SSC GD Constable previous year question
The price of petrol (per litre) increases by 50%. By what percent should its consumption be decreased so that the expenditure on it increases by only 14%?
Asked in SSC GD Constable 2025: 06 Feb 2025 Shift 1 (Morning) · Quantitative Aptitude
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Correct answer: (A) 24%
Let reduction be r: 1.5×(1−r) = 1.14, so 1−r = 0.76, r = 0.24 = 24%.
हिंदी में प्रश्न
पेट्रोल के मूल्य में (प्रति लीटर) 50% की वृद्धि होती है। इसकी खपत में कितने प्रतिशत की कमी कर दी जाए कि इस पर होने वाले व्यय में केवल 14% की वृद्धि हो?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 24%
मान लीजिए कमी r है: 1.5×(1−r) = 1.14, अतः 1−r = 0.76, r = 0.24 = 24%।
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