39 does it (in Just Math) Rating: 5.00
Posted on 2012-02-19 by Ady TZIDON (Solution Posted, 4 Comments)
Posted on 2012-02-19 by Ady TZIDON (Solution Posted, 4 Comments)
Factorial Crossed Perfect Square Settlement (in Numbers) Rating: 5.00
Posted on 2023-09-21 by K Sengupta (Solution Posted, 81 Comments)
Posted on 2023-09-21 by K Sengupta (Solution Posted, 81 Comments)
Triangular Crease 789 (in Shapes) Rating: 5.00
Posted on 2012-05-20 by K Sengupta (No Solution Yet, 7 Comments)
Posted on 2012-05-20 by K Sengupta (No Solution Yet, 7 Comments)
More about 1729 (in Numbers) Rating: 5.00
Posted on 2012-01-04 by Ady TZIDON (Solution Posted, 8 Comments)
Posted on 2012-01-04 by Ady TZIDON (Solution Posted, 8 Comments)
Four people II (in Logic) Rating: 5.00
Posted on 2012-04-11 by K Sengupta (Solution Posted, 6 Comments)
Posted on 2012-04-11 by K Sengupta (Solution Posted, 6 Comments)
Unusual Crossword Puzzle (in Word Problems) Rating: 5.00
Posted on 2014-01-09 by Charlie (Solution Posted, 7 Comments)
Posted on 2014-01-09 by Charlie (Solution Posted, 7 Comments)
3x3 Grid Logic (in Logic) Rating: 5.00
Posted on 2010-09-23 by K Sengupta (Solution Posted, 5 Comments)
Posted on 2010-09-23 by K Sengupta (Solution Posted, 5 Comments)
A'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)
Posted on 2019-07-03 by Charlie (Solution Posted, 13 Comments)
Who stole the Perplexicon? (in Liars and Knights) Rating: 5.00
Posted on 2012-01-11 by Dustin (Solution Posted, 10 Comments)
Posted on 2012-01-11 by Dustin (Solution Posted, 10 Comments)
Fibonacci Thimbles (in Numbers) Rating: 5.00
Posted on 2024-07-15 by K Sengupta (No Solution Yet, 2 Comments)
Posted on 2024-07-15 by K Sengupta (No Solution Yet, 2 Comments)
Prove irrationality (in Just Math) Rating: 5.00
Posted on 2011-08-07 by Ady TZIDON (Solution Posted, 4 Comments)
Posted on 2011-08-07 by Ady TZIDON (Solution Posted, 4 Comments)
Family tree (in Logic) Rating: 5.00
Posted on 2016-01-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Posted on 2016-01-15 by Ady TZIDON (No Solution Yet, 2 Comments)
Four Points in a Square (in Probability) Rating: 5.00
Posted on 2023-01-12 by K Sengupta (Solution Posted, 10 Comments)
Posted on 2023-01-12 by K Sengupta (Solution Posted, 10 Comments)
Oh no, not Monty again! (in Probability) Rating: 5.00
Posted on 2015-06-17 by broll (Solution Posted, 9 Comments)
Posted on 2015-06-17 by broll (Solution Posted, 9 Comments)
Does It Continue? 11 (in Just Math) Rating: 5.00
Posted on 2019-02-10 by Brian Smith (No Solution Yet, 3 Comments)
Posted on 2019-02-10 by Brian Smith (No Solution Yet, 3 Comments)
Crossword puzzles (in Algorithms) Rating: 5.00
Posted on 2019-05-21 by Math Man (No Solution Yet, 10 Comments)
Posted on 2019-05-21 by Math Man (No Solution Yet, 10 Comments)
Sixes and Sevens--Not! (in Numbers) Rating: 5.00
Posted on 2012-08-12 by Charlie (Solution Posted, 33 Comments)
Posted on 2012-08-12 by Charlie (Solution Posted, 33 Comments)
Name it correctly (in Logic) Rating: 5.00
Posted on 2012-08-16 by Ady TZIDON (No Solution Yet, 8 Comments)
Posted on 2012-08-16 by Ady TZIDON (No Solution Yet, 8 Comments)
Don't assume you know this concave pentagon (in Geometry) Rating: 5.00
Posted on 2019-09-01 by Brian Smith (No Solution Yet, 18 Comments)
Posted on 2019-09-01 by Brian Smith (No Solution Yet, 18 Comments)
KISS solution (in Just Math) Rating: 5.00
Posted on 2021-12-29 by Ady TZIDON (Solution Posted, 8 Comments)
Posted on 2021-12-29 by Ady TZIDON (Solution Posted, 8 Comments)