Puzzle Box, Volume 1
List Price:
$19.95
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- 1-Color Imprint: $2.00 ea.
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Product Details
Author:
Peter Grabarchuk, Serhiy Grabarchuk, Peter Winkler, Andrea Gilbert, Bram Cohen, Helen Grabarchuk, Donald Knuth, Ed Pegg, Jr., Richard Candy, Erich Friedman, Harry Nelson, Shelly Hazzard, Tanya Grabarchuk
Format:
Paperback
Pages:
96
Publisher:
Dover Publications (November 16, 2016)
Language:
English
ISBN-13:
9780486810041
ISBN-10:
0486810046
Weight:
11.2oz
Dimensions:
8.25" x 11"
Case Pack:
40
File:
Dover-Dover_05022026_P10034514_onix30_Complete-20260501.xml
As low as:
$18.95
List Price:
$19.95
Publisher Identifier:
P-DOVER
Discount Code:
D
Series:
Dover Brain Games & Puzzles
Audience:
General/trade
Pub Discount:
65
Imprint:
Dover Publications
Folder:
Dover
Overview
Multiplying my age by 6 then subtracting 6 produces the same result as subtracting 7 from my age then multiplying by 7. How old am I?
On my broken calculator with keys + - ÷ x =, the only functional number is 7. How can I get 34 to appear in the readout?
A country mints four denominations of coins, in whole numbers of cents. It takes four of these coins to make 21¢, or 24¢, or 25¢, or 26¢. What are the denominations of the coins?
These and almost 300 other mathematical puzzles appear in this original collection, devised by world-renowned mathematicians, puzzle creators, and devoted puzzle lovers. A unique puzzle project, it unites the efforts of a dozen authors, including software engineer Andrea Gilbert and Bram Cohen, author of the P2P BitTorrent protocol.
Seventeen different types of challenges include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchstick puzzles, mazes, moving pieces, number puzzles, put-togethers, strimko, sudoku, visual puzzles, weightings, and word puzzles. The difficulty level of each puzzle is marked by stars, ranging from 2 to 5. Average difficulty level is about 3 stars, promising puzzle enthusiasts many entrancing hours of solving and enjoyment.
On my broken calculator with keys + - ÷ x =, the only functional number is 7. How can I get 34 to appear in the readout?
A country mints four denominations of coins, in whole numbers of cents. It takes four of these coins to make 21¢, or 24¢, or 25¢, or 26¢. What are the denominations of the coins?
These and almost 300 other mathematical puzzles appear in this original collection, devised by world-renowned mathematicians, puzzle creators, and devoted puzzle lovers. A unique puzzle project, it unites the efforts of a dozen authors, including software engineer Andrea Gilbert and Bram Cohen, author of the P2P BitTorrent protocol.
Seventeen different types of challenges include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchstick puzzles, mazes, moving pieces, number puzzles, put-togethers, strimko, sudoku, visual puzzles, weightings, and word puzzles. The difficulty level of each puzzle is marked by stars, ranging from 2 to 5. Average difficulty level is about 3 stars, promising puzzle enthusiasts many entrancing hours of solving and enjoyment.
