The cost of painting the total outside surface of closed cylindrical oil tank at 50 paise per square decimetre is Rs. 198. The heights of the tank is 6 times the radius of the base of the tank. Find the volume corrected to 2 decimal places.

The cost of painting the total outside surface of a closed cylindrical oil tank at 50 paise per square decimetre is Rs. 198. The height of the tank is 6 times the radius of the base of the tank. Find the volume corrected to 2 decimal places.

The cost of painting the total outside surface of a closed cylindrical oil tank at 60 paise per sq. dm is Rs. 237.60. The height of the tank is 6 times the radius of the base of the tank. Find its volume correct to two decimal places.

The cost of painting the total outside surface of a closed cylindrical oil tank at 60 paise per sq. dm is Rs. 237.60. The height of the tank is 6 times the radius of the base of the tank. Find its volume correct to two decimal places.

The cost of painting the total outside surface of a closed cylindrical oil tank at 60 paise per sq. dm is Rs. 237.60. The height of the tank is 6 times the radius of the base of the tank. Find its volume correct to two decimal places.

The cost of painting the total outside surface of a closed cylindrical oil tank at 60 paise per sq. dm is Rs. 237.60. The height of the tank is 6 times the radius of the base of the tank. Find its volume correct to two decimal places.

The cost of painting the top surface of a triangular board at 80 paise per square metre is Rs. 176 . 40 .If the height of the board meansures 24.5m , find its base .

The surface area of a sphere of radius 5 cm is five times the curved surface area of a cone of radius 4 cm. Find the height and volume (correct to two decimal places) of the cone.

It costs Rs. 2200 to paint the inner curved surface of a cylindrical vessel 10m dep. If the cost of painting is at the rate of Rs. 20 per m^2, find: radius of the base Capacity of the vessel?

In a cylindrical tank, rice is increasing at a rate of 314 m^(3)//hr . Find the rate of increase of the height of the rice in cylindrical tank when the radius of the base of tank is 5 m.

The volume of a closed square based rectangular box is 1000 cubic metre. The cost of constructing the base is 15 paise per square metre and the cost of constructing the top is 25 paise per square metre. The cost of constructing its sides is 20 paise per square metre and the cost of constructing the box is Rs. 3.Find the dimensions of box for minimum cost of construction.