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    Question

    A circular track is 1760 m long. Two runners start from

    the same point in opposite directions at speeds 9 km/h and 11 km/h. After how much time will they meet first?
    A 2 min 36 sec Correct Answer Incorrect Answer
    B 5 min 16 sec Correct Answer Incorrect Answer
    C 7 min 33 sec Correct Answer Incorrect Answer
    D 15 min 16 sec Correct Answer Incorrect Answer

    Solution

    ATQ,

    Relative speed = 20 km/h Distance = 1.76 km Time = 1.76/20 = 0.088 h = 5 min 16 sec

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