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DS problem

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Intern
Joined: 13 Jan 2010
Posts: 23

Kudos [?]: 6 [0], given: 10

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19 Jan 2010, 19:01
What is the sum of integers and ?
1. |A| = -|B|
2. |B| = -|A|
 Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
 Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
 BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
 EACH statement ALONE is sufficient
 Statements (1) and (2) TOGETHER are NOT sufficient

Can we interet statement 1 to be A = -B or -A = -B i.e. A = B? Same for statement 2.
I picked E as the answer as both Statement 1 and 2 can give 2 results.

Kudos [?]: 6 [0], given: 10

Joined: 20 Aug 2009
Posts: 305

Kudos [?]: 162 [0], given: 69

Location: Tbilisi, Georgia
Schools: Stanford (in), Tuck (WL), Wharton (ding), Cornell (in)

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20 Jan 2010, 04:44
There is only one case when $$|A|=-|B|$$, that is when $$A=B=0$$. Thus A+B=0

Same goes for the second statement. It should be (D)

Kudos [?]: 162 [0], given: 69

Re: DS problem   [#permalink] 20 Jan 2010, 04:44
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DS problem

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