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The average age of 40 students of class is 18 years. When 20 new students are admitted to the same class, the average age of the students of the class is increased by 6 months. The average age of newly admitted students is ?
- A. 19 years
- B. 19 years 6 months
- C. 20 years
- D. 20 years 6 months
Answer: Option B
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