Average - Quantitative Aptitude (MCQ) questions for Q. 29356

Q.  Average age of 5 people is 42 years. Another group has 8 people who have average age of 81 years. When both groups are mixed what is average age of all people?
- Published on 11 Apr 17

a. 64 years
b. 66 years
c. 61.5 years
d. 70 years

ANSWER: 66 years
 
averages

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