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    Question

    Two cyclists start from the same point in opposite

    directions at speeds 12 km/h and 15 km/h. After how long will they be 81 km apart?
    A 7 hrs Correct Answer Incorrect Answer
    B 2 hrs Correct Answer Incorrect Answer
    C 3 hrs Correct Answer Incorrect Answer
    D 5 hrs Correct Answer Incorrect Answer

    Solution

    ATQ, Relative speed = 12 + 15 = 27 km/h Time = 81/27 = 3 h

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