Find the cost of painting of the outer surface of a closed box which is 60 cm long 40 cm broad and 30 cm high at the rate of 50 paise per 20`cm^2`.

The cost of construction of a wall 8 m long, 4 m height and 20 cm thick at the rate of ̀₹ 25 per m^3 ̀ is

Find the cost of painting a cuboid of dimensions 20 cm xx 15 cm xx 12 cm at the rate of 5 paisa per square centi meter.

Find the perimeter of a rectangle which length is 26cm and breadth is 20cm.

The cost of painting the total surface area of a cone at 25 paise per cm^(2) is rupes 176 .Find the volume of the cone ,If its slant height is 25 cm.

A cylindrical pillar has a diameter of 56 cm and is of 35 m high. There are 16 pillars around the building. Find the cost of painting the curved surface area of all the pillars at the rate of ₹5.50 per 1 m^2

A cylindrical piller has a diameter of 56 cm and is of 35 m high. There are 16 pillars around the building. Find the cost of painting the curved surface area of all the pillars at the rate of rupes 5.50 per 1m^(2)

The curved surface area of a cone is 3060 cm^2 and its diameter is 50 cm. What is it's slant height.

A solid is composed of a cylinder with hemi-spherical ends. If the whole length of the solid is 104 cm and the radius of each of the hemi-spherical ends is 7 cm, find the cost of polishing its surface at the rate of Rs. 10 per cm^2

The curved surface area of a cone is 3570 cm^2 and its diameter is 40 cm. What is it's slant height.

The curved surface area and volume of a cylinder are 44 cm^2 and 38.5 cm^3 Find the radius of the cylinder.