A well has to be dug out that is to be 22.5 m deep and of diameter 7 m. Find the

Question

A well has to be dug out that is to be 22.5 m deep and of diameter 7 m. Find the cost of plastering the inner curved surface at Rs. 3 per sq.meter :

Options:

A . Rs. 1465

B . Rs. 1475

C . Rs. 1485

D . Rs. 1495

Answer: Option C

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