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DS question 3

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Source: — Data Sufficiency |

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by [email protected] » Wed Apr 06, 2016 5:11 pm
Hi ezzeldin.khaled79,

This question should be posted in the DS Sub-Forum here: https://www.beatthegmat.com/data-sufficiency-f7.html

This question can be solved by TESTing VALUES and some basic arithmetic.

We're asked if X is greater than 2. This is a YES/NO question.

1) 5X = 15

From this Fact, we can see that there's 1 simple variable and 1 equation, so there's just 1 answer. Regardless of what the answer actually is, we CAN answer the given prompt. As it stands, X = 3, so the answer to the question is YES.
Fact 1 is SUFFICIENT

2) |X^2 - 3X + 2| < 5

IF...
X = 0, then the answer to the question is NO.
X = 3, then the answer to the question is YES.
Fact 2 is INSUFFICIENT

Final Answer: A

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by beatthegmat » Thu Apr 07, 2016 7:02 am
Rich, I've moved it there. :)

Thanks,

Sorin
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