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The average age of 24 boys and their teacher is 15 years. When the teacher's age is excluded, the average age decreases by 1 year. The age of the teacher is:
5Q:
The average age of 24 boys and their teacher is 15 years. When the teacher's age is excluded, the average age decreases by 1 year. The age of the teacher is:
- 140 Yearsfalse
- 241 Yearsfalse
- 338 Yearsfalse
- 439 Yearstrue
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