RPF Constable previous year question
The average of 5 numbers is 50. If one number is excluded, the average of the remaining numbers becomes 49. Find the excluded number.
Asked in RPF Constable 2025: Shift 9 · Quantitative Aptitude
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Correct answer: (C) 54
Total of 5 numbers = 250. Total of remaining 4 = 196. Excluded number = 250 − 196 = 54.
हिंदी में प्रश्न
5 संख्याओं का औसत 50 है। यदि एक संख्या को हटा दिया जाए, तो शेष संख्याओं का औसत 49 हो जाता है। हटाई गई संख्या ज्ञात कीजिए।
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उत्तर और व्याख्या देखें
सही उत्तर: (C) 54
5 संख्याओं का योग = 250। शेष 4 संख्याओं का योग = 196। हटाई गई संख्या = 250 − 196 = 54।
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