All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > Search
Search results for Top Rated Recent Problems :
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: 3.50
Posted on 2002-04-22 by levik (Solution Posted, 21 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: 2.20
Posted on 2002-04-30 by levik (Solution Posted, 2 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, 11 Comments)
Difficulty: 4 of 5Tricky Area (in Logic) Rating: 3.57
Posted on 2002-05-10 by levik (Solution Posted, 10 Comments)
Difficulty: 2 of 5Light bulb (in Logic) Rating: 3.22
Posted on 2002-05-16 by Half-Mad (Solution Posted, 16 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, 14 Comments)
Difficulty: 2 of 5Ties (in Logic) Rating: 1.77
Posted on 2002-05-29 by Half-Mad (Solution Posted, 12 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, 14 Comments)
Difficulty: 2 of 5A better deal (in Logic) Rating: 2.53
Posted on 2002-06-21 by vohonam (Solution Posted, 13 Comments)
Difficulty: 2 of 5Old man - older problem (in Logic) Rating: 3.24
Posted on 2002-06-28 by qball (Solution Posted, 16 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, 42 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, 23 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, 12 Comments)
Difficulty: 3 of 5Calendar Cubes pt 2 (in Logic) Rating: 4.14
Posted on 2002-09-13 by Happy (Solution Posted, 5 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, 27 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, 10 Comments)
Difficulty: 3 of 5Which Game? (in Logic) Rating: 2.83
Posted on 2002-12-31 by cges (Solution Posted, 18 Comments)
Difficulty: 2 of 5The 3 cans (in Logic) Rating: 2.81
Posted on 2003-01-18 by Alan (Solution Posted, 12 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, 12 Comments)
Difficulty: 4 of 5Fathers and Sons (in Logic) Rating: 4.36
Posted on 2003-01-27 by Ravi Raja (Solution Posted, 5 Comments)
Difficulty: 3 of 5How Many Children ? (in Logic) Rating: 2.38
Posted on 2003-01-28 by Ravi Raja (Solution Posted, 13 Comments)
Difficulty: 3 of 5Bank Robbery (in Logic) Rating: 2.53
Posted on 2003-01-29 by Ravi Raja (Solution Posted, 17 Comments)
Difficulty: 3 of 5Puppies (in Logic) Rating: 2.36
Posted on 2003-01-30 by Ravi Raja (Solution Posted, 18 Comments)
Difficulty: 3 of 5So obvious....? (in Logic) Rating: 3.36
Posted on 2003-02-19 by Anoop (Solution Posted, 37 Comments)
Difficulty: 3 of 5Round Table (in Logic) Rating: 1.90
Posted on 2003-05-30 by Ravi Raja (Solution Posted, 10 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, 24 Comments)
Difficulty: 3 of 5The Ten Statements (in Logic) Rating: 3.63
Posted on 2003-02-25 by Ravi Raja (Solution Posted, 61 Comments)
Difficulty: 3 of 5Who Stole the Birdseed? (in Logic) Rating: 3.03
Posted on 2004-10-21 by Captain Paradox (Solution Posted, 132 Comments)
Difficulty: 4 of 5Lotsa statements (in Logic) Rating: 3.40
Posted on 2003-03-03 by Gautam (Solution Posted, 3 Comments)
Difficulty: 4 of 5Around The World (in Logic) Rating: 3.56
Posted on 2003-03-20 by Ravi Raja (Solution Posted, 131 Comments)
Difficulty: 5 of 5The Best Strategy (in Logic) Rating: 4.18
Posted on 2003-03-18 by Ravi Raja (Solution Posted, 46 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, 37 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, 37 Comments)
Difficulty: 3 of 5The Two Logicians (in Logic) Rating: 2.56
Posted on 2003-04-11 by Ravi Raja (Solution Posted, 6 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: 3.00
Posted on 2003-04-28 by Ravi Raja (Solution Posted, 10 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: 2.31
Posted on 2003-05-22 by Ravi Raja (Solution Posted, 27 Comments)
Difficulty: 2 of 5Contest (in Logic) Rating: 2.46
Posted on 2003-07-15 by Ravi Raja (Solution Posted, 20 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, 23 Comments)
Difficulty: 2 of 5Jury selection (in Logic) Rating: 2.50
Posted on 2003-03-13 by levik (Solution Posted, 18 Comments)
Difficulty: 3 of 5Doctor and Engineer (in Logic) Rating: 3.00
Posted on 2003-08-25 by Ravi Raja (Solution Posted, 24 Comments)
Difficulty: 3 of 5The Confusion (in Logic) Rating: 2.73
Posted on 2003-09-02 by Ravi Raja (Solution Posted, 13 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, 52 Comments)
Difficulty: 4 of 5Game Show (in Logic) Rating: 2.46
Posted on 2005-05-01 by Sandeep (Solution Posted, 32 Comments)
Difficulty: 3 of 5Penny Problem (in Logic) Rating: 3.75
Posted on 2003-10-14 by Ravi Raja (Solution Posted, 18 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, 20 Comments)
Difficulty: 3 of 5Murder by Logic (in Logic) Rating: 3.67
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, 20 Comments)
Difficulty: 3 of 5The Plan (in Logic) Rating: 4.30
Posted on 2003-03-21 by Gautam (Solution Posted, 16 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, 43 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, 12 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, 7 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, 32 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, 10 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, 13 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, 14 Comments)
Difficulty: 3 of 5At the Olympic Games (1) (in Logic) Rating: 3.11
Posted on 2003-10-07 by Federico Kereki (Solution Posted, 20 Comments)
Difficulty: 3 of 5At the Olympic Games (2) (in Logic) Rating: 3.00
Posted on 2003-10-09 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Letter Cubes 3 (in Logic) Rating: 4.20
Posted on 2003-08-17 by DJ (Solution Posted, 13 Comments)
Difficulty: 4 of 5Logical Nonsense (in Logic) Rating: 4.21
Posted on 2003-08-26 by DJ (Solution Posted, 13 Comments)
Difficulty: 3 of 5School Shelves (in Logic) Rating: 4.35
Posted on 2003-09-06 by DJ (Solution Posted, 26 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, 35 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, 15 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, 18 Comments)
Difficulty: 3 of 5The Tunnel (in Logic) Rating: 3.54
Posted on 2003-12-16 by Gamer (Solution Posted, 16 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: 3.00
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, 24 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: 3.17
Posted on 2004-04-27 by Jeff (Solution Posted, 15 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: 4.17
Posted on 2004-03-19 by Sandeep (Solution Posted, 30 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, 11 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, 69 Comments)
Difficulty: 2 of 5The soccer results (in Logic) Rating: 3.00
Posted on 2005-06-10 by pcbouhid (Solution Posted, 19 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, 20 Comments)
Difficulty: 3 of 5At the "Oilympic" Games (in Logic) Rating: 3.75
Posted on 2004-03-01 by Federico Kereki (Solution Posted, 16 Comments)
Difficulty: 4 of 5Whodunit Part 1: The Robbery (in Logic) Rating: 3.61
Posted on 2004-07-27 by matt runchey (Solution Posted, 24 Comments)
Difficulty: 2 of 5Pill Puzzler (in Logic) Rating: 2.67
Posted on 2004-04-20 by Popstar Dave (Solution Posted, 27 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, 46 Comments)
Difficulty: 3 of 5Quiz Results (in Logic) Rating: 3.22
Posted on 2004-09-02 by Brian Smith (Solution Posted, 29 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, 13 Comments)
Difficulty: 3 of 5At the Olympic Games (5) (in Logic) Rating: 2.40
Posted on 2004-08-30 by Federico Kereki (Solution Posted, 20 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, 43 Comments)
Difficulty: 3 of 5All Wired Up (in Logic) Rating: 2.75
Posted on 2004-06-30 by Sam (No Solution Yet, 33 Comments)
Difficulty: 4 of 5Logic and Stamps (in Logic) Rating: 2.50
Posted on 2004-07-31 by Brian Smith (Solution Posted, 17 Comments)
Difficulty: 3 of 5The logician's favorite game (in Logic) Rating: 3.25
Posted on 2005-03-18 by Tristan (Solution Posted, 27 Comments)
Difficulty: 2 of 5Guess my Number (in Logic) Rating: 3.76
Posted on 2004-12-20 by Sam (Solution Posted, 32 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, 32 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, 29 Comments)
Difficulty: 3 of 5Prime Perimeter (in Logic) Rating: 2.82
Posted on 2005-03-11 by Erik O. (Solution Posted, 89 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, 14 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, 40 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: 4.50
Posted on 2006-09-27 by Salil (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Fishing Vacation Plans (in Logic) Rating: 3.60
Posted on 2005-04-25 by ron (No Solution Yet, 23 Comments)
Difficulty: 2 of 5Flap, Flep, Flip and Flop (in Logic) Rating: 3.56
Posted on 2005-07-04 by pcbouhid (Solution Posted, 10 Comments)
Difficulty: 2 of 5At the Olympic Games (6) (in Logic) Rating: 2.69
Posted on 2004-09-27 by Federico Kereki (Solution Posted, 47 Comments)
Difficulty: 2 of 5The Remaining Digits (in Logic) Rating: 4.33
Posted on 2005-08-04 by pcbouhid (Solution Posted, 20 Comments)
Difficulty: 3 of 5Five Sentences (in Logic) Rating: 3.23
Posted on 2004-10-12 by Brian Smith (Solution Posted, 33 Comments)
Difficulty: 4 of 5The Midville Muddlers (in Logic) Rating: 3.56
Posted on 2005-04-15 by ron (No Solution Yet, 22 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, 62 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, 48 Comments)
Difficulty: 4 of 5Rectangular Logic (in Logic) Rating: 3.75
Posted on 2005-01-28 by Sam (No Solution Yet, 44 Comments)
Difficulty: 3 of 5Lottery (in Logic) Rating: 3.35
Posted on 2005-01-27 by ayala (Solution Posted, 38 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, 12 Comments)
Difficulty: 2 of 5Secret Code (in Logic) Rating: 2.33
Posted on 2005-03-10 by Sandeep (Solution Posted, 32 Comments)
Difficulty: 3 of 5How old did you say they were? (in Logic) Rating: 3.00
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, 101 Comments)
Difficulty: 3 of 5Criminals Around Table (in Logic) Rating: 3.00
Posted on 2006-07-27 by Yosippavar (No Solution Yet, 8 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, 32 Comments)
Difficulty: 3 of 5Three couples, one problem (in Logic) Rating: 3.69
Posted on 2005-07-25 by Federico Kereki (Solution Posted, 21 Comments)
Difficulty: 3 of 5Black & White Hats 2 (in Logic) Rating: 2.80
Posted on 2006-07-02 by Salil (Solution Posted, 7 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, 30 Comments)
Difficulty: 3 of 5Brothers Karsakov (in Logic) Rating: 3.71
Posted on 2006-02-14 by Vernon Lewis (No Solution Yet, 27 Comments)
Difficulty: 3 of 5Dividing the 'erb. (in Logic) Rating: 4.10
Posted on 2006-01-27 by Sir Percivale (No Solution Yet, 60 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, 44 Comments)
Difficulty: 2 of 5Once a liar, always a liar (in Logic) Rating: 2.93
Posted on 2005-11-02 by pcbouhid (Solution Posted, 26 Comments)
Difficulty: 4 of 5Twins and their mistakes (in Logic) Rating: 4.00
Posted on 2006-04-17 by Salil (Solution Posted, 7 Comments)
Difficulty: 2 of 5Latin Square (in Logic) Rating: 3.50
Posted on 2006-04-04 by Sir Percivale (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Divide into Primes (in Logic) Rating: 3.29
Posted on 2005-09-17 by Charlie (Solution Posted, 12 Comments)
Difficulty: 3 of 5The prisoners and the beans (in Logic) Rating: 3.80
Posted on 2005-11-27 by pcbouhid (Solution Posted, 38 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, 27 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, 8 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, 20 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, 30 Comments)
Difficulty: 4 of 5Who is Elizabeth's Partner (in Logic) Rating: 3.20
Posted on 2006-04-04 by Salil (Solution Posted, 16 Comments)
Difficulty: 5 of 5Pills they had 2 (in Logic)
Posted on 2006-06-13 by Salil (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Christmas Gifts (in Logic) Rating: 4.50
Posted on 2006-09-04 by Salil (Solution Posted, 4 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, 10 Comments)
Difficulty: 2 of 5Chess Strategy (in Logic) Rating: 3.29
Posted on 2006-08-01 by Salil (No Solution Yet, 7 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: 1.67
Posted on 2006-08-20 by Salil (Solution Posted, 18 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, 32 Comments)
Difficulty: 5 of 5Logicians, hats, and numbers (in Logic) Rating: 3.78
Posted on 2006-08-14 by Avin (No Solution Yet, 20 Comments)
Difficulty: 4 of 5Recursive Puzzle (in Logic) Rating: 4.40
