Question:
A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
[A].5 sec
6 sec
7 sec
10 sec
A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
Speed of train relative to man = (60 + 6) km/hr = 66 km/hr.
| = | 66 x | 5 | m/sec | |
| 18 |
| = | 55 | m/sec. | |
| 3 |
| Time taken to pass the man = | 110 x | 3 | sec = 6 sec. | |
| 55 |