A train of 150m length is going towards north direction at a speed of 10 m/s. A parrot flies at the speed of 5m/s towards south direction parallel to the railway track. The time taken by the parrot to cross the train is
a) 12 sec b) 8 sec c) 15 sec d) 10 sec
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d) In 10sec parrot will have been crossed train at the track
use formula t=distance/speed=> 150/10+5=>10sec
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