Posted on 2006-08-23 by Tristan (Solution Posted, 4 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, 9 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: 4.43
Posted on 2006-10-29 by Josie Faulkner (Solution Posted, 19 Comments)
Difficulty: 3 of 5Top Spin (in Logic) Rating: 4.40
Posted on 2006-10-11 by Josie Faulkner (Solution Posted, 14 Comments)
Difficulty: 2 of 5Four Squared (in Logic) Rating: 4.42
Posted on 2006-10-26 by Josie Faulkner (Solution Posted, 17 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, 22 Comments)
Difficulty: 4 of 5Going Downtown (in Logic) Rating: 4.25
Posted on 2006-11-08 by Gamer (Solution Posted, 7 Comments)
Difficulty: 4 of 5More logicians, hats and numbers (in Logic) Rating: 4.13
Posted on 2006-11-05 by JLo (Solution Posted, 4 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, 10 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: 4.15
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: 2.40
Posted on 2007-02-24 by Vernon Lewis (No Solution Yet, 12 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, 3 Comments)
Difficulty: 4 of 5logic and cones (in Logic) Rating: 3.33
Posted on 2007-03-09 by Assaf (Solution Posted, 2 Comments)
Difficulty: 3 of 5Two Logicians Lockout (in Logic) Rating: 4.00
Posted on 2007-03-13 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 3 of 5What Is The Number? (in Logic) Rating: 3.00
Posted on 2007-03-16 by Brian Smith (Solution Posted, 12 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: 3.00
Posted on 2007-04-01 by brianjn (Solution Posted, 4 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: 4.33
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, 11 Comments)
Difficulty: 3 of 5Rank The Magicians (in Logic) Rating: 2.60
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, 4 Comments)
Difficulty: 4 of 5X Marks the Spot (in Logic) Rating: 4.46
Posted on 2007-05-02 by Josie Faulkner (Solution Posted, 13 Comments)
Difficulty: 4 of 5Three different trails (in Logic) Rating: 3.00
Posted on 2007-05-31 by Assaf (No Solution Yet, 5 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, 8 Comments)
Difficulty: 2 of 5How to pick 'em (in Logic) Rating: 4.00
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, 16 Comments)
Difficulty: 3 of 5On a Grid (in Logic) Rating: 4.00
Posted on 2007-08-08 by Brian Smith (No Solution Yet, 6 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: 4.25
Posted on 2007-08-29 by Brian Smith (No Solution Yet, 10 Comments)
Difficulty: 4 of 5TGIF (in Logic) Rating: 4.00
Posted on 2007-08-31 by Charlie (Solution Posted, 5 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: 3.50
Posted on 2008-01-14 by Josie Faulkner (Solution Posted, 11 Comments)
Difficulty: 4 of 5Six Squared (in Logic) Rating: 4.33
Posted on 2008-01-03 by Josie Faulkner (Solution Posted, 7 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, 19 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: 2.00
Posted on 2008-03-05 by FrankM (Solution Posted, 7 Comments)
Difficulty: 3 of 5Broken Lights Out (in Logic) Rating: 3.00
Posted on 2008-04-07 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Killer-X-tra (in Logic) Rating: 3.50
Posted on 2008-05-27 by Josie Faulkner (No Solution Yet, 19 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, 3 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: 4.33
Posted on 2008-06-19 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 4 of 5Killer-X-tra (2) (in Logic) Rating: 4.75
Posted on 2008-06-20 by Josie Faulkner (No Solution Yet, 16 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: 1.50
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, 7 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, 6 Comments)
Difficulty: 3 of 5Same Degree Vertices (in Logic)
Posted on 2008-08-21 by Bractals (Solution Posted, 1 Comments)
Difficulty: 2 of 5Top four people (in Logic) Rating: 2.50
Posted on 2008-10-18 by pcbouhid (Solution Posted, 3 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: 1.50
Posted on 2008-11-16 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Archaeologist (in Logic)
Posted on 2008-12-05 by brianjn (Solution Posted, 1 Comments)
Difficulty: 3 of 5The Courier (in Logic) Rating: 4.50
Posted on 2008-11-21 by brianjn (No Solution Yet, 9 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, 3 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, 7 Comments)
Difficulty: 2 of 5The 8 cards (in Logic) Rating: 4.50
Posted on 2009-01-31 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 3 of 5Knave's Tour (in Logic)
Posted on 2009-01-23 by rod hines (Solution Posted, 3 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, 3 Comments)
Difficulty: 3 of 5My Wonky CalcuLESS (in Logic)
Posted on 2009-02-18 by rod hines (Solution Posted, 13 Comments)
Difficulty: 2 of 5Sixteen Cards (in Logic)
Posted on 2009-02-27 by Sing4TheDay (Solution Posted, 1 Comments)
Difficulty: 4 of 5King Kong Meets Godzilla (in Logic) Rating: 4.25
Posted on 2009-02-26 by rod hines (Solution Posted, 8 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, 4 Comments)
Difficulty: 3 of 5Five women vacations (in Logic) Rating: 4.00
Posted on 2009-04-11 by pcbouhid (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum more Skyscraper Sudoku (in Logic) Rating: 4.00
Posted on 2009-04-14 by rod hines (Solution Posted, 1 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, 5 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, 3 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: 3.00
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 (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mystery Novel Exchange (in Logic)
Posted on 2009-12-26 by K Sengupta (No Solution Yet, 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)
Posted on 2010-01-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Curious Candidate Concern (in Logic)
Posted on 2010-02-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 2 of 54x4 Grid Logic (in Logic) Rating: 3.00
Posted on 2010-02-25 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5Eleven Contender Competition (in Logic)
Posted on 2010-10-06 by K Sengupta (No Solution Yet, 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)
Posted on 2010-08-10 by Ady TZIDON (Solution Posted, 6 Comments)
Difficulty: 3 of 5bob and alan cross the desert (in Logic) Rating: 3.00
Posted on 2010-05-15 by broll (Solution Posted, 6 Comments)
Difficulty: 2 of 54x4 Grid Logic II (in Logic)
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, 2 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)
Posted on 2014-12-03 by K Sengupta (No Solution Yet, 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, 2 Comments)
Difficulty: 2 of 5Switch Settlement (in Logic)
Posted on 2014-10-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Performance Probe (in Logic)
Posted on 2014-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Philately Ponder (in Logic) Rating: 2.50
Posted on 2014-11-07 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Survival Surmise (in Logic)
Posted on 2014-11-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Seven Age Settlement (in Logic)
Posted on 2014-11-24 by K Sengupta (No Solution Yet, 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 (No Solution Yet, 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 (No Solution Yet, 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)
Posted on 2014-09-19 by K Sengupta (No Solution Yet, 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 (No Solution Yet, 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: 2.00
Posted on 2014-06-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Age Ascertainment V (in Logic) Rating: 1.50
Posted on 2014-06-23 by K Sengupta (No Solution Yet, 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: 2.00
Posted on 2012-09-12 by K Sengupta (No Solution Yet, 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, 1 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: 1.00
Posted on 2014-07-09 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Quiz Quandary III (in Logic) Rating: 3.50
Posted on 2014-07-15 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Date Deduction (in Logic)
Posted on 2014-07-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Extraordinary Characteristics (in Logic)
Posted on 2012-11-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Lawless Lawyer (in Logic) Rating: 3.00
Posted on 2012-11-13 by K Sengupta (No Solution Yet, 4 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)
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)
Posted on 2012-12-25 by K Sengupta (No Solution Yet, 2 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, 2 Comments)
Difficulty: 3 of 5Murder Mix Up (in Logic) Rating: 3.00
Posted on 2013-01-24 by K Sengupta (No Solution Yet, 4 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: 1.00
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)
Posted on 2013-03-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Age Ascertainment III (in Logic)
Posted on 2013-03-19 by K Sengupta (No Solution Yet, 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: 3.00
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 (No Solution Yet, 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)
Posted on 2014-02-19 by K Sengupta (No Solution Yet, 2 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)
Posted on 2013-06-04 by K Sengupta (No Solution Yet, 3 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: 4.00
Posted on 2013-06-12 by K Sengupta (No Solution Yet, 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, 1 Comments)
Difficulty: 1 of 5Truthful days (in Logic)
Posted on 2013-01-31 by Math Man (No Solution Yet, 3 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: 1.50
Posted on 2013-07-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Equal Vision (in Logic)
Posted on 2013-07-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Patchy Problem (in Logic)
Posted on 2013-07-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Day-knights and night-knights 6 (in Logic) Rating: 5.00
Posted on 2013-08-02 by K Sengupta (No Solution Yet, 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)
Posted on 2013-08-19 by K Sengupta (No Solution Yet, 1 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)
Posted on 2013-09-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Safe Combination (in Logic) Rating: 2.00
Posted on 2013-09-09 by K Sengupta (No Solution Yet, 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, 1 Comments)
Difficulty: 3 of 5Quiz Quandary II (in Logic) Rating: 3.00
Posted on 2013-11-29 by K Sengupta (No Solution Yet, 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: 2.50
Posted on 2013-12-06 by K Sengupta (No Solution Yet, 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, 1 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: 3.00
Posted on 2013-10-07 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Serpent Attack (in Logic)
Posted on 2013-10-22 by K Sengupta (No Solution Yet, 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: 3.00
Posted on 2013-11-21 by K Sengupta (No Solution Yet, 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)
Posted on 2014-01-28 by K Sengupta (No Solution Yet, 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: 3.50
Posted on 2013-12-26 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Inference Extraction (in Logic) Rating: 2.00
Posted on 2013-12-31 by K Sengupta (No Solution Yet, 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: 2.00
Posted on 2014-01-10 by K Sengupta (No Solution Yet, 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: 2.00
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, 1 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 (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Chair Cue (in Logic)
Posted on 2014-03-07 by K Sengupta (No Solution Yet, 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)
Posted on 2014-03-18 by K Sengupta (No Solution Yet, 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)
Posted on 2014-04-01 by K Sengupta (No Solution Yet, 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)
Posted on 2014-04-07 by K Sengupta (No Solution Yet, 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)
Posted on 2014-05-02 by K Sengupta (No Solution Yet, 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)
Posted on 2014-05-12 by K Sengupta (No Solution Yet, 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: 3.00
Posted on 2015-03-13 by K Sengupta (No Solution Yet, 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)
