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Difficulty: 3 of 5Q & A (in General)
Posted on 2017-07-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 510-Word Square (in Word Problems) Rating: 3.00
Posted on 2017-07-19 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 2 of 5From Mahavira (in Just Math)
Posted on 2017-07-18 by Jer (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Guess who (in Sequences)
Posted on 2017-07-16 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Brazilian numbers (in Sequences) Rating: 3.00
Posted on 2017-07-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Unpainting Black (in Probability)
Posted on 2017-07-14 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 1 of 5Fermat numbers (in Numbers) Rating: 4.00
Posted on 2017-07-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Make the proof full-proof (in Word Problems)
Posted on 2017-07-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 54 options (in Probability)
Posted on 2017-07-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Regular N-gon (in Geometry) Rating: 4.00
Posted on 2017-07-09 by Bractals (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pythagorean H/L ratios (in Just Math)
Posted on 2017-07-08 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Just add 2 letters (in Word Problems)
Posted on 2017-07-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Many Knights (in Games)
Posted on 2017-07-05 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Larger area / larger perimeter (in Numbers)
Posted on 2017-07-03 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 53,7,8 as a start (in Numbers)
Posted on 2017-07-02 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 52 kids 3 boxes (in Games)
Posted on 2017-07-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Centenarians (in Logic) Rating: 3.00
Posted on 2017-06-29 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square Egyptians (in Numbers)
Posted on 2017-06-28 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Giveaway ratios (in Numbers)
Posted on 2017-06-26 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Lewis Carroll's finding (in Geometry)
Posted on 2017-06-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Combinatory logic (in Logic)
Posted on 2017-06-24 by Math Man (No Solution Yet, 0 Comments)
Difficulty: 3 of 52017 to start with (in Numbers)
Posted on 2017-06-23 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Odd Egyptians (in Numbers)
Posted on 2017-06-21 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Punchline I (in Word Problems) Rating: 3.00
Posted on 2017-06-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Rational number's conversion (in Just Math) Rating: 5.00
Posted on 2017-06-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Love story (in General)
Posted on 2017-06-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pythagoras' corner (in Geometry)
Posted on 2017-06-16 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5a cube = s.o.d . (in Numbers) Rating: 3.00
Posted on 2017-06-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Paradox? Not really (in Probability)
Posted on 2017-06-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Candy lover (in Liars and Knights)
Posted on 2017-06-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A madness sequence (50 digits) (in Sequences)
Posted on 2017-06-11 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 5Double black (in Probability) Rating: 2.67
Posted on 2017-06-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 518 is not enough (in Sequences) Rating: 3.00
Posted on 2017-06-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Delian delight (in Geometry)
Posted on 2017-06-04 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5From right to left (in Weights and Scales) Rating: 4.00
Posted on 2017-06-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Unbalanced?- No problem (in Weights and Scales) Rating: 4.00
Posted on 2017-05-30 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 1 of 5Erase one (in Numbers)
Posted on 2017-05-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seven Region Partition (in Shapes)
Posted on 2017-05-27 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Oleg or Erdös? (in Games) Rating: 4.00
Posted on 2017-05-26 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5N dice (in Probability) Rating: 3.50
Posted on 2017-05-25 by Larry (No Solution Yet, 3 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: 4 of 5Add one more circle (in Geometry)
Posted on 2017-05-21 by Brian Smith (No Solution Yet, 5 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: 2 of 5Four balls (in Probability) Rating: 3.50
Posted on 2017-05-19 by Ady TZIDON (No Solution Yet, 21 Comments)
Difficulty: 2 of 5Two sentences about Lady Chatterley (in Logic) Rating: 4.00
Posted on 2017-05-18 by ollie (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hands off! (in Weights and Scales) Rating: 3.00
Posted on 2017-05-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Not every prime qualifies! (in Numbers)
Posted on 2017-05-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Twice blind (in Numbers)
Posted on 2017-05-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5How much is "?" ? (in Numbers)
Posted on 2017-05-13 by Ady TZIDON (No Solution Yet, 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 5Inder Taneja's discovery (in Numbers)
Posted on 2017-05-11 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5One more line (in Logic)
Posted on 2017-05-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The length of the belt (in Geometry) Rating: 3.00
Posted on 2017-05-09 by Ady TZIDON (No Solution Yet, 5 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: 3 of 5No software allowed ! (in Numbers)
Posted on 2017-05-07 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5All ten (in Numbers)
Posted on 2017-05-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Sum and Difference II (in Numbers)
Posted on 2017-05-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Strange Summation (in Numbers)
Posted on 2017-05-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pandigital + (in Probability)
Posted on 2017-05-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The smallest non-conformist (in Numbers)
Posted on 2017-05-02 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 5Many equal shapes (in Geometry)
Posted on 2017-04-30 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Smallest pandifibo number (in Numbers)
Posted on 2017-04-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Eat as eat can (in Numbers) Rating: 3.00
Posted on 2017-04-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Baker to butcher to baker (in Just Math)
Posted on 2017-04-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Driven by greed (in General)
Posted on 2017-04-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5e as a pandigital expression (in Numbers)
Posted on 2017-04-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Maxim, Minerva & Kangaroo (in Numbers)
Posted on 2017-04-22 by Ady TZIDON (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 5Is it a conic? (in Geometry) Rating: 4.00
Posted on 2017-04-19 by Jer (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Polygon Overlap (in Geometry)
Posted on 2017-04-17 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pandigital and square (in Numbers)
Posted on 2017-04-15 by Ady TZIDON (No Solution Yet, 6 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 5Growth Potential (in Algorithms)
Posted on 2017-04-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Sticks in a Cube (in Shapes)
Posted on 2017-04-11 by Brian Smith (No Solution Yet, 3 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 5Excellent numbers (in Numbers)
Posted on 2017-04-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5The magnificent twelve (in Numbers)
Posted on 2017-04-07 by Ady TZIDON (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: 3 of 5Long live the vowels (in Word Problems)
Posted on 2017-04-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5S.o.S is S (in Numbers) Rating: 2.00
Posted on 2017-04-03 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Three mirrored multiplications (in Numbers)
Posted on 2017-04-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime power puzzle (in Just Math) Rating: 5.00
Posted on 2017-04-01 by Math Man (No Solution Yet, 8 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: 3 of 5Over 18 (in Sequences)
Posted on 2017-03-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5 QUICKIE X (in Just Math)
Posted on 2017-03-28 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Why is it D2? (in Numbers)
Posted on 2017-03-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 51 is one of them (in Numbers)
Posted on 2017-03-25 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5True for nine and up (in Numbers)
Posted on 2017-03-24 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5POPANASIS (in Word Problems)
Posted on 2017-03-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Up and up (in Numbers) Rating: 5.00
Posted on 2017-03-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5 The sum of 2016 terms (in Sequences)
Posted on 2017-03-21 by Ady TZIDON (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: 4 of 5A rare palindrome (in Numbers)
Posted on 2017-03-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Same side story (in Probability)
Posted on 2017-03-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Integers and their sums of digits (in Just Math)
Posted on 2017-03-13 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Square Slab and a Cube (in Shapes)
Posted on 2017-03-12 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Three heights in a triangle (in Geometry)
Posted on 2017-03-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Staircases in a Cube (in Shapes)
Posted on 2017-03-10 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5 1 progression, 2 sums, 3 numbers (in Just Math)
Posted on 2017-03-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Facing each other (in Just Math)
Posted on 2017-03-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5At most - equality (in Just Math)
Posted on 2017-03-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Problem on its own (in Geometry)
Posted on 2017-03-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Inequality with a constraint (in Just Math)
Posted on 2017-03-04 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Run Away Redux (in Games) Rating: 3.00
Posted on 2017-03-03 by Brian Smith (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: 2 of 5Rectangle Point (in Geometry)
Posted on 2017-02-28 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Never a square (in Numbers)
Posted on 2017-02-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Scanning Bard's masterpiece (in Word Problems)
Posted on 2017-02-25 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Areas ratio (in Probability)
Posted on 2017-02-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Fibonacci Fib (in Sequences) Rating: 5.00
Posted on 2017-02-23 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Italian, English, and both (in General)
Posted on 2017-02-22 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Circumcenters and Incenters (in Geometry) Rating: 5.00
Posted on 2017-02-19 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square expressions (in Numbers)
Posted on 2017-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Placing 4 integers within a set interval (in Just Math)
Posted on 2017-02-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sets' intersection (in Just Math)
Posted on 2017-02-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5S.O.S. is not a prime (in Numbers)
Posted on 2017-02-15 by Ady TZIDON (No Solution Yet, 0 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 5Trying to reach a Pythagorean triplet (in Just Math)
Posted on 2017-02-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5No crossing (in General)
Posted on 2017-02-11 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Most words from your word (in Word Problems)
Posted on 2017-02-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Lies, truth, and logic (in Liars and Knights) Rating: 1.00
Posted on 2017-02-09 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A better approximate Pythagorean Theorem (in Calculus)
Posted on 2017-02-08 by Jer (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: 2 of 5Integer couples (in Numbers)
Posted on 2017-02-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A table 4 4 (in Just Math)
Posted on 2017-02-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Almost Pythagorean Theorem (in Calculus)
Posted on 2017-02-03 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5T better than S (in Famous Riddles)
Posted on 2017-02-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Given VI, evaluate VII (in Sequences)
Posted on 2017-02-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Multiples with 3 (in Numbers) Rating: 5.00
Posted on 2017-01-31 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5The kiss (in Word Problems)
Posted on 2017-01-30 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Opening your eyes (in Famous Riddles)
Posted on 2017-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 51,3,8 ...extend! (in Numbers) Rating: 5.00
Posted on 2017-01-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Ain't she clever? (in Just Math)
Posted on 2017-01-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Non-zero solutions only (in Just Math)
Posted on 2017-01-23 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Additional values (in Just Math)
Posted on 2017-01-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Powers of x and y (in Just Math) Rating: 4.00
Posted on 2017-01-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Six (or more) sextuples (in Numbers)
Posted on 2017-01-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Topical Quotation V (in Word Problems)
Posted on 2017-01-18 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An interesting recurrence (in Numbers) Rating: 5.00
Posted on 2017-01-17 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Age Progression (in Numbers)
Posted on 2017-01-16 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Square OR 2*square (in Numbers)
Posted on 2017-01-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 52nd grade math (in Probability)
Posted on 2017-01-12 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Proving divisibility (in Just Math)
Posted on 2017-01-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5(x−y)^ n = xy (in Just Math)
Posted on 2017-01-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5From Tangent to Circle (in Geometry) Rating: 3.00
Posted on 2017-01-04 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Counting brackets (in Just Math)
Posted on 2017-01-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Which is the biggest? (in Numbers)
Posted on 2017-01-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Congruent Incircles (in Geometry) Rating: 5.00
Posted on 2017-01-01 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A set of 3 equations (in Just Math) Rating: 3.50
Posted on 2016-12-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Skill or food? (in Numbers)
Posted on 2016-12-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Who discovered the secret? (in Logic)
Posted on 2016-12-27 by ollie (No Solution Yet, 4 Comments)
Difficulty: 1 of 5As EZ as UC it (in Numbers) Rating: 4.00
Posted on 2016-12-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5No change in its value (in Numbers)
Posted on 2016-12-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A chain of powers (in Sequences)
Posted on 2016-12-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Exclusive Inverter (in Algorithms)
Posted on 2016-12-21 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Legally Blonde (in Liars and Knights) Rating: 3.00
Posted on 2016-12-19 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Primitive Prime Divisors (in Sequences)
Posted on 2016-12-17 by broll (No Solution Yet, 0 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: 2 of 5It's all in the stars (in Just Math)
Posted on 2016-12-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Decimal and Binary Representation (in Numbers)
Posted on 2016-12-13 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Pentagon Partitions (in Shapes)
Posted on 2016-12-11 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Same Real Roots (in Just Math)
Posted on 2016-12-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Gluing Cubes (in Shapes)
Posted on 2016-12-08 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A ragman from 3 to 10 (in Word Problems)
Posted on 2016-12-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Moving Two Rooks (in Games)
Posted on 2016-12-06 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Four integers (in Numbers)
Posted on 2016-12-04 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Get all the Real Parts of the Problem (in Just Math)
Posted on 2016-12-03 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Vieta's derivatives (in Just Math)
Posted on 2016-12-02 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A biased random walk (in Probability)
Posted on 2016-12-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 57+8=12 ?? (in Just Math) Rating: 3.00
Posted on 2016-11-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5composite function (in Calculus) Rating: 3.00
Posted on 2016-11-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two Non-overlapping Triangles (in Geometry)
Posted on 2016-11-27 by Brian Smith (No Solution Yet, 0 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: 3 of 526 out of 50 (in Just Math) Rating: 4.00
Posted on 2016-11-25 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Prime repunits (in Numbers) Rating: 3.50
Posted on 2016-11-24 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5On the same floor (in Just Math)
Posted on 2016-11-22 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Terrific sequence 2 (in Sequences) Rating: 5.00
Posted on 2016-11-20 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Equal Areas on Circles (in Geometry)
Posted on 2016-11-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rational Resolution (in Just Math)
Posted on 2016-11-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Maximizing the sum (in Numbers)
Posted on 2016-11-16 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A radical problem (in Just Math)
Posted on 2016-11-15 by Ady TZIDON (No Solution Yet, 2 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: 3 of 5In terzo luogo (in Sequences)
Posted on 2016-11-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Linear*Quadratic = Square (in Just Math)
Posted on 2016-11-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 563 Division Decision (in Just Math)
Posted on 2016-11-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5AABBCC and Perfect Square (in Just Math) Rating: 3.00
Posted on 2016-11-09 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Lucas Digits Look (in Just Math)
Posted on 2016-11-07 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Roots Ready to Relate (in Just Math) Rating: 4.00
Posted on 2016-11-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Covering a Rectangle with Hexominos (in Shapes)
Posted on 2016-11-05 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Hardest easy geometry problem (in Geometry)
Posted on 2016-11-04 by Jer (No Solution Yet, 2 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 5Equal Temperatures (in Just Math)
Posted on 2016-10-31 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Matrix Mathematics (in Just Math)
Posted on 2016-10-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reciprocal Period Poser (in Just Math)
Posted on 2016-10-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Ninth Hexomino (in Shapes)
Posted on 2016-10-28 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rationality certification (in Just Math)
Posted on 2016-10-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Inequality challenge (in Just Math)
Posted on 2016-10-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Figuring Forty-Nine and Sequence (in Sequences)
Posted on 2016-10-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Totient Trial (in Just Math)
Posted on 2016-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Simultaneous Settlement V (in Just Math)
Posted on 2016-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rectangle Evasion 2 (in Shapes)
Posted on 2016-10-23 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Prime and Twice Square (in Just Math) Rating: 3.50
Posted on 2016-10-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A little twist (in Just Math)
Posted on 2016-10-21 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5List of triplets (in Just Math)
Posted on 2016-10-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Dodecahedron Chance Determination (in Probability)
Posted on 2016-10-20 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Ratio Resolution IV (in Weights and Scales)
Posted on 2016-10-20 by K Sengupta (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: 3 of 5Positively Positive (in Just Math) Rating: 3.00
Posted on 2016-10-18 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Mismatch Muse (in Logic)
Posted on 2016-10-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prove Phi's Peculiar Property (in Numbers)
Posted on 2016-10-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime and Six Settlement (in Just Math)
Posted on 2016-10-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5get the real part of the problem (in Just Math)
Posted on 2016-10-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tile a Rectangle (in Shapes)
Posted on 2016-10-15 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 4 of 5this is the range of my root (in Just Math)
Posted on 2016-10-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Phibobrick's dimensions (in Numbers)
Posted on 2016-10-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pythagorean Legs (in Just Math)
Posted on 2016-10-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5My first was dreary, cold, and dark (in Famous Riddles)
Posted on 2016-10-13 by K Sengupta (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 5River Cross Resolution (in Weights and Scales)
Posted on 2016-10-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Adding consecutive primes (in Just Math)
Posted on 2016-10-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Digit Arithmetic (in Just Math)
Posted on 2016-10-11 by K Sengupta (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 5Bridge Cross Baffle (in Logic)
Posted on 2016-10-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Ratio Sum Equation (in Just Math)
Posted on 2016-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5polynomial problem 3 (in Just Math)
Posted on 2016-10-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 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 5Three Equation System Settlement (in Just Math)
Posted on 2016-10-07 by K Sengupta (No Solution Yet, 5 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: 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 5Wrapping a Regular Hexagon (in Shapes)
Posted on 2016-10-05 by K Sengupta (No Solution Yet, 1 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 5Perfect Square and Odd Puzzle (in Just Math)
Posted on 2016-10-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rub it in (in Word Problems)
Posted on 2016-10-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Additional solutions, please (in Just Math)
Posted on 2016-10-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Prime problem (in Just Math)
Posted on 2016-10-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Random Trial (in Algorithms)
Posted on 2016-10-02 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Collinearity proof (in Geometry)
Posted on 2016-10-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Function Finding From Floor (in Just Math) Rating: 3.00
Posted on 2016-09-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5polynomial problem 2 (in Just Math) Rating: 3.00
Posted on 2016-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rectangle Evasion (in Shapes)
Posted on 2016-09-29 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Carfax (in General)
Posted on 2016-09-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Unit Cube Paint Undertaking (in Shapes)
Posted on 2016-09-28 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Cryptajoke XVI (in Word Problems)
Posted on 2016-09-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5No data - just a weighing problem (in General)
Posted on 2016-09-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two Primes From Prime (in Just Math) Rating: 4.00
Posted on 2016-09-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Cryptajoke XV (in Cryptography)
Posted on 2016-09-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Immobile Hexominos (in Shapes)
Posted on 2016-09-25 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Nineteen Divisibility Nuance (in Algorithms)
Posted on 2016-09-24 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Numbers' quantifiers (in Logic)
Posted on 2016-09-23 by Ady TZIDON (No Solution Yet, 4 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 5Find Function From Fraction (in Just Math)
Posted on 2016-09-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Capital City Conclusion 3 (in General)
Posted on 2016-09-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A cyclic path (in Geometry)
Posted on 2016-09-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real roots from three dice (in Probability)
Posted on 2016-09-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Easy sequence (in Sequences)
Posted on 2016-09-20 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unbiased and Biased Choice (in Probability)
Posted on 2016-09-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Provide the next number (in Sequences)
Posted on 2016-09-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Eight Hexominos plus a Tetromino (in Shapes)
Posted on 2016-09-17 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Anamonics (in Word Problems)
Posted on 2016-09-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5GCD and LCM (in Just Math)
Posted on 2016-09-16 by K Sengupta (No Solution Yet, 1 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 5Ascending Hexadecimal Digits (in Just Math)
Posted on 2016-09-15 by K Sengupta (No Solution Yet, 1 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 5NegaTernary Nuance (in Algorithms)
Posted on 2016-09-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The triple threat (in Tricks)
Posted on 2016-09-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Duodecimal Pandigital Divisibility Device (in Algorithms)
Posted on 2016-09-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 54 rebuses (in Word Problems)
Posted on 2016-09-12 by Ady TZIDON (No Solution Yet, 0 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 5Three Root Trial (in Just Math)
Posted on 2016-09-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Lopsided T-Hexomino (in Shapes)
Posted on 2016-09-09 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Finding the hidden digit (in Tricks)
Posted on 2016-09-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Dice Roll Resolution (in Probability)
Posted on 2016-09-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Four weddings (in Word Problems)
Posted on 2016-09-08 by Ady TZIDON (No Solution Yet, 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 5Counting ARATs (in Numbers)
Posted on 2016-09-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Nineteenth Exponent Exposition (in Just Math)
Posted on 2016-09-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 51248 must be included (in Sequences)
Posted on 2016-09-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Form Finding From Solution (in Just Math)
Posted on 2016-09-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Getting 189 (in Numbers)
Posted on 2016-09-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Equation Illation (in Just Math)
Posted on 2016-09-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 5 of 5Sum to Cevian (in Geometry)
Posted on 2016-09-03 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Tetra Anagram Trial (in Word Problems)
Posted on 2016-09-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Polygon Area Ponder (in Shapes)
Posted on 2016-09-01 by K Sengupta (No Solution Yet, 2 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 5Divisibility Property (in Numbers)
Posted on 2016-08-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Near Fermat Nuance (in Just Math)
Posted on 2016-08-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Add missing letters (in Word Problems) Rating: 3.00
Posted on 2016-08-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Random Chess Pieces Poser (in Probability)
Posted on 2016-08-29 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Which is greater? (in Just Math) Rating: 4.00
Posted on 2016-08-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Complex Number and Positive Integer Poser (in Just Math)
Posted on 2016-08-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5All rational numbers in (in Sequences)
Posted on 2016-08-26 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5T-Hexomino Packing (in Shapes)
Posted on 2016-08-26 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Powers of 3 (in Numbers)
Posted on 2016-08-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Labeling Minimum (in Weights and Scales)
Posted on 2016-08-25 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Eight Points (in Probability)
Posted on 2016-08-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Business is business (in Word Problems) Rating: 4.00
Posted on 2016-08-24 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Almost disjoint union (in Just Math)
Posted on 2016-08-23 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Murder Muse Resolution (in Riddles)
Posted on 2016-08-23 by K Sengupta (No Solution Yet, 1 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 5Estimate a percentage (in Numbers)
Posted on 2016-08-22 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Hexagon Hinder 3 (in Shapes)
Posted on 2016-08-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Concurrent Rays (in Geometry) Rating: 5.00
Posted on 2016-08-20 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Bananas travel (in General)
Posted on 2016-08-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Collinear Points (in Geometry)
Posted on 2016-08-19 by Bractals (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 5Guessing your birthdate (in Just Math)
Posted on 2016-08-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Expression and Square Sum (in Just Math)
Posted on 2016-08-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 54 groups of 4 (in Word Problems) Rating: 2.00
Posted on 2016-08-16 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Tilings of a Hexomino (in Shapes)
Posted on 2016-08-16 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Divisibility with lcm and gcd (in Just Math)
Posted on 2016-08-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5240 divisors (in Just Math)
Posted on 2016-08-15 by Ady TZIDON (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 5Diophantine Pair Decision (in Just Math)
Posted on 2016-08-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 51-2-3-4 Square (in Geometry)
Posted on 2016-08-12 by Brian Smith (No Solution Yet, 3 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 5Real and Cyclic Sum (in Just Math) Rating: 4.00
Posted on 2016-08-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Sum of Consecutive Square Roots (in Just Math)
Posted on 2016-08-10 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Insect Jump Illation (in Just Math)
Posted on 2016-08-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unearthing Units Digit (in Just Math)
Posted on 2016-08-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Binomial GCDs (in Just Math)
Posted on 2016-08-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Divisibility to Square II (in Just Math)
Posted on 2016-08-07 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 5 (in Shapes)
Posted on 2016-08-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Nations, Capitals and Number String (in Word Problems) Rating: 1.50
Posted on 2016-08-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Visiting Toronto (in Numbers)
Posted on 2016-08-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A spiral word (in Word Problems) Rating: 3.50
Posted on 2016-08-04 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Remainder Resolution from Multiple (in Just Math) Rating: 4.00
Posted on 2016-08-04 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Pandigital Multiples of 99 (in Numbers)
Posted on 2016-08-03 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quadratic and Linear (in Just Math)
