RRB Technician Grade 3 previous year question
The average of three numbers is 20. If the two numbers are 11 and 22, respectively, then the third number is:
Asked in RRB Technician Grade 3 (06 Mar 2026 Shift 1) · Quantitative Aptitude
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Correct answer: (A) 27
The average of three numbers is 20, so their sum is 60. Given two numbers are 11 and 22 (sum 33), the third number is 60 - 33 = 27.
हिंदी में प्रश्न
तीन संख्याओं का औसत 20 है। यदि दो संख्याएं क्रमशः 11 और 22 हैं, तो तीसरी संख्या ज्ञात कीजिए।
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सही उत्तर: (A) 27
तीन संख्याओं का औसत 20 है, इसलिए उनका योग 60 है। दो संख्याएँ 11 और 22 (योग 33) दी गई हैं, इसलिए तीसरी संख्या = 60 - 33 = 27।
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