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    Question

    If the length of a train were halved, it would take 8

    seconds to pass a pole. Given that the train's speed is 25 m/sec, determine the time required for the train to completely cross a platform of length 400 meters.
    A 10 secs Correct Answer Incorrect Answer
    B 20 secs Correct Answer Incorrect Answer
    C 32 secs Correct Answer Incorrect Answer
    D 25 secs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ; Length of the train = 2 ร— 8 ร— 25 = 400 meters Time required = (400 + 400) / 25 = 32 seconds

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