GMAT Prep Practice Test - Confusing DS

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Source: — Data Sufficiency |

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by Anurag@Gurome » Thu Sep 20, 2012 7:22 pm
elliefrance wrote:Need help with the DS question below -

Is x less than 20?
1. The sum of x and y is less than 20.
2. y is less than 20.

1, 2, T, E, N?

Thanks!
-Ellie
Statement 1: (x + y) < 20
Possible combinations,
1. x = 25, y = -10
2. x = 10, y = 5

Not sufficient

Statement 2: No information regarding y.

Not sufficient

1 & 2 Together: Same examples as in statement 1.

Not sufficient

The correct answer is E.
Anurag Mairal, Ph.D., MBA
GMAT Expert, Admissions and Career Guidance
Gurome, Inc.
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