Question
Find the missing number, if a certain rule is followed either row-wise or column-wise.
| 6 | 40 | 2 |
| 9 | 65 | 4 |
| 7 | 80 | ? |
| 6 | 40 | 2 |
| 9 | 65 | 4 |
| 7 | 80 | ? |
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