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    Question

    A train running at 90 km/h crosses an electric pole in

    18 seconds and a platform in 65 seconds. What is the length of the platform?
    A 1175 m Correct Answer Incorrect Answer
    B 1250 m Correct Answer Incorrect Answer
    C 1050 m Correct Answer Incorrect Answer
    D 1020 m Correct Answer Incorrect Answer

    Solution

    Let the length of the platform be P meters. 90 km/h = 90┬а├╖ 18/5┬а= 25 m/sec Hence, the length of the train = 25┬а├Ч 18 = 450 meters. According to the question, 25┬а├Ч 65 = (450 + P) тЗТ 1625 = 450 + P ┬а тЗТ P= 1175┬а The length of the platform is 1175 m.

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