BANKING Content

RRB ALP 17th Aug 2018 Shift-2 Question 5

Question 5

A train travelling at 76 km/h crosses a 450 m long platform in 27 seconds. What is the length of the train?

Solution

The speed of a train$$= 76 kmph = 76\times \frac{ 5}{18} =\frac{ 190}{9}$$ mps

Train crosses a 450 m long platform in 27 seconds.

So distance covered by train $$ = speed \times time = \frac{ 190}{9} \times 27$$= 570 m

Thus the length of train will be 570-450 = 120 m.



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