Question
A train crosses a platform 100 m long in 60 s at a speed
of 45 km/h. The time taken by the train to cross an electric pole isSolution
Let the length of the train be D,
Then, S = D/T
45 x (5/18) = (D + 100)/60
D = 650 m
Now, when trains crosses the electric pole
45 x (5/18) = 650/T
T = 52 sec
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