A godown is 50 m long, 40 m broad and 10 m high. Find the cost of whitewashing its four walls and ceiling at Rs.20 per square metre.

A room is 16 m long ,7 m broad and 8 m high. Find the cost of white washing the four walls of room at Rs. 7.5 per m^(2) , white washing is not to be done on the doors and windows , which occupy 65 m^2 .

A pool is 20m long,15m broad and 4m deep FInd the cost of cementing its floor and its wall at the rate of Rs.12 per square metre.

A swimming pool is 50 m in length,30 m in breadth and 2.5 m in depth. Find the cost of cementing its floor and walls at the rate of Rs 27 per square metre.

A swimming pool is 20m long 15m wide and 3m deep. Find the cost of repairing the floor and wall at the rate of Rs. 25per square metre.

A swimming pool is 20m long 15m wide and 3m deep. Find the cost of repairing the floor and wall at the rate of Rs. 25per square metre.

A swimming pool is 20m in length,15m in breadth,and 4m in depth.Find the cost of cementing its floor and walls at the rate of Rs.12 per square metre.

A swimming pools is 20m in length,15m in breadth,and 4m in depth.Find the cost of cementing its floor and walls at the rate of Rs.12 per square metre.

The wall of a room is 16 long and 6 m high. There is a long rectangular window in the wall measuring 3 m long and I m high. Find the cost of painting the wall at the rate of Rs 15 per sq. m.

The floor of a rectangular hall has a perimeter of 250m .Its height is 6m. Find the cost of painting its four walls (including doors,etc.) at the rate of Rs.6 per square metre.