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# For all the positive integers /m/, /m/ = 3m when m is odd

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Senior Manager
Joined: 05 Oct 2008
Posts: 273
For all the positive integers /m/, /m/ = 3m when m is odd [#permalink]

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15 Nov 2008, 23:54
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For all the positive integers /m/, /m/ = 3m when m is odd and /m/ =1/2m when m is even.

what is /9/ * /6/

18
27
36
54
81
Intern
Joined: 28 Jul 2008
Posts: 30

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16 Nov 2008, 00:28
IMO: E (81)

Substitution
Senior Manager
Joined: 05 Oct 2008
Posts: 273

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16 Nov 2008, 02:00
81 is not the correct answer
Intern
Joined: 28 Jul 2008
Posts: 30

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16 Nov 2008, 04:30
1
KUDOS
study wrote:
81 is not the correct answer

Could you please explain?
Senior Manager
Joined: 05 Oct 2008
Posts: 273

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16 Nov 2008, 06:44
I am hoping that someone would explain it as I too am unable to understand it
Senior Manager
Joined: 05 Oct 2008
Posts: 273

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16 Nov 2008, 09:16
Gmat Tiger, Icandy, Freishna - any thoughts on this question?
Senior Manager
Joined: 05 Oct 2008
Posts: 273

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16 Nov 2008, 12:06
this is a question from GMAT Prep test. I rechecked and the answer is not 81. Is it possible that there is an error???

Someone pls help to solve this. It seems so obvious and simple, but guess it's not!
VP
Joined: 05 Jul 2008
Posts: 1408

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16 Nov 2008, 14:29
Did you copy it correctly? can you please verify?
Director
Joined: 14 Aug 2007
Posts: 727

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17 Nov 2008, 00:46
study wrote:
For all the positive integers /m/, /m/ = 3m when m is odd and /m/ =1/2m when m is even.

what is /9/ * /6/

18
27
36
54
81

Can you please attach the screenshot of the question?
Senior Manager
Joined: 05 Oct 2008
Posts: 273

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17 Nov 2008, 02:54
Checked it again and I think I have copied it correctly. Does anyone know how to paste a snapshot of it on this website forum.
Intern
Joined: 31 Oct 2008
Posts: 16

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17 Nov 2008, 18:28
I also agree with 81 based on the question as stated. It'd be helpful to see the exact screenshot (you can press the Print Screen button, paste it into MS Paint or Word, save as a file, and then upload).

I think the answer would be 27 if it was /3m/=m for when m is odd instead of /m/=3m.
SVP
Joined: 29 Aug 2007
Posts: 2473

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17 Nov 2008, 21:46
study wrote:
For all the positive integers /m/, /m/ = 3m when m is odd and /m/ = 1/2m when m is even.

what is /9/ * /6/

18
27
36
54
81

It seems something is missing. Can you repost it in screenshot format?

As it is 81 looks correct but until you post the question directly from GMAT Prep, it remains unclear.
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Senior Manager
Joined: 05 Oct 2008
Posts: 273

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18 Nov 2008, 05:39
Can someone pls explain how to post it in screenshot format.
Intern
Joined: 19 Jun 2008
Posts: 20

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18 Nov 2008, 12:12
Use the printscreen function; shift printscreen and then paste in MS Paint and save or better yet just paste in a reply.
Intern
Joined: 26 Jun 2005
Posts: 1
Location: Lahore

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19 Nov 2008, 03:48
answer seemed to be 81.
Manager
Status: I will not stop until i realise my goal which is my dream too
Joined: 25 Feb 2010
Posts: 229
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01 Jul 2011, 20:02
answer is 27 as per GMAT PREP test..i just did it today..even i had selected the answer as 81.....just wondering how the answer is 27...this may not be a straight substitution problem....lets wait and see if some one could answer this...
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Harsha

Note: Give me kudos if my approach is right , else help me understand where i am missing.. I want to bell the GMAT Cat

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Re: Symbols   [#permalink] 01 Jul 2011, 20:02
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# For all the positive integers /m/, /m/ = 3m when m is odd

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