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A train that is 280 metres long, travelling at a uniform speed, crosses a platform in 60 seconds and passes a man standing on the platform in 20 seconds. What is the length of the platform in metres?
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- 406
- 442
- 676
- 560
Correct Option: D
Let the length of platform = x m
and train length = 280 m (given)
According to Question
| = | |||
| 60 | 20 |
∴ x = 560 m.
