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OG Is x > y?

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AbeNeedsAnswers Master | Next Rank: 500 Posts Default Avatar
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OG Is x > y?

Post Wed Aug 23, 2017 9:24 pm
Is x > y?

(1) x = y + 2
(2) x/2 = y - 1

A

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GMAT/MBA Expert

Post Thu Aug 24, 2017 9:57 am
Hi AbeNeedsAnswers,

We're asked if X is greater than Y. This is a YES/NO question. We can solve it by TESTing VALUES.

1) X = Y +2

With this Fact, we can see that X is "2 greater" than Y, so the answer to the question is ALWAYS YES. You can see this pattern with a few TESTs:
IF....
Y = 0, X = 2
Y = 5, X = 7
Y = -3, X = -1
Etc.
Fact 1 is SUFFICIENT

2) X/2 = Y - 1

IF....
Y = 1, X = 0 and the answer to the question is NO
Y = 3, X = 4 and the answer to the question is YES
Fact 2 is INSUFFICIENT

Final Answer: A

GMAT assassins aren't born, they're made,
Rich

_________________
Contact Rich at Rich.C@empowergmat.com

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