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)`.

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) .

The dimensions of a cuboidal box are 6mxx400cmxx1.5m . Find the cost of painting its entire outer surface at the rate of ₹ 22 per m^(2) .

The dimension of a cuboidal box are 6mxx400cmxx 1.5m . Find the cost of painting its entire outer surface at the rate of Rs. 22 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 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) .