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There is often a need to know how GMAT defines certain

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CTO
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There is often a need to know how GMAT defines certain [#permalink] New post 03 Jan 2008, 04:52
There is often a need to know how GMAT defines certain things to correctly answer the questions. Things like what are even and odd numbers, what is divisible (e.g. is 0 divisible by a positive n), does 0^0 exist and the like.

How about putting together a wiki page on this:
http://gmatclub.com/wiki/Math_definitions

I feel a bit out of the GMAT game, spending most of my time playing with the software on this site, so I would like to ask for expert help. Experts, if you know quirks like this, can you quickly post them (or links to relevant topics) here for me?

MANY THANKS.
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CTO
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Re: Math definitions - expert advice wanted [#permalink] New post 03 Jan 2008, 05:58
Go ahead, post the quirky facts in this thread.
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Re: Math definitions - expert advice wanted [#permalink] New post 03 Jan 2008, 06:09
I'll start simple: 0 is an even integer but neither negative nor positive :-D
1 is not a prime number and 2 is the only even prime number.

I'll try to find an actual page with all these quirks on it today.
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Re: Math definitions - expert advice wanted [#permalink] New post 03 Jan 2008, 06:13
Tino

Check for the announcement - there is a lot of good information posted by Honghu , Fig and ywilfred.

7-t44300
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Re: Math definitions - expert advice wanted [#permalink] New post 03 Jan 2008, 06:26
Perfect! Thanks. Me and dzyubam will wikify it shortly!
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Re: Math definitions - expert advice wanted [#permalink] New post 03 Jan 2008, 07:05
There may be an issue with the links ..

the basic mathematical principles thread is here: 7-t14576

We have a similar collection of links in verbal, gmat and share your gmat exp. forums as well.

The B-School App forum and B-School life forum has relevant links as well.
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Re: Math definitions - expert advice wanted [#permalink] New post 03 Jan 2008, 08:44
even + even = even
odd + odd = even
even + odd = odd
odd x odd = odd
even x even = even
even x odd = even
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Re: Math definitions - expert advice wanted [#permalink] New post 05 Jan 2008, 07:03
is zero an even integer?
Is zero -ve or +ve?

answer
zero is an even integer.
zero is neither -ve or +ve
Re: Math definitions - expert advice wanted   [#permalink] 05 Jan 2008, 07:03
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