RRB NTPC CBT-1 previous year question
The average of 6.5, 10.8, 20 and a is 15. The value of a is: 5089
Asked in RRB NTPC 2026 — 17 June Shift 2 · Quantitative Aptitude
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Correct answer: (C) 22.7
Sum of four values = 15*4 = 60. So a = 60 - (6.5+10.8+20) = 60-37.3 = 22.7.
हिंदी में प्रश्न
6.5 10.8 20 Siva का औसत 15 है, dia का मान ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 24.7
चार मानों का योग = 15*4 = 60। अतः a = 60 - (6.5+10.8+20) = 60-37.3 = 22.7।
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