Posted on 2015-08-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Cryptajoke IV (in Logic)
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, 2 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, 2 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: 4.50
Posted on 2016-02-16 by K Sengupta (No Solution Yet, 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: 3.50
Posted on 2016-10-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bridge Cross Baffle (in Logic)
Posted on 2016-10-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mismatch Muse (in Logic)
Posted on 2016-10-18 by K Sengupta (No Solution Yet, 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, 1 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, 8 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: 3.75
Posted on 2017-04-09 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5One more line (in Logic)
Posted on 2017-05-10 by Ady TZIDON (Solution Posted, 4 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, 4 Comments)
Difficulty: 3 of 5Off and On (in Logic) Rating: 3.00
Posted on 2017-01-29 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Dirichlet sends his regards (in Logic) Rating: 3.00
Posted on 2017-05-12 by Ady TZIDON (No Solution Yet, 4 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, 1 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, 2 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, 2 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, 3 Comments)
Difficulty: 3 of 5Logic or madness? (in Logic)
Posted on 2018-12-04 by Ady TZIDON (Solution Posted, 5 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, 0 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, 2 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, 1 Comments)
Difficulty: 2 of 5Number Donuts (in Logic)
Posted on 2019-04-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Numbers by Paint (in Logic) Rating: 4.00
Posted on 2019-04-23 by Charlie (Solution Posted, 2 Comments)
Difficulty: 1 of 5Missing letter (in Logic)
Posted on 2019-05-01 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Chemical deduction (in Logic) Rating: 5.00
Posted on 2019-05-13 by Danish Ahmed Khan (No Solution Yet, 7 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)
Posted on 2019-07-29 by Danish Ahmed Khan (No Solution Yet, 1 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, 6 Comments)
Difficulty: 2 of 5A's, B's, C's and D's 3 (in Logic)
Posted on 2019-09-14 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5ABC (in Logic) Rating: 3.00
Posted on 2019-12-02 by Charlie (Solution Posted, 2 Comments)
Difficulty: 2 of 5Numbered Balls in Test Tubes (in Logic)
Posted on 2020-01-06 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Find the Holes (in Logic)
Posted on 2020-01-15 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5PYHIYP #3: 8 given, 1 missing (in Logic) Rating: 2.00
Posted on 2020-02-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5PYHIYP #4 (in Logic)
Posted on 2020-02-10 by Ady TZIDON (Solution Posted, 1 Comments)
Difficulty: 3 of 5Skyscrapers 2 (in Logic)
Posted on 2020-01-27 by Charlie (Solution Posted, 4 Comments)
Difficulty: 2 of 5Set-Free (in Logic) Rating: 2.00
Posted on 2020-01-20 by Charlie (Solution Posted, 1 Comments)
Difficulty: 3 of 5Pick a box! (in Probability) Rating: 4.29
Posted on 2002-03-28 by levik (Solution Posted, 40 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: 4.50
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, 36 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, 5 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, 53 Comments)
Difficulty: 5 of 5Bascule's Book (in Probability) Rating: 2.75
Posted on 2002-07-03 by Cheradenine (Solution Posted, 40 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, 16 Comments)
Difficulty: 4 of 5Red ball... Red ball (in Probability) Rating: 3.15
Posted on 2002-10-17 by levik (Solution Posted, 15 Comments)
Difficulty: 3 of 5World Series (in Probability) Rating: 3.57
Posted on 2002-10-30 by Jim Lyon (Solution Posted, 5 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, 14 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: 3.67
Posted on 2003-02-12 by Alan (Solution Posted, 10 Comments)
Difficulty: 5 of 5Dice Proposition (in Probability) Rating: 4.20
Posted on 2003-02-22 by Charlie (Solution Posted, 5 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, 22 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, 5 Comments)
Difficulty: 3 of 5Roots Of The Equation (in Probability) Rating: 2.67
Posted on 2003-08-20 by Ravi Raja (Solution Posted, 16 Comments)
Difficulty: 5 of 5I've a broken stick (in Probability) Rating: 3.60
Posted on 2003-12-07 by SilverKnight (No Solution Yet, 26 Comments)
Difficulty: 4 of 5The Last Baby (in Probability) Rating: 2.78
Posted on 2003-10-08 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 4 of 5Same Name (in Probability) Rating: 3.67
Posted on 2003-10-11 by Ravi Raja (Solution Posted, 6 Comments)
Difficulty: 3 of 5Playing With Marbles (in Probability) Rating: 3.00
Posted on 2003-10-13 by Ravi Raja (Solution Posted, 22 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, 20 Comments)
Difficulty: 3 of 5Craps (in Probability) Rating: 3.50
Posted on 2003-04-18 by Charlie (Solution Posted, 18 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: 4.33
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, 22 Comments)
Difficulty: 4 of 5A smart prisoner? (in Probability) Rating: 4.00
Posted on 2004-01-08 by SilverKnight (No Solution Yet, 22 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, 10 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, 20 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: 4.29
Posted on 2003-12-26 by DJ (Solution Posted, 12 Comments)
Difficulty: 4 of 5That's a Load of Craps! (in Probability) Rating: 4.42
Posted on 2003-10-22 by DJ (No Solution Yet, 12 Comments)
Difficulty: 3 of 55, 6, Pick Up Sticks (in Probability) Rating: 3.86
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, 25 Comments)
Difficulty: 3 of 5How often does he lie? (in Probability) Rating: 2.50
Posted on 2004-07-02 by Federico Kereki (Solution Posted, 6 Comments)
Difficulty: 2 of 5Two Packs Of Cards (in Probability) Rating: 3.86
Posted on 2004-02-05 by Ravi Raja (Solution Posted, 14 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: 3.60
Posted on 2004-07-29 by Federico Kereki (Solution Posted, 9 Comments)
Difficulty: 4 of 5The Random Problem (in Probability) Rating: 4.14
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, 5 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, 11 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: 4.00
Posted on 2004-07-08 by Federico Kereki (Solution Posted, 9 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: 4.00
Posted on 2004-07-01 by SilverKnight (No Solution Yet, 14 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, 26 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, 20 Comments)
Difficulty: 3 of 5Renumbered Dice (in Probability) Rating: 3.17
Posted on 2004-07-20 by Brian Smith (Solution Posted, 6 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, 4 Comments)
Difficulty: 4 of 5Rumor Mill (in Probability) Rating: 4.00
Posted on 2004-12-03 by SilverKnight (No Solution Yet, 13 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: 3.75
Posted on 2005-01-14 by Federico Kereki (Solution Posted, 13 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: 3.67
Posted on 2004-10-04 by Old Original Oskar! (Solution Posted, 10 Comments)
Difficulty: 3 of 5Are you ill? (in Probability) Rating: 3.75
Posted on 2005-01-03 by e.g. (Solution Posted, 18 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, 8 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, 23 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, 16 Comments)
Difficulty: 3 of 5A Printing Machine Problem (in Probability) Rating: 3.00
Posted on 2006-07-19 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Pair Playing Probability (in Probability) Rating: 3.00
Posted on 2005-08-02 by Old Original Oskar! (Solution Posted, 31 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: 3.50
Posted on 2005-11-24 by Old Original Oskar! (Solution Posted, 5 Comments)
Difficulty: 5 of 5Riffling Chance (in Probability) Rating: 4.33
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, 8 Comments)
Difficulty: 3 of 5Happy Birthday (3) (in Probability) Rating: 4.00
Posted on 2006-06-09 by Sir Percivale (No Solution Yet, 12 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, 14 Comments)
Difficulty: 3 of 5Figuring a wonky die (in Probability) Rating: 3.00
Posted on 2006-04-24 by Jer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Marbles in a Jar (in Probability) Rating: 3.40
Posted on 2006-05-18 by tomarken (Solution Posted, 10 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, 13 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, 7 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, 1 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, 5 Comments)
Difficulty: 2 of 5Custom Dice (in Probability) Rating: 4.00
Posted on 2006-11-16 by TamTam (No Solution Yet, 5 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, 4 Comments)
Difficulty: 2 of 5Six hundred coins (in Probability) Rating: 4.50
Posted on 2006-12-22 by Tristan (Solution Posted, 12 Comments)
Difficulty: 3 of 5Fatal Guess (in Probability) Rating: 3.71
Posted on 2007-01-29 by atheron (No Solution Yet, 14 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)
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, 2 Comments)
Difficulty: 3 of 5Paint it black II (in Probability)
Posted on 2007-04-17 by Dej Mar (Solution Posted, 2 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, 1 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, 11 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: 1.00
Posted on 2008-02-18 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Three Points in a Square (in Probability) Rating: 3.20
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 (No Solution Yet, 37 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, 10 Comments)
Difficulty: 3 of 5Password in an ATM (in Probability) Rating: 3.00
Posted on 2008-08-11 by pcbouhid (Solution Posted, 2 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, 13 Comments)
Difficulty: 1 of 525 balls (in Probability)
Posted on 2008-09-25 by pcbouhid (Solution Posted, 7 Comments)
Difficulty: 2 of 5Balls in an urn (in Probability) Rating: 3.50
Posted on 2008-11-11 by pcbouhid (Solution Posted, 4 Comments)
Difficulty: 3 of 5Freecell Addiction (in Probability)
Posted on 2008-10-26 by Leming (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Weird Walk (in Probability) Rating: 4.50
Posted on 2009-01-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Finding the Knight (in Probability)
Posted on 2009-01-06 by Praneeth (Solution Posted, 1 Comments)
Difficulty: 3 of 5Winning the Competition (in Probability) Rating: 4.00
Posted on 2009-01-25 by Praneeth (Solution Posted, 3 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: 4.00
Posted on 2009-10-06 by K Sengupta (No Solution Yet, 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)
Posted on 2009-08-28 by Jer (Solution Posted, 1 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)
Posted on 2010-03-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 53x3 Grid Near Magic (in Probability)
Posted on 2009-12-05 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Fair Fairy Fare (in Probability) Rating: 3.00
Posted on 2009-12-10 by K Sengupta (No Solution Yet, 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)
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: 1.00
Posted on 2010-01-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Probable Near Pandigital Poser (in Probability)
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, 4 Comments)
Difficulty: 3 of 55^13 as product of 3 numbers (in Probability)
Posted on 2009-11-22 by Vishal Gupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Sum Digit Concern (in Probability) Rating: 3.00
Posted on 2010-03-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Probable Near Pandigital Poser II (in Probability)
Posted on 2010-06-19 by K Sengupta (No Solution Yet, 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: 2.00
Posted on 2010-04-07 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Twelve Divisor Trial (in Probability) Rating: 3.00
Posted on 2010-04-09 by K Sengupta (No Solution Yet, 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: 2.00
