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# infinite subset

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infinite subset [#permalink]  18 Jul 2011, 01:42
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if Z is an infinite subset of real numbers is there a number in Z that is greater than every number in Z?

1) every number in Z is divisible by 5
2) every number in Z is negative multiple of prime number

can someone explain me this question.don't get statement 2) .
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Re: infinite subset [#permalink]  18 Jul 2011, 02:12
mastaliyev wrote:
if Z is an infinite subset of real numbers is there a number in Z that is greater than every number in Z?

1) every number in Z is divisible by 5
2) every number in Z is negative multiple of prime number
can someone explain me this question.don't get statement 2) .

Where is this from?

Confused but Looks like E to me

1)
{5,5,5,5,....\infty}. No
{5,10,15,20,....\infty}. Yes.
Not Sufficient.

2)
{-5,-5,-5,-5,....-\infty}. No
{-5,-10,-15,-20,....-\infty}. Yes.
Not Sufficient.

Together
Not Sufficient.

Ans: "E"
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Re: infinite subset [#permalink]  18 Jul 2011, 20:07
it's GMAT club test
and OA is
[Reveal] Spoiler:
B
CIO
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Re: infinite subset [#permalink]  18 Jul 2011, 23:39
1
KUDOS
Hi,

Can you please specify the exact Test and question number?
I can't remember this question and it seems that it's not one of our questions. E seems to be the answer for me too.

mastaliyev wrote:
it's GMAT club test
and OA is
[Reveal] Spoiler:
B

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Re: infinite subset [#permalink]  19 Jul 2011, 03:29
dzyubam wrote:
Hi,

Can you please specify the exact Test and question number?
I can't remember this question and it seems that it's not one of our questions. E seems to be the answer for me too.

mastaliyev wrote:
it's GMAT club test
and OA is
[Reveal] Spoiler:
B

it's from iPhone application of GMATClub. may be,this question grabbed from forum (which posted by user).
CIO
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Re: infinite subset [#permalink]  19 Jul 2011, 04:00
It looks like it was submitted by the user. It's not one of our GMAT Club Tests.
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Re: infinite subset   [#permalink] 19 Jul 2011, 04:00
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