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Is x y > 0?

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by sanju09 » Mon Jul 26, 2010 2:35 am
Is x y > 0?

1. x/y < 0.
2. x + y < 0.

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by outreach » Mon Jul 26, 2010 4:02 am
A


stmt 1
either x or y will be negative. so xy will never be greater than zero

suff


stmt2
-x and y can be negative. so xy will be greater than zero
-either x or y will be negative. so xy will never be greater than zero

insuff
sanju09 wrote:Is x y > 0?

1. x/y < 0.
2. x + y < 0.

[spoiler]Source: majortests.com[/spoiler]
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by selango » Mon Jul 26, 2010 6:07 am
xy>0?

stmt1,

x/y<0

Either x or y is negative.

So xy ll be -ve and xy<0

stmt2,

x+y<0

x=1,y=-2,x+y<0,xy<0

x=-1,y=-3,x+y<0,xy>0

We dont know the sign of both x and y.

Insuff

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