The average age of 30 students of a class is 27 years. When the age of the class teacher is also included, the average a

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Q 2454145954.     The average age of 30 students of a class is 27 years. When the age of the class teacher is also included, the average age of the whole class increases by 1 year. What is the age of the class teacher?
IBPS-CLERK 2017 Mains
A

53 years

B

58 years

C

61 years

D

69 years

E

None of these

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

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