Question
Download Solution PDFA और B की मासिक आय का अनुपात 7 : 10 है। उनके व्यय का अनुपात 2 : 3 है। यदि A और B प्रत्येक महीने ₹1,000 की बचत करते हैं, तो B की मासिक आय क्या होगी?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
आय अनुपात (A : B) = 7 : 10
व्यय अनुपात (A : B) = 2 : 3
A की बचत = ₹1,000
B की बचत = ₹1,000
प्रयुक्त सूत्र:
आय = व्यय + बचत
माना, A की आय = 7x, B की आय = 10x
माना, A का व्यय = 2y, B का व्यय = 3y
गणना:
7x - 2y = 1000 …(1)
10x - 3y = 1000 …(2)
(1) को 3 से गुणा करें: ⇒ 21x - 6y = 3000
(2) को 2 से गुणा करें: ⇒ 20x - 6y = 2000
घटाएँ: ⇒ (21x - 6y) - (20x - 6y) = 3000 - 2000
⇒ x = 1000
⇒ B की आय = 10x = 10 × 1000 = ₹10,000
∴ सही उत्तर ₹10,000 है।
Last updated on May 21, 2025
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