Question

Asheet of paper is 30 cm long and 20 cm broad. How many square pieces of side 2 cm can be cut from the sheet of paper ?

Answer 1

$Total \: \: \: area \: \: of \: \: \: sheet \: \: \: of \: \: \: paper = (30×20) {cm}^{2} \\ = 600 {cm}^{2}$

Now,

$Required \: \: \: number \: \: \: of \: \: \: square \: \: \: pieces = \frac{area \: of \: sheet}{area \: of \: piece } \\ \\ = \frac{600}{2 \times 2} \\ \\ = 150$