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Is 6x/13 an integer

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GMAT Forum Moderator
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Joined: 27 May 2014
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Is 6x/13 an integer [#permalink]

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New post 08 Mar 2017, 10:20
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

97% (00:28) correct 3% (00:00) wrong based on 29 sessions

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Is 6x/13 an integer?

(1) x is a prime number
(2) 3x is divisible by 13
[Reveal] Spoiler: OA
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Re: Is 6x/13 an integer [#permalink]

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New post 08 Mar 2017, 11:56
saswata4s wrote:
Is 6x/13 an integer?

(1) x is a prime number
(2) 3x is divisible by 13



Question ask whether 6x/13 is a integer .
for 6x/13 to be a integer , x need to be 13 or multiple of 13 .

statement 1 , x can be 23 in that case 6x/13 is not a integer
x can be 13 , in which case 6x/13 is a integer .
Not Sufficient

statement 2, As 3 is not a factor of 13 , x must be multiple of 13 .
Sufficient

Answer is B .
Re: Is 6x/13 an integer   [#permalink] 08 Mar 2017, 11:56
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Is 6x/13 an integer

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