The ratio of the incomes of two persons is 9 : 7 and the ratio of their expenditures is 4 : 3. If each of them saves ₹2,000 per month, find their monthly incomes. दो व्यक्तियों की आय का अनुपात 9 : 7 है और उनके व्यय का अनुपात 4 : 3 है। यदि उनमें से प्रत्येक प्रति माह ₹2,000 बचाता है, तो उनकी मासिक आय ज्ञात कीजिए।
A
₹18,000, ₹14,000 (₹18,000, ₹14,000)
B
₹9,000, ₹7,000 (₹9,000, ₹7,000)
C
₹27,000, ₹21,000 (₹27,000, ₹21,000)
D
₹20,000, ₹15,000 (₹20,000, ₹15,000)
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Correct Answer ₹18,000, ₹14,000
Explanation
Let incomes be 9x, 7x. (9x - 2000) / (7x - 2000) = 4/3. Solving: 27x - 6000 = 28x - 8000 => x = 2000. Incomes: 18,000 and 14,000.