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

Vandaag is het 26 May 2018

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Predicting share prices - math puzzle

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What will be the probability that the price of a randomly choosen share that can be bought on the euronext stock exchange in Amsterdam, starts with the digit 1? aex-index

Apple - math puzzle

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Eric has a perfect spherical shaped apple. With a cilindrically shaped drill bit he removes the core of the apple. A cilindrically shaped hole remains, the center of this hole is exactly at the center of the apple. Eric measures the length of the hole with a piece of rope. It turns out to be exactly 8 cm. What is the volume of the remaining apple? apple

Self Ref - math puzzle

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Find a number ABCDEFGHIJ such that A is the count of how many 0's are in the number, B is the number of 1's, and so on.