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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