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if -2x>3y, is x negative?

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Source: — Data Sufficiency |
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by selango » Tue Sep 14, 2010 7:13 am
-2x>3y or x/y<-1.5

stmt1,

y>0

Only if x is -ve,the above inequality is satisfied.

Suff

stmt2,

2x+5y-20=0

-2x=5y-20

-->5y-20>3y

y>10

-->-2x>30

Only if x is -ve,the above inequality is satisfied.

Suff

Pick D
--Anand--
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by beatthegmatinsept » Tue Sep 14, 2010 8:13 am
One more vote for D.
Being defeated is often only a temporary condition. Giving up is what makes it permanent.
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by goyalsau » Tue Sep 14, 2010 9:42 am
selango wrote:-2x>3y or x/y<-1.5

stmt1,

y>0

Only if x is -ve,the above inequality is satisfied.

Suff

stmt2,

2x+5y-20=0

-2x=5y-20

-->5y-20>3y

y>10

-->-2x>30

Only if x is -ve,the above inequality is satisfied.

Suff

Pick D
I picked A first ,

nice explanation.
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