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Manager
Manager
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Joined: 21 Feb 2009
Posts: 110
Followers: 1

Kudos [?]: 17 [0], given: 4

Store [#permalink] New post 16 Aug 2009, 14:27
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

80% (01:44) correct 20% (03:52) wrong based on 6 sessions
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Senior Manager
Senior Manager
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Joined: 17 Mar 2009
Posts: 310
Followers: 6

Kudos [?]: 243 [0], given: 22

GMAT Tests User
Re: Store [#permalink] New post 16 Aug 2009, 20:08
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
avatar
Joined: 25 Aug 2009
Posts: 177
Followers: 1

Kudos [?]: 59 [0], given: 12

GMAT Tests User
Re: Store [#permalink] New post 06 Sep 2009, 17:19
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
Manager
Manager
User avatar
Joined: 26 Jul 2010
Posts: 101
Location: India
Concentration: Operations, General Management
Schools: IIMA
GMAT 1: 640 Q48 V29
GMAT 2: 670 Q49 V31
WE: Supply Chain Management (Military & Defense)
Followers: 4

Kudos [?]: 20 [0], given: 5

Re: Store [#permalink] New post 23 Apr 2011, 02:15
answer is E

in sufficient on both 1 & 2
_________________

lets start again

Re: Store   [#permalink] 23 Apr 2011, 02:15
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