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The average age of class of 21 students is 34 years. If the age of the teacher be included the average rises by 1 year. What is the age of the teacher?
5Q:
The average age of class of 21 students is 34 years. If the age of the teacher be included the average rises by 1 year. What is the age of the teacher?
- 158 yearsfalse
- 256 yearstrue
- 360 yearsfalse
- 454 yearsfalse
- 552 yearsfalse
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