Motion in A Straight Line

Question: A train of 150 meter length is going towards north direction at a speed of \[10m/\sec \]. A parrot flies at the speed of \[5\,\,m/\sec \] towards south direction parallel to the railway track. The time taken by the parrot to cross the train is



1) 12 sec
2) 8 sec
3) 15 sec
4) 10 sec
Solution: Explanation: Explanation

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