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DS Question: X=?. Correct Answer D.

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DS Question: X=?. Correct Answer D. [#permalink] New post 17 Jul 2012, 01:48
Hello there.

I got a DS question aksing for the value of a variable x. The correct answer is D, each statement alone is sufficient.

But now the problem: I get different values from the two statements, e.g.: statement 1 -> x=3, statement 2 -> x=4.

Is that possible in DS questions?

Best regards
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Re: DS Question: X=?. Correct Answer D. [#permalink] New post 17 Jul 2012, 01:52
Expert's post
Wurmi wrote:
Hello there.

I got a DS question aksing for the value of a variable x. The correct answer is D, each statement alone is sufficient.

But now the problem: I get different values from the two statements, e.g.: statement 1 -> x=3, statement 2 -> x=4.

Is that possible in DS questions?

Best regards


No, scenario you describe is not possible, since on the GMAT, two data sufficiency statements always provide TRUE information and these statements never contradict each other.

So, for example in an YES/NO DS question you cannot have a NO answer from the first statement and an YES answer from the second statement or if you are asked to find the value of x, then you cannot get x=3 from the first statement and x=4 from the second statement (this would mean that your solution is not correct).

Hope it helps.

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Re: DS Question: X=?. Correct Answer D. [#permalink] New post 17 Jul 2012, 02:01
Thank you very much!
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Re: DS Question: X=?. Correct Answer D. [#permalink] New post 17 Jul 2012, 20:39
Expert's post
Wurmi wrote:
Hello there.

I got a DS question aksing for the value of a variable x. The correct answer is D, each statement alone is sufficient.

But now the problem: I get different values from the two statements, e.g.: statement 1 -> x=3, statement 2 -> x=4.

Is that possible in DS questions?

Best regards


This is how I like to explain why the two statements cannot give you conflicting answers:

Imagine that the GMAT DS question stem is a puzzle. You cannot answer it with the data given in the stem. So you get a clue (stmnt 1). You try and solve it using stmnt 1. Say, it is not enough. You get another clue (stmnt 2). You try and solve it using 2 alone. If it is not enough, you try solving using both statements. There is only one answer to the puzzle. The 2 statements are just 2 clues to the puzzle so it will not happen that they give conflicting answers.
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Re: DS Question: X=?. Correct Answer D.   [#permalink] 17 Jul 2012, 20:39
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