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| Q.3 | In a class of 45 students, there are 20 girls who scored an average of 42 marks in a test of 50 marks. If the class average is 36, what are the average marks of the boys? | |
| Ans | 1. 30.80 | |
| 2. 32.50 | ||
| 3. 31.20 | ||
| 4. 32.10 |
Correct Ans: 3