Posted on 2016-08-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Square angles (in Shapes)
Posted on 2016-08-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pentagon and Acute Probability (in Probability)
Posted on 2016-08-02 by K Sengupta (No Solution Yet, 1 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 5Mirror multiplication (in Numbers)
Posted on 2016-07-31 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Ball Series Insertion (in Weights and Scales)
Posted on 2016-07-29 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square in a Cone (in Shapes)
Posted on 2016-07-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Staggering Digits (in Just Math)
Posted on 2016-07-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5A Tetrahedral Volume Puzzle (in Shapes)
Posted on 2016-07-28 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 515 Triominoes (in Shapes)
Posted on 2016-07-26 by Brian Smith (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A chain of command (in Just Math)
Posted on 2016-07-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Go back or double (in Sequences)
Posted on 2016-07-25 by Jer (No Solution Yet, 5 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 5Triangle Area and Integer Finding (in Shapes)
Posted on 2016-07-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Five Pairs of Balls (in Weights and Scales)
Posted on 2016-07-22 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seventh Term Settlement (in Sequences)
Posted on 2016-07-22 by K Sengupta (No Solution Yet, 10 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 5Cute numbers (in Numbers)
Posted on 2016-07-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Primes divide expression? (in Just Math)
Posted on 2016-07-20 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A square within a triangle (in Just Math)
Posted on 2016-07-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Smallest Multiple of 99 (in Just Math)
Posted on 2016-07-19 by K Sengupta (No Solution Yet, 3 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 5Denver is not the issue (in Word Problems)
Posted on 2016-07-18 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Right and Left Digits (in Just Math)
Posted on 2016-07-17 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 5Divisible by 19? (in Numbers)
Posted on 2016-07-15 by Ady TZIDON (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 5Sixty Settlement (in Just Math)
Posted on 2016-07-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Base N Perfect Square Poser (in Just Math)
Posted on 2016-07-13 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 5Consecutive Sums (in Numbers)
Posted on 2016-07-12 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prove SG's theorem (in Just Math)
Posted on 2016-07-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Two Digit Diameter Trial (in Shapes)
Posted on 2016-07-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Poem Ponder (in Cryptography)
Posted on 2016-07-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Multiple Harshad Numbers (in Numbers)
Posted on 2016-07-10 by Jer (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Sum Reals, Get Integer (in Just Math)
Posted on 2016-07-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Amicable pair generator (in Numbers)
Posted on 2016-07-08 by Jer (No Solution Yet, 1 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 5Circle Cover Conclusion (in Shapes)
Posted on 2016-07-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Not too high, not too low (in Just Math)
Posted on 2016-07-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find Counterexamples (in Numbers)
Posted on 2016-07-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sequence starting with 30 (in Numbers)
Posted on 2016-07-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Fibonacci yields Pythagoras (in Sequences)
Posted on 2016-07-05 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5S.O.D = cube root (in Numbers)
Posted on 2016-07-04 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Who said it? (in Cryptography)
Posted on 2016-07-04 by Ady TZIDON (No Solution Yet, 1 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 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 5Pentagonal triple triangles (in Geometry)
Posted on 2016-07-01 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Numerical Anagrams (in Word Problems)
Posted on 2016-06-30 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 54 numbers make 5 squares (in Numbers)
Posted on 2016-06-30 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Square Temperatures (in Just Math) Rating: 1.00
Posted on 2016-06-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Fractions lead to Pythagoreans (in Numbers)
Posted on 2016-06-28 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pandigital pattern (in Numbers)
Posted on 2016-06-28 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Skip to 4th power (in Numbers)
Posted on 2016-06-27 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Square Sum in Pairs (in Just Math)
Posted on 2016-06-27 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 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 5Sum Number and Reversal (in Just Math)
Posted on 2016-06-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Find From Four 2 (in Just Math)
Posted on 2016-06-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Capital City Conclusion 2 (in Word Problems)
Posted on 2016-06-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 52016 and Perfect Square Puzzle (in Just Math)
Posted on 2016-06-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Integer Root Sum (in Just Math)
Posted on 2016-06-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Celsius- A Fahrenheit Multiple? (in Just Math)
Posted on 2016-06-21 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Three vowels (in Word Problems)
Posted on 2016-06-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Circle cuts (in Shapes)
Posted on 2016-06-20 by Math Man (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 5Go for the midpoint (in Geometry) Rating: 2.00
Posted on 2016-06-18 by Ady TZIDON (No Solution Yet, 3 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 5Roman Numeral and Letter Insertion (in Word Problems)
Posted on 2016-06-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digit Finding with Hexadecimal Fibonacci (in Just Math)
Posted on 2016-06-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A transpogram (in Word Problems)
Posted on 2016-06-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Progressive probability (in Probability)
Posted on 2016-06-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Comparing two events (in Probability)
Posted on 2016-06-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Objective: Integer! (in Geometry)
Posted on 2016-06-14 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Arithmetic Product Puzzle 2 (in Sequences)
Posted on 2016-06-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hundred Product Hinder (in Just Math)
Posted on 2016-06-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Duodecimal Digit Product and Number Puzzle (in Just Math)
Posted on 2016-06-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Variable Validation (in Just Math)
Posted on 2016-06-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Squared halves (in Numbers)
Posted on 2016-06-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Infinitely Diophantine (in Just Math)
Posted on 2016-06-10 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 5Random chord problem 2 (in Probability)
Posted on 2016-06-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Term Finding with Floor (in Sequences)
Posted on 2016-06-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Is the sum odd? (in Numbers)
Posted on 2016-06-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Matching pegs (in Probability)
Posted on 2016-06-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Twice 2 products (in Numbers)
Posted on 2016-06-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A recursive sequence (in Sequences)
Posted on 2016-06-06 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Random Sum Resolution (in Probability)
Posted on 2016-06-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Divisible by 96? (in Just Math)
Posted on 2016-06-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Power Sum Proposition (in Just Math)
Posted on 2016-06-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Save our souls (in Games) Rating: 4.00
Posted on 2016-06-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Point Ponder (in Tricks)
Posted on 2016-06-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three expressions - same value (in Just Math)
Posted on 2016-06-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5No fours on my odometer (in Just Math)
Posted on 2016-06-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5King on the run (in Just Math)
Posted on 2016-06-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Quadruple Digit Sum and Number Puzzle (in Just Math)
Posted on 2016-06-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Edge problem (in Geometry)
Posted on 2016-05-31 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Latin verse (in Word Problems)
Posted on 2016-05-31 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5List the expressionist numbers (in Numbers)
Posted on 2016-05-30 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Log Expression Exercise (in Just Math)
Posted on 2016-05-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Finding the fixes (in Numbers)
Posted on 2016-05-29 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Digit Sum Equation Puzzle (in Just Math)
Posted on 2016-05-28 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Power of 2 (in Numbers) Rating: 5.00
Posted on 2016-05-27 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Number From Digit Sum (in Just Math)
Posted on 2016-05-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mark's itinerary (in Probability)
Posted on 2016-05-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 52016 and Simultaneous Settlement (in Just Math) Rating: 4.00
Posted on 2016-05-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Duodecimal Element Sum Settlement (in Just Math)
Posted on 2016-05-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Colored Candy Choice (in Probability)
Posted on 2016-05-25 by Jer (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Wanted: gifted numbers (in Numbers)
Posted on 2016-05-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Laugh, USA (in General)
Posted on 2016-05-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Projection Ponder (in Shapes)
Posted on 2016-05-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 53 integers (in Just Math)
Posted on 2016-05-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Angle Ratio Ascertainment 3 (in Shapes)
Posted on 2016-05-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadratic and Perfect Square Query II (in Just Math)
Posted on 2016-05-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Gambler's policy (in Probability)
Posted on 2016-05-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Differing Schools (in Riddles)
Posted on 2016-05-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A comprehensive list (in Word Problems)
Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A direct count (in Famous Riddles)
Posted on 2016-05-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Four Digit Combination Conclusion (in Sequences)
Posted on 2016-05-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Grid exercise (in Just Math) Rating: 5.00
Posted on 2016-05-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A square problem (in Just Math)
Posted on 2016-05-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5AABBCCDD and Perfect Square (in Just Math)
Posted on 2016-05-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5A cube with missing row (in Numbers)
Posted on 2016-05-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Binomial Baffle 2 (in Just Math)
Posted on 2016-05-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cubic and Quadratic Determination (in Just Math)
Posted on 2016-05-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Two distinct questions (in Just Math)
Posted on 2016-05-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Easy Victory (in Numbers)
Posted on 2016-05-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisible by 198 (in Just Math)
Posted on 2016-05-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Icosahedron addressed (in Geometry)
Posted on 2016-05-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum ArcTan Limit (in Calculus) Rating: 4.00
Posted on 2016-05-11 by K Sengupta (No Solution Yet, 6 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 5Terrific sequence (in Sequences) Rating: 5.00
Posted on 2016-05-10 by Math Man (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Real Expression Ratio Resolution (in Just Math)
Posted on 2016-05-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Polynomial of degree 3n (in Just Math) Rating: 4.00
Posted on 2016-05-07 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Hexagon Hinder 2 (in Shapes) Rating: 4.00
Posted on 2016-05-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Crazy or Sane (in Numbers)
Posted on 2016-05-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Visiting each other (in Just Math)
Posted on 2016-05-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5First Term Finding (in Sequences)
Posted on 2016-05-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5LCM and GCD Equation (in Just Math)
Posted on 2016-05-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5You'll be surprised (in Numbers)
Posted on 2016-05-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Base Baffle (in Just Math)
Posted on 2016-05-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Is it true? (in Just Math) Rating: 3.00
Posted on 2016-05-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quadratic and Perfect Square Query (in Just Math)
Posted on 2016-04-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Four From Arithmetic and Geometric (in Sequences) Rating: 4.00
Posted on 2016-04-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5LCM and GCD Sequence (in Sequences)
Posted on 2016-04-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Much of few is many (in Numbers)
Posted on 2016-04-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5One and only (in Numbers)
Posted on 2016-04-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Think it over (in Logic)
Posted on 2016-04-27 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5No Carry Nuance (in Just Math)
Posted on 2016-04-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52 diagonal sums (in Just Math)
Posted on 2016-04-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5TO and FRO (in Just Math) Rating: 3.00
Posted on 2016-04-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 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: 3 of 5Constant from Four Solutions (in Just Math)
Posted on 2016-04-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Integer Root Illation (in Just Math)
Posted on 2016-04-23 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5The heavy couple (in Weights and Scales)
Posted on 2016-04-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cubic Diophantine Conclusion (in Just Math) Rating: 4.00
Posted on 2016-04-22 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 4 of 5A clever promotion (in Cryptography)
Posted on 2016-04-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Eight Digit Product Poser (in Just Math)
Posted on 2016-04-20 by K Sengupta (No Solution Yet, 1 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 5Mean Integer Illation (in Just Math)
Posted on 2016-04-17 by K Sengupta (No Solution Yet, 1 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 5Proof requested (in Geometry)
Posted on 2016-04-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Three ways - same sum (in Numbers)
Posted on 2016-04-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Complex Ratio and Number Resolution (in Sequences)
Posted on 2016-04-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 51 to 9 concatenation (in Numbers)
Posted on 2016-04-12 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5The only odd untouchable (in Numbers)
Posted on 2016-04-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 52 equal sums (in Just Math)
Posted on 2016-04-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Extreme Palindrome Exercise (in Just Math)
Posted on 2016-04-11 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 5Real Root Product (in Just Math)
Posted on 2016-04-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A Pythagorean triangle (in Numbers) Rating: 5.00
Posted on 2016-04-08 by Ady TZIDON (No Solution Yet, 4 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 5Square Settlement With Digits (in Just Math)
Posted on 2016-04-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Circle Line Length (in Shapes)
Posted on 2016-04-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Tenacious Divisibility Treat (in Just Math)
Posted on 2016-04-06 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 536 forever (in Numbers)
Posted on 2016-04-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Year Yearn 3 (in Just Math)
Posted on 2016-04-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Odd and Even 3 (in Just Math)
Posted on 2016-04-04 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Find this number (in Numbers)
Posted on 2016-04-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Complex Number Query (in Just Math)
Posted on 2016-04-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Nonconstant Product (in Just Math)
Posted on 2016-04-02 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Not a common alphametic (in Just Math)
Posted on 2016-04-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Look for 3 sevens (in Numbers)
Posted on 2016-04-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Harmonic Harmony 2 (in Sequences)
Posted on 2016-03-31 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 54 partitions, same product (in Numbers)
Posted on 2016-03-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quartering a Square (in Shapes)
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: 4 of 5Find Five Fractions (in Just Math) Rating: 4.00
Posted on 2016-03-27 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quadratic and Quintic Query (in Just Math)
Posted on 2016-03-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum from Arithmetic and Geometric (in Sequences)
Posted on 2016-03-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Double Reflection (in Geometry)
Posted on 2016-03-24 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Nonnegative Integer Decision Poser (in Just Math)
Posted on 2016-03-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Neighbors or not? (in Probability)
Posted on 2016-03-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Simultaneous Satisfaction III (in Just Math)
Posted on 2016-03-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rational Value Validation (in Just Math)
Posted on 2016-03-20 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Matrix Product Poser (in Just Math)
Posted on 2016-03-19 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Not so trivial (in Numbers)
Posted on 2016-03-18 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 52 coins (in Probability)
Posted on 2016-03-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Never 0 mod 3 (in Probability)
Posted on 2016-03-17 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Find number and base (in Numbers) Rating: 5.00
Posted on 2016-03-17 by Bractals (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Set Me Up Again (in Numbers)
Posted on 2016-03-16 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Countable sets (in Just Math)
Posted on 2016-03-15 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 4 of 5To-day is Monday & a PIday (in Numbers)
Posted on 2016-03-14 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Hexagon in Complex Plane (in Shapes)
Posted on 2016-03-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tetrahedron Volume Travail (in Shapes)
Posted on 2016-03-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Love is blind (in Numbers)
Posted on 2016-03-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Ring of triangles II (in Geometry)
Posted on 2016-03-10 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5More bouncing (in Geometry)
Posted on 2016-03-09 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Grape Consumption Conclusion (in Just Math) Rating: 2.50
Posted on 2016-03-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 58th Term from Term Product (in Sequences)
Posted on 2016-03-07 by K Sengupta (No Solution Yet, 4 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 5Sum Root Value (in Just Math)
Posted on 2016-03-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The sum is a square (in Numbers)
Posted on 2016-03-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Matryoshka Nesting Primes (in Numbers)
Posted on 2016-03-03 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Ring of triangles I (in Geometry)
Posted on 2016-03-02 by Jer (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: 2 of 513 and 2 (in Numbers)
Posted on 2016-03-01 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Sum 2001 Terms (in Sequences)
Posted on 2016-02-27 by K Sengupta (No Solution Yet, 1 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 5Initial Term Illation (in Sequences)
Posted on 2016-02-25 by K Sengupta (No Solution Yet, 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 5Cheese Cut Conclusion (in Shapes)
Posted on 2016-02-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Geometric and Three Power Travail (in Sequences)
Posted on 2016-02-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The hundreds' digit (in Just Math)
Posted on 2016-02-22 by Ady TZIDON (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: 2 of 5Counting Ten Segment Paths (in General)
Posted on 2016-02-19 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Fifty-fifty? (in Probability)
Posted on 2016-02-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 525 * 1 (in Just Math)
Posted on 2016-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Equal products and sums (in Just Math)
Posted on 2016-02-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 52017 Term Trial (in Just Math)
Posted on 2016-02-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 54 labeled coins (in Weights and Scales) Rating: 3.00
Posted on 2016-02-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 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 5Area From Even Floor (in Just Math)
Posted on 2016-02-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rational Sum (in Just Math)
Posted on 2016-02-15 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Big difference (in Numbers)
Posted on 2016-02-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Integer Illation From Divisibility (in Just Math)
Posted on 2016-02-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Proving a theorem (in Geometry)
Posted on 2016-02-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hexagon Hinder (in Shapes)
Posted on 2016-02-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prove or disprove (in Numbers)
Posted on 2016-02-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Boxes galore (in Numbers)
Posted on 2016-02-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Optimal Order (in Sequences)
Posted on 2016-02-10 by broll (No Solution Yet, 5 Comments)
Difficulty: 2 of 5How high the moon tonight (in Numbers)
Posted on 2016-02-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consecutive Numbers and Subset Choice (in Just Math) Rating: 3.00
Posted on 2016-02-09 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Two Square Settlement (in Shapes)
Posted on 2016-02-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three in a row (in Numbers) Rating: 2.50
Posted on 2016-02-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Interesting representation (in Numbers) Rating: 5.00
Posted on 2016-02-08 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Coefficient From Roots (in Just Math)
Posted on 2016-02-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Power Expressions and Division (in Just Math)
Posted on 2016-02-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Fifty-fifty (in Just Math) Rating: 3.00
Posted on 2016-02-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5a version of NIM (in Games) Rating: 3.00
Posted on 2016-02-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Square in Pascal's triangle (in Just Math)
Posted on 2016-02-03 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Evaluate further probabilities (in Probability)
Posted on 2016-02-03 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Dascal triangle (in Numbers)
Posted on 2016-02-02 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Find From First and Last (in Just Math)
Posted on 2016-02-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mille and Remainder Resolution (in Sequences)
Posted on 2016-02-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Maybe soon (in Numbers)
Posted on 2016-02-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Tangents (in Geometry)
Posted on 2016-01-31 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Constant and Ratio Puzzle (in Just Math)
Posted on 2016-01-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5The real McCoy (in Weights and Scales)
Posted on 2016-01-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5N Nine Nuance (in Just Math)
Posted on 2016-01-29 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Erase the right 90 (in Numbers) Rating: 4.00
Posted on 2016-01-28 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Last term zero (in Sequences)
Posted on 2016-01-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5L, like in like (in Numbers)
Posted on 2016-01-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Illation From Divisors (in Just Math)
Posted on 2016-01-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 55 cubes (in Numbers)
Posted on 2016-01-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Evaluate probabilities (in Probability)
Posted on 2016-01-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Three Jar Trial (in Weights and Scales)
Posted on 2016-01-25 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Floor Function Query (in Just Math)
Posted on 2016-01-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 582 in 82 (in Numbers)
Posted on 2016-01-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5LCM and Combination Conclusion (in Just Math)
Posted on 2016-01-23 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Hypotenuse from Cone (in Shapes)
Posted on 2016-01-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Binary Palindrome and Near Magic Square (in Just Math)
Posted on 2016-01-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Power Verification (in Just Math)
Posted on 2016-01-20 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5You may name it (in Word Problems)
Posted on 2016-01-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Detect my chosen coin (in Games)
Posted on 2016-01-19 by Ady TZIDON (No Solution Yet, 19 Comments)
Difficulty: 3 of 5Powered GCD (in Numbers)
Posted on 2016-01-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 59 coins prob (in Weights and Scales)
Posted on 2016-01-18 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Composite Integer Conclusion (in Just Math)
Posted on 2016-01-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Product equals sum (in Just Math) Rating: 2.00
Posted on 2016-01-17 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Area from Altitude (in Shapes)
Posted on 2016-01-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Infinite Illation Decision 2 (in Just Math)
Posted on 2016-01-15 by K Sengupta (No Solution Yet, 1 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: 3 of 5Maximum Value Muse (in Just Math)
Posted on 2016-01-14 by K Sengupta (No Solution Yet, 10 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 5GCD Relationships (in Just Math)
Posted on 2016-01-12 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Four balloons (in Just Math)
Posted on 2016-01-12 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sine in a Circle (in Shapes)
Posted on 2016-01-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Primevens and primeodds (in Numbers) Rating: 4.00
Posted on 2016-01-10 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Tan Settlement (in Shapes)
Posted on 2016-01-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A math symbol (in Numbers) Rating: 2.00
Posted on 2016-01-08 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Two hexagons (in Just Math)
Posted on 2016-01-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Test #10 (in General)
Posted on 2016-01-07 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Integer Check Conclusion (in Just Math)
Posted on 2016-01-06 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Restricted Rook Runaround (in Games)
Posted on 2016-01-05 by Brian Smith (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Test #9 (in Word Problems)
Posted on 2016-01-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Twenty deposits (in Just Math) Rating: 3.00
Posted on 2016-01-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Arithmetic Triplet Ascertainment (in Just Math)
Posted on 2016-01-03 by K Sengupta (No Solution Yet, 1 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 5Floor and Square Division Settlement (in Just Math) Rating: 4.00
Posted on 2016-01-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Peaceful superqueens (in General)
Posted on 2015-12-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Infinite Illation Decision (in Just Math) Rating: 4.00
Posted on 2015-12-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Two related sequences (in Sequences)
Posted on 2015-12-30 by Jer (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Equiangular Hexagon Query (in Shapes)
Posted on 2015-12-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A five letter word (in Word Problems)
Posted on 2015-12-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5How many eggs? (in Just Math)
Posted on 2015-12-28 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5From pie to numbers (in Numbers)
Posted on 2015-12-27 by Ady TZIDON (No Solution Yet, 14 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 5Expression and Perfect Square 2 (in Just Math) Rating: 3.00
Posted on 2015-12-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Binary Palindrome Square Magic (in Just Math) Rating: 4.00
Posted on 2015-12-24 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 4 of 5Protecting the fleet Part E. (in Calculus) Rating: 4.00
Posted on 2015-12-23 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Power and Digit Poser (in Just Math)
Posted on 2015-12-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pentagon and Reflection Poser (in Shapes)
Posted on 2015-12-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Run away (in Games) Rating: 3.00
Posted on 2015-12-22 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quintic Power Query (in Just Math)
Posted on 2015-12-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 55-2=1 (in Word Problems)
Posted on 2015-12-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Quadratic and Five Variable Query (in Just Math)
Posted on 2015-12-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 580 (in Numbers)
Posted on 2015-12-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Who said it? (in General)
Posted on 2015-12-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Equation Resolution (in Just Math)
Posted on 2015-12-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Triangle Determination (in Shapes)
Posted on 2015-12-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Protecting the fleet Parts C. & D. (in Geometry)
Posted on 2015-12-15 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Who's next (in Sequences)
Posted on 2015-12-15 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5A peculiar pandigital (in Numbers)
Posted on 2015-12-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Protecting the fleet Parts A. & B. (in Geometry)
Posted on 2015-12-14 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Four Digit and Two Digit Treat (in Just Math)
Posted on 2015-12-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Complex Equation Conclusion (in Just Math) Rating: 4.00
Posted on 2015-12-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Using a standard deck (in Numbers)
Posted on 2015-12-11 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A peculiar triangular number (in Numbers)
Posted on 2015-12-10 by Ady TZIDON (No Solution Yet, 2 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 5Show me the moNey (in Numbers) Rating: 3.00
Posted on 2015-12-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A special short-list (in Numbers)
