question_answer

A train of 150 m length is going towards north direction at a speed of\[10\text{ }m{{s}^{-1}}\]. A parrot flies at a speed of \[5\,m{{s}^{-1}}\] towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to:

A)  12 s                      

B)         8 s

C)  15 s                      

D)         10 s

E)  5s