MCQOPTIONS
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| 1. |
There is a digit at the 10th place of 6n, in which n is a natural number that is greater than 1, it can be: |
| A. | 1, 2, 3, 4, 5 |
| B. | 1, 3, 5, 7, 9 |
| C. | 1, 2, 6, 8, 9 |
| D. | 1, 3, 5, 8, 9 |
| Answer» B. 1, 3, 5, 7, 9 | |