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If k is an integer and 2 < k < 8, what is the value of k ?

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If k is an integer and 2 < k < 8, what is the value of k ? [#permalink] New post 26 Jul 2012, 01:55
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

56% (01:29) correct 44% (00:29) wrong based on 55 sessions
If k is an integer and 2 < k < 8, what is the value of k ?

(1) k is a factor of 30.
(2) k is a factor of 12

[Reveal] Spoiler:
The answer given is E.

from statement 1 : k can be 2,3,5. k>2, so 3 or 5. NS
from statement 2 : k can be 2,3. k>2, so 3. Sufficient

Hence my answer was B. Am i missing something :(
[Reveal] Spoiler: OA

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Manager
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Joined: 12 May 2012
Posts: 85
Location: India
Concentration: General Management, Operations
GMAT 1: 650 Q51 V25
GMAT 2: 730 Q50 V38
GMAT 3: Q V
GPA: 4
WE: General Management (Transportation)
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Kudos [?]: 40 [2] , given: 14

Re: If k is an integer and 2 < k < 8, what is the value of k ? [#permalink] New post 26 Jul 2012, 03:34
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summer101 wrote:
If k is an integer and 2 < k < 8, what is the value of k ?

(1) k is a factor of 30.
(2) k is a factor of 12

The answer given is E.

from statement 1 : k can be 2,3,5. k>2, so 3 or 5. NS
from statement 2 : k can be 2,3. k>2, so 3. Sufficient

Hence my answer was B. Am i missing something :(


You probably misunderstood and worked for only primes.
The question stem states integers.

from statement 1 : Factors of 30 that are between 2 and 8 are: 3, 5 and 6. Not Sufficient

from statement 2: Factors of 12 that are between 2 and 8 are: 3 and 6. Not Sufficient

Both taken together: k can be either 3 or 6. Not Sufficient.

You missed 6.
Hope that helps.
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Re: If k is an integer and 2 < k < 8, what is the value of k ? [#permalink] New post 26 Jul 2012, 05:29
Ohh, thanks. For some unknown reason i thought the factor is prime. Thanks again.
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Kudos [?]: 7 [0], given: 6

Re: If k is an integer and 2 < k < 8, what is the value of k ? [#permalink] New post 23 May 2013, 05:12
summer101 wrote:
If k is an integer and 2 < k < 8, what is the value of k ?

(1) k is a factor of 30.
(2) k is a factor of 12

The answer given is E.

from statement 1 : k can be 2,3,5. k>2, so 3 or 5. NS
from statement 2 : k can be 2,3. k>2, so 3. Sufficient

Hence my answer was B. Am i missing something :(


hi mate, what you are missing is 5, 6 they too are factors mate :)
and 3, 6 are our traps :)
Re: If k is an integer and 2 < k < 8, what is the value of k ?   [#permalink] 23 May 2013, 05:12
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