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Two trains are running 40 km/hr and 20 km/hr respectively in the same direction. The fast train completely passes a man sitting in the slow train in 5 seconds. The length of the fast train is
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23 2 m 9 - 27 m
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27 7 m 9 - 23 m
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Correct Option: C
Relative speed = 40 – 20 = 20 km/hour
| = | m/sec. | |
| 18 |
| ∴ Length of the faster train = | × 5 metres | |
| 18 |
| = | = 27 | metres | ||
| 9 | 9 |
