Question

The incomes of Ruchi and Rajan are in the ratio $4:7$.. If Ruchi earns $Rs.16800$ per month, how much does Rajan earn per month?

Answer 1

Ratio of incomes of Ruchi and Rajan is $4:7$

Ruchi's income $=Rs.16800$

Let $x$ be the income of Rajan.

Therefore,

$\frac{4}{7}=\frac{16800}{x}$

$\Rightarrow x=\frac{16800\times 7}{4}=29400$