Border of a square-shaped frame which is 16-cm long needs to be painted. If the cost of painting 1 m of border is rupees 4, how much would it cost to paint the entire border of the frame ?

The outer Surface of the cube of side 6 m is painted. If the cost of painting is Rs. 1 per 100 " cm"^2 . Find the total cost of painting the cube.

David's room is 8 m long, 7 m wide and 9 m high. He wants to paint his room red. The cost of painting 1 m^(2) area is Rs. 2.50. The cost of painting the room is

The internal and external diameters of a hollow hemispherical veseel are 12 cm and 16 cm respectively. If the cost of painting 1 cm^(2) of the surface area is Rs 5.00 find the total cost of painting the vessel all over. (Use pi=3.14)

The internal and external diameters of a hollow hemispherical vessel are 21 cm and 25.2 cm respectively. The cost of painting 1\ c m^2 of the surface is 10 paise. Find the total cost to paint the vessel all over.

The internal and external diameters of a hollow hemispherical vessel are 21 cm and 25.2 cm respectively. The cost of painting 1\ c m^2 of the surface is 10 paise. Find the total cost to paint the vessel all over.

The height of a cone is 16 cm and radius of its base is 30 cm. If the rate of painting it is Rs. 14//cm^(2) , then what will be that total cost in painting the curved surface of cone from outside ?

A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled card-board. Each cone has a base diameter of 40cm and height 1m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 12 per m^2 , what will be the cost of painting all these cones (U s epi=3. 14a n dsqrt(1. 04)=1. 02))

A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled cardboard. Each cone has a base diameter of 40 cm and height 1 m. If the outer side of each of the cones is to be painted and the cost of painting is Rs 12 per m^2 , what will be the cost of painting all these cones (use pi = 3.14 , and take sqrt(1.04)=1.02 ) ?

Find the cost of painting the border of a rectangular board of length 4 m and breadth 2.5 m at the rate of ₹ 120 per m.