The average age of a class of 25 students is 26 years. The average increased by 1 when the teacher's age also included. What is the age of the teacher?	Choose the correct choice from the following answers:
A) 40
B) 41
C) 52
D) 62
E) 73

Rationale: "total age of all students = 25 ã — 26 total age of all students + age of the teacher = 26 ã — 27 age of the teacher = 27 ã — 26 â ˆ ’ 25 ã — 26 = 26 ( 27 â ˆ ’ 25 ) = 26 ã — 2 = 52 answer is c ."
Answer: C