Posted on 2015-12-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fibonaccish ratio (in Sequences) Rating: 3.00
Posted on 2015-12-07 by Jer (No Solution Yet, 3 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 5Cos Case Concern (in Shapes)
Posted on 2015-12-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Two Power Equation Poser (in Just Math)
Posted on 2015-12-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Factorial Division (in Just Math)
Posted on 2015-12-04 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5List of pairs (in Just Math)
Posted on 2015-12-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Variety of divisors (in Numbers)
Posted on 2015-12-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5lcm and power poser (in Just Math) Rating: 2.00
Posted on 2015-12-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Simple conclusion (in Just Math)
Posted on 2015-12-02 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Get the right product (in Just Math)
Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Daylight Saving (in Cryptography)
Posted on 2015-12-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Increasing sequences (in Just Math)
Posted on 2015-11-30 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5No primes here (in Sequences) Rating: 5.00
Posted on 2015-11-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Table's peculiarity (in Just Math)
Posted on 2015-11-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Simultaneous Real Satisfaction (in Just Math)
Posted on 2015-11-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 51-2-3 Square Settlement (in Just Math)
Posted on 2015-11-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Coin contest (in Games) Rating: 5.00
Posted on 2015-11-27 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Pair and Power Poser (in Just Math)
Posted on 2015-11-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Straightedge only (in Geometry)
Posted on 2015-11-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Root factorial (in Numbers)
Posted on 2015-11-25 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square in a notched square (in Geometry)
Posted on 2015-11-25 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Wise Russell (in Tricks) Rating: 5.00
Posted on 2015-11-24 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Biggest and smallest (in Just Math)
Posted on 2015-11-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Complex Number and Power Puzzle (in Just Math)
Posted on 2015-11-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Positive Integer Value Poser (in Just Math)
Posted on 2015-11-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Summing Consecutive Terms and Pair Determination (in Sequences)
Posted on 2015-11-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Generalizing II (in Sequences) Rating: 4.00
Posted on 2015-11-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quadratic and Quartic Query 2 (in Just Math)
Posted on 2015-11-20 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Counting correctly (in Numbers)
Posted on 2015-11-19 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5If you go (in Numbers)
Posted on 2015-11-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sum of powers (in Numbers)
Posted on 2015-11-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Upgrading procedure (in Just Math)
Posted on 2015-11-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Cryptajoke XII (in Cryptography) Rating: 4.50
Posted on 2015-11-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Irrational Decision (in Just Math)
Posted on 2015-11-15 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Quadratic and Cubic Query (in Just Math)
Posted on 2015-11-14 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 59-letter word II (in Sequences)
Posted on 2015-11-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 53c+2v (in Word Problems)
Posted on 2015-11-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sphere Intersections (in Geometry)
Posted on 2015-11-11 by Bractals (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Count the palindromes (in Just Math)
Posted on 2015-11-11 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5….to skin a cat (in Logic)
Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cryptajoke XI (in Cryptography)
Posted on 2015-11-09 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle's bisector theorem (in Geometry)
Posted on 2015-11-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Cons and vows (in Word Problems)
Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Four factors (in Just Math)
Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Matching pairs II (in Word Problems) Rating: 2.00
Posted on 2015-11-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5An interesting matrix (in Sequences)
Posted on 2015-11-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Incircle Points (in Shapes)
Posted on 2015-11-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Zero mod 3 (in Just Math)
Posted on 2015-11-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 510 4 7 10 (in Just Math)
Posted on 2015-11-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prediction (in Tricks)
Posted on 2015-11-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Diophantine Linear and Quadratic (in Just Math) Rating: 3.00
Posted on 2015-11-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quadrilateral Side Query (in Shapes)
Posted on 2015-10-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Incredible, but solvable (in Just Math)
Posted on 2015-10-30 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Term Sum Settlement (in Sequences) Rating: 3.00
Posted on 2015-10-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5No peace (in Word Problems)
Posted on 2015-10-29 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Make up your mind (in Word Problems)
Posted on 2015-10-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Some questions of abundance (in Just Math)
Posted on 2015-10-28 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Real Number Resolution 2 (in Just Math)
Posted on 2015-10-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A canonical representation (in Just Math)
Posted on 2015-10-27 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Numbered Letters IV (in Word Problems)
Posted on 2015-10-26 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Magic matrix (in Just Math)
Posted on 2015-10-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum Equality and Perfect Square (in Just Math)
Posted on 2015-10-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cube Root Sum Puzzle (in Just Math) Rating: 4.00
Posted on 2015-10-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Must differ by 3 (in Just Math)
Posted on 2015-10-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Expression Ratio Limit (in Calculus)
Posted on 2015-10-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Extend the list (in Word Problems)
Posted on 2015-10-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5More ones (in Just Math)
Posted on 2015-10-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Factorizable Expressions (in Just Math)
Posted on 2015-10-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5n-digit ... n-th power (in Numbers)
Posted on 2015-10-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Distinct Values Determination (in Just Math)
Posted on 2015-10-20 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Factorials & factorions (in Numbers) Rating: 5.00
Posted on 2015-10-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum Expression Value Determination (in Just Math) Rating: 3.00
Posted on 2015-10-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Divisibility and Twenty Puzzle (in Just Math)
Posted on 2015-10-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Generalizing (in Geometry)
Posted on 2015-10-16 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Palindromes and Divisibility (in Just Math)
Posted on 2015-10-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Oblong Difference Observation (in Just Math) Rating: 3.00
Posted on 2015-10-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fly's schedule (in Just Math)
Posted on 2015-10-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Coefficient Determination (in Just Math)
Posted on 2015-10-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Same digits - 3 cubes (in Numbers)
Posted on 2015-10-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangular and Square Settlement (in Just Math)
Posted on 2015-10-13 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Sequence Count Conclusion (in Sequences)
Posted on 2015-10-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Count Illation (in Just Math)
Posted on 2015-10-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Count them correctly (in Numbers)
Posted on 2015-10-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Function Existence Exercise (in Just Math)
Posted on 2015-10-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Expression and Perfect Square (in Just Math)
Posted on 2015-10-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Permutations count redux (in Numbers)
Posted on 2015-10-09 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integer Function Finding (in Just Math)
Posted on 2015-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5sum of digits and 100th term (in Sequences)
Posted on 2015-10-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 58 digit rhyme (in Cryptography)
Posted on 2015-10-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Non zero product (in Just Math)
Posted on 2015-10-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Two tree types (in Word Problems) Rating: 1.00
Posted on 2015-10-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digit sum and digit product equality (in Just Math)
Posted on 2015-10-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cryptajoke X (in Just Math)
Posted on 2015-10-06 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Wise and nice (in Word Problems)
Posted on 2015-10-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cubic Expression and Perfect Cube (in Just Math) Rating: 3.00
Posted on 2015-10-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Positive Integer Pair and Division Puzzle (in Just Math)
Posted on 2015-10-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5All are... (in Word Problems) Rating: 1.00
Posted on 2015-10-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Random Choice (in Probability)
Posted on 2015-10-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Phrase find ponder (in Word Problems) Rating: 1.00
Posted on 2015-10-01 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Nine forever (in Just Math) Rating: 4.00
Posted on 2015-09-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Get 010101 (in Logic) Rating: 3.00
Posted on 2015-09-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Missing members (in Sequences)
Posted on 2015-09-29 by Ady TZIDON (No Solution Yet, 0 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 5Extreme Sum Settlement (in Just Math)
Posted on 2015-09-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Integers and Prime Relationship (in Just Math) Rating: 4.00
Posted on 2015-09-27 by K Sengupta (No Solution Yet, 2 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 5Families (in General) Rating: 3.00
Posted on 2015-09-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Quit as a winner (in Games) Rating: 5.00
Posted on 2015-09-24 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Infinite Solution Settlement (in Just Math)
Posted on 2015-09-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Less Than 2015 (in Just Math) Rating: 4.00
Posted on 2015-09-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rook Placement (in Games)
Posted on 2015-09-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Integer Pair and Infinite Puzzle (in Just Math)
Posted on 2015-09-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three Power and Product Divisibility (in Just Math)
Posted on 2015-09-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Expression Product Exercise (in Just Math)
Posted on 2015-09-18 by K Sengupta (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 5C reverses into F (in Numbers) Rating: 1.00
Posted on 2015-09-14 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Number Difference and Erasure Puzzle (in Just Math) Rating: 4.00
Posted on 2015-09-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Square Sum and Square Multiple (in Just Math)
Posted on 2015-09-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Expression Divides Expression (in Just Math)
Posted on 2015-09-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Prime Ratio Possibility (in Just Math)
Posted on 2015-09-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Fair? (in Games) Rating: 4.50
Posted on 2015-09-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Talk to me (in Just Math)
Posted on 2015-09-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Step right up! (in Games)
Posted on 2015-09-09 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Letter Removal Resolution (in Word Problems)
Posted on 2015-09-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5LCM and Equality Puzzle (in Just Math)
Posted on 2015-09-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Three-syllable word (in Tricks)
Posted on 2015-09-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quadratic and Quartic Query (in Just Math) Rating: 4.00
Posted on 2015-09-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Simultaneous Pythagorean Poser 2 (in Just Math)
Posted on 2015-09-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Surprising answer II (in Numbers) Rating: 4.00
Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Six countries (in General)
Posted on 2015-09-04 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Digit Product Puzzle (in Probability)
Posted on 2015-09-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic and Power Puzzle (in Just Math) Rating: 1.00
Posted on 2015-09-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Surprising answer (in Probability)
Posted on 2015-09-02 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Muchos idiomas (in Word Problems)
Posted on 2015-09-01 by Ady TZIDON (No Solution Yet, 1 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 5Homophone Hunt 2 (in Word Problems)
Posted on 2015-08-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Ratio Sum Equals Positive Integer (in Just Math)
Posted on 2015-08-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Root Difference and Seventeen Puzzle (in Just Math) Rating: 3.00
Posted on 2015-08-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Brick Packing Poser (in Shapes)
Posted on 2015-08-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A Fibo quadruplet (in Numbers)
Posted on 2015-08-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Be fruitful and multiply. (in Numbers) Rating: 3.00
Posted on 2015-08-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5What am I ? (in Riddles)
Posted on 2015-08-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divide et impera part two (in Numbers)
Posted on 2015-08-26 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Only 2 answers (in Numbers)
Posted on 2015-08-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hockey pucks (in Logic)
Posted on 2015-08-25 by Ady TZIDON (No Solution Yet, 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: 4 of 5Equal differences (in Numbers)
Posted on 2015-08-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Year and Perfect Square Puzzle (in Just Math)
Posted on 2015-08-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Numbers in pi (in Numbers)
Posted on 2015-08-21 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Visit USA (in General)
Posted on 2015-08-20 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5A self-working card trick (in Tricks)
Posted on 2015-08-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Role Models II (in Riddles)
Posted on 2015-08-18 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Perfect Square Digit (in Just Math)
Posted on 2015-08-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Infinite Triplet and Perfect Square (in Just Math) Rating: 3.00
Posted on 2015-08-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Positive Perfect Cube Sum (in Just Math)
Posted on 2015-08-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Non-perfect Cube Root Sum (in Just Math)
Posted on 2015-08-14 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Rooting for 2015 (in Just Math)
Posted on 2015-08-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Arithmetic Product Puzzle (in Sequences)
Posted on 2015-08-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Power and Divisibility Puzzle (in Just Math)
Posted on 2015-08-12 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Wisecracks (in Word Problems)
Posted on 2015-08-12 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Simpler probability problem? (in Probability)
Posted on 2015-08-11 by Jer (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Ending in 5 (in Just Math)
Posted on 2015-08-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Positive Integer and Power Puzzle (in Logic)
Posted on 2015-08-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Oddday (in Numbers) Rating: 5.00
Posted on 2015-08-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quadratic and Divisibility Puzzle (in Just Math)
Posted on 2015-08-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Number Resolution (in Just Math)
Posted on 2015-08-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Clever counting (in Numbers)
Posted on 2015-08-07 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Largest pandigital prime. (in Numbers)
Posted on 2015-08-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5one 3 or one 7 puzzle (in Just Math)
Posted on 2015-08-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Factorial Ratio Sum Puzzle (in Calculus)
Posted on 2015-08-04 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Odd and Even 2 (in Just Math)
Posted on 2015-08-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Tangent and Area Puzzle (in Shapes)
Posted on 2015-08-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 526 letters needed (in Word Problems)
Posted on 2015-07-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ocean Anagram – Not (in Word Problems)
Posted on 2015-07-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Best guess (in Probability)
Posted on 2015-07-30 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Power Difference Puzzle (in Just Math)
Posted on 2015-07-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Perfect Power Puzzle (in Just Math)
Posted on 2015-07-29 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Pythagorean triplet generator (in Numbers)
Posted on 2015-07-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digit Reversal Puzzle (in Just Math)
Posted on 2015-07-27 by K Sengupta (No Solution Yet, 2 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 5Linear and Quadratic Sum Puzzle (in Just Math)
Posted on 2015-07-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Nine trolls (in Just Math) Rating: 4.00
Posted on 2015-07-23 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5One of the countries (in Word Problems)
Posted on 2015-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Yearly Division (in Just Math)
Posted on 2015-07-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Initial Term Identification (in Sequences)
Posted on 2015-07-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Phrase Reconstruction Puzzle (in Word Problems)
Posted on 2015-07-21 by K Sengupta (No Solution Yet, 5 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 5Simultaneous Real Settlement (in Just Math)
Posted on 2015-07-20 by K Sengupta (No Solution Yet, 2 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: 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 5Side Ratio Resolution (in Shapes)
Posted on 2015-07-18 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pasta wrestling (in Word Problems)
Posted on 2015-07-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Marine Vehicles (in Word Problems) Rating: 1.00
Posted on 2015-07-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Smallest Perfect Cube Puzzle (in Just Math)
Posted on 2015-07-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Pieces of eight (in Just Math)
Posted on 2015-07-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Powers of Ten (in Sequences) Rating: 5.00
Posted on 2015-07-14 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Getting the right count (in Numbers) Rating: 3.00
Posted on 2015-07-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Bean coloring (in Probability) Rating: 4.00
Posted on 2015-07-13 by Jer (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Something is "some night" (in Word Problems)
Posted on 2015-07-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A powerful resemblance. (in Just Math) Rating: 5.00
Posted on 2015-07-12 by broll (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Beginning and End (in Just Math) Rating: 3.00
Posted on 2015-07-11 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Long Reverse Rigor (in Word Problems)
Posted on 2015-07-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Complete and Start Puzzle (in Word Problems)
Posted on 2015-07-10 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Two Word Phrase (in Word Problems)
Posted on 2015-07-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Inverse Quadratic Sum Puzzle (in Just Math)
Posted on 2015-07-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Perfect Square Sum - Not (in Just Math)
Posted on 2015-07-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A radical question (in General)
Posted on 2015-07-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Inverse Expression Exercise (in Just Math)
Posted on 2015-07-07 by K Sengupta (No Solution Yet, 1 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 5From ab to yz (in Word Problems)
Posted on 2015-07-06 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Quartic Sum Determination (in Just Math)
Posted on 2015-07-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Simultaneous Pythagorean Poser (in Just Math)
Posted on 2015-07-04 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Primary problem III (in Numbers) Rating: 5.00
Posted on 2015-07-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A word there is of plural number (in Famous Riddles)
Posted on 2015-07-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Quite a triplet (in Numbers)
Posted on 2015-07-02 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Chinatown's problem (in Numbers)
Posted on 2015-07-02 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 4 of 5One 1 to Six 6's (in Probability)
Posted on 2015-07-01 by Jer (No Solution Yet, 14 Comments)
Difficulty: 2 of 5Mathematical Term (in Word Problems)
Posted on 2015-07-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5More than linear (in Just Math)
Posted on 2015-06-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5How many subsets? (in Just Math)
Posted on 2015-06-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Ship Anagram - Not (in Word Problems) Rating: 1.50
Posted on 2015-06-29 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Product and Pair Sum Puzzle (in Just Math) Rating: 3.00
Posted on 2015-06-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real Polynomial Puzzle (in Just Math)
Posted on 2015-06-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Factorial creates prime (in Numbers)
Posted on 2015-06-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Four Distinct Points (in Geometry)
Posted on 2015-06-25 by Bractals (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seven word phrase (in Word Problems) Rating: 3.00
Posted on 2015-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Put up or shut up (in Word Problems)
Posted on 2015-06-23 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Cubic and Factorial Puzzle (in Just Math)
Posted on 2015-06-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5 Find the lowest n (in Numbers)
Posted on 2015-06-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 53 primes (in Numbers)
Posted on 2015-06-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Harmonic Diophantine Hindrance (in Just Math)
Posted on 2015-06-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5All possible integer determination (in Just Math)
Posted on 2015-06-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Taxation (in Numbers) Rating: 4.00
Posted on 2015-06-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Manliest Cage (in Word Problems) Rating: 3.00
Posted on 2015-06-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Linear and Quadratic Puzzle (in Just Math)
Posted on 2015-06-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Two Fishes (in Word Problems) Rating: 3.00
Posted on 2015-06-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5One triplet out (in Numbers)
Posted on 2015-06-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Expression Quotient Puzzle (in Just Math)
Posted on 2015-06-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5On his way to fitness (in Just Math)
Posted on 2015-06-15 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Which integer was removed? (in Just Math)
Posted on 2015-06-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bivariate Quadratic Puzzle (in Just Math) Rating: 3.00
Posted on 2015-06-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 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 5Yearly Diophantine Puzzle (in Just Math)
Posted on 2015-06-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5p^10 is special (in Numbers)
Posted on 2015-06-12 by Ady TZIDON (No Solution Yet, 1 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 5This And That (in Word Problems)
Posted on 2015-06-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cube root sum equality puzzle (in Just Math)
Posted on 2015-06-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5No direct evaluation (in Numbers)
Posted on 2015-06-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A chain of five (in Word Problems)
Posted on 2015-06-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Eleven Letter Exercise (in Word Problems)
Posted on 2015-06-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Septic Factorization (in Just Math)
Posted on 2015-06-07 by K Sengupta (No Solution Yet, 5 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 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 5Quadratic and Sextic (in Just Math)
Posted on 2015-06-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rational Floor Query (in Just Math)
Posted on 2015-06-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Quotients and Integer Puzzle (in Just Math) Rating: 4.00
Posted on 2015-06-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 51270 *899 (in General)
Posted on 2015-06-02 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Number and Factorial Product Puzzle (in Just Math) Rating: 2.00
Posted on 2015-06-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Phrase Reorder Poser (in Word Problems) Rating: 1.00
Posted on 2015-06-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5All that glitters (in Numbers)
Posted on 2015-05-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cell Entry Expansion (in Games) Rating: 4.00
Posted on 2015-05-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Rational or not? (in Just Math) Rating: 5.00
Posted on 2015-05-29 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5A many chords problem (in Geometry)
Posted on 2015-05-27 by Jer (No Solution Yet, 0 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 5All possible polynomials puzzle (in Just Math) Rating: 4.00
Posted on 2015-05-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Homophone Hindrance (in Word Problems)
Posted on 2015-05-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sinusoidal System (in Just Math)
Posted on 2015-05-24 by Jer (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Proper Power Poser (in Just Math)
Posted on 2015-05-23 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: 3 of 5Powered s.o.d. (in Numbers) Rating: 3.00
Posted on 2015-05-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Three consecutive letters (in Word Problems) Rating: 4.00
Posted on 2015-05-20 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 53 squares and 5 ways puzzle (in Just Math)
Posted on 2015-05-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5In a bar (in Logic)
Posted on 2015-05-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 57G vs 7B (in General)
Posted on 2015-05-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real System Resolution (in Just Math)
Posted on 2015-05-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Positive Pair Poser 2 (in Just Math)
Posted on 2015-05-16 by K Sengupta (No Solution Yet, 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 5Euler on trial (in Numbers)
Posted on 2015-05-14 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5BOW, WRENCH (in Word Problems)
Posted on 2015-05-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5112233....99 scrambled (in Numbers)
Posted on 2015-05-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sextic Settlement (in Just Math) Rating: 3.50
Posted on 2015-05-13 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Product Divides Sum? (in Just Math)
Posted on 2015-05-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5How far can you go? (in Numbers)
Posted on 2015-05-12 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Near Fermat Formulation (in Just Math)
Posted on 2015-05-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5A Quickie, not tricky (in Numbers)
Posted on 2015-05-11 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Sum Root Sum Settlement (in Just Math)
Posted on 2015-05-10 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Positive Pair Poser (in Just Math) Rating: 4.00
Posted on 2015-05-09 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Short advice (in Cryptography)
Posted on 2015-05-08 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Cabbagehead’s neighbors (in Word Problems)
Posted on 2015-05-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rational Square Sum (in Just Math)
Posted on 2015-05-07 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Animal Anagram - Not (in Word Problems)
Posted on 2015-05-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Printer's glitch (in Just Math)
Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5My friend (in Cryptography)
Posted on 2015-05-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Poor primes (in Numbers)
Posted on 2015-05-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A thing whereon all Princes lie (in Famous Riddles)
Posted on 2015-05-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Equality in pentagon (in Geometry) Rating: 3.00
Posted on 2015-05-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real Functions Determination (in Just Math) Rating: 4.00
Posted on 2015-05-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Relationship Satisfaction Settlement (in Just Math)
Posted on 2015-05-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Catch as you catch can (in Numbers)
Posted on 2015-05-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Cryptajoke V (in Cryptography) Rating: 3.00
Posted on 2015-04-30 by Ady TZIDON (No Solution Yet, 1 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 5Odd men out (in Logic)
Posted on 2015-04-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Four Separate Words (in Word Problems)
Posted on 2015-04-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Largest palindrome (in Numbers)
Posted on 2015-04-27 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Is it possible? (in Famous Riddles) Rating: 4.00
Posted on 2015-04-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Seventeen divides expression? (in Just Math)
Posted on 2015-04-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Divisor Determination (in Just Math)
Posted on 2015-04-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Not solvable by computer (?) (in Word Problems)
Posted on 2015-04-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Downward Pair Reading (in Word Problems)
Posted on 2015-04-24 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Consecutive Count (in Sequences)
Posted on 2015-04-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Consecutive Deletion (in Just Math)
Posted on 2015-04-22 by K Sengupta (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 5Number-Sentence Equality (in Word Problems)
Posted on 2015-04-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Island Adventure 2 (in Liars and Knights)
Posted on 2015-04-21 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Geographic entities (in General)
Posted on 2015-04-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5N as a sum of factorials (in Just Math)
Posted on 2015-04-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Arithmetic Quadrilateral (in Shapes)
