SSC CGL Average question with solution
AverageModerateSSC CGL 2024
The average of 6 numbers is 31. If one number is removed, the average of the remaining numbers becomes 32. What is the removed number?
- (A)26
- (B)20
- (C)32
- (D)31
Correct answer: (A) 26
Sum of all 6 numbers = 6 × 31 = 186. Sum of the remaining 5 numbers = 5 × 32 = 160. The removed number is the difference: 186 − 160 = 26.
Shortcut: Removed number = old average + (n − 1) × (old average − new average) = 31 + 5 × (-1).
About this question
- Subject
- Quantitative Aptitude
- Topic
- Average
- Exam
- SSC CGL 2024
- Attempts on SSC Rank
- Not attempted yet
Appears in: SSC CGL 2024 Tier 1 Question Paper — 10 September, Shift 1
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Last reviewed on 5 Oct 2026. Spotted a mistake? See our correction policy.