Latest Others Aptitude Question SOLUTION: There are four persons A,B,C and D. They are travelling at night. one bridge come in their way. The bridge has a capacity to hold only two persons at one time. They have only torch

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(#M40030232) OTHERS question Logical Reasoning Question Keep an EYE

There are four persons A,B,C and D. They are travelling at night. one bridge come in their way. The bridge has a capacity to hold only two persons at one time. They have only torch and one torch is mandatory to cross the bridge. A,B,C and D can individually cross the bridge in 2,3,4 and 5 min respectively.
option
1. Name two persons out of these four who will take minimum time to cross the bridge?
2. Name two persons who will take maximum time to cross the bridge.
3. who will go first?
4. who will go last?

Asked In Others GAURAV (10 years ago)

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Nitika Sharma  (10 years ago)

1. 2 and 3 will take minimum time to cross the bridge.
2. 4 and 5 will take maximum time to cross the river
3. 2 and 3 will go first
4. 2 and 3 will go last.

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GAURAV  (10 years ago)

Please elaborate Ms Nitika , how?? Please explain ??

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Mahesh  (10 years ago)

The solution should look for minimum time.
So the first step is A(2) and B(3) go to the other side of the bridge, this process takes 3 minutes, that is the speed of the slowest person.
A(2) comes back
C(3) and D(5) goes to the other side, which will take 5 minutes, the speed of the slowest person.
B(3) comes back with the torch.
A(2) and B(3) will cross the bridge in the last step

I agree with the answers given

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