Posted on 2015-04-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Acute Ascertainment (in Shapes)
Posted on 2015-04-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52012 Lamps (in Games)
Posted on 2015-04-17 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5A Chinese Scene (in Word Problems)
Posted on 2015-04-17 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Some powers decomposed (in Numbers)
Posted on 2015-04-16 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Number Count Conclusion (in Just Math) Rating: 3.00
Posted on 2015-04-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Famous movie quotations (in General)
Posted on 2015-04-14 by Ady TZIDON (No Solution Yet, 4 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 5Non-empty sets element count (in Just Math) Rating: 5.00
Posted on 2015-04-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 1 of 5So what? (in General)
Posted on 2015-04-13 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Deux Power Divisibility (in Algorithms)
Posted on 2015-04-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Side Length Settlement 2 (in Shapes)
Posted on 2015-04-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Two Tree Trial (in Word Problems)
Posted on 2015-04-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Tile flipping (in Just Math) Rating: 4.00
Posted on 2015-04-08 by Jer (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Quadratic Query (in Just Math)
Posted on 2015-04-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Vive la petite différence! (in Paradoxes)
Posted on 2015-04-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cubic Sum Settlement (in Just Math)
Posted on 2015-04-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Rubric (in Just Math)
Posted on 2015-04-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Buddy, can you spare a buck? (in Numbers)
Posted on 2015-04-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Domain and Range (in Just Math)
Posted on 2015-04-02 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The Case of the Mixtup Calendar (in General)
Posted on 2015-04-02 by broll (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reflection Matrix (in Just Math)
Posted on 2015-04-01 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5The Red Rows (in Tricks) Rating: 5.00
Posted on 2015-04-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Function Function Function Function Foray (in Just Math)
Posted on 2015-03-31 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Nine times SSD (in Just Math)
Posted on 2015-03-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5How many solutions? (in Just Math)
Posted on 2015-03-30 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Power Equality Poser (in Just Math) Rating: 3.00
Posted on 2015-03-29 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Distinct Solution Decision (in Just Math)
Posted on 2015-03-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Neighboring tickets (in Numbers)
Posted on 2015-03-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Island Adventure (in Liars and Knights)
Posted on 2015-03-26 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Zero Sum Expression (in Just Math)
Posted on 2015-03-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Win some, lose some II (in Just Math)
Posted on 2015-03-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Long list (in Word Problems)
Posted on 2015-03-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A State of Contradictions (in Word Problems)
Posted on 2015-03-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Growing fast (in Numbers)
Posted on 2015-03-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Phrase a question III (in Word Problems)
Posted on 2015-03-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Polynomial problem (in Just Math)
Posted on 2015-03-22 by Danish Ahmed Khan (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 5123456789 scrambled (in Numbers)
Posted on 2015-03-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Isosceles Crease (in Shapes)
Posted on 2015-03-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Letter Alteration Apprisal (in Word Problems)
Posted on 2015-03-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Find From Four (in Just Math)
Posted on 2015-03-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5+Q-U : Quite Unusual (in Word Problems)
Posted on 2015-03-17 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Log Inequality Illation (in Just Math)
Posted on 2015-03-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pentagon Fraction Minimizing (in Just Math)
Posted on 2015-03-16 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Musical Term - Not (in Word Problems)
Posted on 2015-03-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Linear and Quadratic Square (in Just Math)
Posted on 2015-03-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sum Root Concern (in Just Math) Rating: 3.00
Posted on 2015-03-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 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 5A Quickie (in Numbers)
Posted on 2015-03-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Location, location, location (in Geometry)
Posted on 2015-03-12 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Deux Digit Deduction II (in Just Math)
Posted on 2015-03-12 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Heart and Number (in Word Problems)
Posted on 2015-03-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Squeeze between neighbors (in Numbers)
Posted on 2015-03-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Root sum equals integer (in Just Math)
Posted on 2015-03-10 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Missing Digit II (in Just Math)
Posted on 2015-03-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unity Root Count (in Just Math)
Posted on 2015-03-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Add only F (in Tricks)
Posted on 2015-03-09 by K Sengupta (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: 3 of 5Divisor Count Conclusion (in Just Math)
Posted on 2015-03-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Painting high dimension cubes (in Shapes)
Posted on 2015-03-05 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Find the last member (in Sequences)
Posted on 2015-03-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Line Ratio Resolution (in Shapes) Rating: 5.00
Posted on 2015-03-04 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Minimizing Perimeter (in Shapes)
Posted on 2015-03-04 by Danish Ahmed Khan (No Solution Yet, 15 Comments)
Difficulty: 3 of 5Contradict Goldbach (in Numbers)
Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Phrase a question II (in Numbers)
Posted on 2015-03-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rearranged Resolution II (in Word Problems)
Posted on 2015-03-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Eight Product Exercise (in Sequences) Rating: 4.00
Posted on 2015-03-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Rational Rubric (in Just Math) Rating: 4.00
Posted on 2015-03-01 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Equilateral fun (in Geometry)
Posted on 2015-02-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Back to the Bard (in Cryptography)
Posted on 2015-02-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prime and perfect (in Numbers)
Posted on 2015-02-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cinq Celeb Commonality (in Riddles) Rating: 1.00
Posted on 2015-02-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Point Construction Ponder (in Shapes)
Posted on 2015-02-25 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Next year vs the current year (in Numbers)
Posted on 2015-02-25 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5No other case (in Just Math)
Posted on 2015-02-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Composite prime (in Numbers) Rating: 5.00
Posted on 2015-02-24 by Math Man (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bamboo Baffle (in Riddles)
Posted on 2015-02-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Integer Polynomial Illation (in Just Math)
Posted on 2015-02-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cubic Difference Conclusion (in Just Math) Rating: 4.00
Posted on 2015-02-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Be consistent (in Numbers) Rating: 5.00
Posted on 2015-02-20 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Not too much (in Numbers)
Posted on 2015-02-20 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Double a triangle (in Sequences)
Posted on 2015-02-19 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Repeated Words (in Word Problems)
Posted on 2015-02-19 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A modified die (in Numbers)
Posted on 2015-02-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5The final quantity (in Numbers)
Posted on 2015-02-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Approximating radicals (in Numbers) Rating: 4.00
Posted on 2015-02-17 by Jer (No Solution Yet, 4 Comments)
Difficulty: 2 of 5z is a word (in Word Problems)
Posted on 2015-02-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Golfer Gauge (in Word Problems)
Posted on 2015-02-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Phrase a question I (in Numbers)
Posted on 2015-02-16 by Ady TZIDON (No Solution Yet, 2 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 5Integer Identification (in Just Math) Rating: 3.50
Posted on 2015-02-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5An ancient Egyptian problem (in Just Math)
Posted on 2015-02-13 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Bound the product (in Numbers)
Posted on 2015-02-13 by Ady TZIDON (No Solution Yet, 4 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 5Crime to Meditation (in Word Problems)
Posted on 2015-02-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Inequality (in Just Math)
Posted on 2015-02-11 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Shared by squares (in Algorithms)
Posted on 2015-02-10 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Possibility of restoring (in Just Math) Rating: 3.00
Posted on 2015-02-10 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Total Triplet Treat (in Shapes)
Posted on 2015-02-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A simple gematria (in Numbers) Rating: 5.00
Posted on 2015-02-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The LSD of Prime Numbers (in Numbers)
Posted on 2015-02-08 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Minding mines. (in Just Math)
Posted on 2015-02-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Octic Sum Settlement (in Just Math) Rating: 4.00
Posted on 2015-02-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Very very colourful (in General)
Posted on 2015-02-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Some special sums (in Numbers)
Posted on 2015-02-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Inner Insertion II (in Word Problems)
Posted on 2015-02-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rooting for Roots (in Just Math)
Posted on 2015-02-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Mr Mar & Mrs Bles (in Numbers)
Posted on 2015-02-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Palindromes from Digit Sum Series (in Numbers)
Posted on 2015-02-03 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Profession Pursuit – Not (in Word Problems)
Posted on 2015-02-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Happy Numbers (in Numbers)
Posted on 2015-02-02 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Quite a normal question (in Riddles) Rating: 5.00
Posted on 2015-02-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Real Value Validation (in Just Math)
Posted on 2015-02-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Ellis Number (in Numbers)
Posted on 2015-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find From Floor (in Just Math)
Posted on 2015-01-30 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Integer Triplets with a Difference (in Numbers)
Posted on 2015-01-30 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Self-Terminating Sequence (in Numbers)
Posted on 2015-01-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Date Count Conclusion (in General)
Posted on 2015-01-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Phrase Anagram Ponder (in Word Problems)
Posted on 2015-01-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5ProSum Numbers (in Numbers)
Posted on 2015-01-28 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Antonym Assessment (in Word Problems)
Posted on 2015-01-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Integral Proof (in Numbers)
Posted on 2015-01-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5 Observe and prove (in Just Math)
Posted on 2015-01-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Trigo - 24 (in Just Math)
Posted on 2015-01-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Final Minus Two (in Just Math)
Posted on 2015-01-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Deux Difference Deduction (in Sequences)
Posted on 2015-01-23 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Eliot Ness meets Paul Erdős (in Numbers)
Posted on 2015-01-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Power Expression, Prime? (in Just Math) Rating: 3.00
Posted on 2015-01-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5What price glory? (in Games)
Posted on 2015-01-22 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Deux Digit Deduction (in Just Math)
Posted on 2015-01-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Not hehe (in Word Problems)
Posted on 2015-01-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Square Digit Sum Surmise (in Just Math) Rating: 3.00
Posted on 2015-01-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Easy as One, Two, Three (in Numbers)
Posted on 2015-01-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Occam's Razor (in Logic)
Posted on 2015-01-19 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 54 clues (in Numbers)
Posted on 2015-01-19 by Ady TZIDON (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: 4 of 5Possible or not? (in Just Math) Rating: 4.00
Posted on 2015-01-17 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Squares and Rectangles II (in Just Math)
Posted on 2015-01-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Palindromic Phrase Poser (in Word Problems)
Posted on 2015-01-15 by K Sengupta (No Solution Yet, 4 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 5Three conditions define a triplet (in Just Math)
Posted on 2015-01-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Square Sum Settlement (in Just Math)
Posted on 2015-01-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Celsius Fahrenheit Check (in Just Math)
Posted on 2015-01-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Potato puzzle (in Riddles)
Posted on 2015-01-13 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consecutive Addition (in Word Problems)
Posted on 2015-01-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Integer Divisor Illation (in Just Math)
Posted on 2015-01-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Find the remainder (in Just Math)
Posted on 2015-01-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Derivative Point Determination (in Calculus)
Posted on 2015-01-08 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Next one(s), please (in Sequences) Rating: 4.00
Posted on 2015-01-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Units Digit Determination (in Just Math) Rating: 3.00
Posted on 2015-01-07 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Same Count, Same Sum (in Just Math)
Posted on 2015-01-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5More than a million, less than ten (in Just Math)
Posted on 2015-01-06 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Dates data distribution (in Just Math)
Posted on 2015-01-05 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum and Difference (in Just Math)
Posted on 2015-01-05 by K Sengupta (No Solution Yet, 1 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 5Angle Ascertainment (in Just Math)
Posted on 2015-01-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Match 3 Game (in General)
Posted on 2015-01-02 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum Productive Digits (in Just Math)
Posted on 2014-12-31 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A simple inequality (in Just Math)
Posted on 2014-12-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Binomial Baffle (in Just Math) Rating: 3.00
Posted on 2014-12-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Neither is prime (in Just Math) Rating: 3.00
Posted on 2014-12-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sport Surmise (in Cryptography) Rating: 2.00
Posted on 2014-12-29 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Reverse Role II (in Just Math)
Posted on 2014-12-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Region Area Ascertainment (in Just Math) Rating: 3.00
Posted on 2014-12-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pentagon's constant (in Geometry) Rating: 4.00
Posted on 2014-12-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three Digit Travail (in Probability)
Posted on 2014-12-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hexadecimal Digit Travail (in Just Math)
Posted on 2014-12-25 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Pie Pieces (in Just Math)
Posted on 2014-12-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Omega to Alpha Observation (in Just Math) Rating: 3.00
Posted on 2014-12-23 by K Sengupta (No Solution Yet, 5 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 5Divisible by 28 (in Just Math)
Posted on 2014-12-21 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5The medians of medians (in Just Math) Rating: 4.00
Posted on 2014-12-20 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Arithmetic Numbers Enumeration (in Sequences)
Posted on 2014-12-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Origamic Revisited (in Shapes)
Posted on 2014-12-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5m & n (in Just Math)
Posted on 2014-12-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Floor Fulfilment (in Just Math)
Posted on 2014-12-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Solve in integers (in Just Math)
Posted on 2014-12-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Power Sum Poser (in Just Math)
Posted on 2014-12-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Equation Exercise (in Just Math)
Posted on 2014-12-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Geometric and Harmonic Harmony (in Just Math) Rating: 5.00
Posted on 2014-12-15 by K Sengupta (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: 3 of 5Extreme Cardioid Exercise (in Shapes)
Posted on 2014-12-14 by K Sengupta (No Solution Yet, 0 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 5Cube Difference Deduction (in Just Math) Rating: 5.00
Posted on 2014-12-12 by K Sengupta (No Solution Yet, 2 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: 3 of 5Trigo inequality (in Just Math)
Posted on 2014-12-11 by Danish Ahmed Khan (No Solution Yet, 11 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 5Which is which (in Cryptography) Rating: 4.00
Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Eight distances (in Just Math) Rating: 4.00
Posted on 2014-12-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Nine Factorial Nuance (in Just Math)
Posted on 2014-12-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Distinct sod (in Just Math)
Posted on 2014-12-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Homophone Hunt (in Word Problems)
Posted on 2014-12-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Out of this word (in Word Problems)
Posted on 2014-12-08 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 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 5Going North-East (in Just Math)
Posted on 2014-12-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Nil Carry Nuance (in Just Math)
Posted on 2014-12-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Sibling Birthday Baffle (in Logic)
Posted on 2014-12-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor Equation (in Just Math)
Posted on 2014-12-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Number machine problem 2 (in Algorithms) Rating: 4.00
Posted on 2014-12-02 by Math Man (No Solution Yet, 3 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 5What not? (in General)
Posted on 2014-12-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cuboid Volume Validation (in Shapes)
Posted on 2014-11-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Simultaneous Surmise (in Just Math) Rating: 3.67
Posted on 2014-11-29 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Geometric Sequence Settlement III (in Sequences)
Posted on 2014-11-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Near Pandigital Ponder (in Just Math)
Posted on 2014-11-26 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Extraordinaire (in General) Rating: 2.33
Posted on 2014-11-25 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 1 of 5Fifteen Multiple Muse (in Just Math)
Posted on 2014-11-25 by K Sengupta (No Solution Yet, 1 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 5Harmonic Power Treat (in Just Math)
Posted on 2014-11-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two cities + (in Cryptography)
Posted on 2014-11-21 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5To a fifth of the wind, that pierces us most (in Famous Riddles)
Posted on 2014-11-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Phrase Order Ponder (in Word Problems)
Posted on 2014-11-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Minimum Value Muse 2 (in Just Math)
Posted on 2014-11-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Satisfaction II (in Just Math) Rating: 3.00
Posted on 2014-11-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real Resolution II (in Just Math)
Posted on 2014-11-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Missions impossible (in Just Math)
Posted on 2014-11-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Inconsiderable Integer Illation (in Just Math) Rating: 5.00
Posted on 2014-11-16 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Diophantine Doldrum (in Just Math)
Posted on 2014-11-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Identical Digit Determination (in Just Math)
Posted on 2014-11-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Survival Surmise (in Logic)
Posted on 2014-11-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Hours of Operation (in Numbers) Rating: 3.00
Posted on 2014-11-12 by Paul (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Austria or Italy ? (in Just Math)
Posted on 2014-11-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Composite Sum Satisfaction (in Just Math) Rating: 5.00
Posted on 2014-11-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Eighty Four Exercise (in Just Math)
Posted on 2014-11-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reverse Resolution (in Word Problems)
Posted on 2014-11-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5M-D Sequences (in Just Math)
Posted on 2014-11-09 by Bractals (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Complex Conclusion II (in Just Math)
Posted on 2014-11-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Arrival Appraisal (in Science)
Posted on 2014-11-07 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 5Balancing weights (in Weights and Scales) Rating: 3.00
Posted on 2014-11-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Supreme Red Sox Surmise (in Probability)
Posted on 2014-11-06 by K Sengupta (No Solution Yet, 2 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: 2 of 5Pokemon (in Sequences)
Posted on 2014-11-05 by Math Man (No Solution Yet, 0 Comments)
Difficulty: 3 of 5RMS Rigor (in Just Math) Rating: 4.00
Posted on 2014-11-04 by K Sengupta (No Solution Yet, 4 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 5Quadrilateral Quandary (in Shapes)
Posted on 2014-11-02 by K Sengupta (No Solution Yet, 1 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 5Friendship paradox (in Paradoxes) Rating: 4.00
Posted on 2014-10-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Chairs galore (in Just Math)
Posted on 2014-10-31 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Identical Digit Baffle II (in Just Math)
Posted on 2014-10-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Reply to this (in Just Math)
Posted on 2014-10-30 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Letter Deletion Deduction (in Word Problems)
Posted on 2014-10-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Angle evaluating (in Geometry)
Posted on 2014-10-28 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Analyzing change (in Just Math) Rating: 3.00
Posted on 2014-10-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Hat #9 (in Word Problems)
Posted on 2014-10-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Word Containment Contemplation (in Word Problems)
Posted on 2014-10-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Uncommonly Common (in Riddles)
Posted on 2014-10-25 by K Sengupta (No Solution Yet, 4 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: 2 of 5Performance Probe (in Logic)
Posted on 2014-10-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Curious concatenations (in Numbers)
Posted on 2014-10-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Extending tic-tac-toe (in Just Math)
Posted on 2014-10-23 by Ady TZIDON (No Solution Yet, 6 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 5Distinct Decimal Digits (in Numbers)
Posted on 2014-10-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Farmer Giles (in Just Math)
Posted on 2014-10-21 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cuisine Conclusion II (in Word Problems) Rating: 5.00
Posted on 2014-10-20 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Switch Settlement (in Logic)
Posted on 2014-10-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Geometric, Arithmetic and Harmonic Harness (in Sequences) Rating: 3.00
Posted on 2014-10-19 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cot Ratio Conclusion (in Just Math)
Posted on 2014-10-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5What is missing? (in Sequences)
Posted on 2014-10-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Half odd, half even (in Numbers)
Posted on 2014-10-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Distinct Values Validation (in Just Math)
Posted on 2014-10-16 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Reverse Role (in Just Math) Rating: 3.00
Posted on 2014-10-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5My products (in General)
Posted on 2014-10-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ternary Sum Travail (in Probability)
Posted on 2014-10-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Open, Sesame! (in Probability)
Posted on 2014-10-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Dozen Word Amalgamation (in Word Problems)
Posted on 2014-10-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5A versatile number (in Numbers) Rating: 5.00
Posted on 2014-10-13 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Greatest GCD (in Sequences)
Posted on 2014-10-12 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Arithmetic and Geometric Addle (in Sequences)
Posted on 2014-10-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Optimal location (in Just Math)
Posted on 2014-10-10 by Art M (No Solution Yet, 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 5Minimum value with 75 (in Just Math) Rating: 2.50
Posted on 2014-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Draw and go (in Probability)
Posted on 2014-10-08 by Ady TZIDON (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Counting Crossings (in Geometry) Rating: 4.00
Posted on 2014-10-08 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Odd people 2 (in Liars and Knights) Rating: 2.67
Posted on 2014-10-07 by Math Man (No Solution Yet, 2 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: 2 of 5My total is a brilliant gem (in Famous Riddles)
Posted on 2014-10-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor Sum Formulation (in Just Math)
Posted on 2014-10-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Continued Fraction Satisfaction (in Just Math)
Posted on 2014-10-04 by K Sengupta (No Solution Yet, 1 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: 2 of 5Recruiting Crisis (in Algorithms)
Posted on 2014-10-03 by Dustin (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Defrosting the Cone (in Calculus)
Posted on 2014-10-02 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Inverse Power Pact (in Just Math)
Posted on 2014-10-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Why and when (in General)
Posted on 2014-10-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Get them up (in Just Math) Rating: 4.00
Posted on 2014-10-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Consecutive Conclusion (in Just Math) Rating: 3.00
Posted on 2014-09-30 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 2 of 5X L's from rolling TdL (in Probability)
Posted on 2014-09-30 by Dustin (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Square Result Rumination (in Just Math)
Posted on 2014-09-28 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Simultaneous Satisfaction (in Just Math)
Posted on 2014-09-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cubic Minimum (in Just Math)
Posted on 2014-09-26 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Moving target (in Shapes)
Posted on 2014-09-25 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Suicide Sequitur (in Riddles)
Posted on 2014-09-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mary, Mary, Quite Orderly (in Just Math)
Posted on 2014-09-24 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Rectangle Color Rigor (in Just Math) Rating: 3.00
Posted on 2014-09-23 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cinq Digit Choice (in Probability)
Posted on 2014-09-22 by K Sengupta (No Solution Yet, 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 5Nine Marbles (in Weights and Scales) Rating: 4.00
Posted on 2014-09-20 by K Sengupta (No Solution Yet, 4 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 53x3 Grid Logic II (in Logic)
Posted on 2014-09-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Cuisine Conclusion (in Cryptography)
Posted on 2014-09-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Simultaneous Base Baffle (in Just Math) Rating: 4.00
Posted on 2014-09-17 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 1 of 5How many 2010s? (in Just Math)
Posted on 2014-09-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 51 to 8 in 5*5 grid (in Word Problems)
Posted on 2014-09-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Interior Angle Aggregate (in Shapes)
Posted on 2014-09-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Adding to rolls (in Probability)
Posted on 2014-09-15 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Value Deduction (in Just Math) Rating: 5.00
Posted on 2014-09-14 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Cubic Quandary (in Calculus)
Posted on 2014-09-13 by Dustin (No Solution Yet, 2 Comments)
Difficulty: 3 of 54 cents (in Shapes)
Posted on 2014-09-12 by Jer (No Solution Yet, 11 Comments)
Difficulty: 4 of 5Inherited Veracity II (in Liars and Knights)
Posted on 2014-09-12 by Dustin (No Solution Yet, 2 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 5Test #6 (in General)
Posted on 2014-09-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Digital Time (in General)
Posted on 2014-09-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Comparing weights (in Weights and Scales)
Posted on 2014-09-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Beach Baffle (in Logic)
Posted on 2014-09-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Rooted to the Floor II (in Just Math)
Posted on 2014-09-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Identical Digit Baffle (in Just Math)
Posted on 2014-09-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Sequence of subsets (in Just Math)
Posted on 2014-09-06 by Bractals (No Solution Yet, 0 Comments)
Difficulty: 3 of 52 pandigital equations (in Numbers)
Posted on 2014-09-05 by Ady TZIDON (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: 3 of 5Distinct Delivery Deduction (in Just Math)
Posted on 2014-09-04 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 2 of 52015 digits (in Just Math)
Posted on 2014-09-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sparse Sine Settlement (in Just Math)
Posted on 2014-09-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5World War I sword (in Riddles)
Posted on 2014-09-02 by Danish Ahmed Khan (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: 3 of 5Triangular Triangulation (in Just Math)
Posted on 2014-08-30 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 53 cents (in Shapes)
