The average age of 29 boys of a class is equal to 14 years When the age of the class teacher is incl...........

Quantitative Aptitiude (CLAT) Average

The average age of 29 boys of a class is equal to 14 years. When the age of the class teacher is included the average becomes 15 years. Find the age of the class teacher.

44 years

40 years

52 years

66 years

Explanation:

Total age of boys = 29 × 14 = 406 years.
Let the age of teacher be T
Then,T + 406 /30 = 15,
Solving we get T = 44 years
Hence, option 1 is the correct answer.