Question

preeti is painting the wall and ceiling of the hall whose dimensions are 18*15*5 m. from each can of paint 120 m square of area is painted. how many cans of paint she needs to paint the hall?

Answer 1

The surface area of hall is 870 square metres and from each can of paint she can paint 120square metres so the no. Of cans she needs is (870/120)=7.25,so she needs 8cans of paint