Posted on 2014-08-29 by Jer (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 5Distinct Products (in Just Math)
Posted on 2014-08-28 by K Sengupta (No Solution Yet, 0 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 5Tetrahedra Trial (in Shapes)
Posted on 2014-08-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A PowerSum Puzzle (in Numbers)
Posted on 2014-08-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Concavity (in Calculus) Rating: 4.00
Posted on 2014-08-26 by Dustin (No Solution Yet, 2 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 5Mathematician Muse (in General)
Posted on 2014-08-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Stranger Danger (in Famous Riddles)
Posted on 2014-08-25 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5 Trigonometric progression (in Just Math)
Posted on 2014-08-24 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The Real Cyclic Quad (in Geometry) Rating: 1.50
Posted on 2014-08-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Polynomial Ponder II (in Just Math) Rating: 4.00
Posted on 2014-08-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5One up (in Probability)
Posted on 2014-08-22 by Larry (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Three tasks (in Just Math)
Posted on 2014-08-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Crazy clues (in General)
Posted on 2014-08-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Grandma's age (in Just Math) Rating: 2.00
Posted on 2014-08-20 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Square Cut (in Shapes)
Posted on 2014-08-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pandigital Ponder II (in Just Math)
Posted on 2014-08-19 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Test #4 (in General)
Posted on 2014-08-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quaint Quadruplets (in Just Math)
Posted on 2014-08-18 by K Sengupta (No Solution Yet, 3 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: 3 of 5Six tangents (in Just Math)
Posted on 2014-08-17 by Danish Ahmed Khan (No Solution Yet, 8 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 5Three subsets (in Just Math) Rating: 5.00
Posted on 2014-08-15 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 2 of 5Quadruplet Query (in Just Math) Rating: 3.00
Posted on 2014-08-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pandigital Ponder (in Just Math)
Posted on 2014-08-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Test #3 (in General)
Posted on 2014-08-13 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Some Triangles Sum 2014 (in Just Math)
Posted on 2014-08-12 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Octahedron Vertex Ponder (in Probability)
Posted on 2014-08-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Unknown Power Ponder (in Just Math)
Posted on 2014-08-11 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Unity Utility (in Just Math)
Posted on 2014-08-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Line Division (in Shapes)
Posted on 2014-08-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fraction Sum Satisfaction (in Just Math)
Posted on 2014-08-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Coefficient Conclusion (in Just Math)
Posted on 2014-08-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Members' quorum (in Numbers)
Posted on 2014-08-07 by Ady TZIDON (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 5Tiling Trial II (in Shapes)
Posted on 2014-08-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Identity Satisfaction (in Just Math)
Posted on 2014-08-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Done? No need? ...UNDO! (in Word Problems)
Posted on 2014-08-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Test #2 (in General)
Posted on 2014-08-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Palindrome Ponder (in Just Math)
Posted on 2014-08-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor Log Formulation (in Probability)
Posted on 2014-08-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sixes and Sevens (in Just Math)
Posted on 2014-08-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Mnemonics (in General)
Posted on 2014-08-01 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Log Divisor Sum (in Just Math) Rating: 3.00
Posted on 2014-08-01 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Isolated Number Illation (in Just Math)
Posted on 2014-07-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Square Squares Settlement (in Shapes)
Posted on 2014-07-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Date Disclosure (in General)
Posted on 2014-07-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Date Deduction (in Logic)
Posted on 2014-07-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Triangle Texture (in Shapes)
Posted on 2014-07-28 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: 3 of 5The decisive straw (in Probability)
Posted on 2014-07-25 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Testy Triplet Treat II (in Just Math)
Posted on 2014-07-25 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Tiling Trial (in Shapes)
Posted on 2014-07-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Choose-Product Conclusion (in Just Math)
Posted on 2014-07-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Orange Outlook (in Just Math)
Posted on 2014-07-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Reverse Rigor II (in Just Math)
Posted on 2014-07-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pentagon in a Circle (in Shapes)
Posted on 2014-07-19 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Poem Ponder (in Cryptography)
Posted on 2014-07-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Vertex Coloring Conclusion (in Just Math)
Posted on 2014-07-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ten Words (6) (in Word Problems)
Posted on 2014-07-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Proportion Description (in Shapes)
Posted on 2014-07-16 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5n2m or m2n ? (in Just Math)
Posted on 2014-07-16 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Quiz Quandary III (in Logic) Rating: 3.50
Posted on 2014-07-15 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Chess Chance (in Games)
Posted on 2014-07-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Heptadecagon Hinder (in Shapes)
Posted on 2014-07-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum Power Digit Determination (in Just Math)
Posted on 2014-07-12 by K Sengupta (No Solution Yet, 4 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: 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 5Union of squares (in Shapes)
Posted on 2014-07-09 by Jer (No Solution Yet, 10 Comments)
Difficulty: 2 of 5 Generating a square (in Just Math)
Posted on 2014-07-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor and Fraction Formulation (in Just Math)
Posted on 2014-07-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mean Muse II (in Just Math)
Posted on 2014-07-06 by K Sengupta (No Solution Yet, 1 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 5Base Conversion Conclusion (in Algorithms)
Posted on 2014-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An equation (in Just Math)
Posted on 2014-07-03 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Safe Crack III (in Just Math) Rating: 1.00
Posted on 2014-07-02 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Arctan Appraisal (in Just Math)
Posted on 2014-07-01 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5End and Begin II (in Word Problems)
Posted on 2014-06-30 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Some dinner! (in Cryptography)
Posted on 2014-06-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Floor Prime? (in Just Math)
Posted on 2014-06-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Leonardo's game (in Games)
Posted on 2014-06-27 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Weather Wangle (in Word Problems)
Posted on 2014-06-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Six Term Settlement (in Just Math) Rating: 4.00
Posted on 2014-06-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Fibo again (in Numbers)
Posted on 2014-06-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5F. to P. generator (in Numbers) Rating: 5.00
Posted on 2014-06-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5scitemahpla II (in Word Problems) Rating: 2.00
Posted on 2014-06-25 by Ady TZIDON (No Solution Yet, 5 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 5Smarandache Settlement (in Just Math) Rating: 1.00
Posted on 2014-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Marble Muse (in Just Math) Rating: 4.00
Posted on 2014-06-23 by K Sengupta (No Solution Yet, 2 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: 3 of 52+2=4 is true (in Just Math)
Posted on 2014-06-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Taking the Fifth (in Just Math)
Posted on 2014-06-21 by broll (No Solution Yet, 5 Comments)
Difficulty: 3 of 53 more hats II (in General)
Posted on 2014-06-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Minimum Value Muse (in Just Math)
Posted on 2014-06-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Date cubes ENUMERATION (in Sequences)
Posted on 2014-06-19 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Diagram Dilemma (in Just Math) Rating: 1.00
Posted on 2014-06-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A tall tower (in Geometry)
Posted on 2014-06-18 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Validity Vindication (in Shapes)
Posted on 2014-06-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5RMS Resolution (in Shapes)
Posted on 2014-06-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Harmonic Harmony (in Shapes)
Posted on 2014-06-16 by K Sengupta (No Solution Yet, 1 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: 3 of 5First Names (in Word Problems)
Posted on 2014-06-15 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Reptile Resolution (in Word Problems)
Posted on 2014-06-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Arithmetic Grid II (in Just Math)
Posted on 2014-06-12 by Jer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three Product Tease (in Just Math)
Posted on 2014-06-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ninety-Nine Nuance (in Just Math) Rating: 3.00
Posted on 2014-06-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Chamsonel Problem VII (in Liars and Knights) Rating: 1.00
Posted on 2014-06-11 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 5The mad hatter (in Word Problems)
Posted on 2014-06-09 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Performer Resolution II (in Cryptography)
Posted on 2014-06-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cardboard Conclusion (in Shapes) Rating: 3.00
Posted on 2014-06-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Yankee dollar (in Just Math)
Posted on 2014-06-06 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5Non Sloane Muse (in Sequences)
Posted on 2014-06-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Digit Trial (in Just Math)
Posted on 2014-06-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Elementary is easy (in Sequences)
Posted on 2014-06-04 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Sum Settlement (in Just Math)
Posted on 2014-06-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Fuel Feat (in Just Math)
Posted on 2014-06-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Safe Crack II (in Just Math)
Posted on 2014-06-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ninety nine coins plus one catch (in Weights and Scales)
Posted on 2014-06-01 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Arithmetic Grid (in Just Math) Rating: 5.00
Posted on 2014-05-30 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 5Inverse Square Sum (in Just Math) Rating: 1.00
Posted on 2014-05-28 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Money Division Muse (in Just Math) Rating: 4.00
Posted on 2014-05-27 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Synonym Creation (in Word Problems)
Posted on 2014-05-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Representation Initiation (in Just Math)
Posted on 2014-05-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Floor Limit (in Calculus)
Posted on 2014-05-26 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Eight Embodiment (in Just Math) Rating: 4.00
Posted on 2014-05-25 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Bricks and Box Baffle (in Shapes)
Posted on 2014-05-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Year Yearn (in General)
Posted on 2014-05-23 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Harmonic Sequence Settlement (in Just Math)
Posted on 2014-05-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Integer Divisibility Dilemma II (in Just Math) Rating: 3.00
Posted on 2014-05-22 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Antonym Ascertainment II (in General)
Posted on 2014-05-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Array Assignment (in Just Math)
Posted on 2014-05-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Side Length Settlement (in Shapes)
Posted on 2014-05-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Make one hundred (in Numbers) Rating: 5.00
Posted on 2014-05-17 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Guessing Game (in Numbers) Rating: 5.00
Posted on 2014-05-16 by tomarken (No Solution Yet, 18 Comments)
Difficulty: 3 of 5Expected of each (in Probability)
Posted on 2014-05-15 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Sequence containing itself (in Numbers)
Posted on 2014-05-14 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Attack Assay (in Probability)
Posted on 2014-05-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quiz Score Settlement (in Liars and Knights) Rating: 1.00
Posted on 2014-05-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Expected Smaller (in Probability)
Posted on 2014-05-12 by Jer (No Solution Yet, 2 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 5Repdigit Rigor (in Just Math)
Posted on 2014-05-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Baby Blue (in Probability) Rating: 3.00
Posted on 2014-05-08 by tomarken (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Three Digit Trial (in Just Math)
Posted on 2014-05-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Synonym Surveillance (in Word Problems)
Posted on 2014-05-06 by K Sengupta (No Solution Yet, 3 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 5Mobile Phone Muse (in Logic)
Posted on 2014-05-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Digital Prime (in Just Math)
Posted on 2014-05-04 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 5Powerful Divisor (in Just Math)
Posted on 2014-05-01 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 2 of 5A Chamsonel Problem VI (in Liars and Knights)
Posted on 2014-05-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Making a Multiple of Four (in Numbers)
Posted on 2014-04-30 by Brian Smith (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Entertain Every Value? (in Just Math)
Posted on 2014-04-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Egg Exertion (in Just Math)
Posted on 2014-04-28 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 5Fold Judgement III (in Shapes) Rating: 4.00
Posted on 2014-04-26 by K Sengupta (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 5Wallet Wangle (in Liars and Knights) Rating: 5.00
Posted on 2014-04-24 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: 2 of 5Odd and Even (in Just Math)
Posted on 2014-04-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 55 Digit Number III (in Just Math)
Posted on 2014-04-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Limiting Ratio II (in Calculus)
Posted on 2014-04-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Odd numbers (in Numbers)
Posted on 2014-04-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mean Muse (in Just Math)
Posted on 2014-04-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5No way to win (in General)
Posted on 2014-04-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Murderer Detection (in Riddles) Rating: 3.00
Posted on 2014-04-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Cubic Sequence? (in Sequences)
Posted on 2014-04-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mod 3 alphametics (in Just Math)
Posted on 2014-04-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5My phone is 2543663 (in Probability) Rating: 4.00
Posted on 2014-04-15 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Pseudo-FIBO (in Sequences)
Posted on 2014-04-14 by Ady TZIDON (No Solution Yet, 5 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: 4 of 5The right subset (in Word Problems)
Posted on 2014-04-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Sequence Settlement II (in Just Math) Rating: 3.00
Posted on 2014-04-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Synonym Set (in Word Problems)
Posted on 2014-04-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Cards (in Logic)
Posted on 2014-04-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Integer Divisibility Dilemma (in Just Math) Rating: 4.00
Posted on 2014-04-10 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Family Murder Muse (in Logic)
Posted on 2014-04-09 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5A Quicky III (in Numbers) Rating: 5.00
Posted on 2014-04-09 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Consecutive Trio (in Just Math)
Posted on 2014-04-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Veracity Verification II (in Logic)
Posted on 2014-04-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5No-primes sequence (in Numbers)
Posted on 2014-04-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Positively Palindromic (in Just Math)
Posted on 2014-04-06 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Fold Ratio (in Shapes)
Posted on 2014-04-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Directly from Lucas (in Sequences)
Posted on 2014-04-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reverse Rigor (in Just Math)
Posted on 2014-04-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Intriguing Integral Illation II (in Calculus)
Posted on 2014-04-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5A Quicky II (in Numbers)
Posted on 2014-04-03 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Singer Settlement II (in General)
Posted on 2014-04-02 by K Sengupta (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 5Tennis Tease II (in Logic)
Posted on 2014-04-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Wooden Wangle (in Logic)
Posted on 2014-03-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisible by 27? (in Just Math)
Posted on 2014-03-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Ternary train (in Just Math)
Posted on 2014-03-28 by Ady TZIDON (No Solution Yet, 3 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 5Primes vs ones (in Numbers)
Posted on 2014-03-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A Chamsonel Problem V (in Liars and Knights) Rating: 1.00
Posted on 2014-03-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Harmless? (in General)
Posted on 2014-03-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Same Six Digits (in Just Math)
Posted on 2014-03-26 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Words count (in Numbers)
Posted on 2014-03-25 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5How high? (in Numbers) Rating: 4.00
Posted on 2014-03-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A coded phrase (in General)
Posted on 2014-03-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5In pi at last (in Sequences)
Posted on 2014-03-24 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Factorial-Square Sum (in Just Math)
Posted on 2014-03-23 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Simultaneous Settlement IV (in Just Math)
Posted on 2014-03-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Coded Sentences (in Cryptography)
Posted on 2014-03-21 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 5Solution or solutions (in Sequences)
Posted on 2014-03-20 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Word Wangle (in Word Problems)
Posted on 2014-03-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Town Trends (in Logic)
Posted on 2014-03-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5About two and seven (in Numbers)
Posted on 2014-03-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5House Assignment (in Logic)
Posted on 2014-03-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum Divisibility Dilemma (in Just Math)
Posted on 2014-03-18 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Safe Crack (in Just Math) Rating: 3.00
Posted on 2014-03-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Seven come eleven II (in Numbers)
Posted on 2014-03-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Summing the factorials (in Numbers)
Posted on 2014-03-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5The famous card players (in General)
Posted on 2014-03-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Last Digit II (in Just Math) Rating: 5.00
Posted on 2014-03-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bridge Baffle (in Just Math)
Posted on 2014-03-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime Equation (in Just Math)
Posted on 2014-03-12 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5House Identification (in Logic)
Posted on 2014-03-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5A permuted multiplication (in Numbers)
Posted on 2014-03-11 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Store Stopover (in Logic)
Posted on 2014-03-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Some Powers Sum Power (in Just Math)
Posted on 2014-03-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Chair Cue (in Logic)
Posted on 2014-03-07 by K Sengupta (No Solution Yet, 2 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: 2 of 5Bet Brood (in Probability)
Posted on 2014-03-06 by K Sengupta (No Solution Yet, 1 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 5A partial deck (in Numbers)
Posted on 2014-03-05 by Ady TZIDON (No Solution Yet, 3 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 5Formula Formulation (in Just Math)
Posted on 2014-03-03 by K Sengupta (No Solution Yet, 4 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: 3 of 5Minimizing Trigo value (in Numbers) Rating: 4.00
Posted on 2014-03-02 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Switching Teams (in Probability) Rating: 4.00
Posted on 2014-02-28 by tomarken (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Minimum Integer (in Just Math)
Posted on 2014-02-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Reverso (in Numbers)
Posted on 2014-02-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Special polygon (in Shapes)
Posted on 2014-02-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5sum Up (in Numbers)
Posted on 2014-02-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Bullseye II (in Logic)
Posted on 2014-02-25 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Neighbor Ponder (in Liars and Knights)
Posted on 2014-02-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Riding the time machine (in General)
Posted on 2014-02-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5All Odds (in Numbers)
Posted on 2014-02-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Penta-Quadratic (in Just Math) Rating: 4.00
Posted on 2014-02-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Overlapping Triangles (in Geometry)
Posted on 2014-02-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Naturally Geometric (in Just Math)
Posted on 2014-02-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5More mean median mode (in Just Math)
Posted on 2014-02-21 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Absolutely Greatest II (in Just Math) Rating: 3.00
Posted on 2014-02-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Mean = median (in Just Math)
Posted on 2014-02-20 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Musicians (in Logic)
Posted on 2014-02-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Absolute Value Muse (in Just Math) Rating: 4.00
Posted on 2014-02-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Get a good look (in Calculus)
Posted on 2014-02-18 by Jer (No Solution Yet, 5 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 5The Equiangular Hexagon (in Geometry)
Posted on 2014-02-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Six sets (in Numbers)
Posted on 2014-02-17 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Red Area (in Shapes)
Posted on 2014-02-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Equal areas (in Geometry)
Posted on 2014-02-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5What did I miss? (in Just Math)
Posted on 2014-02-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5lcm reflection (in Just Math)
Posted on 2014-02-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Staircase tilings (in Shapes)
Posted on 2014-02-13 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Will Wangle (in Just Math)
Posted on 2014-02-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Detective Deduction (in General)
Posted on 2014-02-12 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: 3 of 5Remove last three to get cube root (in Numbers)
Posted on 2014-02-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Do you like mushrooms? (in General)
Posted on 2014-02-10 by Ady TZIDON (No Solution Yet, 3 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 5Cards In A Circle (in General)
Posted on 2014-02-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reciprocal composition is reciprocal. (in Just Math)
Posted on 2014-02-08 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Primes square (in Just Math) Rating: 3.00
Posted on 2014-02-07 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Alphametic Base Baffle (in Just Math)
Posted on 2014-02-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Area Ascertainment (in Shapes)
Posted on 2014-02-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An after-dinner enigma (in Just Math)
Posted on 2014-02-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Skirmish (in Logic)
Posted on 2014-02-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 53 after 4 (in Sequences)
Posted on 2014-02-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5My crazy die (in Probability)
Posted on 2014-02-03 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Smallest Integer Determination (in Just Math)
Posted on 2014-02-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Bisection In a triangle (in Geometry)
Posted on 2014-02-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Deduction Problem (in Numbers)
Posted on 2014-01-31 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pumpkins 4 (in Weights and Scales) Rating: 4.00
Posted on 2014-01-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Four special squares (in Numbers)
Posted on 2014-01-30 by Ady TZIDON (No Solution Yet, 5 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 5Passing On A Track (in Just Math) Rating: 3.00
Posted on 2014-01-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Lets Concatenate (in Just Math)
Posted on 2014-01-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Hockey Preference (in Logic)
Posted on 2014-01-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Potluck Dinner (in Logic)
Posted on 2014-01-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5N & n (in Just Math)
Posted on 2014-01-27 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 53 INCIRCLES (in Geometry) Rating: 3.00
Posted on 2014-01-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Coded Crossword 2 (in Cryptography) Rating: 5.00
Posted on 2014-01-24 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pumpkins 3 (in Weights and Scales) Rating: 4.00
Posted on 2014-01-22 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Tribe Travail (in Liars and Knights)
Posted on 2014-01-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Which is Which III (in Liars and Knights)
Posted on 2014-01-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Incircles in equilateral triangles (in Geometry)
Posted on 2014-01-18 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Real Resolution (in Just Math) Rating: 3.50
Posted on 2014-01-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some Squares Sum Year (in Just Math)
Posted on 2014-01-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Summing up the dividers' dividers (in Numbers)
Posted on 2014-01-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Repeated Digits (in Sequences)
Posted on 2014-01-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Numerators sum also (in Numbers)
Posted on 2014-01-13 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hustler Duo Determination (in Logic)
Posted on 2014-01-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pentagon in a semicircle (in Geometry)
Posted on 2014-01-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Narrow Escapes (in Logic) Rating: 2.00
Posted on 2014-01-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Find that decade (in Just Math)
Posted on 2014-01-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Palindromic and p-gonal (in Just Math)
Posted on 2014-01-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5120 Breeds 90 (in Geometry) Rating: 3.00
Posted on 2014-01-04 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Simple trigo (in Geometry)
Posted on 2014-01-03 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Primed and Perfect (in Just Math)
Posted on 2014-01-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Supreme Subset (in Just Math)
Posted on 2014-01-02 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5all squares (in Geometry)
Posted on 2014-01-01 by Danish Ahmed Khan (No Solution Yet, 1 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 5Pairagrams (in Word Problems)
Posted on 2013-12-31 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Boys' names (in Word Problems) Rating: 5.00
Posted on 2013-12-30 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Trigonometric product (in Numbers)
Posted on 2013-12-29 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Going Maximum With Harmonic (in Just Math)
Posted on 2013-12-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Settlement III (in Just Math)
Posted on 2013-12-27 by K Sengupta (No Solution Yet, 1 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: 2 of 5Algebra and Primes (in Numbers) Rating: 4.00
Posted on 2013-12-25 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Tic Tac Toe II (in Probability)
Posted on 2013-12-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Hidden Animals (in General)
Posted on 2013-12-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rationally Integers II (in Just Math)
Posted on 2013-12-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Fight (in Logic) Rating: 3.00
Posted on 2013-12-20 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Hats revisited (in Probability)
Posted on 2013-12-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Some Powers Sum Square II (in Just Math)
Posted on 2013-12-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5All 1's (in Numbers)
Posted on 2013-12-14 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Six Letter Strikeout (in Tricks) Rating: 3.00
Posted on 2013-12-10 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Square Crossed Sequence (in Sequences)
Posted on 2013-12-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Two Rectangles (in Geometry) Rating: 3.00
Posted on 2013-12-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Only One, One, One II (in Just Math) Rating: 1.00
Posted on 2013-12-08 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Feet-Inch Transpose (in Weights and Scales)
Posted on 2013-12-06 by K Sengupta (No Solution Yet, 7 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 51998 (in Numbers)
Posted on 2013-12-05 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Consecutive Base Baffle (in Just Math)
Posted on 2013-12-04 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5APPLE + LEMON = BANANA (in Numbers)
Posted on 2013-12-04 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 58 Dice II (in Numbers)
Posted on 2013-12-03 by Charlie (No Solution Yet, 0 Comments)
Difficulty: 2 of 5My first is in MEAT, but not in FEET (in Tricks) Rating: 4.00
Posted on 2013-12-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 520 Word Lattice II (in Word Problems)
Posted on 2013-12-02 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Lively Letters (in Logic) Rating: 3.00
Posted on 2013-12-02 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Square in a Pentagon (in Geometry) Rating: 3.00
Posted on 2013-12-01 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Continued Multiples (in Numbers) Rating: 5.00
Posted on 2013-11-29 by Danish Ahmed Khan (No Solution Yet, 3 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: 4 of 5Great sequence (in Sequences) Rating: 5.00
