Vincen Legendary Member View User Profile Posts: 2898 Joined: Thu Sep 07, 2017 2:49 pm Thanked: 6 times Followed by:5 members If \(x\) is a positive integer, is \(x+y\) even? by Vincen » Tue Oct 06, 2020 6:39 am Timer 00:00 Your Answer A B C D E Global Stats If \(x\) is a positive integer, is \(x+y\) even? (1) \(K^x\cdot K^y =1.\) (2) \(K\) is not equal to \(1.\) Answer: C Source: Manhattan GMAT Top Quote