There are 20 cylindrical pillars in a building, each having a diameter of 50 cm and height 4m. Find the cost of cleaning them at Rs 14 per `m^(2)`.

Forty cylindrical pillars of the building are to be cleaned. If the diameter of the pillar is 0.50 m and height is 4 m. find the cost of cleaning them at the rate of Rs 2.50 per m^2 .

A mansion has 12 right cylindrical pillars each having radius 50 cm and height 3.5m. Find the cost to painting the surface of the pillares at Rs 20 per square metre.

A cylindrical pillar is 50 cm in diameter and 3.5 m high. Find the cost of white washing its curved surface at the rate of Rs 40 per m^2 .

In a building there are 24 cylindrical pillars. The radius of each pillar is 28cm and height is 4m. Find the total cost of painting the curved is surface area of all pillars at the rate of Rs 8 per m^(2).

In a building there are 24 cylindrical pillars. The radius of each pillar is 28 cm and height is 4 m. Find the total cost of painting the curved surface area of all pillars at the rate of Rs 8 per m^2.

In a building there are 24 cylindrical pillars. The radius of each pillar is 28 cm and height is 4 m. Find the total cost of painting the curved surface area of all pillars at the rate of Rs 8 per m^2 .

10 cylindrical pillars of a building have to be painted. The diameter of each pillar is 70cm and the height is 4m. What is the cost of painting at the rate of Rs 5 per square metre

In a temple there are 25 cylindrical pillars. The radius of each pillar is 28cm and height 4m. Find the total cost of painting the curved surface area of pillars at the rate of Rs. 8\ p e r\ m^2