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

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xy>0? 1. x-y>-2 2.x-2y<-6 OA: E [#permalink] New post 01 Apr 2007, 17:55
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xy>0?

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

OA:E
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 [#permalink] New post 02 Apr 2007, 01:46
Answer E

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
  [#permalink] 02 Apr 2007, 01:46
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xy>0? 1. x-y>-2 2.x-2y<-6 OA: E

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