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    Question

    A train that is 300 meters long

    takes 15 seconds to pass a tree. What is the speed of the train in kilometers per hour?
    A 82 km/h Correct Answer Incorrect Answer
    B 65 km/h Correct Answer Incorrect Answer
    C 55 km/h Correct Answer Incorrect Answer
    D 72 km/h Correct Answer Incorrect Answer

    Solution

    ATQ, Speed of the train = 300 ÷ 15 = 20 m/s So, speed = 20 × (18/5) = 72 km/h

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