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# Will 0 qualify as a Positive even number ?

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Director
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Will 0 qualify as a Positive even number ? [#permalink]

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22 Jul 2010, 06:10
0 is even

but 0 is neither + / -

so 0 is not an positive even number am i right ?
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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22 Jul 2010, 07:39
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Check the number theory chapter in attached link.

gmat-math-book-87417.html
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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22 Jul 2010, 06:29
You are absolutely right!!!
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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22 Jul 2010, 06:43
I am always puzzled with the properties of 0 and 1. Is there a comprehensive list of properties of these numbers?
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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22 Jul 2010, 09:56
zero is even number but its neither positive nor negative.
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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23 Jul 2010, 01:26
True, Zero is even number but its neither positive nor negative. But I do have a doubt as zero comes under natural numbers, those are non-negative integers. So, I think we can treat this as positive.
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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23 Jul 2010, 02:10
kissthegmat wrote:
True, Zero is even number but its neither positive nor negative. But I do have a doubt as zero comes under natural numbers, those are non-negative integers. So, I think we can treat this as positive.

Natural numbers starts from 1 not 0

whole numbers starts from 0

Natural numbers are subset of whole number.

Whole numbers := [0,natural numbers]
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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23 Jul 2010, 05:55
Hussain15 wrote:
Check the number theory chapter in attached link.

gmat-math-book-87417.html

Thanks for the pointer. The book is really helpful.
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Re: Will 0 qualify as a Positive even number ? [#permalink]

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24 Jul 2010, 23:31
gurpreetsingh wrote:
kissthegmat wrote:
True, Zero is even number but its neither positive nor negative. But I do have a doubt as zero comes under natural numbers, those are non-negative integers. So, I think we can treat this as positive.

Natural numbers starts from 1 not 0

whole numbers starts from 0

Natural numbers are subset of whole number.

Whole numbers := [0,natural numbers]

Thanks gurpreetsingh

I was also thinking the same but wikipedia changed my decision, check out this link. http://en.wikipedia.org/wiki/Natural_number

may be wiki is wrong on this..

I got another link regarding this, http://mathforum.org/library/drmath/view/57186.html
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Re: Will 0 qualify as a Positive even number ?   [#permalink] 24 Jul 2010, 23:31
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# Will 0 qualify as a Positive even number ?

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