Question

The dimensions of a room are 5 m x 4m x 3 m.
Find the cost of white washing the walls of the
room and the ceiling at the rate of 11.5 per m².​

Answer 1

Given: - The dimensions of the room are 5m×4m×3m

So, the are of the cuboid is = l*b*h

= 5×4×3= 60 m²

So, the cost of ceiling at the rate of 11.5 rupees per m²

= 11.5* 60

= 690 rupees....is the cost of the ceiling of the room...