Posted on 2013-11-28 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Pentagon in a Square (in Geometry)
Posted on 2013-11-28 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: 2 of 5Hexagonal Palindrome (in Just Math)
Posted on 2013-11-26 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Equal sums on a circle (in General)
Posted on 2013-11-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 520 Word Lattice I (in Word Problems)
Posted on 2013-11-25 by brianjn (No Solution Yet, 3 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: 3 of 5A 6-digit answer (in Numbers)
Posted on 2013-11-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Add 1, Get Geometric (in Just Math)
Posted on 2013-11-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Safe chess piece (in Games) Rating: 3.33
Posted on 2013-11-21 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 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 5Face-Up Card Array (in Logic)
Posted on 2013-11-20 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Testing Three Students (in Just Math)
Posted on 2013-11-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5LCM equation (in Numbers) Rating: 4.00
Posted on 2013-11-19 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 58 dice, 3 questions (in Numbers)
Posted on 2013-11-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A Square, a Rectangle and a Triangle (in Geometry) Rating: 3.00
Posted on 2013-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Embedded Triangles (in Shapes)
Posted on 2013-11-16 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Digital Dilemma (in Just Math)
Posted on 2013-11-15 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Define winning strategy (in Games)
Posted on 2013-11-14 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Barcoded (in Cryptography)
Posted on 2013-11-14 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Four Egyptian Fractions (in Numbers)
Posted on 2013-11-13 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Consecutive Additions (in Numbers) Rating: 3.00
Posted on 2013-11-12 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Covert Quantity IV (in Numbers)
Posted on 2013-11-11 by Ady TZIDON (No Solution Yet, 1 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 5Two possible sums (in Numbers)
Posted on 2013-11-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Some Powers Sum 2008 (in Just Math)
Posted on 2013-11-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Word Grids (in Word Problems)
Posted on 2013-11-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Four Digits (in Numbers) Rating: 4.00
Posted on 2013-11-05 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Quadratic Quandary (in Just Math)
Posted on 2013-11-04 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Five Natives (in Liars and Knights)
Posted on 2013-11-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Triangles And Rectangles Pair (in Geometry)
Posted on 2013-11-01 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5River Row (in Logic)
Posted on 2013-10-31 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Fill In The Blanks (in Numbers)
Posted on 2013-10-30 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Polycubic surface (in Shapes)
Posted on 2013-10-29 by Jer (No Solution Yet, 1 Comments)
Difficulty: 1 of 5End Breadth (in Science)
Posted on 2013-10-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Slow Cows (in General) Rating: 3.50
Posted on 2013-10-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Perfect Prime Provision? (in Just Math) Rating: 4.50
Posted on 2013-10-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Oddly Powered (in Just Math) Rating: 3.00
Posted on 2013-10-25 by K Sengupta (No Solution Yet, 1 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 5Drinking Dwarfs (in Just Math)
Posted on 2013-10-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Sum of Cubes (in Numbers)
Posted on 2013-10-23 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Serpent Attack (in Logic)
Posted on 2013-10-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 58_Primes III (in Numbers)
Posted on 2013-10-21 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Five by Five (in Numbers)
Posted on 2013-10-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Just prove it (in Just Math)
Posted on 2013-10-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Take the right one (in Weights and Scales) Rating: 3.00
Posted on 2013-10-18 by Ady TZIDON (No Solution Yet, 18 Comments)
Difficulty: 2 of 5DoDeCaGon (in Shapes)
Posted on 2013-10-18 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Minimum Sum Muse (in Just Math) Rating: 2.00
Posted on 2013-10-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 58_Primes II (in Numbers)
Posted on 2013-10-15 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reciprocal Equation #5 (in Just Math)
Posted on 2013-10-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5LCM by pairs (in Just Math)
Posted on 2013-10-14 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sums of sixth powers I (in Just Math)
Posted on 2013-10-13 by broll (No Solution Yet, 0 Comments)
Difficulty: 1 of 5Trigo computation (in Numbers)
Posted on 2013-10-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Milestone Muse (in Just Math)
Posted on 2013-10-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Hobsons choice(?) (in Numbers) Rating: 4.00
Posted on 2013-10-10 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 58_Primes I (in Numbers)
Posted on 2013-10-09 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Quintic Expression (in Just Math) Rating: 4.00
Posted on 2013-10-09 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Race Resolution (in Just Math) Rating: 2.00
Posted on 2013-10-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Restore from scratches (in Numbers) Rating: 4.00
Posted on 2013-10-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two cars, three towns (in Just Math) Rating: 2.00
Posted on 2013-10-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Powering (in Just Math)
Posted on 2013-10-05 by Danish Ahmed Khan (No Solution Yet, 5 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 5Feisty Fifty-six (in Just Math)
Posted on 2013-10-04 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Non existing altitudes (in Geometry)
Posted on 2013-10-03 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5GCD to product (in Just Math)
Posted on 2013-10-03 by K Sengupta (No Solution Yet, 4 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 5Repunit Rigor II (in Just Math) Rating: 5.00
Posted on 2013-10-01 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Listing cubes (in Numbers) Rating: 4.50
Posted on 2013-10-01 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Warm/Cool Number Guessing (in Numbers)
Posted on 2013-09-30 by Jer (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Imperfectly Cubed (in Just Math)
Posted on 2013-09-29 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Rhomboctagon (in Geometry)
Posted on 2013-09-28 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5mistakes (in Numbers)
Posted on 2013-09-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Eleven is a factor (in Numbers)
Posted on 2013-09-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Simultaneous Settlement II (in Just Math)
Posted on 2013-09-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Smallinomial (in Just Math)
Posted on 2013-09-25 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rooted to the Floor (in Just Math)
Posted on 2013-09-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sequence Limit (in Calculus)
Posted on 2013-09-24 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 52-D number guessing. (in Numbers)
Posted on 2013-09-23 by Jer (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Three Semi-Circles (in Geometry)
Posted on 2013-09-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sequence Term and Sum (in Sequences)
Posted on 2013-09-20 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Four Cards (in Logic) Rating: 1.00
Posted on 2013-09-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Maximizing product (in Geometry)
Posted on 2013-09-19 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Minimum perimeter length (2) (in Just Math)
Posted on 2013-09-19 by K Sengupta (No Solution Yet, 3 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 5Big areas (in Numbers)
Posted on 2013-09-17 by Ady TZIDON (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Nominal Expression Sum (in Just Math)
Posted on 2013-09-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Staggered divisibility (in Numbers)
Posted on 2013-09-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Score Degree Deduction (in Just Math)
Posted on 2013-09-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5From hints to a missing digit (in Numbers)
Posted on 2013-09-13 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Connnected Construction (in Just Math)
Posted on 2013-09-13 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Divisibility wanted (in Numbers)
Posted on 2013-09-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prime candidates (in Numbers)
Posted on 2013-09-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Mysterious Sequence (in Sequences) Rating: 5.00
Posted on 2013-09-11 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 1 of 5play with digit (in Numbers)
Posted on 2013-09-10 by Danish Ahmed Khan (No Solution Yet, 1 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 5Different Routes (in Logic)
Posted on 2013-09-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Supreme Value Validation (in Just Math)
Posted on 2013-09-08 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Great (in Just Math)
Posted on 2013-09-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two top targets (in Numbers)
Posted on 2013-09-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Letter Magic Square (in Logic)
Posted on 2013-09-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5The 1234 Problem (in Numbers)
Posted on 2013-09-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sudoprime (in Numbers) Rating: 4.00
Posted on 2013-09-04 by Charlie (No Solution Yet, 1 Comments)
Difficulty: 2 of 5The Last Two Digits (in Just Math) Rating: 4.00
Posted on 2013-09-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Expression Ratio (in Just Math)
Posted on 2013-09-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Next year (in Numbers) Rating: 4.00
Posted on 2013-09-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5All zeroes solution (in Numbers)
Posted on 2013-09-01 by Ady TZIDON (No Solution Yet, 3 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 5The Broken Cash Register (in Just Math)
Posted on 2013-08-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Crossnumber III (in General)
Posted on 2013-08-29 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Eight Calculations (in Logic)
Posted on 2013-08-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5NegaFibo series (in Numbers)
Posted on 2013-08-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Wild and Wooley Numbers (in Numbers)
Posted on 2013-08-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Two Cubes (in Logic)
Posted on 2013-08-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5The 1979 Series (in Sequences)
Posted on 2013-08-27 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Mission impossible II (in Numbers)
Posted on 2013-08-26 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5The cunning Condition (in Just Math)
Posted on 2013-08-25 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Decimal Digit Determination (in Just Math)
Posted on 2013-08-24 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5FOUR SQUARES (in Numbers)
Posted on 2013-08-23 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Related Series (in Sequences)
Posted on 2013-08-23 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Dodecagonal Diagonals (in Shapes)
Posted on 2013-08-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Z for Zero, X for siX (in Just Math)
Posted on 2013-08-22 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Temperature Temperament III (in Weights and Scales)
Posted on 2013-08-21 by K Sengupta (No Solution Yet, 1 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: 3 of 5Block Positions (in Logic)
Posted on 2013-08-19 by K Sengupta (No Solution Yet, 1 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: 3 of 5Root sum or integer? (in Just Math)
Posted on 2013-08-18 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Integrable Nest (in Calculus)
Posted on 2013-08-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Random Queens (in Probability)
Posted on 2013-08-16 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Pidigital primes (in Numbers)
Posted on 2013-08-15 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5NegaBinary Numbers (in Algorithms)
Posted on 2013-08-14 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Habeas corpus (in Word Problems)
Posted on 2013-08-14 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sitting on the Fence (in Probability)
Posted on 2013-08-13 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Crime Commitment Conclusion (in Liars and Knights) Rating: 3.50
Posted on 2013-08-12 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Rhombus Rationale (in Geometry)
Posted on 2013-08-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Morley's Ghost (in Geometry) Rating: 3.50
Posted on 2013-08-10 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5An Elusive Quadratic (in Numbers)
Posted on 2013-08-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Seven - with and without (in Numbers) Rating: 3.67
Posted on 2013-08-09 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5The Far Sides (in Numbers)
Posted on 2013-08-08 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Sequence Settlement (in Sequences)
Posted on 2013-08-07 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5No Triple Repetitions (in Sequences)
Posted on 2013-08-06 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5The bottom line (in Logic)
Posted on 2013-08-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Round Results (in Numbers)
Posted on 2013-08-05 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Testy Triplet Treat (in Just Math)
Posted on 2013-08-04 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Non Sloane Surmise (in Sequences)
Posted on 2013-08-02 by K Sengupta (No Solution Yet, 4 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 5A Funny Function (in Calculus) Rating: 4.00
Posted on 2013-08-01 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Near Pythagoras (in Just Math)
Posted on 2013-07-31 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Broken Calculator II (in Just Math)
Posted on 2013-07-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Maximizing sum (in Numbers)
Posted on 2013-07-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Grid Look (in Sequences)
Posted on 2013-07-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Trigonometry Nest III (in Just Math)
Posted on 2013-07-28 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Squarely Sorted (in Numbers)
Posted on 2013-07-27 by Danish Ahmed Khan (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 5A Pleasurable Puzzle (in Just Math)
Posted on 2013-07-26 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Casting Out Zeros (in Just Math)
Posted on 2013-07-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Weighted Quadrilateral (in Geometry) Rating: 3.00
Posted on 2013-07-25 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Dominoes and checkerboard (in General)
Posted on 2013-07-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Equal Vision (in Logic)
Posted on 2013-07-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prince Rupert's Tetrahedron (in Shapes)
Posted on 2013-07-21 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reciprocal Equation #4 (in Just Math)
Posted on 2013-07-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 57 boolean Questions (in Logic)
Posted on 2013-07-19 by Danish Ahmed Khan (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: 3 of 5Penny Parity (in General) Rating: 3.00
Posted on 2013-07-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 54b4N & after (in Numbers) Rating: 3.00
Posted on 2013-07-17 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Table Tennis Serve (in Just Math)
Posted on 2013-07-17 by K Sengupta (No Solution Yet, 6 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: 2 of 5Framing (in Geometry) Rating: 4.00
Posted on 2013-07-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5S.o.d. classification (in Just Math)
Posted on 2013-07-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Upside Down LCD Display (in Numbers)
Posted on 2013-07-15 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Unique Value (in Just Math) Rating: 2.00
Posted on 2013-07-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Every Die Face (in Probability)
Posted on 2013-07-12 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5How many trains? (in Just Math) Rating: 4.00
Posted on 2013-07-12 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Factorials AND Powers (in Numbers)
Posted on 2013-07-11 by Danish Ahmed Khan (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: 4 of 5Hidden Number Guess (in General)
Posted on 2013-07-10 by K Sengupta (No Solution Yet, 4 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: 1 of 5Simple Thinking (in Numbers)
Posted on 2013-07-09 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 1 of 5The Seventh Power (in Numbers)
Posted on 2013-07-08 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pascal Triangle (in Numbers)
Posted on 2013-07-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Queen Placements (in Games)
Posted on 2013-07-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5One is a sum (in Numbers)
Posted on 2013-07-05 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mystery Matrix (in Sequences)
Posted on 2013-07-04 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Singleton Settlement II (in Logic)
Posted on 2013-07-03 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Just asking (in Just Math)
Posted on 2013-07-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5222 (in Word Problems) Rating: 2.00
Posted on 2013-07-02 by Danish Ahmed Khan (No Solution Yet, 11 Comments)
Difficulty: 3 of 5The Exclusive Club (in Paradoxes) Rating: 5.00
Posted on 2013-07-01 by Math Man (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Digital Factorial (in Numbers)
Posted on 2013-07-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Rationalism (in Numbers)
Posted on 2013-06-30 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Changing form (in Just Math)
Posted on 2013-06-29 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5My uncle's habits (in Probability) Rating: 5.00
Posted on 2013-06-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5What's the ... (in Just Math)
Posted on 2013-06-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hound Path (in General) Rating: 3.00
Posted on 2013-06-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Easy Findings (in Numbers)
Posted on 2013-06-26 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Winning Number (in Tricks)
Posted on 2013-06-26 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Bullseye (in Logic)
Posted on 2013-06-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5 Euler erred (in Just Math)
Posted on 2013-06-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Clockwork (in Logic)
Posted on 2013-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Infinite Product (in Numbers)
Posted on 2013-06-24 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Misleading data (in Just Math)
Posted on 2013-06-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5PRIMY inequality (in Just Math)
Posted on 2013-06-22 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Words, words, numbers (in Word Problems)
Posted on 2013-06-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three Bricklayers (in Just Math)
Posted on 2013-06-21 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Shiny Numbers (in Just Math)
Posted on 2013-06-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Card Deal (in Logic)
Posted on 2013-06-20 by K Sengupta (No Solution Yet, 3 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 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 5A Black and White Issue (in Just Math) Rating: 1.00
Posted on 2013-06-18 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Any others? (in Numbers)
Posted on 2013-06-18 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 2 of 5All bases comply (in Numbers) Rating: 2.00
Posted on 2013-06-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Divisibility of N (in Numbers)
Posted on 2013-06-15 by Jer (No Solution Yet, 4 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: 2 of 5Jumbo Digits (in Just Math)
Posted on 2013-06-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Mister Digit Face (in Just Math)
Posted on 2013-06-13 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Vera's Date (in Logic) Rating: 4.00
Posted on 2013-06-12 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 2 of 5Mouse eating Cheese (in Logic)
Posted on 2013-06-12 by Danish Ahmed Khan (No Solution Yet, 1 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: 2 of 5A G E S III (in Just Math) Rating: 2.50
Posted on 2013-06-11 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 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 5Adjacent Square Sum II (in Just Math)
Posted on 2013-06-10 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Cubic Equation (in Just Math)
Posted on 2013-06-09 by K Sengupta (No Solution Yet, 13 Comments)
Difficulty: 3 of 5Chess game reconstruction (in Games)
Posted on 2013-06-08 by Danish Ahmed Khan (No Solution Yet, 1 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 5Divisibility and Digit Sum (in Just Math)
Posted on 2013-06-07 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Sail & beware (in Word Problems)
Posted on 2013-06-06 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5I loved (in General) Rating: 2.50
Posted on 2013-06-05 by Ady TZIDON (No Solution Yet, 3 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 5'X' cluded (in Logic)
Posted on 2013-06-03 by K Sengupta (No Solution Yet, 1 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: 4 of 5Circle on a grid 2 (in Shapes)
Posted on 2013-06-02 by Jer (No Solution Yet, 0 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 5Pascal's e (in Calculus)
Posted on 2013-05-29 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Strings of Nines (in Numbers)
Posted on 2013-05-29 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Play or Pass (in Probability)
Posted on 2013-05-28 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Race Winner (in Liars and Knights) Rating: 2.00
Posted on 2013-05-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5UVWXYZ (in Just Math)
Posted on 2013-05-27 by Danish Ahmed Khan (No Solution Yet, 12 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: 3 of 5Productive Numbers (in Just Math)
Posted on 2013-05-26 by K Sengupta (No Solution Yet, 6 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 5Circle on a grid 1 (in Shapes)
Posted on 2013-05-24 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mirrored Moves (in Games)
Posted on 2013-05-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mice Supplements (in General)
Posted on 2013-05-22 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A bee in my hand (in Riddles)
Posted on 2013-05-22 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 3 of 5High Scorer (in General)
Posted on 2013-05-21 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 2 of 5Simple expression but difficult answer (in Just Math)
Posted on 2013-05-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Adjacent Square Sum (in Just Math)
Posted on 2013-05-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Wet Rain (in Just Math)
Posted on 2013-05-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5It is simpler than you think (in Just Math)
Posted on 2013-05-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mating Moves (in Games)
Posted on 2013-05-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Squares and Cubes II (in Numbers) Rating: 3.00
Posted on 2013-05-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Paint Perception (in Logic)
Posted on 2013-05-15 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Divisibility of 29 (in Numbers) Rating: 4.00
Posted on 2013-05-15 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Diophantine Equation (in Just Math)
Posted on 2013-05-14 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fifteen (in Games)
Posted on 2013-05-13 by brianjn (No Solution Yet, 2 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: 4 of 5Positive Integer, Odd Digits, Divisibility (in Just Math) Rating: 3.67
Posted on 2013-05-12 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Lovely Fibonacci (in Just Math)
Posted on 2013-05-11 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Tower Travail (in Just Math)
Posted on 2013-05-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Attack! (2) (in Games) Rating: 4.50
Posted on 2013-05-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Proverb Converse (in Word Problems)
Posted on 2013-05-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Odd steps (in Numbers)
Posted on 2013-05-08 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Roman Resolve (in Sequences)
Posted on 2013-05-08 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5No comments (in Numbers) Rating: 3.50
Posted on 2013-05-07 by Ady TZIDON (No Solution Yet, 2 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: 3 of 5Numerical Logic (in Logic)
Posted on 2013-05-06 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hatu ,Utah?? (in Word Problems)
Posted on 2013-05-06 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Time for some Prime (in Just Math)
Posted on 2013-05-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 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 5Fibo and GCD (in Numbers)
Posted on 2013-05-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Colorful Win (in Games)
Posted on 2013-05-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Generalize (in Numbers)
Posted on 2013-05-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Christmas Carol Conclusion (in Word Problems)
Posted on 2013-05-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consecutive Cuts (in Word Problems)
Posted on 2013-04-30 by K Sengupta (No Solution Yet, 6 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 5Three in, one out (in Just Math) Rating: 3.50
Posted on 2013-04-29 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Dark Divisibility (in Just Math) Rating: 5.00
Posted on 2013-04-27 by Danish Ahmed Khan (No Solution Yet, 18 Comments)
Difficulty: 3 of 5The Seven Primes (in Just Math)
Posted on 2013-04-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Professor Perception (in Logic) Rating: 3.50
Posted on 2013-04-25 by K Sengupta (No Solution Yet, 9 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 5Battleships (in Logic)
Posted on 2013-04-24 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Winning Chance (in Probability)
Posted on 2013-04-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52012 sum Digit (in Just Math)
Posted on 2013-04-23 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Power Remainder III (in Just Math) Rating: 2.50
Posted on 2013-04-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 1 of 5How much and why ? (in Logic)
Posted on 2013-04-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Incredibly difficult sequence (in Sequences)
Posted on 2013-04-21 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Elegantly Greedy Pirates (in Just Math) Rating: 3.00
Posted on 2013-04-20 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Overheard in a London eatery's kitchen (in General) Rating: 3.00
Posted on 2013-04-19 by Ady TZIDON (No Solution Yet, 8 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 5Minus Cube (in Games)
Posted on 2013-04-18 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Maximizing the ratio (in Just Math) Rating: 2.00
Posted on 2013-04-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5A scaled-down experiment (in Science)
Posted on 2013-04-17 by broll (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prime Mean (in Just Math) Rating: 4.00
Posted on 2013-04-17 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Singleton Settlement (in Logic)
Posted on 2013-04-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Close neighbours (in Just Math)
Posted on 2013-04-15 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Veracity Verification (in Liars and Knights) Rating: 1.50
Posted on 2013-04-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Computer's Delight (in Cryptography)
Posted on 2013-04-14 by Jer (No Solution Yet, 1 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: 2 of 5Powered Pair (in Just Math)
Posted on 2013-04-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5As low as possible (in Numbers)
Posted on 2013-04-12 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Bonjour, Pascal ! (in Just Math) Rating: 4.00
Posted on 2013-04-10 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Population of Funkytown (in Logic)
Posted on 2013-04-10 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pass the beer (in Probability)
Posted on 2013-04-09 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Stupid number trick V (in Numbers) Rating: 1.50
Posted on 2013-04-09 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Non-arithmetic Triplets (in General)
Posted on 2013-04-08 by K Sengupta (No Solution Yet, 9 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: 3 of 5Powers often in other bases. (in Numbers)
Posted on 2013-04-07 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Area of hexagon... (in Geometry)
Posted on 2013-04-06 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Neat Network II (in General)
Posted on 2013-04-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Temperature Temperament II (in Science) Rating: 2.00
Posted on 2013-04-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5The sum = the product (in Just Math)
Posted on 2013-04-04 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rearranged Resolution (in Word Problems)
Posted on 2013-04-03 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Reasonable Suspicion (in Riddles) Rating: 2.00
Posted on 2013-04-01 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 1 of 5Finding Average (in Logic) Rating: 1.50
Posted on 2013-04-01 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Dangerous Expression for Rationals (in Numbers)
Posted on 2013-03-31 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 2 of 5irreducible? (in Just Math)
Posted on 2013-03-29 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 5 Analyzing LOTTO (in Numbers)
Posted on 2013-03-28 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Tennis Tease (in Logic) Rating: 3.50
Posted on 2013-03-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Irrational ^ Irrational = Rational (in Numbers)
Posted on 2013-03-27 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mileage Muse (in Numbers)
Posted on 2013-03-26 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Parabolic discovery (in Just Math)
Posted on 2013-03-25 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Fianc Resolution (in Liars and Knights) Rating: 5.00
Posted on 2013-03-25 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Murderous Performer (in Logic)
Posted on 2013-03-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Repeated part divisible by 9 (in Numbers)
Posted on 2013-03-22 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Algebraic Device (in Algorithms)
Posted on 2013-03-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 1 of 5In camps about the centre I appear (in Famous Riddles)
Posted on 2013-03-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Inequality challenged (in Just Math)
Posted on 2013-03-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Age Ascertainment III (in Logic)
Posted on 2013-03-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Consecutively Divisible (in Just Math)
Posted on 2013-03-18 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Ecin reversal! (in Numbers)
Posted on 2013-03-18 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Four Coin Theorem (in Shapes)
Posted on 2013-03-17 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rational Rigor II (in Just Math)
Posted on 2013-03-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Goldbach revisited (in Numbers)
Posted on 2013-03-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Solubility Settlement (in Science)
Posted on 2013-03-15 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5UN cargo (in Numbers) Rating: 4.50
Posted on 2013-03-13 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Ornament Orientation (in Liars and Knights)
Posted on 2013-03-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Two ladders (in Geometry)
