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A drunkard is walking along a straight r...

A drunkard is walking along a straight road.He takes 5 steos forward and 3 step backward and so on.Each step is 1m long and takes 1s.There is a pit on the road 11m away fro the starting point.The drunked will fall into the pit after

A

21s

B

29s

C

31s

D

37s

Text Solution

Verified by Experts

The correct Answer is:
B
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