alleryA এবং B-এর আয়ের অনুপাত 5 : 4, ব্যয়ের অনুপাত 3 : 2, এবং প্রত্যেকে Rs 1,600 সঞ্চয় করে। A-এর আয় হল
ARs 5,000
BRs 3,200
CRs 4,800
DRs 4,000
Answer & Solution
Correct answer: D. Rs 4,000
আয় 5x, 4x এবং ব্যয় 3y, 2y ধরে, 5x - 3y = 4x - 2y = 1600 সমাধান করে পাওয়া যায় x = 800, সুতরাং A আয় করে Rs 4,000।
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