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Divide a rectangular cake into five even pieces, calculate the cost of running a successful casino, figure out the maximum number of losses on the road to winning the U.S. Open Tennis Championship, and solve other amusing and challenging puzzles - including a mathematical brainteaser involving a couple of holes of golf on the surface of the moon. In addition to logical puzzles and mathematical paradoxes, this original collection features a variety of word problems and sports-related riddles. The puzzles, which vary in complexity from playful propositions to tough mathematical conundrums, are suitable for ages 12 and up. Detailed solutions appear at the end.