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How many seconds will a train 120 metre long running at the rate of 36 km/hr take to cross a bridge of 360 metres in length ?
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- 48 sec
- 40 sec
- 46 sec
- 36 sec
Correct Option: A
Speed of train = 36 kmph
| = |  |  | m/sec. | |
| 18 |
= 10 m/sec
| Required time = | |
| Speed of train |
| = | = | = 48 seconds | ||
| 10 | 10 |
