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Difficulty: 2 of 539 does it (in Just Math) Rating: 5.00
Posted on 2012-02-19 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5More about 1729 (in Numbers) Rating: 5.00
Posted on 2012-01-04 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 2 of 5Unusual Crossword Puzzle (in Word Problems) Rating: 5.00
Posted on 2014-01-09 by Charlie (Solution Posted, 6 Comments)
Difficulty: 3 of 5Triangular Crease 789 (in Shapes) Rating: 5.00
Posted on 2012-05-20 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 3 of 5Factorial Crossed Perfect Square Settlement (in Numbers) Rating: 5.00
Posted on 2023-09-21 by K Sengupta (Solution Posted, 55 Comments)
Difficulty: 3 of 5A's, B's, C's and D's 2 (in Logic) Rating: 5.00
Posted on 2019-07-03 by Charlie (Solution Posted, 13 Comments)
Difficulty: 3 of 5Who stole the Perplexicon? (in Liars and Knights) Rating: 5.00
Posted on 2012-01-11 by Dustin (Solution Posted, 10 Comments)
Difficulty: 1 of 5Prove irrationality (in Just Math) Rating: 5.00
Posted on 2011-08-07 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Family tree (in Logic) Rating: 5.00
Posted on 2016-01-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Oh no, not Monty again! (in Probability) Rating: 5.00
Posted on 2015-06-17 by broll (Solution Posted, 9 Comments)
Difficulty: 4 of 5Does It Continue? 11 (in Just Math) Rating: 5.00
Posted on 2019-02-10 by Brian Smith (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Crossword puzzles (in Algorithms) Rating: 5.00
Posted on 2019-05-21 by Math Man (No Solution Yet, 10 Comments)
Difficulty: 4 of 5Sixes and Sevens--Not! (in Numbers) Rating: 5.00
Posted on 2012-08-12 by Charlie (Solution Posted, 33 Comments)
Difficulty: 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 5Four people II (in Logic) Rating: 5.00
Posted on 2012-04-11 by K Sengupta (Solution Posted, 6 Comments)
Difficulty: 3 of 5Don't assume you know this concave pentagon (in Geometry) Rating: 5.00
Posted on 2019-09-01 by Brian Smith (No Solution Yet, 15 Comments)
Difficulty: 1 of 5KISS solution (in Just Math) Rating: 5.00
Posted on 2021-12-29 by Ady TZIDON (Solution Posted, 8 Comments)
Difficulty: 3 of 5Pigeons again (in Sequences) Rating: 5.00
Posted on 2012-07-22 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5From primes to palindrome (in Numbers) Rating: 5.00
Posted on 2012-03-24 by Ady TZIDON (Solution Posted, 7 Comments)
Difficulty: 2 of 53x3 Grid Logic (in Logic) Rating: 5.00
Posted on 2010-09-23 by K Sengupta (Solution Posted, 5 Comments)
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