How to Judge Data Sufficiency Answer Choices : GMAT Quantitative Section
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How to Judge Data Sufficiency Answer Choices

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How to Judge Data Sufficiency Answer Choices [#permalink]

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New post 08 Apr 2013, 18:12
Hi All,

I was Practising For data sufficiency when I came across this strange doubt of mine.

If for a question given , if both the options are giving answers but different answers. Can I count them? or is it that I should count them valid only if I am getting a unique answer for both the questions?

For Example:

IS u>v
1) u=10; v=12
2) u=12;v=10

here if I take 1, I will get answer as NO
if I take 2, I will get answer as YES.

Is getting an answer out of two Choices Provided important or getting a unique answer important?
Kindly let me know. Help me out on this!
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Re: How to Judge Data Sufficiency Answer Choices [#permalink]

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New post 09 Apr 2013, 01:54
2 things:
1.) In GMAT the information across the two statements is always consistent. So you will not face this problem. Also, would recommend to abandon the source where you saw such a problem.
2.) If you decide to persist - the answer is D. You can 'find' information from both the statements, and that is what matters.
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Re: How to Judge Data Sufficiency Answer Choices [#permalink]

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New post 09 Apr 2013, 02:49
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Expert's post
bharatdasaka wrote:
Hi All,

I was Practising For data sufficiency when I came across this strange doubt of mine.

If for a question given , if both the options are giving answers but different answers. Can I count them? or is it that I should count them valid only if I am getting a unique answer for both the questions?

For Example:

IS u>v
1) u=10; v=12
2) u=12;v=10

here if I take 1, I will get answer as NO
if I take 2, I will get answer as YES.

Is getting an answer out of two Choices Provided important or getting a unique answer important?
Kindly let me know. Help me out on this!


Technically answer should be D, as EACH statement ALONE is sufficient to answer the question.

But even though formal answer to the question is D (EACH statement ALONE is sufficient), this is not a realistic GMAT question, as: on the GMAT, two data sufficiency statements always provide TRUE information and these statements never contradict each other.

So, the question is flawed. You won't see such a question on the test.
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Re: How to Judge Data Sufficiency Answer Choices   [#permalink] 09 Apr 2013, 02:49
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