Under Pushing Numbers 2 (in Logic) Posted on 2007-05-22 (6 Comments) |
Under Six hundred coins (in Probability) Posted on 2006-12-22 (13 Comments) |
Under A Printing Machine Problem (in Probability) Posted on 2006-07-19 (6 Comments) |
Under Infinite Tic-Tac-Toe (in Games) Posted on 2006-06-09 (12 Comments) |
Under Tackling a Tall Problem (in Geometry) Posted on 2005-03-11 (10 Comments) |
Under Lowest & Highest (in Sequences) Posted on 2005-02-24 (11 Comments) |
Under Circle, Circle, Triangle, Circle! (in Geometry) Posted on 2004-09-08 (10 Comments) |
Under More Bird Watching (in Tricks) Posted on 2004-06-02 (15 Comments) |
Under Poetry in motion (in Riddles) Posted on 2004-03-25 (152 Comments) |
Under Counting Exercise (in Numbers) Posted on 2003-09-10 (10 Comments) |
Under Telephone Call (in Tricks) Posted on 2003-06-30 (26 Comments) |