A door of length 2 m and breadth 1 mis fitted in a wall. The length of the wall is 4.5 m and the breadth is 3.6 m (figure). Find the cost of white washing the wall, if the rate of white washing the wall is ₹ 20 per m2.
A door of length 2 m and breadth 1 mis fitted in a wall. The length of the wall is 4.5 m and the breadth is 3.6 m (figure). Find the cost of white washing the wall, if the rate of white washing the wall is ₹ 20 per m2.