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# If |ab| > ab, which of the following must be true? I.

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Manager
Joined: 01 Nov 2007
Posts: 147
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Kudos [?]: 253 [0], given: 0

If |ab| > ab, which of the following must be true? I.  [#permalink]  02 Apr 2008, 14:19
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100% (01:28) correct 0% (00:00) wrong based on 1 sessions
If |ab| > ab, which of the following must be true?

I. a < 0
II. b < 0
III. ab < 0

I only
II only
III only
I and III
II and III
Director
Joined: 14 Aug 2007
Posts: 734
Followers: 8

Kudos [?]: 124 [0], given: 0

Re: PS Inequality question [#permalink]  02 Apr 2008, 17:40
JCLEONES wrote:
If |ab| > ab, which of the following must be true?

I. a < 0
II. b < 0
III. ab < 0

I only
II only
III only
I and III
II and III

given:

|ab| > ab

if ab > 0 , ab > ab
if ab < 0 , -(ab) > ab , if ab < 0, -(ab) becomes positive, and -(ab) > ab is true.

so i will go for C. III only option

I can be totally wrong though
Re: PS Inequality question   [#permalink] 02 Apr 2008, 17:40
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