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If \(a\) is a \(3\)-digit integer and \(b\) is a \(3\)-digit integer, is the units digit of the product of \(a\) and

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If \(a\) is a \(3\)-digit integer and \(b\) is a \(3\)-digit integer, is the units digit of the product of \(a\) and

by M7MBA » Thu Sep 17, 2020 1:48 am

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If \(a\) is a \(3\)-digit integer and \(b\) is a \(3\)-digit integer, is the units digit of the product of \(a\) and \(b\) greater than \(5?\)

(1) The units digit of \(a\) is \(4.\)
(2) The units digit of \(b\) is \(7.\)

Answer: C

Source: Official Guide
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