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

Vandaag is het 26 April 2017

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Rolling from a slope - science puzzle

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At the same time a block of iron and an equally heavy iron sphere are released from the top of a slope. Assume that the friction between the slope has a negligible effect on the velocity of the block and the sphere. Which of the two will be down first?

Workaholic - science puzzle

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On a particular evening a business man decides to work for some hours at his office in London because his wife gets out with her friends. After some hard work he opens the curtains of his office and looks outside (see the picture), but immediately he gets in panic. Why? city at night

A strong currency? - science puzzle

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There is something strange with the 5 euro note. What is it? 5 euro