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Vincen
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If \(n\) is a positive integer, what is the tens digit of \(n ?\)
(1) The hundreds digit of \(10n\) is 6.
(2) The tens digit of \(n + 1\) is 7.
[spoiler]OA=A[/spoiler]
Source: Official Guide
(1) The hundreds digit of \(10n\) is 6.
(2) The tens digit of \(n + 1\) is 7.
[spoiler]OA=A[/spoiler]
Source: Official Guide
