Cryptography)
Posted on 2009-03-21 by rod hines (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Who said this? (in Cryptography) Rating: 3.00
Posted on 2009-04-19 by pcbouhid (Solution Posted, 6 Comments)
Difficulty: 2 of 5Wonderful problem (in Cryptography) Rating: 4.00
Posted on 2009-06-07 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 5 of 5Duality (in Cryptography) Rating: 5.00
Posted on 2009-06-21 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Author Ascertainment (in Cryptography) Rating: 2.00
Posted on 2009-10-13 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 1 of 5Decode my message. (in Cryptography) Rating: 3.00
Posted on 2010-08-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Halfway Split (in Cryptography)
Posted on 2010-03-26 by brianjn (Solution Posted, 3 Comments)
Difficulty: 2 of 5Dominance (in Cryptography)
Posted on 2010-06-20 by brianjn (Solution Posted, 7 Comments)
Difficulty: 2 of 5Blind Turns (in Cryptography)
Posted on 2010-01-18 by brianjn (Solution Posted, 10 Comments)
Difficulty: 2 of 5Sight Unseen (in Cryptography)
Posted on 2010-01-13 by brianjn (Solution Posted, 6 Comments)
Difficulty: 3 of 5Using 128 digits (in Cryptography) Rating: 4.00
Posted on 2010-04-19 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 4 of 5Double coded message (in Cryptography) Rating: 3.50
Posted on 2010-04-21 by Jer (Solution Posted, 3 Comments)
Difficulty: 3 of 5Halfway Split2 (in Cryptography)
Posted on 2010-04-08 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Think Spiral (in Cryptography) Rating: 2.50
Posted on 2010-04-30 by brianjn (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Foundation Piece (in Cryptography) Rating: 3.00
Posted on 2010-09-16 by brianjn (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Dudeney revisited (in Cryptography) Rating: 5.00
Posted on 2010-11-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mélodie de porc (in Cryptography) Rating: 2.00
Posted on 2010-11-30 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Face book (in Cryptography) Rating: 3.60
Posted on 2010-11-29 by Gamer (Solution Posted, 43 Comments)
Difficulty: 3 of 5The Search (in Cryptography) Rating: 5.00
Posted on 2011-05-10 by Gamer (Solution Posted, 10 Comments)
Difficulty: 3 of 5Two Encrypted Questions II (in Cryptography) Rating: 5.00
Posted on 2011-07-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5"?"..."!" (in Cryptography) Rating: 3.00
Posted on 2011-02-11 by broll (Solution Posted, 21 Comments)
Difficulty: 5 of 5Lovecraft calling (in Cryptography)
Posted on 2011-04-30 by broll (Solution Posted, 2 Comments)
Difficulty: 3 of 5Who said to whom and when? (in Cryptography) Rating: 4.00
Posted on 2011-06-13 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5The Calamari Stringer (in Cryptography) Rating: 4.67
Posted on 2011-06-20 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Over the Baker's Fence (in Cryptography) Rating: 5.00
Posted on 2011-07-07 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sport Surmise (in Cryptography) Rating: 3.50
Posted on 2014-12-29 by K Sengupta (Solution Posted, 8 Comments)
Difficulty: 4 of 5All Shift by 1 (in Cryptography) Rating: 3.50
Posted on 2011-07-15 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Cryptajoke II (in Cryptography)
Posted on 2014-10-11 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5A cryptic toast (in Cryptography)
Posted on 2014-11-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Quantum Coding (in Cryptography)
Posted on 2011-08-16 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 2 of 5SF Author Quote (in Cryptography)
Posted on 2011-12-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Performer Resolution (in Cryptography)
Posted on 2011-12-29 by K Sengupta (Solution Posted, 7 Comments)
Difficulty: 4 of 5Coded Crossword (in Cryptography) Rating: 5.00
Posted on 2011-10-10 by Math Man (Solution Posted, 1 Comments)
Difficulty: 3 of 5Rightful Replacement (in Cryptography)
Posted on 2012-02-22 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Identifiable Identities (in Cryptography)
Posted on 2012-03-31 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Some dinner! (in Cryptography) Rating: 3.00
Posted on 2014-06-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cryptajoke I (in Cryptography)
Posted on 2014-07-07 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5To anagram segments is important,but... (in Cryptography) Rating: 4.00
Posted on 2014-07-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5'W'here to Start (in Cryptography) Rating: 4.00
Posted on 2012-01-19 by Dustin (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cuisine Conclusion (in Cryptography) Rating: 5.00
Posted on 2014-09-18 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Hard times (in Cryptography)
Posted on 2014-05-15 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Not in every dictionary (in Cryptography)
Posted on 2014-05-09 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5The pandigital student (in Cryptography) Rating: 3.00
Posted on 2014-05-29 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5Performer Resolution II (in Cryptography)
Posted on 2014-06-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5US or NOT (in Cryptography) Rating: 4.67
Posted on 2012-09-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Words of warning (in Cryptography) Rating: 4.00
Posted on 2012-05-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Big spenders (in Cryptography)
Posted on 2014-05-07 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5The end of the line (in Cryptography)
Posted on 2014-04-29 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Poem Ponder (in Cryptography) Rating: 4.00
Posted on 2014-07-18 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 5Very disappointed (in Cryptography)
Posted on 2012-09-26 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Underground occupation (in Cryptography) Rating: 5.00
Posted on 2013-02-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Trespassing (in Cryptography) Rating: 5.00
Posted on 2013-03-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Coded Crossword 2 (in Cryptography) Rating: 5.00
Posted on 2014-01-24 by Math Man (Solution Posted, 3 Comments)
Difficulty: 3 of 5Computer's Delight (in Cryptography) Rating: 4.00
Posted on 2013-04-14 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 513-Letter Key (in Cryptography) Rating: 4.40
Posted on 2013-05-16 by Charlie (Solution Posted, 8 Comments)
Difficulty: 3 of 5A hidden message (in Cryptography)
Posted on 2014-01-06 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5Coded Sentences (in Cryptography) Rating: 4.00
Posted on 2014-03-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Barcoded (in Cryptography)