Posted on 2010-05-14 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Known and Unknown Balls (in Probability)
Posted on 2010-05-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cubic and Consecutive Concern II (in Probability) Rating: 3.50
Posted on 2010-05-31 by K Sengupta (No Solution Yet, 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: 2.00
Posted on 2010-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Hill Numbers Settlement (in Probability) Rating: 1.67
Posted on 2010-07-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5All the colors in (in Probability) Rating: 5.00
Posted on 2010-04-26 by Ady TZIDON (Solution Posted, 21 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 (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Distinct Digit Determination (in Probability)
Posted on 2010-10-31 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Smokey's Smokes (in Probability)
Posted on 2010-06-03 by John zadeh (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Russian Roulette (in Probability) Rating: 4.00
Posted on 2010-06-08 by John zadeh (No Solution Yet, 12 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, 1 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)
Posted on 2011-01-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Never prime! (3) (in Probability)
Posted on 2011-02-25 by K Sengupta (No Solution Yet, 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)
Posted on 2010-12-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Lost package (in Probability) Rating: 3.00
Posted on 2010-10-28 by Vishal Gupta (No Solution Yet, 7 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)
Posted on 2011-03-09 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Powerful Couple (in Probability)
Posted on 2011-03-16 by K Sengupta (No Solution Yet, 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)
Posted on 2011-07-19 by K Sengupta (No Solution Yet, 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, 4 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)
Posted on 2014-12-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 52014 Prime Treat (in Probability)
Posted on 2014-12-22 by K Sengupta (No Solution Yet, 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)
Posted on 2014-11-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Supreme Red Sox Surmise (in Probability)
Posted on 2014-11-06 by K Sengupta (No Solution Yet, 2 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: 3.00
Posted on 2014-10-06 by K Sengupta (No Solution Yet, 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)
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)
Posted on 2014-09-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5My phone is 2543663 (in Probability) Rating: 3.50
Posted on 2014-04-15 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Roy G Biv (in Probability)
Posted on 2014-09-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Segment Section Settlement (in Probability) Rating: 5.00
Posted on 2014-08-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Playing With Marbles II (in Probability)
Posted on 2014-08-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Box of Chocolates (in Probability) Rating: 4.00
Posted on 2012-03-02 by Charlie (Solution Posted, 2 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)
Posted on 2014-08-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pair Ponder (in Probability)
Posted on 2014-08-07 by K Sengupta (No Solution Yet, 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, 1 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)
Posted on 2013-03-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Winning Chance (in Probability)
Posted on 2013-04-24 by K Sengupta (No Solution Yet, 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: 3.00
Posted on 2013-07-16 by K Sengupta (No Solution Yet, 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)
Posted on 2013-08-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Walking the Blank (in Probability) Rating: 3.50
Posted on 2013-08-19 by K Sengupta (No Solution Yet, 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)
Posted on 2014-05-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Three Digit Travail (in Probability)
Posted on 2014-12-26 by K Sengupta (No Solution Yet, 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)
Posted on 2015-10-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Digit Product Puzzle (in Probability)
Posted on 2015-09-03 by K Sengupta (No Solution Yet, 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)
Posted on 2016-07-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pentagon and Acute Probability (in Probability)
Posted on 2016-08-02 by K Sengupta (No Solution Yet, 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 (No Solution Yet, 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, 2 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, 1 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)
Posted on 2016-08-24 by K Sengupta (No Solution Yet, 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)
Posted on 2016-09-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Unbiased and Biased Choice (in Probability)
Posted on 2016-09-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real roots from three dice (in Probability)
Posted on 2016-09-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Nonnegative Sum Nuance (in Probability)
Posted on 2016-09-23 by K Sengupta (No Solution Yet, 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: 3.00
Posted on 2017-02-14 by Ady TZIDON (No Solution Yet, 8 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 (No Solution Yet, 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, 2 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, 1 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: 5.00
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 (No Solution Yet, 1 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, 2 Comments)
Difficulty: 3 of 5Find the rainbow (in Probability)
Posted on 2019-06-13 by Danish Ahmed Khan (No Solution Yet, 1 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)
Posted on 2019-08-20 by Danish Ahmed Khan (No Solution Yet, 1 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: 1.00
Posted on 2019-11-06 by Jer (Solution Posted, 2 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, 2 Comments)
Difficulty: 2 of 5Make four equilateral triangles (in Shapes) Rating: 2.60
Posted on 2002-03-28 by levik (Solution Posted, 9 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, 24 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, 15 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: 3.75
Posted on 2002-05-29 by Half-Mad (Solution Posted, 9 Comments)
Difficulty: 3 of 5Wood (in Shapes) Rating: 3.00
Posted on 2002-05-29 by Half-Mad (Solution Posted, 8 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, 19 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, 18 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, 16 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, 12 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, 4 Comments)
Difficulty: 3 of 5Making Dice, Part 2 (in Shapes) Rating: 3.75
Posted on 2003-04-17 by Bryan (Solution Posted, 9 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, 8 Comments)
Difficulty: 3 of 53 colors (in Shapes) Rating: 4.10
Posted on 2003-05-01 by Jonathan Waltz (Solution Posted, 27 Comments)
Difficulty: 4 of 5Four Tangent Circles (in Shapes) Rating: 4.14
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, 6 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: 2.33
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, 12 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, 26 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, 15 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: 3.67
Posted on 2004-12-02 by Juggler (No Solution Yet, 5 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, 8 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, 17 Comments)
Difficulty: 2 of 5Tent folding (in Shapes) Rating: 3.00
Posted on 2004-12-30 by Tristan (Solution Posted, 7 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, 12 Comments)
Difficulty: 2 of 5Circular Fun (in Shapes) Rating: 3.29
Posted on 2005-07-28 by Justin (Solution Posted, 18 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, 17 Comments)
Difficulty: 3 of 5A Tighter Fit (in Shapes) Rating: 2.00
Posted on 2004-07-29 by Brian Smith (Solution Posted, 19 Comments)
Difficulty: 2 of 5Jack's Ladder (in Shapes) Rating: 2.67
Posted on 2004-07-27 by Brian Smith (Solution Posted, 22 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, 8 Comments)
Difficulty: 3 of 5Different Dot Domains Division (in Shapes) Rating: 3.00
Posted on 2005-03-08 by Old Original Oskar! (Solution Posted, 4 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, 4 Comments)
Difficulty: 2 of 5Equiangular Hexagons (in Shapes) Rating: 3.40
Posted on 2004-10-15 by Brian Smith (Solution Posted, 8 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, 17 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, 4 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, 34 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, 10 Comments)
Difficulty: 3 of 5Bat wings (in Shapes) Rating: 4.33
Posted on 2005-06-08 by McWorter (Solution Posted, 13 Comments)
Difficulty: 3 of 5Splitting Heirs (in Shapes) Rating: 3.75
Posted on 2005-06-15 by Bryan (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Perplexus Icon plus one (in Shapes) Rating: 4.50
Posted on 2005-06-18 by Leming (Solution Posted, 12 Comments)
Difficulty: 2 of 5Square Rotation (in Shapes) Rating: 2.20
Posted on 2005-07-02 by Erik O. (Solution Posted, 4 Comments)
Difficulty: 2 of 5Count the ways... (in Shapes) Rating: 4.00
Posted on 2005-10-28 by Tristan (Solution Posted, 6 Comments)
Difficulty: 1 of 5Inverting Triangles (in Shapes) Rating: 2.14
Posted on 2005-08-15 by Erik O. (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Solid triangles (in Shapes) Rating: 3.00
Posted on 2005-08-26 by Tristan (Solution Posted, 9 Comments)
Difficulty: 2 of 5100 squares (in Shapes) Rating: 4.00
Posted on 2006-04-30 by Jer (Solution Posted, 6 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, 20 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, 5 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)
Posted on 2005-12-12 by Brian Smith (Solution Posted, 5 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, 8 Comments)
Difficulty: 4 of 5Cross cut (in Shapes) Rating: 3.25
Posted on 2006-03-06 by Sir Percivale (No Solution Yet, 18 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, 4 Comments)
Difficulty: 4 of 5Arrow dice 2 (in Shapes) Rating: 4.50
Posted on 2006-04-06 by Tristan (Solution Posted, 8 Comments)
Difficulty: 4 of 5D on its side (in Shapes) Rating: 4.33
Posted on 2006-01-16 by Jer (Solution Posted, 13 Comments)
Difficulty: 1 of 5Square = half itself? (in Shapes) Rating: 3.00
Posted on 2006-05-04 by Jer (Solution Posted, 19 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, 9 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, 5 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, 23 Comments)
Difficulty: 3 of 5Pythagorean Chain (in Shapes) Rating: 3.50
Posted on 2006-03-20 by Jer (Solution Posted, 18 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)
Posted on 2006-04-20 by Jer (No Solution Yet, 7 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, 11 Comments)
Difficulty: 3 of 53D Engineering problem (in Shapes) Rating: 4.00
Posted on 2006-08-02 by Salil (No Solution Yet, 16 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, 7 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, 16 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, 7 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, 11 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, 2 Comments)
Difficulty: 3 of 5The Day of the Locus (in Shapes) Rating: 4.00
Posted on 2006-12-07 by Larry (Solution Posted, 2 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, 4 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, 3 Comments)
Difficulty: 4 of 5TetraCubes (in Shapes) Rating: 4.00
Posted on 2007-05-08 by brianjn (Solution Posted, 2 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, 4 Comments)
Difficulty: 3 of 5Well Balanced Letter: V (in Shapes) Rating: 4.00
Posted on 2007-05-07 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Well Balanced Letter: C (in Shapes) Rating: 2.00
