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Brent@GMATPrepNow
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Brent Hanneson wrote:Is x-y>0?
(1) -1 < x/y < 1
(2)-y = (-2)/x
Stmt II
xy=2
i. x and y can be both positive
x =0.2, y=10 satisfies
ii. x and y can be both negative
x=-0.2, y=-10 satisifies
Insufficient
Stmt I
i. x and y both positive AND y>x
ii. x and y both negative and y<x
ii. Either of x or y is negative
Multiple possibilites..Insuff
Together, x and y can be both positive or negative
we cannot say x>y
E
