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    Question

    A train of length 180 metres crosses a man standing on

    the platform in 12 seconds. In how many seconds will the train cross a platform of length 270 metres?
    A 22 secs Correct Answer Incorrect Answer
    B 30 secs Correct Answer Incorrect Answer
    C 18 secs Correct Answer Incorrect Answer
    D 10 secs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Speed of train = 180 / 12 = 15 m/s To cross a platform of 270 m, total distance covered = 180 + 270 = 450 m Time = 450 / 15 = 30 seconds Hence, the correct answer is 30 seconds.

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