Question 8
A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and the breadth is 3.6 m. Find the cost of whitewashing the wall, if the rate of whitewashing the wall is Rs. 20 per m2.
Question 4 (ii)
A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long and 4 m wide. Find:
The cost of cementing the floor of the verandah at the rate of ₹200 per m2.