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    Question

    Train ‘A’ takes 12 seconds to cross a pole and 30

    seconds to cross a 360 metre long bridge. If the length of the train had been 200 metres then find the time taken by it to cross 100 metre long bridge with same speed.
    A 15 sec Correct Answer Incorrect Answer
    B 12 sec Correct Answer Incorrect Answer
    C 10 sec Correct Answer Incorrect Answer
    D 18 sec Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    According to the question,
    Train ‘A” took (30 – 12 = 18 seconds) to travel 360 metres
    Therefore, speed of the train = 360/18 = 20 m/sec
    Now, total distance to be travelled = 200 + 100 = 300 metres
    Required time taken = 300/20 = 15 seconds

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