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 drunkard is walking along a straight road. He takes 5 steps forward

1.	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
Answer» 21 s 29 s 31 s 37 s Answer :B