Question

The average age of an office of 29 workers is 12 years. If the age of the manager be included then the average increases by 6 months. Find the age of the manager?

• A. 19
• B. 24
• C. 25
• D. 27

Answer 1

Answer:

D. 27

The age of 29 workers = (29*12)=348 yrs Average age of 30 persons = 12 yrs 6 months = 12 ½ years =25 / 2 yrs Total age of 30 persons = (25 / 2)* 30=375 yrs Age of the manager = (375 – 348) =27 yrs