Posted on 2007-05-10 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Well Balanced Letter: F (in Shapes) Rating: 4.00
Posted on 2007-05-16 by Jer (No Solution Yet, 7 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, 10 Comments)
Difficulty: 3 of 5Equilateral Triangle 123 (in Shapes) Rating: 4.00
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, 8 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: 3.00
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, 3 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, 3 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, 2 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, 3 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)
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: 1.00
Posted on 2010-03-21 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Sliced Cube = Square Pyramid (in Shapes) Rating: 2.00
Posted on 2010-06-02 by K Sengupta (No Solution Yet, 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, 0 Comments)
Difficulty: 3 of 5Tiled Loop (in Shapes) Rating: 4.00
Posted on 2010-11-05 by brianjn (No Solution Yet, 4 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, 5 Comments)
Difficulty: 3 of 5Triangle Area Trial (in Shapes) Rating: 5.00
Posted on 2014-12-07 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Extreme Ellipse Exercise (in Shapes)
Posted on 2014-12-13 by K Sengupta (No Solution Yet, 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)
Posted on 2014-11-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Area Ascertainment II (in Shapes) Rating: 4.00
Posted on 2014-10-24 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Inscribed Pentagon Illation (in Shapes)
Posted on 2014-11-01 by K Sengupta (No Solution Yet, 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)
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)
Posted on 2014-09-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Square Cut (in Shapes)
Posted on 2014-08-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tetrahedra Trial (in Shapes)
Posted on 2014-08-27 by K Sengupta (No Solution Yet, 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)
Posted on 2014-05-29 by K Sengupta (No Solution Yet, 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)
Posted on 2014-06-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5RMS Resolution (in Shapes)
Posted on 2014-06-17 by K Sengupta (No Solution Yet, 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)
Posted on 2015-02-25 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Tiling Trial II (in Shapes)
Posted on 2014-08-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Line Division (in Shapes)
Posted on 2014-08-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric and Arithmetic Area (in Shapes) Rating: 4.00
Posted on 2014-08-15 by K Sengupta (No Solution Yet, 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)
Posted on 2014-07-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cinq Confusion (in Shapes)
Posted on 2014-07-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Heptadecagon Hinder (in Shapes)
Posted on 2014-07-13 by K Sengupta (No Solution Yet, 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)
Posted on 2014-07-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Covering an Ellipse (in Shapes)
Posted on 2014-07-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Triangle Texture (in Shapes)
Posted on 2014-07-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square Squares Settlement (in Shapes)
Posted on 2014-07-30 by K Sengupta (No Solution Yet, 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, 3 Comments)
Difficulty: 3 of 5Skewed Area (in Shapes)
Posted on 2012-11-19 by Danish Ahmed Khan (No Solution Yet, 1 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, 8 Comments)
Difficulty: 3 of 5Cans in a cooler (in Shapes)
Posted on 2013-02-11 by Jer (Solution Posted, 3 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)
Posted on 2014-04-01 by K Sengupta (No Solution Yet, 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: 4.00
Posted on 2014-04-25 by K Sengupta (No Solution Yet, 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: 2.00
Posted on 2014-05-06 by K Sengupta (No Solution Yet, 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)
Posted on 2015-01-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Volume Ratio Validation (in Shapes)
Posted on 2015-01-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Total Triplet Treat (in Shapes)
Posted on 2015-02-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Line Ratio Resolution (in Shapes) Rating: 5.00
Posted on 2015-03-04 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Isosceles Crease (in Shapes)
Posted on 2015-03-19 by K Sengupta (No Solution Yet, 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)
Posted on 2015-04-18 by K Sengupta (No Solution Yet, 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)
Posted on 2015-04-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Triangle Trial (in Shapes)
Posted on 2015-04-14 by K Sengupta (No Solution Yet, 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)
Posted on 2015-08-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cuboid Concern (in Shapes)
Posted on 2015-05-21 by K Sengupta (No Solution Yet, 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)
Posted on 2015-06-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Harmonic mean and constant determination puzzle (in Shapes) Rating: 4.00
Posted on 2015-06-13 by K Sengupta (No Solution Yet, 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)
Posted on 2015-07-26 by K Sengupta (No Solution Yet, 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)
Posted on 2015-09-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 2 (in Shapes)
Posted on 2015-09-26 by K Sengupta (No Solution Yet, 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, 4 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)
Posted on 2016-07-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cos Case Concern (in Shapes)
Posted on 2015-12-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Distinct Triangle Determination (in Shapes)
Posted on 2015-12-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Equiangular Hexagon Query (in Shapes)
Posted on 2015-12-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pentagon and Reflection Poser (in Shapes)
Posted on 2015-12-22 by K Sengupta (No Solution Yet, 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)
Posted on 2016-01-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tan Settlement (in Shapes)
Posted on 2016-01-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sine in a Circle (in Shapes)
Posted on 2016-01-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Area from Altitude (in Shapes)
Posted on 2016-01-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hypotenuse from Cone (in Shapes)
Posted on 2016-01-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hexagon Hinder (in Shapes)
Posted on 2016-02-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two Square Settlement (in Shapes)
Posted on 2016-02-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Trapezoid Length Trial (in Shapes)
Posted on 2016-02-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cheese Cut Conclusion (in Shapes)
Posted on 2016-02-23 by K Sengupta (No Solution Yet, 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)
Posted on 2016-08-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Circle Cover Conclusion (in Shapes)
Posted on 2016-07-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tetrahedron Volume Travail (in Shapes)
Posted on 2016-03-12 by K Sengupta (No Solution Yet, 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)
Posted on 2016-04-07 by K Sengupta (No Solution Yet, 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)
Posted on 2016-04-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hexagon Hinder 2 (in Shapes) Rating: 4.00
Posted on 2016-05-06 by K Sengupta (No Solution Yet, 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)
Posted on 2016-05-23 by K Sengupta (No Solution Yet, 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)
Posted on 2016-06-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum Segment Length (in Shapes)
Posted on 2016-06-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Covering a Square (in Shapes)
Posted on 2016-06-24 by K Sengupta (No Solution Yet, 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)
Posted on 2016-07-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Two Digit Diameter Trial (in Shapes)
Posted on 2016-07-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cube Count Calculation (in Shapes)
Posted on 2016-07-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Equilateral Exercise (in Shapes)
Posted on 2016-07-15 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle Cover Treat (in Shapes)
Posted on 2016-07-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Triangle Area and Integer Finding (in Shapes)
Posted on 2016-07-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Table Partition Trial (in Shapes)
Posted on 2016-07-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Square in a Cone (in Shapes)
Posted on 2016-07-29 by K Sengupta (No Solution Yet, 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 (No Solution Yet, 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)
Posted on 2016-09-28 by K Sengupta (No Solution Yet, 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 (No Solution Yet, 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 (No Solution Yet, 3 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, 2 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, 1 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, 4 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, 3 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)
Posted on 2019-08-25 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 3 of 5The Five Touching Spheres 2 (in Shapes)
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: 5.00
Posted on 2019-09-13 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Heptagonal Triangle (in Shapes)
Posted on 2019-12-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Reflection Triangle (in Shapes)
Posted on 2020-01-24 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Three Squares make a Triangle (in Shapes)
Posted on 2019-12-23 by Larry (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Four people on a bridge. (in General) Rating: 3.69
Posted on 2002-04-14 by levik (Solution Posted, 14 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, 18 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, 15 Comments)
Difficulty: 2 of 5A pyramid of balls (in General) Rating: 2.83
Posted on 2002-08-02 by levik (Solution Posted, 5 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, 25 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: 3.67
Posted on 2002-11-26 by Happy (Solution Posted, 10 Comments)
Difficulty: 3 of 5Airport race (in General) Rating: 3.56
Posted on 2002-12-05 by levik (Solution Posted, 9 Comments)
Difficulty: 2 of 5Meet me at the lake (in General) Rating: 2.85
Posted on 2002-12-29 by pleasance (Solution Posted, 13 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, 6 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, 4 Comments)
Difficulty: 3 of 5Kings and Queens (in General) Rating: 2.78
Posted on 2003-01-30 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 3 of 5Book Worms (in General) Rating: 2.78
Posted on 2003-02-01 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 2 of 5Three Playing Cards (in General) Rating: 2.44
Posted on 2003-02-26 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 2 of 5Family Problem (in General) Rating: 2.71
Posted on 2003-02-03 by Ravi Raja (Solution Posted, 11 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, 8 Comments)
Difficulty: 4 of 5The flooble question (in General) Rating: 4.00
Posted on 2003-02-18 by Alan (Solution Posted, 51 Comments)
Difficulty: 3 of 5Harder Puzzle (in General) Rating: 3.00
Posted on 2003-02-21 by Gautam (Solution Posted, 9 Comments)
Difficulty: 1 of 5Flowers (in General) Rating: 2.92
Posted on 2003-03-01 by Ravi Raja (Solution Posted, 19 Comments)
Difficulty: 2 of 5Time For Breakfast (in General) Rating: 2.73
Posted on 2003-03-03 by Ravi Raja (Solution Posted, 22 Comments)
Difficulty: 3 of 5The Reindeers (in General) Rating: 2.38
Posted on 2003-04-07 by Ravi Raja (Solution Posted, 20 Comments)
Difficulty: 2 of 5Numbers And Words (in General) Rating: 2.29
