A cubical container of side 6.5 m is to be painted on the entire outer surface. Find the area to be painted and the total cost of painting it at the rate of ₹ 24 per `m^(2)`.

A inner curved surface area of a hemispherical dome of a building needs to be painted. If the circumference of the base is 17.6m, find the cost of painting it at the rate of Rs 5 per sq.m.

The sides of the triangular ground are 22 m, 120 m and 122 m. Find the area and cost of leveling the ground at the rate of ₹ 20 per m^(2) .

Ramkumar wanted to paint the walls and ceiling of a hall. The dimensions of the hall is 20m xx 15m xx 6m . Find the area of surface to be painted and the cost of painting it at Rs.78 Per sq.m.

The frustum shaped outer portion of the table lamp has to be painted including the top part. Find the total cost of painting the lamp if the cost of painting 1 sq. cm is Rs. 2.

The inner diameter of a circular well is 3.5 m. It is 10 m deep . Find (i) its inner curved surface area (ii) The cost of plastering this curved surface at the rate of Rs. 40 per m^(2)

The dimensions of a hall 10mxx9mxx8m . Find the cost of white washing the walls and ceilling at the rate of ₹ 8.50 per m^(2) .

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) .