Are you looking for correct answer of The average of seven numbers is 18 If one of the…? Here we have shared detailed answer with explanations.
The average of seven numbers is 18. If one of the numbers is 17 and if it is replaced by 31, then the average becomes :
- A. 21.5
- B. 19.5
- C. 20
- D. 21
Answer: Option C
Here is complete explanation of The average of seven numbers is 18 If one of the….