Vishwanath
Monday, February 18, 2013
32. | A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?
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A. | 3.6 sec | B. | 18 sec | C. | 36 sec | D. | 72 sec |
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Answer: Option C
Explanation:
Speed of train relative to jogger = (45 - 9) km/hr = 36 km/hr.
= 10 m/sec.
Distance to be covered = (240 + 120) m = 360 m.
Time taken = |
| 360 | sec | = 36 sec. |
10 |
Title : Trains Q32
Description : 32. A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in ...
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