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There are eight doors in front of you labeled A through H. Behind one of the doors is a prize. A guard is aware of the prize’s location but will only answer yes or no questions. What is the minimum ...

Here’s a fairly recent twist on an old type of logic puzzle. A logician vacationing in the South Pacific finds himself on an island inhabited by the two proverbial groups of liars and truth-tellers.

Playing linear number board games, those where players move pieces along a straight numbered path, can significantly ...