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| Q.40 | In Class I there are 12 students of average age 20 years, and in Class II there are 16 students of average age 23 years. What is the average age of the students of both the classes? | |
| Ans | 1. 1.53 years | |
| 2. 20.7 years | ||
| 3. 21.7 years | ||
| 4. 43 years |
Correct Ans Provided: 3
