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Manager
Manager
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Joined: 21 Feb 2009
Posts: 108
Followers: 1

Kudos [?]: 53 [0], given: 4

Store [#permalink]

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New post 16 Aug 2009, 15:27
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

80% (01:44) correct 20% (03:52) wrong based on 13 sessions

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Senior Manager
Senior Manager
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Joined: 17 Mar 2009
Posts: 309
Followers: 7

Kudos [?]: 390 [0], given: 22

Re: Store [#permalink]

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New post 16 Aug 2009, 21:08
the answer is E

i would recommend you to type a few lines of the problem in the forum's search feature, which gave me around six results, the same problem has been discussed many times... here is a link, which would help you,
ds-62568.html?highlight=at+a+certain+store%2C+each+notepad+costs+x+dollars+each+marker+costs+y+dollars
Manager
Manager
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Joined: 25 Aug 2009
Posts: 176
Followers: 1

Kudos [?]: 76 [0], given: 12

Re: Store [#permalink]

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New post 06 Sep 2009, 18:19
Let N = cost of 1 notebook ; M = cost of 1 marker..

Given, 5N + 3M <= 10 question is 4N + 4M <= 10 ???

1.) N < 1

Let N = 0.2
=> 5N = 1
=> 3M <= 9
=> M <= 3
10$ can be sufficient or can not be sufficient.. hence, insufficient

2.) 11N <= 10
=> N <= 10/11
Maximum value of N = 10/11
=> 3M <= 10 - 50/11
=> Maximum value of M = 20/11
When N = 10/11 and M = 20/11 then, 4N + 4M > = 10
When N = 0.2 and M = 1 then 4N + 4M <= 10 hence, insufficient..

Combining both,,insufficient..Hence, E
Current Student
User avatar
Joined: 26 Jul 2010
Posts: 102
Location: India
Concentration: Operations, General Management
Schools: IIMA (M)
GMAT 1: 640 Q48 V29
GMAT 2: 670 Q49 V31
WE: Supply Chain Management (Military & Defense)
Followers: 5

Kudos [?]: 23 [0], given: 6

Re: Store [#permalink]

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New post 23 Apr 2011, 03:15
answer is E

in sufficient on both 1 & 2
_________________

lets start again

Re: Store   [#permalink] 23 Apr 2011, 03:15
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