Question

a 150 long train is moving towards north with a velocity of 10m/s. a parrot is flying in the south parallel to train at 5m/s.the time taken by the parrot in crossing the train is

Answer 1

Velocity of train is 10m/s
Velocity of parrot is 5m/s
So their relative velocity is 15m/s

Therefore, time taken to cross 150m is 150/15 = 10sec

Answer 2

Answer is 10seconds