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    Question

    The speed of a Vande Bharat train is 72 km/h, and it

    takes 16 seconds to cross a tree. Determine the time taken by the train to cross a platform when the ratio of the length of the platform to the length of the train is 11:8.
    A 32 sec Correct Answer Incorrect Answer
    B 28 sec Correct Answer Incorrect Answer
    C 38 sec Correct Answer Incorrect Answer
    D 25 sec Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the length of Vaande Bharat train = 'l' m 72 × 5/18 = l/16 20 × 16 = l l = 320 m Length of the platform  = (320/8) × 11  = 440 m Required time  = (320 + 440)/20 = 760/20  = 38 seconds

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