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Modulus DS Prob

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Junior | Next Rank: 30 Posts
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by Kumar007 » Tue Mar 17, 2009 8:47 pm
What is the value of |x+7|?

1. |x+3| = 14
2. (x+2)^2 = 169

Well the ans is D.
But can anyone please explain what is wrong with C
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Source: — Data Sufficiency |
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by cramya » Tue Mar 17, 2009 9:48 pm
Not sure what the source is.

I think u r right on the money with C.
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by avenus » Wed Mar 18, 2009 1:20 am
agree with C. Statement 2) on its own is clearly not sufficient...
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Re: Modulus DS Prob

by marcusking » Wed Mar 18, 2009 4:36 am
Kumar007 wrote:What is the value of |x+7|?

1. |x+3| = 14
2. (x+2)^2 = 169

Well the ans is D.
But can anyone please explain what is wrong with C
I agree it should be C.

1. x could be either 11 or -17 INSUFFICIENT
2. x could be either 11 or -15 INSUFFICIENT

Combine both together so that x = 11 and you have your answer.

Must be C.

Where did this come from?
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by Kumar007 » Wed Mar 18, 2009 4:55 pm
Well i had some test set that i was going through.
I was not convinced with the answer as D.
Thanks all of you for you replies.
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