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# GmatPrepTest2-Question1

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Manager
Joined: 24 Sep 2008
Posts: 189
Schools: Columbia Business School, NYU

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22 Feb 2009, 15:50
More Quant problems

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A New Yorker's MBA Journey Yo!
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Senior Manager
Joined: 30 Nov 2008
Posts: 482
Schools: Fuqua

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22 Feb 2009, 18:07
From the question stem it is given that $$m = (p^x) * (t ^ y)$$. We can conclude that exponents - x>=1 and y >= 1. The question asked is " Is m a multiple of $$(p^2) t$$ ? ". We can also rephrase the question as "Is x >= 2 ?"

From stmt1 - m has more than 9 factors ==> (x+1)(y+1) >= 9 ==> we cannot say the value of x and y here. So insufficient.

From stmt2 - m is a multiple of $$p^3$$ ==> x = 3 which is clearly > 2. Hence it is sufficient to say that m a multiple of $$(p^2) t$$ because y is atleast 1 from the given question clue, and x = 3 from the second statement.

IMO B.
Manager
Joined: 24 Sep 2008
Posts: 189
Schools: Columbia Business School, NYU

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23 Feb 2009, 06:19
You are right. OA is B. But can you provide an example of m?
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A New Yorker's MBA Journey Yo!
http://xlick.blogspot.com/

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23 Feb 2009, 08:12
stmt 1 :

Let take m= 2^1 * 3^ 9. So here u can see m is not multiple of not p^2 *t but factors greater than 10.Insufficient

stmt 2 :

m is a multiple of p^3. (m = p^3 * k)

so m = 2^3 * 3^1.so m is a mutiple of p2 *t

Sufficient B. Hope u got it.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: GmatPrepTest2-Question1   [#permalink] 23 Feb 2009, 08:12
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# GmatPrepTest2-Question1

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