A hemispherical bowl has 3.5 cm radius. It is to be painted inside as well as ou

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A hemispherical bowl has 3.5 cm radius. It is to be painted inside as well as outside. The cost of painting it at the rate of Rs. 5 per 10 sq. cm will be :

Options:

A . Rs. 77

B . Rs. 100

C . Rs. 175

D . Rs. 50

Answer: Option A

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