Question

if the windows and door in the above room are made up of20% of the wall area,how much paint will be needed to give the four walls(excluding the windows and door)two coats of paint if a
litre of paint is used to cover 18m
square in one coat.

Answer 1

LSA of room 1296m2
area of .......... 20%of 1296 =259.2m2
area left 1036.8m2
paint 57.6 l

Answer 2

Answer:

here in the image and correct answer also