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The incomes of two persons P and Q are in the ratio 5 ∶ 6. If each of them saves Rs.200 per month, the ratio of their expenditures is 3 ∶ 4. Find the income of Q.1. Rs.7402. Rs.8003. Rs.7504. Rs.600 |
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Answer» Correct Answer - Option 4 : Rs.600 Given: Income ratio of P and Q = 5 : 6 Individual savings of P and Q = ₹ 200 Expenditure ratio = 3 : 4 Formula used: Profit = Investment × Time period Calculation: Let income of P be 5x Let income of Q be 6x (5x – 200)/(6x – 200) = 3/4 ⇒ 20x – 800 = 18x – 600 ⇒ 20x – 18x = 800 – 600 ⇒ 2x = 200 ⇒ x = 100 Income of P = 100 × 5 = 500 Income of Q = 100 × 6 = 600 ∴ The income of Q is 600. |
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