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

Vandaag is het 16 January 2018

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A strong currency? - science puzzle

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   Rating: 2.6/5.0

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

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?

The pzzls eye test - science puzzle

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Close one of your two eyes. Move your head close to the monitor and watch concentratedly to the left circle if you closed your left eye. You should look to the right circle if you closed your right eye. Keep watching and move your head slowly backwards while checking the other circle. What happens? And how is that possible?
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