Question

Question 12

Find the missing number in the box in each of the proportions:

$\frac{\square }{18}=\frac{2}{9}$

Answer 1

We have,
$\frac{?}{18}=\frac{2}{9}\Rightarrow \frac{?}{18}=\frac{2\times 2}{9\times 2}$ [Multiplying numerator and denominator by 2 to make denominator of both the ratios same]
$\Rightarrow \frac{?}{18}=\frac{4}{18}$
On comparing, we get, ? = 4