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Quantitative Aptitude - Math Problems
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A train 125 m long passes a man, running at 5 kmph in the same direction in which the train is going, in 10 seconds. The speed of the train is:
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A
50 km/hr
💡 Explanation:
Relative speed = Distance / Time = 125 / 10 = 12.5 m/s. Converting to kmph: 12.5 * (18/5) = 45 kmph. Since they move in the same direction, Relative Speed = Train Speed - Man Speed. 45 = V - 5, so V = 50 kmph.