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    Question

    Two trains, each 250 m in length, are running on

    parallel lines in opposite directions at speeds of 90 km/h and 60 km/h respectively. In how many seconds will they cross each other completely?
    A 15 sec Correct Answer Incorrect Answer
    B 18 sec Correct Answer Incorrect Answer
    C 10 sec Correct Answer Incorrect Answer
    D 12 sec Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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