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    Question

    A 600-metre long train takes 12 seconds to cross a pole.

    If it takes 48 seconds to cross a bridge, then find the length of the bridge.
    A 1.5 km Correct Answer Incorrect Answer
    B 1.6 km Correct Answer Incorrect Answer
    C 1.7 km Correct Answer Incorrect Answer
    D 1.8 km Correct Answer Incorrect Answer

    Solution

    Speed of the train = (600 / 12) = 50 m/s
    Distance covered by the train in 48 seconds = 50 ├Ч 48 = 2,400 metres
    Length of the bridge = 2,400 600 = 1,800 metres = (1800 / 1000) = 1.8 km

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