Question
In how much time will a train of length 100 m, moving at 36 kmph cross an electric pole?
Answer: Option D
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Convert kmph to mps. 36 kmph = 36 * 5/18 = 10 mps.
The distance to be covered is equal to the length of the train.
Required time t = d/s = 100/10 = 10 sec.
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