SSC GD Constable previous year question
A man spends 58% of his income. His income increases by 30% and his expenditure also increases by 25%. Find the percentage increase in his savings.
Asked in SSC GD Constable 2024: 23 Feb 2024 Shift 4 · Quantitative Aptitude
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Correct answer: (D) 36.9%
With income=I, expenditure=0.58I, savings=0.42I: new income=1.3I, new expenditure=0.725I, new savings=0.575I. Increase = (0.575−0.42)/0.42×100 ≈ 36.9%.
हिंदी में प्रश्न
एक आदमी अपनी आय का 58% खर्च करता है। उसकी आय में 30% की वृद्धि की जाती है और उसके व्यय में भी 25% की वृद्धि की जाती है। उसकी बचत में होने वाली वृद्धि का प्रतिशत ज्ञात कीजिए।
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सही उत्तर: (D) 36.9%
With income=I, expenditure=0.58I, savings=0.42I: new income=1.3I, new expenditure=0.725I, new savings=0.575I. Increase = (0.575−0.42)/0.42×100 ≈ 36.9%.
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