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    Question

    If the ratio of areas of two circle is 16:25, then the

    ratio of their circumferences will be:
    A 5:6 Correct Answer Incorrect Answer
    B 3:4 Correct Answer Incorrect Answer
    C 4:5 Correct Answer Incorrect Answer
    D 2:3 Correct Answer Incorrect Answer

    Solution

    Ratio of area of two circles = (Ratio of radius)2 = 16:25 Ratio of Circumference = Ratio of radius Hence, Ratio of Circumference = √(16/25) = 4:5

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