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    Question

    The volume of a cylinder is given as 6160 cubic

    centimeters. The height of this cylinder is proportionally 5/7 of its radius. Could you determine the combined total of the radius and the height of the cylinder?
    A 20 cm Correct Answer Incorrect Answer
    B 32 cm Correct Answer Incorrect Answer
    C 24 cm Correct Answer Incorrect Answer
    D 16 cm Correct Answer Incorrect Answer
    E 26 cm Correct Answer Incorrect Answer

    Solution

    Volume of cylinder = πr2h = 6160 = 22/7 x r2 x 5r/7 r3 = 2744 r = 14 cm & h = (5/7) x 14 = 10 cm Required answer = 14 + 10 = 24 cm

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