Challenging Math Problems (Dover Puzzle Books: Math Puzzles),Used

Challenging Math Problems (Dover Puzzle Books: Math Puzzles),Used

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SKU: SONG0486795535
UPC: 800759795536
Brand: Dover Publications
Regular price$12.70
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"Fun and highly formidable math problems and puzzles from noted puzzle creator Terry Stickels." Window on ResourcesTwo friends wish to meet for breakfast twice a month throughout the year. In how many ways can they choose those two days so that they never meet on consecutive days?You want to measure 30 seconds and you have two pieces of string, each of which burns for 40 seconds. How can you accomplish this without bending, folding, or cutting the strings?A positive whole number is divisible by 3 and also by 5. When the number is divided by 7, the remainder is 5. What is the smallest number that could work?These are but a few of this book's assembly of the most challenging puzzles imaginable and they require no background in higher math, just good thinking skills. Terry Stickels, a wellknown puzzlemaker, has compiled 101 of some of the best and most entertaining problems ever published. All of the challenges, which range from probability puzzles to dice games, have two things in common: each offers the "Aha!" moment of discovery that puzzlesolvers love, and they're all fun. Complete solutions for all puzzles explain every detail.

⚠️ WARNING (California Proposition 65):

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information, please visit www.P65Warnings.ca.gov.

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