Question

Preeti is painting the walls and ceilings of hall whose dimensions are 18m×15m×5m.From each can of paint 120m (2) of area is to be painted. How many cans of paint she need to paint the hall?

Answer 1

2lb+BH
$2 \times lb + bh = n \times 120 \\ n \: is\: the \: number \: of \: cans$
=