MCQOPTIONS
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| 1. |
Two classes of standard 9 in a school with 40 students and 50 students have got average marks of 75% and 84% respectively. Then the average of both classes together is |
| A. | 75% |
| B. | 84% |
| C. | 80% |
| D. | 78% |
| Answer» D. 78% | |