1.

A train 760 m long crosses a platform 440 m long in 40 seconds. Find the speed of the train in km per hour

Answer»

to cover platform distance need to be travel 440 + 760 = 1200 m speed = distance / time = 1200 / 40 = 30 m/s = (30×3600)/1000 = 108 km/h



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