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    Question

    A train 150 m long passes a pole in 10 seconds. Find its

    speed in km/h.
    A 54 km/h Correct Answer Incorrect Answer
    B 32 km/h Correct Answer Incorrect Answer
    C 47 km/h Correct Answer Incorrect Answer
    D 27 km/h Correct Answer Incorrect Answer

    Solution

    Speed in m/s = Distance / Time = 150 / 10 = 15 m/s Convert m/s to km/h: multiply by 18/5 Speed in km/h = 15 × (18 / 5) = 3 × 18 = 54 km/h Answer: 54 km/h

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