Posted on 2003-04-23 by Ravi Raja (Solution Posted, 22 Comments)
Difficulty: 2 of 5Hearts And Spades (in General) Rating: 2.67
Posted on 2003-05-14 by Ravi Raja (Solution Posted, 29 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: 3.17
Posted on 2004-04-01 by Gamer (Solution Posted, 7 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: 1.47
Posted on 2003-07-23 by Ravi Raja (Solution Posted, 21 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, 11 Comments)
Difficulty: 2 of 5The glass balls (in General) Rating: 4.00
Posted on 2004-01-30 by Gamer (Solution Posted, 5 Comments)
Difficulty: 3 of 5Six boxes (in General) Rating: 2.00
Posted on 2003-08-14 by Ravi Raja (Solution Posted, 10 Comments)
Difficulty: 2 of 5Bird Watching (in General) Rating: 2.33
Posted on 2003-08-30 by Ravi Raja (Solution Posted, 8 Comments)
Difficulty: 3 of 5A group of letters (in General) Rating: 3.78
Posted on 2003-11-01 by Popstar Dave (Solution Posted, 6 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, 26 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, 34 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, 12 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, 18 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, 26 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, 11 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, 10 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, 10 Comments)
Difficulty: 3 of 5Horse Race (in General) Rating: 2.22
Posted on 2004-01-19 by Ravi Raja (Solution Posted, 20 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, 3 Comments)
Difficulty: 1 of 5The Cannibals (in General) Rating: 1.29
Posted on 2004-02-04 by Ravi Raja (Solution Posted, 14 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, 23 Comments)
Difficulty: 3 of 5Counting Sheep (in General) Rating: 3.67
Posted on 2004-01-05 by DJ (Solution Posted, 6 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, 5 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, 15 Comments)
Difficulty: 3 of 5Don't Talk About Yourself (in General) Rating: 3.78
Posted on 2004-02-01 by DJ (Solution Posted, 14 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: 4.40
Posted on 2004-02-03 by DJ (Solution Posted, 21 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, 15 Comments)
Difficulty: 3 of 5Moving Quarters (in General) Rating: 3.00
Posted on 2004-03-26 by Gamer (Solution Posted, 23 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, 5 Comments)
Difficulty: 5 of 5The Conversing Club 3 (in General) Rating: 4.57
Posted on 2004-03-28 by Gamer (No Solution Yet, 62 Comments)
Difficulty: 3 of 5Cheap Charlie (in General) Rating: 1.67
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: 4.25
Posted on 2004-05-21 by Gamer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Prime clock (in General) Rating: 3.75
Posted on 2004-08-01 by Federico Kereki (Solution Posted, 16 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, 13 Comments)
Difficulty: 4 of 5Primal Magic Square (in General) Rating: 3.00
Posted on 2004-03-09 by SilverKnight (Solution Posted, 15 Comments)
Difficulty: 2 of 5Make a STATEment! (in General) Rating: 2.00
Posted on 2004-03-23 by SilverKnight (Solution Posted, 12 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, 11 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, 10 Comments)
Difficulty: 3 of 5No Safety from the Queen (in General) Rating: 3.00
Posted on 2004-09-23 by logischer Verstand (Solution Posted, 13 Comments)
Difficulty: 2 of 5Particle Acceleration (in General) Rating: 2.33
Posted on 2004-05-06 by SilverKnight (No Solution Yet, 24 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, 12 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, 14 Comments)
Difficulty: 3 of 5Fill in the blanks (2) (in General) Rating: 3.33
Posted on 2004-09-28 by SilverKnight (Solution Posted, 13 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, 4 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, 7 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, 8 Comments)
Difficulty: 1 of 5My Many Friends (in General) Rating: 3.64
Posted on 2004-10-05 by Billy Bob (Solution Posted, 9 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, 3 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: 3.67
Posted on 2004-11-01 by Tristan (Solution Posted, 20 Comments)
Difficulty: 2 of 5The test of the suits (in General) Rating: 2.50
Posted on 2005-06-07 by pcbouhid (Solution Posted, 15 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: 3.29
Posted on 2005-04-08 by Tristan (Solution Posted, 8 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, 14 Comments)
Difficulty: 3 of 5String length differences (in General) Rating: 4.00
Posted on 2005-02-15 by Jer (Solution Posted, 4 Comments)
Difficulty: 3 of 5Tackle These Three Tests (in General) Rating: 2.50
Posted on 2005-08-07 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 2 of 5Pegless Painting Plummets! (in General) Rating: 4.00
Posted on 2005-03-29 by Old Original Oskar! (Solution Posted, 19 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, 6 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, 11 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: 3.50
Posted on 2006-08-11 by e.g. (Solution Posted, 6 Comments)
Difficulty: 1 of 5Nine from Eleven (in General) Rating: 3.00
Posted on 2005-09-11 by Lisa (Solution Posted, 26 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, 15 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, 11 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, 11 Comments)
Difficulty: 3 of 5No Incest, Please (in General) Rating: 3.60
Posted on 2005-07-18 by Erik O. (No Solution Yet, 13 Comments)
Difficulty: 1 of 5Yeah, yeah, yeah -- aye? (in General) Rating: 2.50
Posted on 2005-06-29 by e.g. (Solution Posted, 7 Comments)
Difficulty: 3 of 5Circumferential distances (in General) Rating: 3.50
Posted on 2006-05-21 by Jer (Solution Posted, 2 Comments)
Difficulty: 3 of 5Something in common (in General) Rating: 2.00
Posted on 2006-01-11 by Gamer (Solution Posted, 5 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, 22 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: 2.25
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, 18 Comments)
Difficulty: 3 of 5A Prime Time And Square Time Problem (in General) Rating: 3.00
Posted on 2006-03-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 2 of 5A Time And Work Problem (in General) Rating: 3.00
Posted on 2006-06-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 1 of 5A Fruity Kind of Problem (in General) Rating: 3.00
Posted on 2005-08-10 by Erik O. (Solution Posted, 15 Comments)
Difficulty: 1 of 5How Long 'til Morning? (in General) Rating: 2.50
Posted on 2005-08-09 by Erik O. (Solution Posted, 20 Comments)
Difficulty: 2 of 5Placing 20 pieces (in General) Rating: 2.00
Posted on 2006-01-14 by pcbouhid (Solution Posted, 4 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: 3.90
Posted on 2005-09-07 by Bryan (Solution Posted, 14 Comments)
Difficulty: 3 of 5Circular Jogging Track Problem (in General)
Posted on 2006-04-12 by Salil (Solution Posted, 9 Comments)
Difficulty: 1 of 5A tribute to Clarice (in General) Rating: 4.10
Posted on 2005-09-08 by pcbouhid (Solution Posted, 21 Comments)
Difficulty: 2 of 5Star of David (in General) Rating: 4.00
Posted on 2005-09-20 by pcbouhid (Solution Posted, 10 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: 4.50
Posted on 2006-04-27 by Gamer (Solution Posted, 6 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: 2.50
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, 2 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, 7 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, 5 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: 2.17
Posted on 2005-10-11 by Old Original Oskar! (Solution Posted, 7 Comments)
Difficulty: 3 of 5Play it again, Sam (in General) Rating: 4.33
Posted on 2006-01-06 by Gamer (No Solution Yet, 24 Comments)
Difficulty: 4 of 5Pick two numbers! (in General) Rating: 3.89
Posted on 2005-11-22 by e.g. (Solution Posted, 15 Comments)
Difficulty: 2 of 5A Clock Puzzle (in General) Rating: 4.00
Posted on 2006-07-01 by Joe (Solution Posted, 11 Comments)
Difficulty: 2 of 5Pieces in the box (in General) Rating: 4.33
Posted on 2005-10-26 by pcbouhid (Solution Posted, 15 Comments)
Difficulty: 3 of 5Unfilled grid (in General) Rating: 4.14
Posted on 2006-05-23 by Jer (Solution Posted, 5 Comments)
Difficulty: 5 of 5Domino arrangements (in General) Rating: 3.67
Posted on 2006-05-27 by Jer (Solution Posted, 7 Comments)
Difficulty: 3 of 53 grandfather clock problems (in General) Rating: 3.00
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, 12 Comments)
Difficulty: 2 of 5Braille's Sequence (in General) Rating: 3.25
Posted on 2006-01-06 by tanx (Solution Posted, 4 Comments)
Difficulty: 3 of 5Circular Jogging Track Problem 2 (in General)
Posted on 2006-04-13 by Salil (Solution Posted, 6 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, 11 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, 6 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, 15 Comments)
Difficulty: 3 of 5The George and Stella Saga (in General) Rating: 3.67
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, 7 Comments)
Difficulty: 2 of 5Reproduce this drawing (in General) Rating: 3.50
Posted on 2005-11-25 by pcbouhid (Solution Posted, 33 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, 3 Comments)
Difficulty: 2 of 5Match The Years (in General) Rating: 2.75
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, 9 Comments)
Difficulty: 3 of 5Trading Places 2 (in General) Rating: 4.00
Posted on 2006-05-30 by Sir Percivale (No Solution Yet, 3 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)
Posted on 2006-05-10 by Jer (Solution Posted, 5 Comments)
Difficulty: 2 of 5Trading Places (in General) Rating: 3.00
Posted on 2006-04-10 by Vernon Lewis (Solution Posted, 3 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, 3 Comments)
Difficulty: 2 of 5All the months of the year (in General) Rating: 4.00
Posted on 2005-12-27 by pcbouhid (Solution Posted, 4 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, 5 Comments)
Difficulty: 5 of 5Pegless Painting Plummets! (2) (in General) Rating: 4.00
Posted on 2006-06-02 by Tristan (Solution Posted, 6 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, 5 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: 3.67
Posted on 2006-06-30 by Vernon Lewis (Solution Posted, 8 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: 1.00
Posted on 2006-12-11 by K Sengupta (Solution Posted, 2 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, 2 Comments)
Difficulty: 3 of 5Spelling Card Trick II (in General) Rating: 2.50
Posted on 2006-09-29 by Charlie (Solution Posted, 5 Comments)
Difficulty: 3 of 5Sesquipedalian & Three-Quarter Ranch (in General) Rating: 3.00
Posted on 2006-10-15 by Salil (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Knot me ! (in General) Rating: 2.00
Posted on 2006-10-22 by Salil (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Button puzzle (2) (in General) Rating: 4.50
Posted on 2006-10-27 by Tristan (Solution Posted, 10 Comments)
Difficulty: 2 of 5Button puzzle (in General) Rating: 4.00
Posted on 2006-10-13 by Tristan (Solution Posted, 6 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, 3 Comments)
Difficulty: 3 of 5Arbitrary Adventures Analysis (in General) Rating: 4.00
Posted on 2006-11-20 by Old Original Oskar! (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Crash Course (in General) Rating: 4.14
Posted on 2006-12-01 by Gamer (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Horoscope Hijinks I (in General) Rating: 3.00
Posted on 2006-11-28 by Federico Kereki (Solution Posted, 7 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, 2 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, 7 Comments)
Difficulty: 3 of 5Row on Row (in General) Rating: 3.50
Posted on 2006-12-11 by Haruki (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Magic circle (in General)
Posted on 2006-12-16 by Charlie (Solution Posted, 6 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: 4.25
Posted on 2007-02-03 by Joe (Solution Posted, 5 Comments)
Difficulty: 2 of 5Powersdale To Quicksville (in General) Rating: 2.00
Posted on 2007-03-20 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Apples (in General) Rating: 4.67
Posted on 2007-03-15 by Assaf (Solution Posted, 9 Comments)
Difficulty: 2 of 5Letter Swap (in General)
Posted on 2007-01-19 by Vernon Lewis (Solution Posted, 8 Comments)
