This is a classic puzzle asked in most of the interview questions. Well there are four persons A,B,C and D. All the four persons takes different times to cross the bridge.
person A :1 minute
person B :2 minutes
person C :5 minutes
person D :10 minutes
There is only one Torch available and it is required in crossing the bridge.Two persons can cross the bridge at the same time but will take the time the of the slower one.For Example : if A and C wants to cross the bridge first they will take 5 minutes. All the four persons can come to the other side in 17 minutes. Can you Explain how?
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person A :1 minute
person B :2 minutes
person C :5 minutes
person D :10 minutes
There is only one Torch available and it is required in crossing the bridge.Two persons can cross the bridge at the same time but will take the time the of the slower one.For Example : if A and C wants to cross the bridge first they will take 5 minutes. All the four persons can come to the other side in 17 minutes. Can you Explain how?
Click Here for the Solution
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