SSC GD Constable previous year question
What will be the difference in population 3 years ago and 2 years ago of a town, whose current population is 100000 and which is increasing at a rate of 25% every year?
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 3 · Quantitative Aptitude
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Correct answer: (B) 12800
Population 2 years ago = 100000/1.25² = 64000; 3 years ago = 100000/1.25³ = 51200; difference = 64000−51200 = 12800.
हिंदी में प्रश्न
एक कस्बे की 3 वर्ष पहले और 2 वर्ष पहले की जनसंख्या में क्या अंतर होगा, जिसकी वर्तमान जनसंख्या 100000 है और जो हर वर्ष 25% की दर से बढ़ रही है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 12800
2 वर्ष पहले की जनसंख्या = 100000/1.25² = 64000; 3 वर्ष पहले = 100000/1.25³ = 51200; अंतर = 64000−51200 = 12800।
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