Difficulty: 2 of 5Difficulties with hotel rooms (in General) Rating: 4.00
Posted on 2007-01-25 by atheron (No Solution Yet, 20 Comments)
Difficulty: 3 of 5Gathering Flowers (in General) Rating: 3.75
Posted on 2007-02-16 by Vernon Lewis (Solution Posted, 9 Comments)
Difficulty: 2 of 5Name this city (in General) Rating: 3.00
Posted on 2007-02-15 by Art M (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Get The Distance (in General)
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, 4 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, 7 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: 4.80
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, 5 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, 6 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)
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, 5 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, 3 Comments)
Difficulty: 2 of 5Building a ruler (in General)
Posted on 2008-11-14 by pcbouhid (Solution Posted, 10 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: 2.00
Posted on 2008-12-06 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 2 of 513 Down? 36 Across? (in General)
Posted on 2008-12-25 by rod hines (Solution Posted, 4 Comments)
Difficulty: 2 of 5Neat Network (in General) Rating: 3.50
Posted on 2009-01-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Grand Anticipation (in General) Rating: 4.50
Posted on 2008-12-24 by K Sengupta (No Solution Yet, 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, 6 Comments)
Difficulty: 2 of 52000 cards (in General)
Posted on 2009-01-04 by pcbouhid (Solution Posted, 9 Comments)
Difficulty: 2 of 5Fondu, anyone? (in General) Rating: 4.50
Posted on 2009-02-02 by Sing4TheDay (Solution Posted, 4 Comments)
Difficulty: 3 of 5The Hare and Tortoise Rematch (in General)
Posted on 2009-03-26 by rod hines (Solution Posted, 15 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)
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, 8 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)
Posted on 2009-11-19 by Charlie (Solution Posted, 6 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, 2 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, 2 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 (No Solution Yet, 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)
Posted on 2014-12-11 by K Sengupta (No Solution Yet, 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, 1 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 (No Solution Yet, 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 (No Solution Yet, 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: 2.00
Posted on 2014-08-13 by Ady TZIDON (No Solution Yet, 0 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)
Posted on 2014-09-10 by K Sengupta (No Solution Yet, 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)
Posted on 2014-08-25 by K Sengupta (No Solution Yet, 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)
Posted on 2014-07-30 by K Sengupta (No Solution Yet, 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: 5.00
Posted on 2012-09-08 by Ady TZIDON (No Solution Yet, 7 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)
Posted on 2012-11-23 by Ady TZIDON (No Solution Yet, 3 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)
Posted on 2013-03-05 by K Sengupta (No Solution Yet, 3 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)
Posted on 2013-04-08 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Toast Schedule (in General) Rating: 1.33
Posted on 2013-05-13 by K Sengupta (No Solution Yet, 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)
Posted on 2013-05-22 by K Sengupta (No Solution Yet, 1 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)
Posted on 2013-07-10 by K Sengupta (No Solution Yet, 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, 8 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, 4 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 (No Solution Yet, 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)
Posted on 2014-02-12 by K Sengupta (No Solution Yet, 1 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, 3 Comments)
Difficulty: 3 of 5A missing proverb (in General) Rating: 3.00
Posted on 2014-01-09 by Ady TZIDON (Solution Posted, 2 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)
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 (No Solution Yet, 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)
Posted on 2015-02-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Date Deduction II (in General)
Posted on 2015-02-12 by K Sengupta (No Solution Yet, 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)
Posted on 2015-08-24 by K Sengupta (No Solution Yet, 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, 3 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)
Posted on 2016-02-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Watching the Watch (in General)
Posted on 2016-04-08 by K Sengupta (No Solution Yet, 2 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, 2 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, 13 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)
Posted on 2016-08-22 by K Sengupta (No Solution Yet, 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)
Posted on 2016-09-22 by K Sengupta (No Solution Yet, 1 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, 3 Comments)
Difficulty: 1 of 5Don't be confused (in General)
Posted on 2016-11-14 by Danish Ahmed Khan (No Solution Yet, 4 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)
Posted on 2017-02-22 by Ady TZIDON (No Solution Yet, 0 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, 3 Comments)
Difficulty: 3 of 5Question and answer (in General) Rating: 5.00
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, 1 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, 1 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)
Posted on 2017-06-27 by Ady TZIDON (Solution Posted, 1 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, 6 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, 1 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, 3 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, 1 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, 2 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)
Posted on 2018-09-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Where's Bob? (in General) Rating: 4.50
Posted on 2018-05-01 by Danish Ahmed Khan (No Solution Yet, 5 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, 1 Comments)
Difficulty: 1 of 5Rectangles (in General)
Posted on 2018-07-03 by Charlie (Solution Posted, 1 Comments)
Difficulty: 2 of 5Garden Path (in General)
Posted on 2018-07-16 by Charlie (Solution Posted, 2 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: 4.00
Posted on 2019-01-25 by Ady TZIDON (No Solution Yet, 6 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, 10 Comments)
Difficulty: 1 of 5Walking and Running (in General)
Posted on 2019-02-12 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5One puzzle, three hints (in General)
Posted on 2019-07-13 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5The Midpoint Locus (in General)
Posted on 2019-10-11 by Danish Ahmed Khan (No Solution Yet, 2 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, 1 Comments)
Difficulty: 3 of 5Elections in Graphistan (in General) Rating: 3.00
Posted on 2020-02-14 by JLo (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Certain old trade (in General)
Posted on 2020-01-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5The Smashing Pumpkins (in General)
Posted on 2020-01-31 by JLo (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Define my profile (in General)
Posted on 2020-04-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5What time is it now? (in General)
Posted on 2020-03-09 by Ady TZIDON (Solution Posted, 4 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, 19 Comments)
Difficulty: 3 of 5Erasing digits (in Numbers) Rating: 2.91
Posted on 2002-04-27 by levik (Solution Posted, 9 Comments)
Difficulty: 2 of 52001 digits (in Numbers) Rating: 4.20
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: 3.11
Posted on 2002-05-06 by charl (Solution Posted, 9 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, 48 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, 5 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: 1.50
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, 26 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, 14 Comments)
Difficulty: 2 of 5Square of an Odd (in Numbers) Rating: 3.13
Posted on 2002-10-06 by martyn (Solution Posted, 20 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: 1.86
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, 10 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, 8 Comments)
Difficulty: 2 of 5subtractiOn (in Numbers) Rating: 3.40
Posted on 2002-12-19 by cges (Solution Posted, 6 Comments)
Difficulty: 3 of 5Adjacent numbers (in Numbers) Rating: 3.11
Posted on 2003-01-09 by levik (Solution Posted, 9 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, 6 Comments)
Difficulty: 3 of 5Remainder (in Numbers) Rating: 3.88
Posted on 2003-03-01 by Anoop (Solution Posted, 12 Comments)
Difficulty: 3 of 5Composite numbers (in Numbers) Rating: 3.71
Posted on 2003-03-05 by Anoop (Solution Posted, 22 Comments)
Difficulty: 4 of 5Squares Probability (in Numbers) Rating: 3.56
Posted on 2003-06-19 by Gamer (Solution Posted, 12 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, 14 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, 16 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, 6 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, 19 Comments)
Difficulty: 3 of 5Tetra-productial numbers (in Numbers) Rating: 1.33
Posted on 2003-05-13 by Fernando (Solution Posted, 6 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: 2.33
Posted on 2003-05-25 by Fernando (Solution Posted, 4 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, 22 Comments)
Difficulty: 4 of 5Zero - The Hero (in Numbers) Rating: 2.14
Posted on 2003-04-09 by Ravi Raja (Solution Posted, 15 Comments)
Difficulty: 4 of 5Four-Digit Number (in Numbers) Rating: 3.17
Posted on 2003-04-26 by Ravi Raja (Solution Posted, 14 Comments)
Difficulty: 3 of 57-11 (in Numbers) Rating: 3.63
Posted on 2003-07-11 by luvya (Solution Posted, 13 Comments)
Difficulty: 3 of 5Ten-Digit Numbers (in Numbers) Rating: 3.33
Posted on 2003-05-27 by Ravi Raja (Solution Posted, 3 Comments)
Difficulty: 3 of 5Mental Arithmetic (in Numbers) Rating: 3.33
Posted on 2003-10-05 by nellie (Solution Posted, 20 Comments)
Difficulty: 4 of 5Another Square Sequence (in Numbers) Rating: 2.33
Posted on 2003-12-23 by Gamer (Solution Posted, 5 Comments)
Difficulty: 2 of 5What Happened ? (in Numbers) Rating: 1.17
Posted on 2003-09-23 by Ravi Raja (Solution Posted, 9 Comments)
Difficulty: 3 of 5Check Mate (in Numbers) Rating: 3.83
Posted on 2003-10-06 by Ravi Raja (Solution Posted, 12 Comments)
Difficulty: 2 of 5A question of primes (in Numbers) Rating: 2.50
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, 11 Comments)
Difficulty: 4 of 5Binary Primes (in Numbers) Rating: 3.50
Posted on 2004-02-18 by Aaron (Solution Posted, 12 Comments)
Difficulty: 3 of 5Looking for n (in Numbers) Rating: 4.29
Posted on 2004-02-24 by Aaron (Solution Posted, 12 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, 23 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, 12 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: 3.00
Posted on 2003-04-13 by Alan (No Solution Yet, 67 Comments)
Difficulty: 3 of 5Different Digits (in Numbers) Rating: 3.29
Posted on 2003-12-28 by Ravi Raja (Solution Posted, 14 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, 16 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, 13 Comments)
Difficulty: 3 of 5Pretzel sticks (in Numbers) Rating: 3.33
Posted on 2003-09-22 by Gamer (Solution Posted, 3 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: 3.25
Posted on 2003-07-03 by Gamer (Solution Posted, 11 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: 3.67
Posted on 2003-07-23 by Brian Smith (Solution Posted, 6 Comments)
Difficulty: 4 of 5Super Number Square (in Numbers) Rating: 4.42
Posted on 2003-08-19 by DJ (Solution Posted, 7 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, 16 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, 11 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, 7 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: 4.17
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, 9 Comments)
