If x is a positive integer, is (x+y) even?

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Sat Sep 19, 2020 6:47 pm

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If x is a positive integer, is (x+y) even?

(1) K^x*K^y =1
(2) K is not equal to 1

OA C

Source: Manhattan Prep

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Source: Beat The GMAT — Data Sufficiency | Sat Sep 19, 2020 6:47 pm

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