A train travelling at a speed of 90km/h crosses a 220 m long platform in 15 seconds . find the length of the train ?
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Answer:
Speed = 90km/h
= 90*5/18 = 25 m/s
Time = 15 sec
Distance = speed * time
= 25 * 15 = 375m
Platform length = 220
Train length = 375m - 220m = 155m
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155 is correct answer
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