Question

5. What is the age of principal?







(a) there are 14 students in a class.







(b) the average age of students and principal is 16 years.







(c) the average of 14 students is 3 less than the average age of 14 students and principal.















1) both (a) and (b)







2) all (a), (b) and (c)







3) both (b) and (c)







4) both (a) and (c)

Answer 1

Both A and C
This is my answer