Find the cost of polishing the curved surface of a right circular cylinder,whose diameter is 7cm and height is 12cm, at the rate of 50 paise per cm^2
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Answer. Find the cost of polishing the curved surface of the right circular cylinder, whose diameter is 7cm and height is 12cm , at the rate of 50 paise per cm. Cost of polishing = ? → 264 × 50 paise ( changing paise into rupees ).
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