income of rahim is Rs.12000 per month and that of ani is Rs.191520 per annum . If monthly expenditure of each of them is Rs.960 per month. Find ratio of their savings.

Dear Student,

$$\begin{gathered} Monthly Income of Rahim=₹ 12000 \\ Monthly Income of Ani=₹ 191520 \\ Monthly Expenditure of Both=₹ 960 \\ \Rightarrow Monthly Savings of Rahim=Monthly Income of Rahim-Monthly Expenditure of Rahim \\ \Rightarrow Monthly Savings of Rahim=₹ 12000-₹ 960=₹11040 \\ \Rightarrow Monthly Savings of Ani=Monthly Income of Ani-Monthly Expenditure of Ani \\ \Rightarrow Monthly Savings of Ani=₹ 191520-₹ 960=₹ 190560 \\ Hence Ratio of their Savings are=\frac{Monthly Savings of Rahim}{Monthly Savings of Ani}=\frac{₹ 11040}{₹190560}=\boxed{ \frac{23}{397} } \end{gathered}$$
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