# A man earns Rs. 25440 per month. He spends 1 / 4 of it on house rent, 3 / 8 on food and clothes, 1 / 10 on insurance and 1 / 5 on other items. The rest he saves. How much does he save each month?

He earns Rs. 25440 per month.

$$\text { Rent }=\frac{1}{4} \times 25440=6360 \Rightarrow \frac{6360}{25440} \times 360=90^{\circ}\\ \text { Food and cloth }=\frac{3}{8} \times 25440=9540 \Rightarrow \frac{9540}{25440} \times 360=135^{\circ}\\ \text { Insurance }=\frac{1}{10} \times 25440=2544 \Rightarrow \frac{2544}{25440} \times 360=36^{\circ}\\ \text { Other items }=\frac{1}{5} \times 25440=5088 \Rightarrow \frac{5088}{25440} \times 360=72^{\circ}\\ \text { Savings }=25440-(6360+9540+2544+5088)=1908 \Rightarrow \frac{1908}{25440} \times 360=27^{\circ}\\ \text { The man saves Rs.1908 each month. }$$