The average age of a group of 10 students and a teacher is 18 yr. If the age of the teacher is excluded the average

### Question Asked by a Student from EXXAMM.com Team

Q 2210056819.     The average age of a group of 10 students and a teacher is
18 yr. If the age of the teacher is excluded the average falls
by 1 yr. What is the age of the teacher?
IBPS-CLERK 2017 Mock Prelims
A

30 yr

B

27 yr

C

28 yr

D

29 yr

E

None of these

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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