Mathematics · Average
The average age of 40 students in a class is 12 years. The average age of the students increased by 4 months due to 20 new admissions in the class. The average age of the newly admitted students is:
- 113 years✓
- 213 years 4 months
- 314 years
- 414 years 6 months
Correct answer
13 years
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