Find the cost of sinking a tube-well 280 m deep , having a diameter 3m at the rate of Rs 15 per cubic metre. Find also the cost of cementing its inner curved sufrace at Rs 10 per square metre.

Find the cost of sinking a tube-well 280 m deep , having a diameter 3m

1.	Find the cost of sinking a tube-well 280 m deep , having a diameter 3m at the rate of Rs 15 per cubic metre. Find also the cost of cementing its inner curved sufrace at Rs 10 per square metre.
Answer» Find the cost of sinking a tube-well 280 m deep , having a diameter 3m at the rate of Rs 15 per cubic metre. Find also the cost of cementing its inner curved sufrace at Rs 10 per square metre.