LIC AAO Prelims practice question
A sum of Rs.25,200 is divided among X, Y, Z such that X gets 1/3 of what Y and Z together get, and Y gets 2/5 of what X and Z together get. Z's share (Rs.) is
From a LIC AAO Prelims Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 11,700
X=1/3(Total−X) → 4X=Total → X=Total/4=6300. Y=2/5(Total−Y) → 7Y=2Total → Y=2×25200/7=7200. Z=25200−6300−7200=11,700.
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हिंदी में प्रश्न
रु. 25,200 की एक राशि X, Y, Z में इस प्रकार बाँटी जाती है कि X को वह राशि मिलती है जो Y और Z को मिलाकर मिलने वाली राशि का 1/3 है, तथा Y को वह राशि मिलती है जो X और Z को मिलाकर मिलने वाली राशि का 2/5 है। Z का हिस्सा (रु.) है
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सही उत्तर: (C) 11,700
X=1/3(कुल−X) → 4X=कुल → X=कुल/4=6300। Y=2/5(कुल−Y) → 7Y=2×कुल → Y=2×25200/7=7200। Z=25200−6300−7200=11,700।
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