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xy>0? 1. x-y>-2 2.x-2y<-6 OA: E

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Manager
Joined: 29 Nov 2006
Posts: 56
xy>0? 1. x-y>-2 2.x-2y<-6 OA: E [#permalink]

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01 Apr 2007, 17:55
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xy>0?

1. x-y>-2
2.x-2y<-6

OA:E
Director
Joined: 13 Dec 2006
Posts: 512
Location: Indonesia

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02 Apr 2007, 01:46

from 1 x-y>-2, so it can be either negative or positive, this will not lead anywher hence insuff.

from 2. similarly this is also in sufficient.

On combining both we have, -6>-y>-2... but we dont know anything about x. so its also insufficient. hence answer is E

regards,

Amardeep
02 Apr 2007, 01:46
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