A drunkard is walking along a straight road. He takes 5 steps forward and 3 steps backward, followed by 5 steps forward and 3 steps backward and so on. Each step is one meter long and takes one second.There is a pit on the road 11 meters away from the starting point. The drunkard will fall into the pit after________
A. 29 s
B. 21 s
C. 37s
D. 31 s
Answer:A
A drunkard is walking along a straight road. He takes 5 steps forward and 3 steps backward, followed by 5 steps forward and 3 steps backward and so on. Each step is one meter long and takes one second.There is a pit on the road 11 meters away from the starting point. The drunkard will fall into the pit after________
A. 29 s B. 21 s C. 37s D. 31 s