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# Perp: ds

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Senior Manager
Joined: 18 Jun 2007
Posts: 286

Kudos [?]: 61 [0], given: 0

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22 Oct 2008, 11:58
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Is 1/a-b < b-a ?

A. a < b
B. 1 < |a-b|

Again, I got this right but I am interested to know how does 2nd statement shape up.

Kudos [?]: 61 [0], given: 0

VP
Joined: 05 Jul 2008
Posts: 1402

Kudos [?]: 437 [0], given: 1

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22 Oct 2008, 12:24
Is 1/a-b < b-a ?

A. a < b

a-b is negative means b-a is positive negative < positive Good

B. 1 < |a-b|

a-b is positive means a-b > 1 and b-a negative positive < negative no

a-b is -ve means 1 < -(a-b) 1 < (b-a) or b-a > 1 negative < positive yes

Hence A

Kudos [?]: 437 [0], given: 1

Senior Manager
Joined: 18 Jun 2007
Posts: 286

Kudos [?]: 61 [0], given: 0

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22 Oct 2008, 12:29
Oa is A. thx Icandy.
I was just curious if st.2 suggest anything else.

Kudos [?]: 61 [0], given: 0

Senior Manager
Joined: 21 Apr 2008
Posts: 269

Kudos [?]: 165 [0], given: 0

Location: Motortown

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22 Oct 2008, 14:08
A it is

rishi: don't give away OA so soon

Kudos [?]: 165 [0], given: 0

Re: Perp: ds   [#permalink] 22 Oct 2008, 14:08
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