The product of the units digit, the tens digit, the hundreds digit, and the thousands digit of the positive integer k is 54. What is the tens digit of k?
(1) k is even
(2) The tens digit of k is 1 larger than the units digit of k
OA C
Source: Veritas Prep
The product of the units digit, the tens digit, the hundreds digit, and the thousands digit of the positive integer k is
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