The ages of 10 students and their teacher are such that the average of the…
TCS · 2025
The ages of 10 students and their teacher are such that the average of the first 7 students' age is 15 years; the average of the last three students' age is 11 years. The average age of all the students and their teacher together is 15 years. Find the age of the teacher.
- A.
24 years
- B.
27 years
- C.
30 years
- D.
33 years
Attempted by 96 students.
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