Amazing Math Puzzles

PDF-file by Adam Hart-Davis

Amazing Math Puzzles PDF ebook download Discover math puzzles everywhere—in pizzas, mirrors, bicycles, candy, hot dogs—and also ancient pyramids, pirates' treasure, and a witch's cauldron. These 82 tantalizing examples will work your brain cells and stump your friends. Solve this one: if you have six pairs of pink gloves and six pairs of yellow ones in your drawer, how many do you have to take out to make sure you've got a pair? (Answer: 13—don't forget left and right!)

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