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# Is s = r? (1) s2 = r2 (2) s is positive

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Intern
Joined: 14 Mar 2009
Posts: 3
Is s = r? (1) s2 = r2 (2) s is positive [#permalink]

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18 Mar 2009, 16:40
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 2 sessions

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Is s = r?
(1) s2 = r2
(2) s is positive

--== Message from GMAT Club Team ==--

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Senior Manager
Joined: 30 Nov 2008
Posts: 482
Schools: Fuqua

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18 Mar 2009, 17:16
IMO E.

Stmt 1: s^2 = r ^2. |s| = |r|. ==> Does not mean that s = r. Hence Insufficient.

Stmt 2: s > 0, cannot say anything abt r. Hence insufficient.

Again combining both, s > 0 and |s| = |r|.

Take an examples, s = 3(<0), r can be -3 or 3. (Since |s| = |r|) Hence insuffucuent.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: DS   [#permalink] 18 Mar 2009, 17:16
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