SSC GD Constable previous year question
The average of five numbers is 75. The average of the first two numbers is 6 times the average of the last three numbers. What is the sum of the first two numbers?
Asked in SSC GD Constable 2024: 27 Feb 2024 Shift 2 · Quantitative Aptitude
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Correct answer: (C) 300
Total of 5 = 375. With last-three avg=x, first-two avg=6x: 15x=375 ⟹ x=25. Sum of first two = 12x = 300.
हिंदी में प्रश्न
पांच संख्याओं का औसत 75 है। प्रथम दो संख्याओं का औसत अंतिम तीन संख्याओं के औसत का 6 गुना है। प्रथम दो संख्याओं का योग क्या होगा?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 315
Total of 5 = 375. With last-three avg=x, first-two avg=6x: 15x=375 ⟹ x=25. Sum of first two = 12x = 300.
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