Speed

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A 75 meter long train passes within 3 seconds a man who is standing in the platform. What is the speed of the train per hour?

90 km 120 km 60 km 40 km

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1 solution

Ganesh Deepak
Mar 4, 2015

75 meters in 3 seconds which means it travels at a speed of 25m/s. In one hour there are 3600 seconds . So 3600*25=90000 meters or 90kmph.

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