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

Vandaag is het 15 June 2024

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Light a candle - math puzzle of the day

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   Rating: 3.1/5.0

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In a group of 200 people, everybody has a non burning candle. On person has a match at lights at some moment his candle. With this candle he walks to somebody else and lights a new candle. Then everybody with a burning candle will look for somebody without a burning candle, and if found they will light it. This will continue until all candles are lit. Suppose that from the moment a candle is lit it takes exactly 30 seconds to find a person with a non burning candle and light that candle. From the moment the first candle is lit, how long does it take before all candles are lit? candles

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