Question

5. A room 9m long, 6m broad and 3.6m high has one door 1.4m by 2m and two windows, each
1.6m by 75cm. find:
i) the area of 4 walls, excluding doors and windows
ii) the cost of white-washing the walls from inside at the rate of Rs. 2.50 per m2
iii) the cost of painting its ceiling at Rs. 5 per m2
.

Answer 1

Answer:

• Area of 4 walls excluding doors and windows: 102.8 m^2
• Area of 4 walls excluding doors and windows: 102.8 m^2Cost of white-washing the walls @Rs. 2.50 per m^2: Rs.257
• Cost of painting it's ceiling @Rs.5 per m^2: Rs.270