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A repository of numbers and logic puzzles
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cotpi.com
Apr 6, 2012, 2:08:55 PM4/6/12
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http://cotpi.com/ is a repository of old as well as new puzzles. A new
math puzzle is added every Sunday. You can also follow it on
http://www.facebook.com/cotpi.com or http://twitter.com/cotpi to stay
updated.
math puzzle is added every Sunday. You can also follow it on
http://www.facebook.com/cotpi.com or http://twitter.com/cotpi to stay
updated.
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