Posted on 2013-11-14 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5One in Eight (in Cryptography)
Posted on 2014-09-29 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two cities + (in Cryptography) Rating: 4.00
Posted on 2014-11-21 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Which is which (in Cryptography) Rating: 4.00
Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5A Cryptajoke III (in Cryptography)
Posted on 2015-01-09 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Is it easy? (in Cryptography)
Posted on 2015-02-12 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 4 of 5Back to the Bard (in Cryptography)
Posted on 2015-02-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5General advice (in Cryptography) Rating: 5.00
Posted on 2015-04-03 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5Cryptajoke V (in Cryptography) Rating: 3.00
Posted on 2015-04-30 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5My friend (in Cryptography)
Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Short advice (in Cryptography)
Posted on 2015-05-08 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5No letters (in Cryptography) Rating: 4.00
Posted on 2015-07-27 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 52 easy cryptajokes (VIII) (in Cryptography)
Posted on 2015-09-18 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 1 of 5Cryptajoke IX (in Cryptography)
Posted on 2015-09-28 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Daylight Saving (in Cryptography) Rating: 5.00
Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 58 digit rhyme (in Cryptography) Rating: 3.00
Posted on 2015-10-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Will you find it? (in Cryptography)
Posted on 2015-10-19 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cryptajoke XI (in Cryptography) Rating: 3.00
Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seven numbers for seven words (in Cryptography) Rating: 4.00
Posted on 2015-11-02 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 2 of 5Cryptajoke XII (in Cryptography) Rating: 4.33
Posted on 2015-11-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Poem Ponder (in Cryptography)
Posted on 2016-07-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Ten cities (in Cryptography) Rating: 4.00
Posted on 2015-12-24 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 4 of 5A clever promotion (in Cryptography) Rating: 5.00
Posted on 2016-04-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cryptajoke XIV (in Cryptography)
Posted on 2016-05-06 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Cryptajoke XIII (in Cryptography)
Posted on 2016-06-13 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Who said it? (in Cryptography)
Posted on 2016-07-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Cryptajoke XV (in Cryptography)
Posted on 2016-09-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Cryptajoke XVIII (in Cryptography)
Posted on 2017-11-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reverse Engineering I (in Cryptography) Rating: 3.00
Posted on 2017-11-09 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Clear and Simple (in Cryptography)
Posted on 2017-10-12 by broll (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Three, three and the key (in Cryptography) Rating: 4.00
Posted on 2018-02-23 by armando (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cypher Phrase (in Cryptography) Rating: 3.00
Posted on 2018-06-13 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Key Phrase (in Cryptography) Rating: 3.00
Posted on 2019-03-11 by Charlie (Solution Posted, 2 Comments)
Difficulty: 3 of 5Api ece mea lpu zzl eto dec ode (in Cryptography)
Posted on 2019-07-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Phrase and misconception (in Cryptography) Rating: 3.00
Posted on 2020-01-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Coded Crossword 3 (in Cryptography) Rating: 4.50
Posted on 2020-02-21 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Welcome, 2021 (in Cryptography) Rating: 3.00
Posted on 2020-12-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5My two lamps and I (in Cryptography) Rating: 3.50
Posted on 2021-08-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 2 of 5A monthly puzzle (in Cryptography) Rating: 5.00
Posted on 2021-08-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 56 out of 20 (in Cryptography) Rating: 5.00
Posted on 2021-12-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Bugs and Cubs II (in Cryptography) Rating: 5.00
Posted on 2022-10-07 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Countries of the World II (in Cryptography) Rating: 5.00
Posted on 2023-01-11 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Checking the score (in Cryptography) Rating: 4.00
Posted on 2022-06-27 by broll (No Solution Yet, 3 Comments)
Difficulty: 1 of 5The Highlife (in Cryptography)
Posted on 2022-09-16 by Steven Lord (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Musician Quote (in Cryptography) Rating: 4.00
Posted on 2023-10-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Wait for it (in Cryptography) Rating: 4.00
Posted on 2023-11-26 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5May I help you ? (in Cryptography)
Posted on 2023-05-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5My pledge: IOU (in Cryptography) Rating: 5.00
Posted on 2023-05-19 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 2 of 5Meeting Place (in Cryptography) Rating: 5.00
Posted on 2023-12-31 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Coded Crossword 4 (in Cryptography)
Posted on 2023-06-07 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Short Hidden Message (in Cryptography) Rating: 5.00
Posted on 2024-02-08 by K Sengupta (Solution Posted, 0 Comments)
Difficulty: 3 of 5Elementary, my dear Watson. (in Cryptography)
Posted on 2023-11-25 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5T442444 (in Cryptography)
Posted on 2024-01-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Secret Passages (in Cryptography)
Posted on 2024-09-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Symmetrical Substitution Coding (in Cryptography)
Posted on 2024-11-03 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Reveal the Quote and Find the Author. (in Cryptography)
Posted on 2024-09-15 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Coded Crossword 5 (in Cryptography) Rating: 5.00
Posted on 2024-08-17 by Math Man (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Discover the Quotation (in Cryptography)
Posted on 2024-09-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5M2AL4MO (in Cryptography) Rating: 5.00
Posted on 2024-05-07 by Ady TZIDON (Solution Posted, 3 Comments)
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