Difficulty: 3 of 5Counting Exercise (in Numbers) Rating: 4.42
Posted on 2003-09-10 by DJ (Solution Posted, 9 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, 17 Comments)
Difficulty: 5 of 5Fill the Grid (in Numbers) Rating: 3.63
Posted on 2004-01-21 by Brian Smith (Solution Posted, 28 Comments)
Difficulty: 3 of 5Piny the Elder (in Numbers) Rating: 2.33
Posted on 2004-04-24 by Gamer (Solution Posted, 7 Comments)
Difficulty: 3 of 5Number Quiz (in Numbers) Rating: 4.00
Posted on 2003-08-28 by Gamer (Solution Posted, 23 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: 4.23
Posted on 2003-09-29 by DJ (Solution Posted, 10 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)
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, 9 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: 2.50
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, 7 Comments)
Difficulty: 3 of 5Puzzle Strips (in Numbers) Rating: 3.60
Posted on 2003-10-27 by DJ (Solution Posted, 6 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, 5 Comments)
Difficulty: 3 of 5Smallest Number (in Numbers) Rating: 3.75
Posted on 2004-01-25 by Ravi Raja (Solution Posted, 23 Comments)
Difficulty: 3 of 5Sum Of The Digits (in Numbers) Rating: 2.17
Posted on 2004-01-27 by Ravi Raja (Solution Posted, 13 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, 13 Comments)
Difficulty: 3 of 5Missing Digits (in Numbers) Rating: 2.80
Posted on 2004-11-10 by Nick Hobson (No Solution Yet, 7 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, 3 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, 12 Comments)
Difficulty: 3 of 5e pluribus unum ii (in Numbers) Rating: 4.67
Posted on 2004-01-22 by DJ (Solution Posted, 12 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: 3.00
Posted on 2004-06-24 by Federico Kereki (Solution Posted, 11 Comments)
Difficulty: 3 of 5Close Neighbors (in Numbers) Rating: 4.29
Posted on 2004-02-05 by DJ (Solution Posted, 6 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, 7 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, 13 Comments)
Difficulty: 4 of 5Lucky Numbers (in Numbers) Rating: 3.75
Posted on 2005-02-19 by David Shin (Solution Posted, 5 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: 2.00
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, 7 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: 2.50
Posted on 2004-02-06 by SilverKnight (Solution Posted, 15 Comments)
Difficulty: 4 of 5Pretty Potent Primes (in Numbers) Rating: 3.33
Posted on 2005-03-13 by Old Original Oskar! (Solution Posted, 11 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, 5 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: 2.80
Posted on 2004-04-05 by brianjn (Solution Posted, 23 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: 3.83
Posted on 2004-04-29 by Federico Kereki (Solution Posted, 10 Comments)
Difficulty: 3 of 510,000 (in Numbers) Rating: 2.60
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, 8 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, 15 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: 3.25
Posted on 2004-07-10 by Federico Kereki (Solution Posted, 7 Comments)
Difficulty: 3 of 5Break a dollar (in Numbers) Rating: 3.33
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, 4 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, 11 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: 2.11
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, 9 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, 5 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, 14 Comments)
Difficulty: 3 of 5Rational Result? Ridiculous! (in Numbers) Rating: 2.75
Posted on 2004-12-20 by Old Original Oskar! (Solution Posted, 19 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, 17 Comments)
Difficulty: 2 of 5Magic constant (in Numbers) Rating: 1.75
Posted on 2005-02-23 by e.g. (Solution Posted, 5 Comments)
Difficulty: 2 of 5Reverse and Differ (in Numbers) Rating: 2.00
Posted on 2005-02-01 by Jer (Solution Posted, 6 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, 18 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, 15 Comments)
Difficulty: 2 of 5Silly System (in Numbers) Rating: 2.75
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, 6 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, 4 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, 9 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, 9 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, 5 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, 8 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, 391 Comments)
Difficulty: 2 of 550 - Digit Number II (in Numbers) Rating: 2.80
Posted on 2005-05-13 by Dustin (Solution Posted, 11 Comments)
Difficulty: 3 of 5So how small is it then? (in Numbers) Rating: 4.00
Posted on 2006-08-09 by Jer (Solution Posted, 15 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: 3.33
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, 9 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, 4 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: 3.50
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, 2 Comments)
Difficulty: 3 of 5Prime square (in Numbers)
Posted on 2005-07-19 by Federico Kereki (No Solution Yet, 8 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: 3.20
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, 18 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: 3.80
Posted on 2006-02-20 by goFish (Solution Posted, 14 Comments)
Difficulty: 3 of 5Making poverty history (in Numbers) Rating: 4.50
Posted on 2006-02-19 by goFish (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Palindromic number counting (in Numbers) Rating: 3.00
Posted on 2006-06-22 by Sir Percivale (No Solution Yet, 3 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, 26 Comments)
Difficulty: 4 of 5A quotient and square problem (in Numbers) Rating: 3.00
Posted on 2006-09-23 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5Abramowitz And Bernhardt Families (in Numbers) Rating: 2.00
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, 8 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, 17 Comments)
Difficulty: 3 of 5Domino fractions (in Numbers) Rating: 3.00
Posted on 2006-05-25 by Jer (Solution Posted, 2 Comments)
Difficulty: 4 of 5More Referential Numbers (in Numbers) Rating: 4.00
Posted on 2005-12-10 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 4 of 5A Bivariate Divisibility Problem (in Numbers) Rating: 1.67
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: 3.50
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, 7 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, 6 Comments)
Difficulty: 4 of 5Classical Rules 2 (in Numbers) Rating: 4.00
Posted on 2006-04-20 by goFish (No Solution Yet, 3 Comments)
Difficulty: 2 of 535, 70, 105, 140... (in Numbers) Rating: 3.00
Posted on 2006-05-03 by Rob (Solution Posted, 8 Comments)
Difficulty: 3 of 5From Six To One (in Numbers) Rating: 4.44
Posted on 2006-10-31 by Josie Faulkner (Solution Posted, 9 Comments)
Difficulty: 3 of 5Two fours (or fewer?) (in Numbers) Rating: 4.00
Posted on 2006-04-07 by Jer (Solution Posted, 15 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, 12 Comments)
Difficulty: 3 of 51066 and all that (in Numbers) Rating: 4.29
Posted on 2006-01-20 by goFish (Solution Posted, 25 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, 10 Comments)
Difficulty: 2 of 5Find just one digit (in Numbers) Rating: 3.80
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, 6 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: 2.00
Posted on 2006-07-16 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Trig meets Logs (in Numbers) Rating: 1.00
Posted on 2006-06-14 by Jer (No Solution Yet, 1 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: 3.00
Posted on 2006-05-13 by tomarken (Solution Posted, 17 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, 8 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: 3.50
Posted on 2006-04-15 by Jer (Solution Posted, 3 Comments)
Difficulty: 2 of 5a, b and c (in Numbers) Rating: 2.50
Posted on 2005-09-27 by Josh70679 (Solution Posted, 12 Comments)
Difficulty: 3 of 5Feel the powers! (in Numbers) Rating: 3.67
Posted on 2005-09-21 by Josh70679 (Solution Posted, 3 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: 2.50
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, 8 Comments)
Difficulty: 3 of 5Dividing A Grid (in Numbers) Rating: 2.00
Posted on 2005-10-25 by Brian Smith (Solution Posted, 9 Comments)
Difficulty: 3 of 5Boxing Day (in Numbers) Rating: 4.00
Posted on 2005-09-28 by Lisa (Solution Posted, 6 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, 14 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, 20 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, 6 Comments)
Difficulty: 3 of 5The digits and square numbers (in Numbers)
Posted on 2006-10-12 by Salil (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Repeating decimals (in Numbers) Rating: 4.50
Posted on 2006-09-25 by Jer (Solution Posted, 11 Comments)
Difficulty: 2 of 5Bananas (in Numbers) Rating: 3.33
Posted on 2006-08-28 by JLo (Solution Posted, 10 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, 8 Comments)
Difficulty: 3 of 5These are no fractions, are they? (in Numbers) Rating: 2.50
Posted on 2006-09-05 by JLo (Solution Posted, 15 Comments)
Difficulty: 3 of 5Fermat for beginners (in Numbers)
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, 5 Comments)
Difficulty: 2 of 5Another positive integer puzzle (in Numbers)
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, 7 Comments)
Difficulty: 4 of 520 numbers and 8 primes (in Numbers) Rating: 4.50
Posted on 2006-10-12 by Steve Herman (Solution Posted, 7 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: 1.75
Posted on 2006-11-06 by Paddy (Solution Posted, 5 Comments)
Difficulty: 2 of 5Favorable Numbers (in Numbers) Rating: 3.00
Posted on 2006-11-02 by Gamer (Solution Posted, 4 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, 2 Comments)
Difficulty: 2 of 5A 1001 Problem (in Numbers) Rating: 2.67
Posted on 2007-02-05 by K Sengupta (Solution Posted, 6 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: 2.50
Posted on 2007-03-28 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 4 of 5Multiply Together, Get Cubic (in Numbers) Rating: 3.00
Posted on 2007-06-21 by K Sengupta (No Solution Yet, 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, 8 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, 6 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)
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, 4 Comments)
Difficulty: 3 of 5Divisibility (in Numbers)
Posted on 2007-01-08 by atheron (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Odd Series (in Numbers) Rating: 4.00
Posted on 2007-01-08 by Dennis (Solution Posted, 3 Comments)
Difficulty: 3 of 5Vicious Circle (in Numbers)
Posted on 2007-01-17 by Charlie (Solution Posted, 2 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, 3 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)
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, 3 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: 2.50
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: 4.50
Posted on 2007-06-09 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5A 2547 Puzzle (in Numbers) Rating: 2.00
Posted on 2007-03-29 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Greatest value (in Numbers)
Posted on 2007-02-02 by atheron (Solution Posted, 1 Comments)
Difficulty: 2 of 5A Greatest (Integer) Problem (in Numbers)
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, 5 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, 3 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)
Posted on 2007-03-26 by Brian Smith (Solution Posted, 3 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, 4 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: 4.50
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, 12 Comments)
Difficulty: 3 of 5Close to Fermat (in Numbers)
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, 4 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)
Posted on 2007-03-26 by e.g. (Solution Posted, 2 Comments)
Difficulty: 2 of 5Chop it off (in Numbers) Rating: 3.00
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, 4 Comments)
Difficulty: 3 of 5Triangular Triples (in Numbers) Rating: 4.00
Posted on 2007-04-21 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Five Squares (in Numbers) Rating: 3.67
Posted on 2007-04-18 by brianjn (Solution Posted, 7 Comments)</