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    Question

    The diameter of the base of a solid right circular cone

    is 22 cm and its height is 60 m. The cost of polishing its curved surface at ₹1.40 per cm²  is: (Take π =  22/7)
    A ₹3,006 Correct Answer Incorrect Answer
    B ₹2,904 Correct Answer Incorrect Answer
    C ₹2,807.20 Correct Answer Incorrect Answer
    D ₹2,952.40 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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