The dimension of a school playground is `800m xx 500m`. Find the area of the ground.

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.

A land is in the shape of rhombus. The perimeter of the land is 160 m and one of the diagonal is 48 m. Find the area of the land.

A land is the shape of rhombus. The perimeter of the land is 160 m and one of the diagonall is 48 m. Find the area of the land.

The diameter of a rollar is 84 cm and its length is 120 cm . It takes 500 complete revolutions to roll once over the play ground to leval. Find the area of the play ground in 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) .