The mean of the ages of ten secondary school pupils is 16 but when the
MATHEMATICS
JAMB 1993
The mean of the ages of ten secondary school pupils is 16 but when the age of their teacher is added to it the men becomes 19. Find the age of the teacher
- A. 27
- B. 35
- C. 38
- D. 49
Correct Answer: D. 49
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