MCQOPTIONS
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MCQOPTIONS
| 1. |
The average of twelve numbers is 39. The average of the last five numbers is 35, and that of the first four numbers is 40. The fifth number is 6 less than the sixth number and 5 more than the seventh number. The average of the sixth and seventh numbers is: |
| A. | 47.5 |
| B. | 50 |
| C. | 44.5 |
| D. | 39 |
| Answer» D. 39 | |