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A drunkard is walking along a straight r...

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

A

21 s

B

29 s

C

31 s

D

37 s

Text Solution

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The correct Answer is:
B
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