2019 · Q22
The monthly incomes of A and B are in the ratio 4 : 3. Each saves Rs. 600. If their expenditures are in the ratio 3 : 2, then what is the monthly income of A?
Elementary MathematicsRatio and Proportion
- ARs. 1800
- BRs. 2000
- CRs. 2400
- DRs. 3600
Explanation
Let incomes be 4x and 3x. Expenditures are 4x-600 and 3x-600 in ratio 3:2, so 2(4x-600) = 3(3x-600), giving x = 600. A's income = 4x = Rs. 2400.