MCQOPTIONS
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| 1. |
The average of 9 numbers is 40. If the average of the first five numbers is 38 and that of the last five is 50, then what is the fifth number? |
| A. | 78 |
| B. | 90 |
| C. | 80 |
| D. | 84 |
| Answer» D. 84 | |