Question
The ratio of the incomes of A and B is 4:5 and the ratio of their expenditures is 3:4. If both save $\text{₹}1,000$, A’s income is:
Option 3 : $\text{₹}4,000$
Detailed Solution
सही उत्तर $\text{₹}4,000$ है।
Let the incomes be 4x and 5x and the expenditures be 3y and 4y. Then 4x − 3y = 1,000 and 5x − 4y = 1,000, which gives x = 1,000. So A’s income is Rs 4,000.
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prepsnap.in • GeneralQuestion:
The ratio of the incomes of A and B is 4:5 and the ratio of their expenditures is 3:4. If both save $\text{₹}1,000$, A’s income is:
Correct Answer: $\text{₹}4,000$
Let the incomes be 4x and 5x and the expenditures be 3y and 4y. Then 4x − 3y = 1,000 and 5x − 4y = 1,000, which gives x = 1,000. So A’s income is Rs 4,000.