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Brain Teasers and Puzzles 


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Puzzle 573 


James, Simon, Ian, and William all like walking.

But Dave, Steven, Alan, and Alastair do not.

Does Adrian?

Puzzle Copyright © Kevin Stone

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Puzzle 574 


What is the minimum number of queens required on a chessboard such that all squares are attacked?

Queen On C3

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Puzzle 575 


On which side of a cup …

… is it best to have the handle?

workings hint answer print

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Puzzle 576 


Can you find a valid sentence …

… which has two consecutive ANDs in it?

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