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

Vandaag is het 29 March 2024

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Fake coins - logic puzzle

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   Rating: 3.0/5.0

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Suppose you have five bags filled with the same type of coins and a weigthing machine. One of this bags is completely filled with fake coins, the other bags contain only real ones. A real coin weights 10 gram and a fake one 11 gram.
What is the minimal number of times you need to use the weighting machine in order to find the bag with the fake coins?
bag with coins

American History X - logic puzzle

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   Rating: 2.9/5.0

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The image on the right hand side refers to an important event in American history.
What does it refer to?
americanhistory

Cucumbers - math puzzle

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   Rating: 2.8/5.0

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In the morning a green-grocer puts 200 kg cucumbers outside in front of his shop. These cucumbers consists for 99% out of water. Because it is a warm day some water will evaporate. As a result, at the end of the day the cucumbers consist for 98% out of water. How many kg's of these cucumbers are left at the end of the day?
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