It costs ₹ 220 to paint the inner curved surface of a cylindrical vessel 10m deep. If the cost of painting is at the rate of ₹ 20 per m2 , find: (i) Radius of the base (ii) Inner curved surface area of the vessel (iii) Capacity of the vessel.

It costs ₹ 220 to paint the inner curved surface of a cylindrical vessel 10m deep. If the cost of painting is at the rate of ₹ 20 per $m^{2}$ , find: (i) Radius of the base (ii) Inner curved surface area of the vessel (iii) Capacity of the vessel.

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