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

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

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02 Apr 2008, 15:19
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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
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02 Apr 2008, 18:40
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, 18:40
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