SSC GD Constable previous year question
The price of petrol increases by 85% (per litre). By what percentage should its consumption be reduced so that the increase in expenditure on it is only 48%?
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 1 (Morning) · Quantitative Aptitude
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Correct answer: (C) 20%
New expenditure factor = 1.48; consumption factor = 1.48/1.85 = 0.8; so reduction = 1 − 0.8 = 20%.
हिंदी में प्रश्न
पेट्रोल के मूल्य में (प्रति लीटर) 85% की वृद्धि होती है। इसकी खपत में कितने प्रतिशत की कमी कर दी जाए कि इस पर होने वाले व्यय में केवल 48% की वृद्धि हो?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 20%
नया व्यय गुणांक = 1.48; खपत गुणांक = 1.48/1.85 = 0.8; अतः कमी = 1 − 0.8 = 20%।
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