Question

    A person sees a train passing over 3 km long bridge. The

    length of the train is half that of bridge if the train clears the bridge in 5 mins. What is the speed of the train?
    A 90 km/hr Correct Answer Incorrect Answer
    B 75 km/hr Correct Answer Incorrect Answer
    C 60 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 5/60 hours = (3 + 3/2) = 4.5 km Distance covered in 1 hour = 4.5 x (60/5) = 54 km So, speed of the train = 54 km/hr

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