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# Is x + y > 0? (1) x > y (2) x + y -1 > 0

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Re: Is x + y > 0? (1) x > y (2) x + y -1 > 0 [#permalink]
NandishSS wrote:
Is x+y > 0?

(1) x > y
(2) x + y -1 >0

(1) x > y

if x and y both are +ve no then x+y > 0
if x = -3 and y = -4
x+y < 0

Insufficient

(2) x + y -1 > 0
or
x+y > 1

sufficient
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Re: Is x + y > 0? (1) x > y (2) x + y -1 > 0 [#permalink]
NandishSS wrote:
Is x+y > 0?

(1) x > y
(2) x + y -1 >0

Question: Is x+y > 0?

Statement 1: x > y
Case 1: x = 2, y = -3 and x+y < 0
Case 2: x = 2, y = -1 and x+y < 0
NOT SUFFICIENT

Statement 2: x+y > 1
i.e. x+y is definitely greater than 0
SUFFICIENT