101 Puzzles in Thought and Logic
Do you like puzzles based on logic and reasoning? Try this one: In a certain bank the position of cashier, manager, and teller are held by Brown, Jones, and Smith, though not necessarily in that order. The teller, who was an only child, earns the least. Smith, who married Brown's sister, earns more than the manager. What position does each man fill? If you like to entertain yourself and stretch mental muscles on problems like this or more difficult ones, here are 101 entirely new problems for which you need no special knowledge, no mathematical training--simply the ability to reason clearly. Follow these problems through and you will not only increase your ability to think in abstractions, but you will enjoy solving murder problems and robberies, see which fishermen are liars and how a blind man can identify color purely by logic, and enjoy dozens of interesting situations. Puzzles range from easy to relatively difficult, and will please both beginners and experts.
Format:Paperback
Language:English
ISBN:0486203670
ISBN13:9780486203676
Release Date:June 1957
Publisher:Dover Publications
Length:128 Pages
Weight:0.55 lbs.
Dimensions:0.3" x 5.4" x 8.0"
Age Range:10 years and up
Grade Range:Grade 5 and higher
Customer Reviews
1 rating
Puzzles that can be solved with reasonable persistence
Published by Thriftbooks.com User , 18 years ago
The first sixty-three puzzles in this collection have the form: In a certain bank, the positions of cashier, manager and teller are held by Brown, Jones and Smith, although not necessarily respectively. The teller, who was an only child, earns the least. Smith, who married Brown's sister, earns more than the manager. What position does each man fill? Most of the rest are arithmetic problems where some of the digits are absent or represented by letters. For example, number ninety-two is SPEND - LESS ---------- MONEY Solutions to all of the puzzles are given at the end. While the puzzles require some thought, none is of the extreme stumper variety. By using a pencil and paper and working through the possibilities, all can be solved in a short period of time. Puzzles like this are excellent mental fodder and a good way to pass the time productively. In general, I enjoy working such problems and had a lot of fun with those in this book.
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