SSC CGL Average question with solution
AverageModerateSSC CGL 2024
The average of 6 numbers is 50. If one number is removed, the average of the remaining numbers becomes 49. What is the removed number?
- (A)6
- (B)50
- (C)61
- (D)55
Correct answer: (D) 55
Sum of all 6 numbers = 6 × 50 = 300. Sum of the remaining 5 numbers = 5 × 49 = 245. The removed number is the difference: 300 − 245 = 55.
Shortcut: Removed number = old average + (n − 1) × (old average − new average) = 50 + 5 × (1).
About this question
- Subject
- Quantitative Aptitude
- Topic
- Average
- Exam
- SSC CGL 2024
- Attempts on SSC Rank
- 1 (0% answered correctly)
Appears in: SSC CGL 2024 Tier 1 Question Paper — 9 September, Shift 2
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Last reviewed on 5 Oct 2026. Spotted a mistake? See our correction policy.