Logic puzzles, riddles, math puzzles and brainteasers - pzzls.com

Vandaag is het 24 March 2018

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Boiling an egg - logic puzzle


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Suppose you would like to boil an egg for exactly 15 minutes. But you only have two hourglasses, one of zeven and one of eleven minutes. What is the the fastest way to do this? egg


The fastest way takes 15 minutes.