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Question

A right circular cone is surmounted by a hemisphere. The base radius of the cone is equal to the radius of the hemisphere. The diameter of the hemisphere is 12 cm while the height of the cone is 8
cm. Find the cost of painting the compound object if it costs ₹25 to paint a cm².

A ₹10,371

B ₹3,300

C ₹6,930

D ₹4,500

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