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# M16#14-Moderators Pls

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Director
Joined: 04 Jan 2008
Posts: 896

Kudos [?]: 732 [0], given: 17

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07 Jul 2009, 06:43
If $$a$$ and $$b$$ are integers, is $$\frac{a}{b}$$ an even integer?

1. $$ab$$ is odd
2. $$a + b$$ is even

Posted it but then realized I understood it
OA
[Reveal] Spoiler:
A

BB/Moderators--Can we club all the explanations of Gmat Club Tests--M # wise
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http://gmatclub.com/forum/math-polygons-87336.html
http://gmatclub.com/forum/competition-for-the-best-gmat-error-log-template-86232.html

Kudos [?]: 732 [0], given: 17

CIO
Joined: 02 Oct 2007
Posts: 1218

Kudos [?]: 970 [0], given: 334

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07 Jul 2009, 07:11
I'm afraid I can't understand your question right.

Sorry.
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Kudos [?]: 970 [0], given: 334

Director
Joined: 03 Jun 2009
Posts: 785

Kudos [?]: 883 [0], given: 56

Location: New Delhi
WE 1: 5.5 yrs in IT

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07 Jul 2009, 08:04
IMO A

1. ab is odd
Implies, both a and b are odd numbers. (In case even one of them is even, the product would also be even.)
when both numbers are odd, then a/b will also be either a odd integer or a decimal number, but can never be even integer.

Hence A is sufficient to determine.

2. a+b is even
Either both a and b are odd, or both even.
We cannot conclude that a/b would be odd or even
_________________

Kudos [?]: 883 [0], given: 56

Director
Joined: 04 Jan 2008
Posts: 896

Kudos [?]: 732 [0], given: 17

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07 Jul 2009, 08:53
I was proposing to create Master Thread for each Test

pls ignore

dzyubam wrote:
I'm afraid I can't understand your question right.

Sorry.

_________________

http://gmatclub.com/forum/math-polygons-87336.html
http://gmatclub.com/forum/competition-for-the-best-gmat-error-log-template-86232.html

Kudos [?]: 732 [0], given: 17

Re: M16#14-Moderators Pls   [#permalink] 07 Jul 2009, 08:53
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# M16#14-Moderators Pls

Moderator: Bunuel

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