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If \(a\) and \(b\) are positive integers, is \(10^a + b\) divisible by \(3?\)
(1) \(\dfrac{b}2\) is an odd integer.
(2) The remainder of \(\dfrac{b}{10}\) is \(b.\)
Answer: E
Source: GMAT Club Tests
(1) \(\dfrac{b}2\) is an odd integer.
(2) The remainder of \(\dfrac{b}{10}\) is \(b.\)
Answer: E
Source: GMAT Club Tests
