A conical tent was erected by army at a base camp with height 3m. and base diameter 8m. Find,
(i) The cost of canvas required for making the tent, if the canvas cost rupes 70 per 1 sq.m.
f every person requires 3.5`m^(3) ` air how many can be seated in that tent

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.

The radius of a conical tent is 7 m and the height is 24 m . Calculate the length of the canvas used to make the tent if the width of the rectangular canvas is 4m ?

A tent is cylindrical to a height of 4.8 m .and conical above it. The radius of the base is 4.5 m. and total height of the tent is 10.8 m . Find the canvas required for the tent in square meters.

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.

The length, breadth and height of a room are 5m, 4m and 3m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs. 7.50 per m^(2) .

A heap of rice is in the form of a cone of diameter 12 cm and height 8 cm . Find its volume ? How much canvas cloth is required to cover the heap ? (Use pi=3.14 )

A tent is in the shape of a cylinder surmounted by a conical top. If the heigh and diameter of the cylinder part are 2.1 m and 4m. And slant heigh of the top is 2.8m, find the area of the canvas used for making the tent. Also find the cost of canves of the tent at the rate of Rs 500 per 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)