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If p and j are positive integers, is p + j even?
(1) p – j is odd
(2) p = j + 1
(1) p – j is odd
(2) p = j + 1
11 Oct 2019, 01:24
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If p and j are positive integers, is p + j even?
(1) p – j is odd
(2) p = j + 1
(1) p – j is odd
(2) p = j + 1
#1
p-j= odd
either of one is odd and even so p+j cannot be even sufficient
#2
p=j+1 ; both are consective terms so p+j not even
sufficient
IMO D
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