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GMAT PREP2 DS4

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Manager
Manager
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Joined: 09 Jul 2007
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GMAT PREP2 DS4 [#permalink] New post 08 Oct 2007, 12:10
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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plz explain...thx
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CEO
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Re: GMAT PREP2 DS4 [#permalink] New post 08 Oct 2007, 13:03
12345678 wrote:
plz explain...thx



N=notepad
M=marker

5N+3M<=10

4N+4M<=10???


S1:

To make things easier just say M=1. b/c M could be .99999999999999999999999999999999999999999999999 etc...

5+3M<=10. We can make M=1 and N=1.65 and this still holds.

4N+4M<10> 4(1) + 4*(1.65) > 10. WE can obviously think of values to make this work.

So this is insuff.

S2:

essentially 10/11>=N or .909...>=N To make things easier just say N =.9

Now 5*.9 + 3M<10> 4.5+3M<=10 3M<=5.5 M<=1.83....

Now: 4(.9) + 4(1.83) is greater than 10. We can also think of values that would satisfy this inequality.

Insuff.

1&2:
Nothing new. B gives us more information than A and B is insuff.

So I say E for this one.


This prob was not hard, just very tedious and I prolly would have guessed b/c this was way too time consuming w/ all the long division and all. Would have done what I could in 2 min or so (unless I am very close to the answer) click and move on.
Director
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Re: GMAT PREP2 DS4 [#permalink] New post 08 Oct 2007, 20:19
12345678 wrote:
plz explain...thx


E for me too . too much "plug and chug" in blackbelt language!
CEO
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Re: GMAT PREP2 DS4 [#permalink] New post 08 Oct 2007, 21:02
ashkrs wrote:
12345678 wrote:
plz explain...thx


E for me too . too much "plug and chug" in blackbelt language!


;)
Re: GMAT PREP2 DS4   [#permalink] 08 Oct 2007, 21:02
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