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If \(a\) and \(b\) are two integers such that \(a\) is even, \(b\) is odd and neither of them leaves a remainder of \(1\) when divided by \(10,\) what is the unit digit of \(a \times b?\)
(1) The units digit of \(a^3\) is the same as the units digit of \(a.\)
(2) The units digit of \(b^4\) is the same as the units digit of \(b.\)
Answer: B
Source: Veritas Prep
(1) The units digit of \(a^3\) is the same as the units digit of \(a.\)
(2) The units digit of \(b^4\) is the same as the units digit of \(b.\)
Answer: B
Source: Veritas Prep