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Master | Next Rank: 500 Posts
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by dunkin77 » Wed May 30, 2007 2:36 am
Hi,

I first thought the answer is B but correct answer seems D - Dose it mean that 1) since we can say "NO" to the statement? (because the question is asking whether x/y is negative, but 1) statment confirms positive....)
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Source: — Data Sufficiency |
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by f2001290 » Wed May 30, 2007 6:14 am
1. If x=y , then x/y = 1
1>0 . Hence sufficient

2. If x = -y , then x/y = -1
-1<0 . Hence sufficent

Notable Point is that two statements can give different answers. But it shouldn't worry us.
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by cveluswamy » Fri Jun 01, 2007 6:51 am
f2001290,

The question is x/y <0 (lessthan). Your answer to the 1st statement is x/y>0 (greaterthan). Can you confirm.
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by 800GMAT » Fri Jun 01, 2007 9:04 am
A statement is sufficient if it answers a always YES or a always NO to the question..

Stmt 1 will yield a always NO to the question, Is x/y<0 and is therefore sufficient
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by gabriel » Fri Jun 01, 2007 9:07 am
... guyz plz post DS questions in the DS section :evil: .... thread is moved to the DS section

and the answer to the question is D .. even if a statement gives a -ve answer for a "is" DS ... it still means that the statment is enuf to answer the DS ..
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