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If \(r\) and \(s\) are integers, is \(r^2+s\) even?
(1) The product of \(rs\) is odd.
(2) \(r\) is odd.
Answer: A
Source: GMAT Paper Tests
(1) The product of \(rs\) is odd.
(2) \(r\) is odd.
Answer: A
Source: GMAT Paper Tests
