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    Question

    A train 180 m long crosses a 270 m platform in 27

    seconds. Find the speed in km/h.
    A 60 km/h Correct Answer Incorrect Answer
    B 30 km/h Correct Answer Incorrect Answer
    C 40 km/h Correct Answer Incorrect Answer
    D 20 km/h Correct Answer Incorrect Answer

    Solution

    Total distance = 180 + 270 = 450 m Speed = 450/27 = 16.666... m/s Convert to km/h: 16.666... * 3.6 = 60 km/h Answer: 60 km/h

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