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A train of 150 m length is going toward ...

A train of `150 m` length is going toward north direction at a speed of `10 ms^-1`. A parrot flies at a speed of `5 ms^-1` toward south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to.

A

`12s`

B

`8s`

C

`15s`

D

`10s`

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The correct Answer is:
D
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