Can you solve it? Are you smarter than a Navy admiral?

A trio of tricky teasers Tanya Khovanova is a luminary of the recreational mathematics scene. She is one of its foremost bloggers and also runs Number Gossip , a site where you can sumbit a number and she “will tell you everything you want to know about it but were afraid to ask.” Tanya has now written her first book, Mathematical Puzzles and Curiosities, in collaboration with two other puzzle enthusiasts, Ivo David and Yogev Shpilman. It’s packed with fantastic new puzzles and twists on old ones. Continue reading...

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