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    Question

    The Height of a metallic hollow cylinder is 28 cm and

    the difference between its inner curved surface Area and outer curved Surface area is 66cm². If the cylinder is made up of Volume 99cm³ metal. Find its inner radius.
    A 5/4 Correct Answer Incorrect Answer
    B 4/3 Correct Answer Incorrect Answer
    C 9/8 Correct Answer Incorrect Answer
    D 7/5 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

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