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In a foot race, Abe was neither first nor last. Cal beat Doug, Bruce beat Abe, Abe beat Ed but was beaten by Cal, and Doug beat Bruce. Who was last?
Arrange four chess pieces so that every piece attacks exactly four empty squares.
In the USA, is it possible to travel by car in such a way that you visit exactly seven states and enter them in alphabetical order?
What do these words have in common: commerce, canoodle, funnel, recessive?
You have 12 pounds of nails and a large 2-pan balance. How can you measure out 9 pounds of nails?
Find identical jigsaw puzzle pieces, rearrange digits to form correct equations, solve crossword puzzles that spell out pithy quotations, and revel in other original brainteasers. This successor to Puzzle Box, Volume 1 presents another 300 challenges created by a team of a dozen renowned mathematicians and puzzle creators.
Seventeen different types of puzzles include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchstick puzzles, mazes, moving pieces, number puzzles, put-togethers, strimkos, sudoku, and visual and word puzzles. The difficulty level of each puzzle is marked by stars, ranging from 2 to 5; 3 stars indicate an average-level challenge. Whether you prefer picture puzzles or word puzzles or number puzzles, this fun-filled collection guarantees hours of entertainment.
Arrange four chess pieces so that every piece attacks exactly four empty squares.
In the USA, is it possible to travel by car in such a way that you visit exactly seven states and enter them in alphabetical order?
What do these words have in common: commerce, canoodle, funnel, recessive?
You have 12 pounds of nails and a large 2-pan balance. How can you measure out 9 pounds of nails?
Find identical jigsaw puzzle pieces, rearrange digits to form correct equations, solve crossword puzzles that spell out pithy quotations, and revel in other original brainteasers. This successor to Puzzle Box, Volume 1 presents another 300 challenges created by a team of a dozen renowned mathematicians and puzzle creators.
Seventeen different types of puzzles include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchstick puzzles, mazes, moving pieces, number puzzles, put-togethers, strimkos, sudoku, and visual and word puzzles. The difficulty level of each puzzle is marked by stars, ranging from 2 to 5; 3 stars indicate an average-level challenge. Whether you prefer picture puzzles or word puzzles or number puzzles, this fun-filled collection guarantees hours of entertainment.
