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# Is x-y < 0? 1. x+y > 0 2. |x| - |y| < |x-y

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VP
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Is x-y < 0? 1. x+y > 0 2. |x| - |y| < |x-y [#permalink]

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03 Jun 2006, 09:52
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Is x-y < 0?

1. x+y > 0
2. |x| - |y| < |x-y|
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03 Jun 2006, 11:18
giddi77 wrote:
Is x-y < 0?

1. x+y > 0
2. |x| - |y| < |x-y|

Is x-y < 0? or is x < y?

St. 1 - Insufficient
x and y could equal anything
x = 2, y =1 No
x = 1, y = 2 Yes

St. 2 - Insufficient
x= -3, Y = 5 No
x = 5, y = -3 Yes

Together - Insufficient
x= -3, Y = 5 No
x = 5, y = -3 Yes
VP
Joined: 29 Dec 2005
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03 Jun 2006, 11:26
giddi77 wrote:
Is x-y < 0?

1. x+y > 0
2. |x| - |y| < |x-y|

is x<y ?

1. x+y > 0.
x>-y
y>-x
x and y both could be +ve or if one is +ve ther other one is -ve. nsf

2. |x| - |y| < |x-y|
|x-y| >|x| - |y| only if either one is +ve or the other one is -ve. again nsf.

E.
Re: DS: Mod2   [#permalink] 03 Jun 2006, 11:26
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