CHALLENGING MATH PROBLEMS torrent

Author: Terry Stickels
Edition: First Edition, First ed. edition
Publication Date: October 21, 2015
Publisher: Dover Publications
ISBN-10: 0486795535
ISBN-13: 978-0486795539
Pages: 112 pages
Format: epub
Size: 4.6M

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"Fun and highly formidable math problems and puzzles from noted puzzle creator Terry Stickels." — Window on Resources
Two 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 well-known puzzle-maker, 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 puzzle-solvers love, and they`re all fun. Complete solutions for all puzzles explain every detail.

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