SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Average

The average age of a class of 40 students is 12 years. if the teacher's age is also included, the average increases by one year. Find the age of the teacher?

1
54 years
2
55 years
3
53 years
4
52 years
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