Q208
In order to reach his office on time, Mr. Roy goes through the middle passage of a round fort which he takes 14 minutes to pass through. However, on a certain day, due to repairs, the straight road being blocked, he had to take the roundabout way as a result of which he reached his office late. How late was he ?
A.
6 min
B.
8 min
AnswerC.
12 min
D.
7 min
Answer: Option B
Solution
Answer: Option B
Solution:
Let the diameter of the round fort be DDistance through the middle passage = D
Roundabout distance =
Time taken to cover distance D = 14 min
Time taken to cover distance :
∴ Required time difference = (22 - 14) min = 8 min