veritas ds#50

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Source: — Data Sufficiency |

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by Rahul@gurome » Mon Aug 30, 2010 8:58 pm
pradeepkaushal9518 wrote:is x>y?

1.x=y+2
2.x/2=y-1
(1) x = y + 2 implies x > y, which is clearly SUFFICIENT.

(2) x = 2y - 2
If y = 1, x = 0; here x < y
If y = 3, x = 4; here x > y
No unique answer.
So, (2) is NOT SUFFICIENT.

The correct answer is [spoiler](A)[/spoiler].
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