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# gmatprepDS

Author Message
Intern
Joined: 22 Mar 2008
Posts: 49

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02 Aug 2009, 21:53
00:00

Difficulty:

(N/A)

Question Stats:

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

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please explain this. OA is C
Attachment:

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Senior Manager
Joined: 26 Jul 2009
Posts: 325

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02 Aug 2009, 22:07
1. Insufficient. 'S' is positive.

2. Insufficient. 'R' and '-S' occupy the same position in the number line.

1 and 2: Sufficient. Since 'S' is positive thus 'R' (or '-S') is negative, thus '0' is definitely midway bet R and S.

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Re: gmatprepDS   [#permalink] 02 Aug 2009, 22:07
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