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    Question

    The lengths of two trains are 200 meters and 160 meters.

    They are approaching each other at speeds of 11 m/sec and 9 m/sec. What is the time taken for the trains to completely pass one another?
    A 20 secs Correct Answer Incorrect Answer
    B 18 secs Correct Answer Incorrect Answer
    C 22 secs Correct Answer Incorrect Answer
    D 10 secs Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Relative speed = 11 + 9 = 20 m/sec

    Time taken = (200 + 160) / 20 = 18 seconds

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