alleryA आणि B यांच्या उत्पन्नाचे गुणोत्तर 5 : 4 आणि खर्चाचे गुणोत्तर 3 : 2 आहे, आणि प्रत्येक जण Rs 1,600 ची बचत करतो. तर A चे उत्पन्न किती?
ARs 5,000
BRs 3,200
CRs 4,800
DRs 4,000
Answer & Solution
Correct answer: D. Rs 4,000
उत्पन्न 5x, 4x आणि खर्च 3y, 2y मानून, 5x - 3y = 4x - 2y = 1600 सोडवल्यास x = 800 मिळते, म्हणून A चे उत्पन्न Rs 4,000 आहे.
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