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Source: — Data Sufficiency |
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by parallel_chase » Sat Aug 09, 2008 3:24 pm
The answer should be A.

Statement I

x=y+2

if y=1/2, x=2.5 x>y
if y=4, x=6 x>y
if y=-4, x=-2 x>y
if y=-1/2, x= 1.5 x>y

Sufficient.

Statement II

x/2=y-1 => x=2y-2

if y=6, x=10 x>y
if y=-6, x= -14 x<y

Hence Insufficient.


The answer is A.
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