Posted on 2013-03-12 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Strange Equation (in Just Math)
Posted on 2013-03-11 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Recondite Route (in Logic)
Posted on 2013-03-11 by K Sengupta (No Solution Yet, 1 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 5Product in a Circle (in Shapes)
Posted on 2013-03-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Three neighbours (in Numbers)
Posted on 2013-03-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A blue taxi II (in Probability)
Posted on 2013-03-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5BINGO! (in Probability) Rating: 5.00
Posted on 2013-03-07 by Kenny M (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Homophones Misrepresented (in Word Problems)
Posted on 2013-03-06 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Temperature Temperament (in Just Math) Rating: 2.00
Posted on 2013-03-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cell Choices (in General)
Posted on 2013-03-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 54 sixes (in Numbers)
Posted on 2013-03-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Ceiling and Floor Formulation (in Algorithms)
Posted on 2013-03-04 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Digit permutation (in Numbers)
Posted on 2013-03-03 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Intriguing Integral Illation (in Calculus)
Posted on 2013-03-02 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Fun sequence (in Sequences)
Posted on 2013-03-01 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Trespassing (in Cryptography) Rating: 5.00
Posted on 2013-03-01 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Generalization (in Probability)
Posted on 2013-02-28 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Summing Ones (in Numbers)
Posted on 2013-02-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Underground occupation (in Cryptography) Rating: 5.00
Posted on 2013-02-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Liar Lock (in Liars and Knights) Rating: 3.00
Posted on 2013-02-26 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 5 of 5Prime source (in Numbers)
Posted on 2013-02-25 by Ady TZIDON (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: 4 of 5On congruent numbers (in Numbers)
Posted on 2013-02-24 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Magical Magician (in Numbers) Rating: 3.50
Posted on 2013-02-23 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Anagrams Misrepresented (in Word Problems)
Posted on 2013-02-22 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Point to 2013 (2) (in Just Math)
Posted on 2013-02-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Crossanagram (in Word Problems)
Posted on 2013-02-21 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Perfect squares (in Numbers) Rating: 4.00
Posted on 2013-02-21 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Commemorative triangles (in Sequences)
Posted on 2013-02-20 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Not represented (in Numbers) Rating: 4.00
Posted on 2013-02-20 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Reflected Halves (in Word Problems)
Posted on 2013-02-19 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Purely prime (in Just Math) Rating: 5.00
Posted on 2013-02-19 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quiz Results II (in Logic)
Posted on 2013-02-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Money Muddle (in Liars and Knights)
Posted on 2013-02-18 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Reasonable Root ? (in Just Math)
Posted on 2013-02-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Composite Contemplation (in Just Math)
Posted on 2013-02-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Primed to Square (in Just Math) Rating: 4.00
Posted on 2013-02-15 by Danish Ahmed Khan (No Solution Yet, 3 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 5Extra Egyptians (in Just Math)
Posted on 2013-02-14 by broll (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Triangle Perimeters (in Shapes)
Posted on 2013-02-13 by Jer (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Divisibility rule (in Just Math)
Posted on 2013-02-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Finding numbers (in Numbers)
Posted on 2013-02-12 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Fifteen Frolic (in Games)
Posted on 2013-02-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Commemorations 2 (in Sequences)
Posted on 2013-02-11 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Consecutive Contemplation II (in Sequences)
Posted on 2013-02-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Egyptian Number (in Just Math) Rating: 2.33
Posted on 2013-02-09 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Rocking digits (in Numbers)
Posted on 2013-02-08 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sound Scrutiny (in Word Problems)
Posted on 2013-02-08 by K Sengupta (No Solution Yet, 4 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 5No Soiree (in Numbers) Rating: 5.00
Posted on 2013-02-07 by brianjn (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Commemorations (in Weights and Scales) Rating: 3.00
Posted on 2013-02-06 by Jer (No Solution Yet, 7 Comments)
Difficulty: 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 5A false claim (in Numbers)
Posted on 2013-02-05 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Celsius = 1/Fahrenheit (in Just Math)
Posted on 2013-02-05 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Respectively Divisible (in Just Math) Rating: 4.00
Posted on 2013-02-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Midpoint problem (in Geometry) Rating: 3.00
Posted on 2013-02-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Geometric Parabola (in Geometry)
Posted on 2013-02-02 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Products in A.P. (in Sequences)
Posted on 2013-02-01 by brianjn (No Solution Yet, 6 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: 3 of 5Arrangements count (in Just Math)
Posted on 2013-01-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Truthful days (in Logic)
Posted on 2013-01-31 by Math Man (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Planetary Perception (in Word Problems)
Posted on 2013-01-30 by K Sengupta (No Solution Yet, 14 Comments)
Difficulty: 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 5The 73rd digit (in Numbers)
Posted on 2013-01-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Below 5K (in Just Math)
Posted on 2013-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Who is older? (in Tricks) Rating: 3.00
Posted on 2013-01-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum of real Roots (in Just Math)
Posted on 2013-01-27 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Cute Divisibility (in Numbers)
Posted on 2013-01-26 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pandigital? (in Numbers)
Posted on 2013-01-25 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Add 1, Get Harmonic (in Sequences) Rating: 4.00
Posted on 2013-01-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Greetings from P (in Sequences)
Posted on 2013-01-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Murder Mix Up (in Logic) Rating: 3.00
Posted on 2013-01-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 59 distinct digits in 3 products (in Numbers)
Posted on 2013-01-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5An age conversation (in Just Math)
Posted on 2013-01-22 by Jer (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Prime only as it is (in Numbers)
Posted on 2013-01-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Sourcing the Start (in Word Problems)
Posted on 2013-01-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5USA = n*UK (in Numbers)
Posted on 2013-01-21 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Twins I (in Just Math)
Posted on 2013-01-20 by broll (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Some basic Maths (in Just Math)
Posted on 2013-01-19 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5A cancellation fallacy (in Just Math)
Posted on 2013-01-18 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Off by one (in Numbers) Rating: 4.00
Posted on 2013-01-18 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Lake Trips (in Logic) Rating: 2.50
Posted on 2013-01-17 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Penny Drop (in Science) Rating: 3.00
Posted on 2013-01-17 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Shakespearean Subsumption (in Word Problems)
Posted on 2013-01-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Last three digits (in Just Math) Rating: 2.00
Posted on 2013-01-16 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Prime it remains (in Numbers) Rating: 4.00
Posted on 2013-01-15 by Ady TZIDON (No Solution Yet, 4 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: 1 of 5Six Natives (in Liars and Knights) Rating: 3.50
Posted on 2013-01-14 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Rhombus problem, with tangents and parallel (in Geometry) Rating: 3.00
Posted on 2013-01-13 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Thirteenth power (in Just Math)
Posted on 2013-01-12 by Danish Ahmed Khan (No Solution Yet, 7 Comments)
Difficulty: 2 of 5A chain of odds (in Numbers)
Posted on 2013-01-11 by Ady TZIDON (No Solution Yet, 2 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 5Two urns (in Probability)
Posted on 2013-01-10 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Arm Appraisal IV (in Liars and Knights)
Posted on 2013-01-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Weights and balls (in Weights and Scales) Rating: 4.00
Posted on 2013-01-09 by Philip7086 (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Point to 2013 (in Just Math)
Posted on 2013-01-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Consecutive in 2013 (in Sequences)
Posted on 2013-01-07 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Fifth powers (in Just Math)
Posted on 2013-01-06 by Danish Ahmed Khan (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Divisible by 2009 (in Just Math)
Posted on 2013-01-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5An Alpha Spell (in Numbers)
Posted on 2013-01-03 by brianjn (No Solution Yet, 0 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: 2 of 5Dual Prime Magic (in Numbers) Rating: 4.00
Posted on 2013-01-02 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Divisibility of factorials II (in Numbers)
Posted on 2013-01-01 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5xoF = (nx)oC (in Just Math) Rating: 3.00
Posted on 2012-12-31 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Odd Men Out (in General)
Posted on 2012-12-30 by broll (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Divisibility of factorials (in Numbers)
Posted on 2012-12-29 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Modular mathematics (in Just Math) Rating: 4.00
Posted on 2012-12-28 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Area of semicircle (in Shapes)
Posted on 2012-12-27 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Ages II (in Just Math)
Posted on 2012-12-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Perpendicular (in Geometry) Rating: 3.33
Posted on 2012-12-26 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 1 of 511 does not divide any of them (in Numbers)
Posted on 2012-12-26 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Party People (in Logic)
Posted on 2012-12-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sadism (in Numbers)
Posted on 2012-12-24 by brianjn (No Solution Yet, 9 Comments)
Difficulty: 1 of 5n+1,n+11,n+111 (in Just Math) Rating: 2.25
Posted on 2012-12-24 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rooting for Three Roots (in Just Math) Rating: 4.00
Posted on 2012-12-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Phantom Spheres (in Geometry)
Posted on 2012-12-22 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Arm Appraisal III (in Liars and Knights) Rating: 5.00
Posted on 2012-12-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Not a Prime (in Just Math) Rating: 3.00
Posted on 2012-12-20 by Danish Ahmed Khan (No Solution Yet, 6 Comments)
Difficulty: 2 of 5Transfer of initial digit (in Numbers)
Posted on 2012-12-20 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5All(?) about SEQ (in Numbers) Rating: 5.00
Posted on 2012-12-19 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Dollars and Cents II (in Just Math)
Posted on 2012-12-19 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5A little Generalization (in Numbers)
Posted on 2012-12-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Five Fives Fancy Formula (in Just Math)
Posted on 2012-12-17 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Inequality in sums of digits (in Just Math)
Posted on 2012-12-17 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ones and Nines (in Just Math)
Posted on 2012-12-13 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5From Poland with love (in Just Math)
Posted on 2012-12-13 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Subtractive years (in Numbers)
Posted on 2012-12-12 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Border Magic (in Numbers)
Posted on 2012-12-11 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Go count (in Numbers) Rating: 5.00
Posted on 2012-12-11 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 2 of 5No integer solutions (in Just Math) Rating: 3.00
Posted on 2012-12-10 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Primary Problem 2 (in Just Math) Rating: 5.00
Posted on 2012-12-09 by Math Man (No Solution Yet, 4 Comments)
Difficulty: 3 of 5My new sequence (in Sequences)
Posted on 2012-12-08 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Possibilities of a (in Just Math) Rating: 3.00
Posted on 2012-12-07 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A List of Statements (in Logic)
Posted on 2012-12-07 by Brian Smith (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pyramid Maneuver (in Geometry)
Posted on 2012-12-06 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5GCD of Fibonacci (in Numbers)
Posted on 2012-12-06 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Products of digits. (in Just Math)
Posted on 2012-12-05 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 2 of 5One equation with nine unknowns! (2) (in Numbers)
Posted on 2012-12-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find the triplets (in Just Math)
Posted on 2012-12-04 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 2 of 5 Two Dominoes (in Probability)
Posted on 2012-12-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Arm Appraisal II (in Liars and Knights) Rating: 1.00
Posted on 2012-12-03 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Why prime remainder? (in Just Math)
Posted on 2012-12-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Divisible by 3. (in Just Math) Rating: 3.00
Posted on 2012-12-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Disk Magic (in Numbers)
Posted on 2012-11-30 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Twelve Period Tease (in Just Math)
Posted on 2012-11-30 by K Sengupta (No Solution Yet, 5 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: 1 of 5A square is a cube (in Numbers) Rating: 3.00
Posted on 2012-11-29 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5MAX octagonal area (in Shapes)
Posted on 2012-11-28 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Letter Litter (in Word Problems) Rating: 1.00
Posted on 2012-11-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Prime pentagon (in Just Math)
Posted on 2012-11-27 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Bird Search (in Word Problems)
Posted on 2012-11-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 53 cubes? - not always (in Just Math)
Posted on 2012-11-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Missing Word (in Word Problems) Rating: 1.00
Posted on 2012-11-26 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Getting closer (in Just Math) Rating: 4.50
Posted on 2012-11-25 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 4 of 53402 02 N1 509 873 (in General)
Posted on 2012-11-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Equal digit sum (in Just Math)
Posted on 2012-11-22 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Creeping Ants (in Probability)
Posted on 2012-11-21 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 55 partitions (in Just Math) Rating: 3.00
Posted on 2012-11-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Round Trip (in Logic)
Posted on 2012-11-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Yes we can (in Numbers) Rating: 2.50
Posted on 2012-11-20 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Skewed Area (in Shapes)
Posted on 2012-11-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Corner Commencement (in Word Problems)
Posted on 2012-11-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Not a clear cut (in Logic)
Posted on 2012-11-18 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Square in Square (in Geometry) Rating: 4.00
Posted on 2012-11-17 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Peculiar pentagon (in Geometry) Rating: 3.00
Posted on 2012-11-15 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 52-way traffic (in Word Problems) Rating: 4.00
Posted on 2012-11-14 by Ady TZIDON (No Solution Yet, 7 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 5N 9 Terminations (in Numbers)
Posted on 2012-11-11 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 3 of 5An interesting sequence (in Numbers) Rating: 4.00
Posted on 2012-11-10 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Bard as a source (in General)
Posted on 2012-11-09 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Consecutive Contemplation (in Numbers)
Posted on 2012-11-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Extraordinary Characteristics (in Logic)
Posted on 2012-11-06 by K Sengupta (No Solution Yet, 4 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: 3 of 5Missing digit (in General) Rating: 2.33
Posted on 2012-11-03 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Baking the best pie (in Numbers) Rating: 4.00
Posted on 2012-11-02 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5House Hindrance (in Liars and Knights) Rating: 4.25
Posted on 2012-11-01 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Vampire numbers (in Just Math) Rating: 5.00
Posted on 2012-10-31 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Quips et al (in Word Problems) Rating: 3.00
Posted on 2012-10-30 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Monstrous prime? (in Just Math) Rating: 2.67
Posted on 2012-10-29 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Special Numbers II (in Just Math)
Posted on 2012-10-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5my house's number II (in Numbers)
Posted on 2012-10-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Exploring HCNs (in Numbers)
Posted on 2012-10-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Transformed square (in Shapes)
Posted on 2012-10-25 by Jer (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Derivative (Integral) = Integral (Derivative)? (in Calculus) Rating: 2.50
Posted on 2012-10-24 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Away from home (in Just Math) Rating: 5.00
Posted on 2012-10-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Gender and Occupation (in Logic) Rating: 5.00
Posted on 2012-10-22 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5The Death Slug (in Games)
Posted on 2012-10-18 by Dustin (No Solution Yet, 3 Comments)
Difficulty: 2 of 5White vs red (in Probability)
Posted on 2012-10-17 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Store Survey (in Just Math)
Posted on 2012-10-16 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Extremum Expressions (in Just Math) Rating: 3.50
Posted on 2012-10-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Big B's theorem (in Geometry) Rating: 2.00
Posted on 2012-10-14 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Transformed circle (in Shapes) Rating: 4.00
Posted on 2012-10-13 by Jer (No Solution Yet, 1 Comments)
Difficulty: 4 of 5P/Q (in Just Math) Rating: 4.00
Posted on 2012-10-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Wiki Ladders (in Word Problems) Rating: 4.00
Posted on 2012-10-11 by broll (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Center to center (in Geometry) Rating: 4.00
Posted on 2012-10-10 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Coin Game II (in Probability)
Posted on 2012-10-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5A tricky ricky quicky (in Sequences)
Posted on 2012-10-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Origamic III (in Shapes)
Posted on 2012-10-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Prove it, please (in Just Math) Rating: 5.00
Posted on 2012-10-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Analogous Days (in General)
Posted on 2012-10-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Three Fractions II (in Numbers) Rating: 3.00
Posted on 2012-10-01 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 562 - 63 (in General) Rating: 3.00
Posted on 2012-09-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5My Age (in Just Math) Rating: 5.00
Posted on 2012-09-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Stopping for lunch II (in Just Math)
Posted on 2012-09-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5A flawed proof? (2) (in Tricks)
Posted on 2012-09-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Very disappointed (in Cryptography)
Posted on 2012-09-26 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Two times n equals 2n-1 (in Word Problems)
Posted on 2012-09-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Palindrome ponder (in Just Math) Rating: 3.00
Posted on 2012-09-23 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Proverbial Wisdom II (in Word Problems) Rating: 3.50
Posted on 2012-09-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5A productive s.o.d. (in Just Math)
Posted on 2012-09-19 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5US or NOT (in Cryptography) Rating: 4.50
Posted on 2012-09-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Card game II (in Tricks)
Posted on 2012-09-17 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Awesome Level (in Numbers)
Posted on 2012-09-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 5 of 5Metapuzzle (in Liars and Knights) Rating: 5.00
Posted on 2012-09-13 by Math Man (No Solution Yet, 4 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: 4 of 5A silly opinion (in General)
Posted on 2012-09-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5440 (in Tricks) Rating: 3.00
Posted on 2012-09-10 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Positively Real (in Just Math) Rating: 5.00
Posted on 2012-09-09 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5by L. Euler (in General) Rating: 5.00
Posted on 2012-09-08 by Ady TZIDON (No Solution Yet, 7 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 5Cookie Monster (in Tricks) Rating: 4.50
Posted on 2012-09-06 by Joshua (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Wordates (in General) Rating: 5.00
Posted on 2012-09-03 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Tetra Net (in Shapes) Rating: 4.50
Posted on 2012-09-02 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Pandoprime (in Numbers)
Posted on 2012-09-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Wall space (in Tricks)
Posted on 2012-08-31 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 55th powers (in Numbers) Rating: 3.50
Posted on 2012-08-30 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Complex Conclusion (in Just Math)
Posted on 2012-08-29 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 1 of 5Turn Tease (in Liars and Knights) Rating: 1.67
Posted on 2012-08-27 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Less than ten thou (in Numbers) Rating: 5.00
Posted on 2012-08-25 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 51707 (in Numbers) Rating: 3.00
Posted on 2012-08-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Fifth power factor (in Just Math)
Posted on 2012-08-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Consecutive digits (in Numbers)
Posted on 2012-08-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The number p (in Numbers) Rating: 4.00
Posted on 2012-08-19 by Math Man (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Floor and Absolute (in Calculus)
Posted on 2012-08-17 by K Sengupta (No Solution Yet, 2 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: 3 of 5Odd One Out III (in Word Problems)
Posted on 2012-08-15 by K Sengupta (No Solution Yet, 14 Comments)
Difficulty: 2 of 5A powerful s.o.d. (in Numbers)
Posted on 2012-08-14 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5From Russia with love (in Weights and Scales)
Posted on 2012-08-11 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Some cubes! (in Numbers)
Posted on 2012-08-10 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Additive years (in Numbers) Rating: 5.00
Posted on 2012-08-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Wilson the 3rd (in Numbers)
Posted on 2012-08-07 by Ady TZIDON (No Solution Yet, 5 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: 3 of 5The lowest sums (in Just Math)
Posted on 2012-08-04 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Cycle Completion (in Word Problems)
Posted on 2012-08-03 by K Sengupta (No Solution Yet, 2 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 5Some Squares Sum Square (in Just Math)
Posted on 2012-07-30 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Equality for all (in Just Math) Rating: 3.67
Posted on 2012-07-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Gossip (in Just Math) Rating: 4.50
Posted on 2012-07-26 by Ady TZIDON (No Solution Yet, 12 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: 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 5Succinct Sundays (in General)
Posted on 2012-07-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pigeons again (in Sequences) Rating: 5.00
Posted on 2012-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Machine Machinations (in Weights and Scales)
Posted on 2012-07-21 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Numbered Letters III (in Word Problems) Rating: 5.00
Posted on 2012-07-20 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 3 of 59 of the same shape (in Geometry) Rating: 4.00
Posted on 2012-07-19 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 51232 is HERE (in Numbers) Rating: 3.00
Posted on 2012-07-18 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Revoltosos (in Liars and Knights)
Posted on 2012-07-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52012 Equal Expressions (in Numbers) Rating: 1.00
Posted on 2012-07-15 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 2 of 599 for odd powers (in Numbers) Rating: 3.67
Posted on 2012-07-14 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Timely determination II (in Just Math)
Posted on 2012-07-13 by K Sengupta (No Solution Yet, 4 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 5Wasteland (in General)
Posted on 2012-07-11 by brianjn (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Hillside Shepherds (in Liars and Knights) Rating: 5.00
Posted on 2012-07-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 4 of 5Three Words II (in Word Problems)
Posted on 2012-07-08 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5The Magnificent Eleven (in Numbers) Rating: 4.00
Posted on 2012-07-07 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mein Field (in Games) Rating: 3.50
Posted on 2012-07-05 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Nevo and Oven (in Numbers) Rating: 4.00
Posted on 2012-07-04 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Getting closer to three targets (in Numbers) Rating: 5.00
Posted on 2012-07-01 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Circle in a Prism (in Shapes)
Posted on 2012-06-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Mixed Doubles II - Keyboard Konfusion (in Word Problems)
Posted on 2012-06-27 by Dustin (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Nod to fife and food (in Numbers) Rating: 4.50
Posted on 2012-06-26 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5One is k times the other (in Numbers)
Posted on 2012-06-25 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 56 weights (in Weights and Scales)
Posted on 2012-06-24 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Electronic Lock (in Numbers)
Posted on 2012-06-23 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Complementary, my dear Watson (in Numbers) Rating: 5.00
Posted on 2012-06-22 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Hexagonal triples (in Word Problems)
Posted on 2012-06-20 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 1 of 5Play on words II (in Riddles)
Posted on 2012-06-19 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Pyramid Resolution (in Geometry)
Posted on 2012-06-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5ET Intelligence? (in Sequences)
Posted on 2012-06-13 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Special Words (in Word Problems)
Posted on 2012-06-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Irrational to Rational (in Just Math)
Posted on 2012-06-09 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Use all nine (in Numbers) Rating: 5.00
Posted on 2012-06-08 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Most Trickiest Pearls (in Weights and Scales)
Posted on 2012-06-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Excited to win (in Probability)
Posted on 2012-06-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mixed Doubles (in Word Problems)
Posted on 2012-06-04 by Dustin (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Stella Octangula (in Numbers)
Posted on 2012-06-03 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5 The smallest sum (in Numbers) Rating: 4.67
Posted on 2012-06-02 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5A Square Problem II (in Shapes)
Posted on 2012-05-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Produce More (in Numbers) Rating: 5.00
Posted on 2012-05-29 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Twice nine (in Numbers)
Posted on 2012-05-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 5 of 5Spherical shelter 3 (in Calculus) Rating: 4.00
Posted on 2012-05-27 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sorta pythagoric...(2) (in Just Math)
Posted on 2012-05-26 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Repeated roll (in Probability)
Posted on 2012-05-25 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Prefix Precision (in Word Problems)
Posted on 2012-05-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Serenity? (in Sequences)
Posted on 2012-05-22 by brianjn (No Solution Yet, 0 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 Prime Triplet (in Numbers) Rating: 4.67
Posted on 2012-05-19 by Brian Smith (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Tower Melds (in Word Problems)
Posted on 2012-05-17 by brianjn (No Solution Yet, 2 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: 3 of 5A beast in a pie (in Numbers)
Posted on 2012-05-13 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Last 2007 digits (in Just Math) Rating: 5.00
Posted on 2012-05-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Doubtful Divisibility (in Tricks)
Posted on 2012-05-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Words of warning (in Cryptography) Rating: 4.00
Posted on 2012-05-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Greatest Integer Sum (in Just Math) Rating: 3.00
Posted on 2012-05-07 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Spherical shelter 2 (in Calculus)
Posted on 2012-05-06 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mirror, mirror (in Numbers) Rating: 5.00
Posted on 2012-05-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Lean-to shelter (in Shapes)
Posted on 2012-05-03 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Lengthy Containment (in Word Problems)
Posted on 2012-05-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Many Multiples (in Sequences) Rating: 4.00
Posted on 2012-04-30 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Normal or not? (in Numbers)
Posted on 2012-04-29 by broll (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Spherical shelter (in Shapes)
Posted on 2012-04-27 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Smart Trams (in Word Problems)
Posted on 2012-04-26 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Minimal Primes (in Numbers) Rating: 4.67
Posted on 2012-04-24 by Math Man (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Type Deduction II (in Liars and Knights) Rating: 5.00
Posted on 2012-04-23 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5A Trisected Angle and the Opposing Side (in Geometry)
