Question

The internal measure of a room are 12m into 8m into 4m. Find the total cost of white washing all four walls of the room if the cost of white washing is ₹5 per m. What will be the cost of white washing if the ceiling is also white washed?

Answer 1

May be it is 39 hope it helps you

Answer 2

area of four walls = 2*(l+b)h
area = 2(12+8)4
area = 160 m^2
cost per m sq = rs. 5
cost of White wash 160m sq. =160×5
= rs. 800