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A train of 150 metre long is going towards north direction at a speed of 10 m/s . A parrot flies at the speed of 5 m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is
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- 12 sec
- 8 sec
- 15 sec
- 10 sec
Correct Option: D
Relative velocity of parrot w.r.t the train
= 10 – (–5) = 15 ms-1.
Time taken by parrot to cross the train
= 150/15 = 10s
