New Register for Workshop on How to start for NABARD 2025 (Stepwise Plan) - Apr 26, 7 PM

    Question

    A train 500 m long running at 108 km/hr takes 40 seconds

    to cross a bridge. The length of the bridge is
    A 250 metre Correct Answer Incorrect Answer
    B 450 metre Correct Answer Incorrect Answer
    C 400 metre Correct Answer Incorrect Answer
    D 700 metre Correct Answer Incorrect Answer

    Solution

    Speed of train = 108 km/hr = 108 × (5/18) = 30 m / sec If the length of bridge be x metre, then ⇒ 30 = (500 + x)/40 ⇒ 500 + x = 1200 ⇒ x = 1200 – 500 = 700 metre

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