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A train 300 meters long passes a standing man is 15 seconds. The speed of the train is?

40 km/hr
50 km/hr
60 km/hr
72 km/hr

Correct Answer: 72 km/hr

Explanation:

∴ Speed = Distance / Time = (300/15)
= 20 m/sec
= (20 x 18) / 5 = 72 km/hr

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