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    Question

    If the curved surface area and the radius of a cylinder

    are 990 cm2 and 21 cm, respectively, then find the volume (in cm3) of the cylinder.
    A 10395 Correct Answer Incorrect Answer
    B 10295 Correct Answer Incorrect Answer
    C 10495 Correct Answer Incorrect Answer
    D 10385 Correct Answer Incorrect Answer

    Solution

    Let, height of cylinder be тАШhтАЩ cm Curved area of cylinder = 990 2 ├Ч (22/7) ├Ч 21 ├Ч h = 990 Or, h = 7.5 cm Volume of cylinder = (22/7) ├Ч (21)2 ├Ч 7.5 = 10395 cm3

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