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is X-Y> X+Y

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Source: — Data Sufficiency |
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by liferocks » Sun May 02, 2010 5:51 pm
the question is X-Y>X+Y or if Y<0

now from 1 we get Y<-2 ...sufficient
from 2 Y=-20 ..sufficient

ans option D
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by this_time_i_will » Sun May 02, 2010 6:03 pm
ansumania wrote:hi,

pl. provide your explanation.......

Q- if X-Y>10, is X-Y> X+Y

1:X=8

2: Y=-20
Is x-y>x+y can be reduced to is -y>y? this is only possible when y is negative.

I. x=8 and x-y>10, means y<-2. so y is negative and hence SUFFICIENT.
II. y is negative and hence SUFFICIENT.
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