alleryA और B की आय का अनुपात 5 : 4 है, उनके व्यय का अनुपात 3 : 2 है, और प्रत्येक 1,600 रुपये की बचत करता है। A की आय कितनी है?
A5,000 रुपये
B3,200 रुपये
C4,800 रुपये
D4,000 रुपये
Answer & Solution
Correct answer: D. 4,000 रुपये
आय 5x, 4x और व्यय 3y, 2y मानने पर, 5x - 3y = 4x - 2y = 1600 को हल करने से x = 800 प्राप्त होता है, अतः A की आय 4,000 रुपये है।
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