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Bibu Posted 21 years ago
Jokes, Puzzles & Riddles

mathematical puzzle

4 people want to cross a dark bridge(with no lights).Each one could pass to the next side alone or with another one maximum.They have a lantern that can burn for 17 seconds and turn off forever.One of them passes in 10 seconds,the other in 5 seconds,the third in 2 seconds and the last in 1 second.
  

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Hi Bibu What's the question ?

  • Hi Bibu What's the question ?
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3 Answers
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Hi Bibu

What's the question ?
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Bibu

Ah ,i think i know where you are coming from now. The best way to explain would be to call the four people A,B,C,and D

A can cross in 1 second. B can cross in 2 seconds. C can cross in 5 seconds and D can cross in 10 seconds.

The lantern can only burn for 17 seconds, so the obvious solution would at first seem to get the fastest person

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