The Fix Is In (in Just Math) Rating: 4.00 Posted on 2006-11-17 by Richard (Solution Posted, 12 Comments)
Consecutive Odd and Prime (in Numbers) Rating: 2.25 Posted on 2006-11-08 by Richard (Solution Posted, 4 Comments)
Optimizing The Train (in Just Math) Rating: 3.00 Posted on 2006-10-04 by Richard (Solution Posted, 1 Comments)
Eleven Square Roots in a Logarithm (in Algorithms) Rating: 3.33 Posted on 2006-09-05 by Richard (Solution Posted, 6 Comments)
Sign of a Permutation (in Algorithms) Rating: 3.20 Posted on 2006-08-05 by Richard (Solution Posted, 11 Comments)
A Cute Triangle (in Geometry) Rating: 3.50 Posted on 2006-07-21 by Richard (Solution Posted, 4 Comments)
Ambidextrous Cancellation Mission (in Just Math) Rating: 4.00 Posted on 2006-07-20 by Richard (Solution Posted, 20 Comments)
When Is It Today? (in General) Rating: 4.00 Posted on 2006-07-11 by Richard (Solution Posted, 14 Comments)
Mystery Figures (in Geometry) Rating: 3.50 Posted on 2006-03-07 by Richard (Solution Posted, 1 Comments)
Levik's Ride (in Word Problems) Rating: 4.00 Posted on 2006-02-22 by Richard (Solution Posted, 26 Comments)
Another Man's Floor (in Algorithms) Rating: 4.50 Posted on 2005-11-23 by Richard (Solution Posted, 11 Comments)
Dotty Right Triangle (in Numbers) Rating: 4.50 Posted on 2005-06-09 by Richard (Solution Posted, 6 Comments)
Sunday the 1st (in Numbers) Rating: 3.50 Posted on 2005-04-18 by Richard (Solution Posted, 7 Comments)
Extreme Productivity (in Numbers) Rating: 4.00 Posted on 2005-02-09 by Richard (Solution Posted, 1 Comments)
Sweet Sixteener (in Numbers) Rating: 4.00 Posted on 2005-02-03 by Richard (Solution Posted, 5 Comments)
The Rule of 72 (in Just Math) Rating: 3.67 Posted on 2005-01-25 by Richard (Solution Posted, 6 Comments)
Merit Review (in Sequences) Rating: 4.29 Posted on 2004-09-28 by Richard (Solution Posted, 6 Comments)
Half Squared (in Shapes) Rating: 3.20 Posted on 2004-04-08 by Richard (Solution Posted, 12 Comments)
Disjointification (in Just Math) Rating: 3.17 Posted on 2004-04-04 by Richard (Solution Posted, 12 Comments)
