The hemispherical dome of a building needs to be painted. If the circumference of the base of dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs.5 Per 100 `cm ^(2) `

A storage tank consists of a circular cylinder with a hemisphere stuck on either end. If the external diameter of the cylinder be 1.4 m and its length be 8 m. Find the cost of painting it on the outside at rite of Rs. 20per m^2 .

The area of a square piece of land is 6400 sq.m. Let's find the cost of fencing all around the land at Rs. 3.50 per meter.

The length of outer an inner diameter of a right circular cylindrical pipe open at two ends are 30 cm and 26 cm respectively and length of pipe is 14.7 metre. Find the cost of painting its all surfaces with coaltar at Rs 2.25 per dcm.

The vertical height of a conical text tent is 10 metre and diameter of base is 15 metre. If the cost of canvas per sq.m. is RS 3.50, find the cos tof canvas to make the tent.

A 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 10 per m square

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 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 rupees 5.50 per 1m^(2)

The length of inner and outer diameter of a right circular cylindrical pipe open at two ends are 30 cm and 26 cm respectively and length of pipe is 14*7 metres. Calculate the dost of painting its all surfaces with coaltar at Rs. 2*25 per sq-dcm.