The ratio of income to expenditure of a family is 18:15. Find the savings if the income of the family is ₹81,000.A₹12750B₹15000C₹13500D₹17500Answer: C. ₹13500 Read Explanation: Income : Expenditure = 18 : 15Income = ₹81,000Let the common factor be (x):18x = 81,000⇒x=81,00018=4,500\Rightarrow x = \frac{81,000}{18} = 4,500⇒x=1881,000=4,500Expenditure=(15x=15×4,500=67,500)Expenditure = (15x = 15 \times 4,500 = 67,500)Expenditure=(15x=15×4,500=67,500)Savings = Income − Expenditure=81,000−67,500=13,500= 81,000 - 67,500 = 13,500=81,000−67,500=13,500Final Answer: ₹13,500 Read more in App