The ratio of income of two persons is 9:7 and the ratio of their expenditure is 4:3. If each of them manages to save Rs. 2000 per month, find their monthly incomes. find their monthly incomes. The ratio of income of two persons is 9:7 and the ratio of their expenditure is 4:3. If each of them manages to save Rs. 2000 per month October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related