A train crosses a platform in 25 sec. If the train, running at 72 km/hr, is 150m long. find the length of the platform.
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1hr=3600sec
Within 3600sec the train running 72km
within 1 sec the train running 72/3600km
within 25 sec the train running (72/3600)×25km=0.5km=500m
Within 3600sec the train running 72km
within 1 sec the train running 72/3600km
within 25 sec the train running (72/3600)×25km=0.5km=500m
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