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    Question

    A person sees a train passing over 4 km long bridge. The

    length of the train is half that of bridge if the train clears the bridge in 4 mins. What is the speed of the train?
    A 90 km/hr Correct Answer Incorrect Answer
    B 45 km/hr Correct Answer Incorrect Answer
    C 108 km/hr Correct Answer Incorrect Answer
    D 30 km/hr Correct Answer Incorrect Answer
    E 54 km/hr Correct Answer Incorrect Answer

    Solution

    Distance covered in 4/60 hours = (4 + 4/2) = 6 km Distance covered in 1 hour = 6 x (60/4) = 90 km/hr So, speed of the train = 90 km/hr

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