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

Vandaag is het 23 September 2017

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Brick tower - science puzzle

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   Rating: 2.6/5.0

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Suppose you have an infinite number of bricks and no cement or another material to connect the bricks to each other. You would like to build a tower like the one in the figure. How many bricks do you need in order to build a tower in which the highest brick is shifted three bricks with respect to the lowest brick?

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Boat and stone - science puzzle

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   Rating: 2.8/5.0

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Suppose you sit in a rubber boat in a swimming pool. In the boat lies a stone. You throw this stone from the boat into the pool. Will the water level in the pool raise or drop?

Day away - science puzzle

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   Rating: 2.9/5.0

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Sarah and Mike conclude that it is wednesday. But five minutes later it is already friday. How is that possible?