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The lengths of a train and a platform are equal. If a train running at a speed of 90 km/h, crossed the platform in 1min, then find the length of the train. ?
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- 500 m
- 550 m
- 600 m
- 750 m
Correct Option: D
Let length of both train and platform be L.
Distance covered by the train to cross the platform = L + L = 2L
Time =1 min = 60 s
and speed = 90 km/h = 90 x 5/18 = 25 m/s
∴ Distance = Speed x Time
⇒ 2L = 25 x 60
⇒ L = 750 m
