M7MBA Moderator View User Profile Posts: 2058 Joined: Sun Oct 29, 2017 4:24 am Thanked: 1 times Followed by:5 members If \(x\) and \(y\) are positive integers, is the product \(xy\) even? by M7MBA » Wed Sep 09, 2020 6:34 am Timer 00:00 Your Answer A B C D E Global Stats If \(x\) and \(y\) are positive integers, is the product \(xy\) even? (1) \(5x - 4y\) is even. (2) \(6x + 7y\) is even. Answer: D Source: GMAT Prep Top Quote