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11 The slant height and the diameter of a conical tomb are 25 m and 14m. Find the cost of constructing it at 2 per cubicmetre and also, cost of white washing its curved surface at80 paise per square metre,​

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The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of white washing its CURVED SURFACE at the rate of Rs. 210 per 100m

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