A cylindrical box of radius 7m, height of 5 m is to be made. Determine the area of the sheet required for making the closed box and also find the cost of the sheet required, if it costs Rs. 30 per `1 m^2`.

A Joker's cap is in the form of a right circular cone of base radius 7cm and height 27 cm. Find the area of the sheet required to make 10 such caps.

A toy is in the form of right circular cone whose base radius 5 cm and height is 12 cm. Find the area of sheet required to make 10 such toys.

The height of a tent is 9m. Its base diameter is 24m. What is its slant height? Find the cost of canvas cloth required if it costs rupes 14 per sq.m.

A joker's cap is in the form of right circular cone whose base radius is 7 cm and height is 24 cm. Find the area of the sheet required to make 10 such caps.

tent is in the form of a cylinder surmounted by a cone having its diameter of the base equal to 24 m. The height of cylinder is 11 m and the vertex of the cone is 5m above the cylinder. Find the cost of making the tent, if the rate of canvas is Rs. 10 per m^(2)

A flower bed is in the shape of a square with a side 3.5 m Each side is to be fenced with 4 rows of ropes. Find the cost of rope required at Rs. 15 per meter.

A flower bed is in the shape of a square with the sides 3.5m. Each side isa fenced with 4 rows of ropes. Find the cost of the rope required at ₹15 per meter.

A conical tent was erected by army at a base camp with height 3 m and base diameter 8 m Find, The cost of canvas required for making the tent, if the canvas cost ₹70 per 1 sq.m.

If the cost of 7 meters of cloth is Rs 294, find the cost of 5m of cloth.

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