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

Vandaag is het 19 July 2018

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Long rope - math puzzle

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   Rating: 2.8/5.0

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Suppose you have an enormous long rope. You place this rope on the soil along the equator, such that the rope forms a circle around the earth. After you have finished this big job, you increase the length of the rope by one meter. How far from the soil do yo have to attach the rope to make again a circle around the equator? Assume that the earth is a perfect sphere, without mountains etc. earth

Risk tournament - math puzzle

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   Rating: 2.7/5.0

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The great Risk tournament is organized again. This year there are 1000 contestants. Each game in the tournament is played with 4 people. After each game, there will be one winner which goes to the next round. In the next round again groups of 4 players are formed. If one does not get an exact multiple of 4 in this way, some of the players in this round are selected randomly. These players can go to the following round automatically. In the end there will be one winner. How many games will be played?

Self Ref - math puzzle

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   Rating: 2.7/5.0

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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.