2016 · Q19
Consider the sequential integers 27 to 93, both included in the sequence. The arithmetic average of these numbers will be:
General Mental Ability, Quantitative Aptitude and StatisticsNumber system and arithmetic
- A61.5
- B61
- C60.5
- D60
Explanation
For consecutive integers the arithmetic mean is the midpoint of the range: (27 + 93)/2 = 60. Equivalently, the sum 4020 over 67 terms gives 60. Hence (D).