The average age of students in section A of 50 students is 14 years and the average age of students in section B of 30 students is 6 years. Find the average age of student in both section taken together.

11 years

Average age in section A of 50 students =14years

Total age of 50 students =50×14=700

Average age in section B of 30 students = 6years

Total age of 30 students =30×6=180

Average age of both sections = \(\frac{700 + 180}{80}\) = 11 years