Average - Quantitative Aptitude (MCQ) questions for Q. 29383

Q.  Average age of 7 family members is 75 years. But average age of 6 of them is 74 years 6 months. What is the age of the 7th family member?

- Published on 11 Apr 17

a. 75.5
b. 78
c. 68
d. 80

ANSWER: 78
 
average

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