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Is 6x/13 an integer

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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:

90% (00:45) correct 10% (01:08) wrong based on 33 sessions

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Is 6x/13 an integer?

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

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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 .
GMAT Club Bot
Re: Is 6x/13 an integer &nbs [#permalink] 08 Mar 2017, 11:56
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