Question

The average age of 30 students in a class is 16 years. If the age of the teacher is included then the average increases by 1 then find the age of the teacher’s wife who is 4 years younger than the teacher?

• A. 35
• B. 39
• C. 43
• D. 45

Answer 1

Answer:

C. 43

Total age of 30 students= 16*30= 480 Including teacher, total weight= 31* 17= 527 Age of teacher = 527- 480= 47 Age of teacher’s wife= 43