SSC GD Constable previous year question
The average of 4 numbers is 24. The average of the first 2 numbers is double the average of the last 2 numbers. What is the sum of the last 2 numbers?
Asked in SSC GD Constable 2024: 21 Feb 2024 Shift 2 · Quantitative Aptitude
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Correct answer: (A) 32
Total of 4 = 96. With last-two avg=x, first-two avg=2x: 6x=96 ⟹ x=16. Sum of last two = 32.
हिंदी में प्रश्न
4 संख्याओं का औसत 24 है। प्रथम 2 संख्याओं का औसत अंतिम 2 संख्याओं के औसत से दोगुना है। अंतिम 2 संख्याओं का योग क्या है?
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उत्तर और व्याख्या देखें
सही उत्तर: (A) 32
Total of 4 = 96. With last-two avg=x, first-two avg=2x: 6x=96 ⟹ x=16. Sum of last two = 32.
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