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    Question

    A 220 metres long train, travelling at 60 km/h crosses a

    platform in 30 seconds. What is the length of the platform?
    A 280 m Correct Answer Incorrect Answer
    B 360 m Correct Answer Incorrect Answer
    C 270 m Correct Answer Incorrect Answer
    D 150 m Correct Answer Incorrect Answer

    Solution

    ATQ,

    Speed of train = 60 km/h = 60 × (5/18) = 16.67 m/s

    Using, distance = speed × time

    Let the length of the platform be ‘L’ metres.

    So, 220 + L = 16.67 × 30

    Or, 220 + L = 500

    Or, ‘L’ = 500 – 220

    Or, ‘L’ = 280

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