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    Question

    The heights of two cones are in the ratio 7 : 5 and

    their diameters are in the ratio 10 : 21. What is the ratio of their volumes? (Where π = 22/7)
    A 26 : 47 Correct Answer Incorrect Answer
    B 14 : 19 Correct Answer Incorrect Answer
    C 20 : 63 Correct Answer Incorrect Answer
    D 17 : 21 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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