Posted on 2012-04-22 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5SUMUS (in Just Math)
Posted on 2012-04-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hexagonal Rings (in Word Problems)
Posted on 2012-04-20 by brianjn (No Solution Yet, 1 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 5Closest to e (in Numbers)
Posted on 2012-04-18 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Twenty what?! (in Word Problems)
Posted on 2012-04-17 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Lengthy Word 2 (in Word Problems)
Posted on 2012-04-16 by Gamer (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Three Power Remainder (in Just Math) Rating: 4.00
Posted on 2012-04-14 by K Sengupta (No Solution Yet, 3 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: 4 of 5Uncrossable Measured Wall (in Numbers)
Posted on 2012-04-10 by brianjn (No Solution Yet, 5 Comments)
Difficulty: 3 of 5End and Begin (in Word Problems)
Posted on 2012-04-09 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Prime Tours (in Numbers)
Posted on 2012-04-08 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Return to Treasure Island (in General)
Posted on 2012-04-05 by broll (No Solution Yet, 14 Comments)
Difficulty: 3 of 5Point to 2012 (in Just Math) Rating: 3.00
Posted on 2012-04-04 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Prime Selection (in Numbers)
Posted on 2012-04-03 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Checkers Run (in Games)
Posted on 2012-04-01 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Identifiable Identities (in Cryptography)
Posted on 2012-03-31 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Proof needed (in Just Math) Rating: 4.00
Posted on 2012-03-30 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Lengthy Word (in Word Problems)
Posted on 2012-03-29 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sorting Coins II (in Weights and Scales)
Posted on 2012-03-28 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Simultaneous Operations - Tiles Jeopardy (in Numbers)
Posted on 2012-03-25 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Word Builder 2 (in Word Problems)
Posted on 2012-03-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Math. competition, (in Just Math) Rating: 4.00
Posted on 2012-03-21 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 1 of 5Slick Equality (in Tricks) Rating: 3.00
Posted on 2012-03-20 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Summing inverses II (in Just Math)
Posted on 2012-03-16 by K Sengupta (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Fifth Term Settlement (in Sequences)
Posted on 2012-03-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Operations - Tiles (in Numbers)
Posted on 2012-03-13 by brianjn (No Solution Yet, 0 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 5A Cup Of Coffee II (in Weights and Scales)
Posted on 2012-03-06 by K Sengupta (No Solution Yet, 11 Comments)
Difficulty: 3 of 5Longest by Halves (in Word Problems)
Posted on 2012-03-05 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Simultaneous Operations - Pairs (in Numbers)
Posted on 2012-03-03 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Another Magic Die (in Probability)
Posted on 2012-02-28 by Dustin (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Matchstick Frenzy II (in Just Math) Rating: 4.00
Posted on 2012-02-26 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Constructing a Sphere (in Algorithms) Rating: 5.00
Posted on 2012-02-25 by Dustin (No Solution Yet, 16 Comments)
Difficulty: 3 of 5Rainbow Towers (in Games)
Posted on 2012-02-23 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 1 of 5Liar Students (in Probability)
Posted on 2012-02-20 by Praneeth (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Which is Which II (in Weights and Scales)
Posted on 2012-02-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Competitive number guessing (in Probability)
Posted on 2012-02-11 by Jer (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Ascension II (in Word Problems)
Posted on 2012-02-10 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 5 of 5Inherited Veracity (in Liars and Knights)
Posted on 2012-02-09 by Dustin (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sliced Grid, Same Sum (in Shapes)
Posted on 2012-02-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Non - Zero Digit II (in Just Math)
Posted on 2012-02-05 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Squarely Primed (in Numbers) Rating: 4.00
Posted on 2012-02-04 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Net Coverage (in Numbers)
Posted on 2012-02-02 by Dustin (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Running Race (in Liars and Knights) Rating: 4.00
Posted on 2012-01-31 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Sum of squares (in Just Math)
Posted on 2012-01-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Simultaneous Settlement (in Just Math) Rating: 5.00
Posted on 2012-01-27 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 55-by-5 Square Tic-Tac-Toe (in Games)
Posted on 2012-01-26 by Dustin (No Solution Yet, 1 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: 4 of 5Elite Etile (in Word Problems)
Posted on 2012-01-23 by K Sengupta (No Solution Yet, 3 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 5Yes and no (in Just Math)
Posted on 2012-01-21 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5'W'here to Start (in Cryptography)
Posted on 2012-01-19 by Dustin (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find Merkle (in Probability)
Posted on 2012-01-18 by brianjn (No Solution Yet, 11 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 5Maybe? (in Just Math) Rating: 3.00
Posted on 2012-01-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 52011 Square Sum End (in Just Math)
Posted on 2012-01-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5DIY prime magic (in Numbers)
Posted on 2012-01-13 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 518 digits (in Just Math) Rating: 3.00
Posted on 2012-01-12 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Abarcadraba (in Word Problems)
Posted on 2012-01-10 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Produce a product (in Just Math) Rating: 3.67
Posted on 2012-01-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Find out (in Numbers)
Posted on 2012-01-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Integer Forms (in Just Math) Rating: 4.00
Posted on 2012-01-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Numeric Meld (in Numbers)
Posted on 2012-01-06 by brianjn (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Another folded paper (in Shapes)
Posted on 2012-01-03 by Jer (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Hidden Birds (in Word Problems)
Posted on 2012-01-02 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 52011 Square Sum Start (in Just Math)
Posted on 2011-12-31 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Consecutive non-divisors (in Just Math)
Posted on 2011-12-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5A repunit number (in Numbers) Rating: 4.00
Posted on 2011-12-26 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Two expressions (in Numbers)
Posted on 2011-12-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 58s and 9s (in Numbers) Rating: 5.00
Posted on 2011-12-21 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Word Meld 8 (in Word Problems)
Posted on 2011-12-20 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Find my number (in Numbers) Rating: 4.00
Posted on 2011-12-19 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 4 of 5PentaWord 2 (in Word Problems)
Posted on 2011-12-18 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 3 of 5N-Divisibility II (in Just Math)
Posted on 2011-12-17 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 55-digit period (in Just Math) Rating: 4.00
Posted on 2011-12-16 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 1 of 5Getting gadgets galore (in Just Math) Rating: 5.00
Posted on 2011-12-12 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Polygons in a Cube (in Just Math)
Posted on 2011-12-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Ones or twos (in Just Math)
Posted on 2011-12-07 by Ady TZIDON (No Solution Yet, 4 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 5Two Power Divides Product (in Just Math) Rating: 4.00
Posted on 2011-12-05 by K Sengupta (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Not all are equal (in Just Math) Rating: 5.00
Posted on 2011-12-03 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Over fourteen (in Sequences) Rating: 3.67
Posted on 2011-12-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Don't try this barefoot. (in Probability) Rating: 5.00
Posted on 2011-12-01 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Timely determination (in Just Math)
Posted on 2011-11-29 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Prime Order (in Just Math)
Posted on 2011-11-27 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Shuffle Cross II (in Word Problems)
Posted on 2011-11-26 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Pandigital Multiple (in Probability)
Posted on 2011-11-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Angle of view - Ellipse and Hyperbola (in Just Math) Rating: 4.00
Posted on 2011-11-24 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5To and fro (in Calculus)
Posted on 2011-11-23 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Point to 2011 (in Just Math)
Posted on 2011-11-22 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5All in the family (in Just Math) Rating: 4.50
Posted on 2011-11-20 by Ady TZIDON (No Solution Yet, 17 Comments)
Difficulty: 3 of 5Factorial Quotient (in Just Math) Rating: 4.50
Posted on 2011-11-19 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Slide and Add (in Word Problems)
Posted on 2011-11-18 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Twins, triplets and more (in Just Math) Rating: 4.00
Posted on 2011-11-17 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Counting triplets III (in Just Math)
Posted on 2011-11-14 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Angle of view - Parabola (in Geometry) Rating: 3.00
Posted on 2011-11-13 by Jer (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Some relation! (in Just Math) Rating: 3.00
Posted on 2011-11-11 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Momentous Multiple (in Numbers)
Posted on 2011-11-10 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Shuffle Cross I (in Word Problems)
Posted on 2011-11-09 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 1 of 5A quicky: (in Numbers) Rating: 5.00
Posted on 2011-11-07 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Power Difference (in Just Math)
Posted on 2011-11-06 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Power Division II (in Just Math) Rating: 5.00
Posted on 2011-11-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Looking for n (2) (in Numbers)
Posted on 2011-11-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5An extended harmony (in Just Math)
Posted on 2011-11-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Special dice (in Just Math) Rating: 4.00
Posted on 2011-10-30 by Ady TZIDON (No Solution Yet, 18 Comments)
Difficulty: 3 of 5Some digits sum square II (in Probability)
Posted on 2011-10-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Angle of view (in Just Math)
Posted on 2011-10-28 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Digit addition and insertion (in Just Math) Rating: 5.00
Posted on 2011-10-27 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Repunit Rigor (in Just Math) Rating: 3.00
Posted on 2011-10-25 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Lasts a year (in Just Math) Rating: 3.67
Posted on 2011-10-24 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Slow growing sequence (in Sequences)
Posted on 2011-10-20 by Jer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Last three digits (in Just Math) Rating: 3.00
Posted on 2011-10-19 by K Sengupta (No Solution Yet, 9 Comments)
Difficulty: 4 of 5Nickki Primes (in Numbers)
Posted on 2011-10-18 by broll (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Three customers (in Logic) Rating: 4.20
Posted on 2011-10-17 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Going Maximum With Perfect Cubes (in Just Math)
Posted on 2011-10-15 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Avoid ambiguity (in General) Rating: 4.00
Posted on 2011-10-12 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Triangular Polygons II (in Probability)
Posted on 2011-10-11 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Prime and power poser (in Just Math) Rating: 3.00
Posted on 2011-10-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Build one get two free (in Numbers) Rating: 4.50
Posted on 2011-10-08 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 52011 Square End (in Just Math)
Posted on 2011-10-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Concerning combinatorics (in Numbers) Rating: 4.50
Posted on 2011-10-04 by Jer (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Myriad Factorial Digit (in Just Math)
Posted on 2011-10-01 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Telephone Number Travail (in Just Math) Rating: 5.00
Posted on 2011-09-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Some pedigree! (in Logic) Rating: 5.00
Posted on 2011-09-26 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Square Concatenation (in Numbers)
Posted on 2011-09-25 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Powering Up the Root (in Calculus) Rating: 2.00
Posted on 2011-09-24 by K Sengupta (No Solution Yet, 3 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 5Product Sum Settlement (in Numbers)
Posted on 2011-09-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 52011 Square Start (in Just Math) Rating: 5.00
Posted on 2011-09-16 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5The Scenic Route (in General)
Posted on 2011-09-15 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Lucky seven V (in Just Math)
Posted on 2011-09-13 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Mental Arithmetic II (in Just Math)
Posted on 2011-09-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Diophantine quickie II (in Just Math)
Posted on 2011-09-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 512 ways (in Numbers)
Posted on 2011-09-08 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Electric Rabbits (in Sequences) Rating: 4.00
Posted on 2011-09-07 by Joshua (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Five out of one (in Geometry)
Posted on 2011-09-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Catering to sportsmen's whims (in Numbers) Rating: 5.00
Posted on 2011-09-04 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Squaring Up The Digits II (in Just Math) Rating: 4.33
Posted on 2011-09-03 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Melting the ice (in General) Rating: 5.00
Posted on 2011-09-01 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 3 of 5Abjad Analysis (in Word Problems)
Posted on 2011-08-31 by broll (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Tribonacci Travail (in Sequences)
Posted on 2011-08-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5It is not hard (in Word Problems) Rating: 5.00
Posted on 2011-08-29 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Sum of cubes and squares (in Just Math)
Posted on 2011-08-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum, Times, I Wonder..(3) (in Numbers)
Posted on 2011-08-27 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Romanumerals (in Just Math)
Posted on 2011-08-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Quartic Quandary (in Just Math) Rating: 3.00
Posted on 2011-08-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Move the 2 - double the number II (in Just Math)
Posted on 2011-08-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Math pyramid (in Just Math)
Posted on 2011-08-20 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Mine & thine (in Just Math) Rating: 5.00
Posted on 2011-08-19 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Expression Evaluation (in Just Math)
Posted on 2011-08-17 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Quantum Coding (in Cryptography)
Posted on 2011-08-16 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Divisible? Yes and No. (in Just Math)
Posted on 2011-08-15 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5a!+ b!+ c!= abc a (in Just Math)
Posted on 2011-08-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5My favorite numbers VIII (in Just Math)
Posted on 2011-08-10 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5'Magic' Cube (in Numbers)
Posted on 2011-08-09 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Rating our neighbours (in Geometry)
Posted on 2011-08-08 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sequence Addition (in Sequences) Rating: 4.00
Posted on 2011-08-03 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Geometric Integers II (in Just Math) Rating: 5.00
Posted on 2011-08-02 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5How many roots? (in Just Math)
Posted on 2011-07-31 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Counting triplets II (in Just Math)
Posted on 2011-07-30 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Squaring Up The Digits (in Numbers)
Posted on 2011-07-28 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Compare (in Just Math)
Posted on 2011-07-26 by Ady TZIDON (No Solution Yet, 3 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 5SequiSearch (in Sequences) Rating: 3.00
Posted on 2011-07-24 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Lucky seven IV (in Just Math)
Posted on 2011-07-23 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5At the party (in Logic) Rating: 4.00
Posted on 2011-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Floors and decimals integral II (in Calculus)
Posted on 2011-07-21 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52011 = Sum of Squares II (in Probability)
Posted on 2011-07-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5S-olve T-his (in Word Problems) Rating: 3.67
Posted on 2011-07-17 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Two Encrypted Questions II (in Cryptography) Rating: 5.00
Posted on 2011-07-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 5All Shift by 1 (in Cryptography) Rating: 3.50
Posted on 2011-07-15 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Prime Birthdays II (in Just Math)
Posted on 2011-07-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Close neighbors (in Just Math) Rating: 5.00
Posted on 2011-07-13 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Antimagic square (in Probability) Rating: 5.00
Posted on 2011-07-12 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 2 of 5Send less money (in Numbers)
Posted on 2011-07-11 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Toggle a Combo (in Numbers) Rating: 3.00
Posted on 2011-07-10 by brianjn (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Brevity is the soul of wit (in Word Problems)
Posted on 2011-07-09 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three spheres (in Geometry)
Posted on 2011-07-08 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Over the Baker's Fence (in Cryptography) Rating: 5.00
Posted on 2011-07-07 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Mixed Muddle (in Just Math)
Posted on 2011-07-05 by K Sengupta (No Solution Yet, 0 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: 4 of 5Sum, Product and Square (in Just Math)
Posted on 2011-07-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum powers do not take five (in Just Math) Rating: 2.50
Posted on 2011-06-30 by K Sengupta (No Solution Yet, 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 5As easy as abc (in Just Math) Rating: 5.00
Posted on 2011-06-28 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5A skilfull erasure (in Just Math)
Posted on 2011-06-27 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 52011 = Sum of Squares (in Numbers)
Posted on 2011-06-26 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 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 5Fermat simplified (in Just Math)
Posted on 2011-06-21 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Calamari Stringer (in Cryptography) Rating: 4.67
Posted on 2011-06-20 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Missing Hexadecimal Digits (in Just Math)
Posted on 2011-06-18 by K Sengupta (No Solution Yet, 2 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: 2 of 5Ratio Resolution (in Just Math)
Posted on 2011-06-15 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Samba Primes (in Numbers) Rating: 3.60
Posted on 2011-06-14 by broll (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Who said to whom and when? (in Cryptography)
Posted on 2011-06-13 by Ady TZIDON (No Solution Yet, 3 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 5Sum number equals integer (in Numbers)
Posted on 2011-06-11 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Decode the double code (in Just Math) Rating: 4.00
Posted on 2011-06-09 by Ady TZIDON (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Antonymic Laddergrams (in Word Problems)
Posted on 2011-06-08 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Missing digits (in Just Math) Rating: 3.67
Posted on 2011-06-06 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 3 of 5Duplicate Digit Determination IV (in Just Math)
Posted on 2011-06-05 by K Sengupta (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 5The Garden (in General)
Posted on 2011-05-30 by Gamer (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Diophantine quickie (in Just Math) Rating: 5.00
Posted on 2011-05-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Greatest Root Difference (in Probability)
Posted on 2011-05-25 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5One harder sequence (in Sequences)
Posted on 2011-05-24 by broll (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Sum and Ratio Sum II (in Just Math)
Posted on 2011-05-21 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 2 of 5One Easier Sequence (in Sequences)
Posted on 2011-05-17 by Brian Smith (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum Remainder Deduction (in Just Math)
Posted on 2011-05-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Terminating in three 8s (in Just Math)
Posted on 2011-05-11 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Numbered Letters II (in Word Problems)
Posted on 2011-05-09 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Counting Sextuplets (in Just Math)
Posted on 2011-05-04 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Inversely Irrational (in Just Math)
Posted on 2011-05-01 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Mod And Near Myriad (in Just Math)
Posted on 2011-04-24 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Powering up the digits IV (in Numbers)
Posted on 2011-04-21 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Power Division (in Just Math) Rating: 4.00
Posted on 2011-04-19 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Quartic and Consecutive Concern (in Just Math)
Posted on 2011-04-17 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 1 of 5Odd and Integer Zeros (in Just Math)
Posted on 2011-04-13 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 2 of 5Square Alphametics (in Numbers)
Posted on 2011-04-09 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5My favorite numbers VII (in Just Math)
Posted on 2011-04-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Shrinkable numbers (in Numbers) Rating: 5.00
Posted on 2011-04-05 by Jer (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Sum, Times, I Wonder..(2) (in Numbers)
Posted on 2011-04-02 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Sequence Group V (in Just Math) Rating: 3.00
Posted on 2011-03-31 by K Sengupta (No Solution Yet, 4 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 5Factorial Difference = Perfect Square (in Just Math) Rating: 2.50
Posted on 2011-03-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 52011 Powered Digits (in Just Math)
Posted on 2011-03-25 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Distinct Digit Determination III (in Just Math)
Posted on 2011-03-24 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Rational Rigor (in Just Math) Rating: 3.50
Posted on 2011-03-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Numerous Numeral Enumeration (in Just Math) Rating: 4.50
Posted on 2011-03-20 by K Sengupta (No Solution Yet, 10 Comments)
Difficulty: 3 of 5By Jove, we're leaving (I think)! (in Liars and Knights) Rating: 4.00
Posted on 2011-03-17 by rod hines (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Powerful Couple (in Probability)
Posted on 2011-03-16 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 4 of 5Domino Polygons (in Probability)
Posted on 2011-03-14 by Jer (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Double Definite Dilemma (in Calculus) Rating: 3.00
Posted on 2011-03-12 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Hill Numbers Settlement II (in Probability)
Posted on 2011-03-09 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Painter's Dilemma (in Algorithms)
Posted on 2011-03-08 by Kenny M (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Prime = Sqrt of Summed Primes (in Numbers) Rating: 2.00
Posted on 2011-03-06 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Divisibility to square (in Just Math) Rating: 4.00
Posted on 2011-03-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 5 of 5How far can you go? (in Numbers) Rating: 4.00
Posted on 2011-03-04 by Ady TZIDON (No Solution Yet, 11 Comments)
Difficulty: 4 of 5Who`s on the right base? (in Numbers)
Posted on 2011-03-03 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Solitary Solution Settlement (in Numbers)
Posted on 2011-03-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pythagoras Irrational (in Numbers)
Posted on 2011-03-01 by brianjn (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three W answers (in Numbers) Rating: 4.00
Posted on 2011-02-27 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 520(11) a tenth power? Baseless! (in Just Math) Rating: 2.00
Posted on 2011-02-26 by K Sengupta (No Solution Yet, 1 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 5Penta_Full View (in Shapes)
Posted on 2011-02-24 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Get the last digit II (in Numbers) Rating: 4.00
Posted on 2011-02-23 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Sum Functions Determination (in Just Math)
Posted on 2011-02-19 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5a) is easy, b) is not (in Just Math) Rating: 3.00
Posted on 2011-02-18 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 2 of 5Factorial zeros (in Numbers) Rating: 5.00
Posted on 2011-02-17 by Jer (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Penta_View (in Shapes)
Posted on 2011-02-17 by brianjn (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Upgrade to 13 (in Weights and Scales) Rating: 3.00
Posted on 2011-02-16 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Some sum sod settlement (in Just Math)
Posted on 2011-02-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Pythagoras Unconventional (in Numbers) Rating: 4.00
Posted on 2011-02-10 by brianjn (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Q^2 + R = 1977 (in Just Math)
Posted on 2011-02-08 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5A small difference (in Just Math)
Posted on 2011-02-07 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Counting Quadruplets III (in Just Math)
Posted on 2011-02-06 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Factorial Ratio (in Just Math)
Posted on 2011-02-05 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Powered Greatest Root (in Sequences)
Posted on 2011-02-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5241 (in Just Math)
Posted on 2011-02-02 by Ady TZIDON (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Forty- niners (in Numbers) Rating: 4.00
Posted on 2011-02-01 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5All Wired Up Again (in Logic)
Posted on 2011-02-01 by Brian Smith (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Start as you wish (in Numbers)
Posted on 2011-01-29 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Flipping Even-Odd (in Probability)
Posted on 2011-01-28 by Jer (No Solution Yet, 3 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 5Rook vs Bishop (in Games)
Posted on 2011-01-25 by Ady TZIDON (No Solution Yet, 4 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 5Just P&P (in Numbers) Rating: 4.00
Posted on 2011-01-23 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Numerator Divisibility Nuance (in Just Math)
Posted on 2011-01-22 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5A binary enigma (in Games)
Posted on 2011-01-21 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 4 of 5Two ellipses (in Geometry)
Posted on 2011-01-19 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum and Ratio Sum (in Just Math)
Posted on 2011-01-16 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Term Trial (in Just Math) Rating: 2.50
Posted on 2011-01-15 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Greatest Root Power (in Just Math)
Posted on 2011-01-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Scarce primes (in Numbers) Rating: 3.67
Posted on 2011-01-10 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5p^7 + q^3 = r^2 (in Numbers)
Posted on 2011-01-09 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Near Goldbach Alphametics II (in Numbers)
Posted on 2011-01-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Powers of primes (in Numbers)
Posted on 2011-01-06 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Lucky seven III (in Just Math) Rating: 4.50
Posted on 2011-01-05 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 4 of 55 Digit Number II (in Numbers)
Posted on 2011-01-03 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Happy New Year (in Numbers)
Posted on 2011-01-01 by Ady TZIDON (No Solution Yet, 9 Comments)
Difficulty: 3 of 5Commuting Involutions Maximally (in Just Math)
Posted on 2010-12-31 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 4 of 5Digital Combo-Lock (in Sequences)
Posted on 2010-12-30 by brianjn (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Structured Sequential Square Root Sum (in Just Math)
Posted on 2010-12-29 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Single or double (in Numbers) Rating: 4.00
Posted on 2010-12-24 by Ady TZIDON (No Solution Yet, 6 Comments)
Difficulty: 3 of 5Duplicate Digit Determination III (in Just Math)
Posted on 2010-12-23 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Ambiguous dice (in Just Math)
Posted on 2010-12-21 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Triangular Cubes II (in Probability)
Posted on 2010-12-21 by K Sengupta (No Solution Yet, 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: 4 of 5Some strings attached (in Just Math)
Posted on 2010-12-19 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Pandigitally Powerful (in Numbers)
Posted on 2010-12-18 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Sum Divisors - 1 = Number (in Just Math)
Posted on 2010-12-16 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Nine nine-digits results (in Just Math)
Posted on 2010-12-16 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Distinct Digit Determination II (in Just Math)
Posted on 2010-12-15 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reverse Square to Prime (in Numbers)
Posted on 2010-12-14 by brianjn (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum Prime Power (in Just Math)
Posted on 2010-12-14 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Hail to thee, Sofia! (in Just Math) Rating: 3.00
Posted on 2010-12-13 by Ady TZIDON (No Solution Yet, 10 Comments)
Difficulty: 3 of 5Number = Power Remainder II (in Just Math)
Posted on 2010-12-12 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Seven come eleven (in Numbers) Rating: 4.00
Posted on 2010-12-11 by Ady TZIDON (No Solution Yet, 12 Comments)
Difficulty: 2 of 5Minimum perimeter length (in Geometry) Rating: 4.00
Posted on 2010-12-10 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 4 of 5A piece of pie (in Just Math)
Posted on 2010-12-07 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Multiply Sum and Sum of Squares II (in Numbers)
Posted on 2010-12-07 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Hi, Tori! (in Logic)
Posted on 2010-12-05 by Gamer (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Elegant Exponent Exposition II (in Numbers)
Posted on 2010-12-04 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Mother of nine (in Just Math) Rating: 4.00
Posted on 2010-12-03 by Ady TZIDON (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Dozen Divisibility Dilemma (in Just Math)
Posted on 2010-12-02 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Mlodie de porc (in Cryptography) Rating: 2.00
Posted on 2010-11-30 by brianjn (No Solution Yet, 3 Comments)