Math Puzzles for the Clever Mind - Softcover

Derrick Niederman

9788122203455: Math Puzzles for the Clever Mind

Softcover

ISBN 10: 8122203450 ISBN 13: 9788122203455

Publisher: Orient Paperbacks, 2006

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Give your mind a mathematical workout.

Test, prod, and stretch your wits to the outer limits. Even if you re extra clever, you might get stumped, but we guarantee you'll enjoy every minute of it! Sharpen your smarts on a combination of original puzzles, and classic teasers with new twists. Some have surprising answers, but none involve advanced math. Try this one:
Many years ago, a farmer had 200 shekels with which to purchase 100 animals. Cows cost 20 shekels apiece, pigs cost 6 shekels apiece, while a sheep could be purchased for a single shekel. Assuming that he had to purchase at least one of each of the three animals, and assuming that he had to use all of his money, how many of each kind of animal did he purchase?"

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Book Description:

The most popular numbers games are math puzzles, and you ve come to the right place to find 100 examples of the best. Here s an example: Find the shortcut for adding 2, 3 and 4 to form 6 different 3-digit numbers. Or, try this one: What is the smallest number that when multiplied by 3 gives an answer consisting of all 4 s? Other games and puzzles involve flipping coins, burning candles and taking apart a Rubik s cube in your head. (There s also a puzzle called Cubic s Rube.) Still others challenge you to nab a thief based on his lies, and figure out how a sheep survives in a pen with 16 very hungry but logical lions, but would be eaten very quickly if there were only 15.

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