Algebrahard · Past Paper
The ratio of incomes of two persons is 9:7 and the ratio of their expenditures is 4:3. If each saves Rs 2000, find the income of the first person.
ARs 18,000
BRs 14,000
CRs 20,000
DRs 9,000
✓ Correct Answer: A — Rs 18,000
9x-4y=2000, 7x-3y=2000. Solving gives x=2000. First income = 9x = 18000.
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