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Is x divisible by 14?

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Senior Manager
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Joined: 17 Oct 2016
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Location: India
Concentration: General Management, Healthcare
GMAT 1: 640 Q40 V38
GMAT 2: 680 Q48 V35
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WE: Pharmaceuticals (Health Care)
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Is x divisible by 14?  [#permalink]

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New post 28 Nov 2018, 09:49
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

88% (01:04) correct 12% (01:13) wrong based on 33 sessions

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Is x divisible by 14?

A. x/4 is a positive integer

B. x/6 is a positive integer

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Chasing the dragon
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Re: Is x divisible by 14?  [#permalink]

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New post 01 Dec 2018, 02:09
1
What is the question source?

Statement 1
4/4 =1, a positive integer
4 is not divisible by 14
28/4=7, a positive integer
28/14=2, a positive integer
BCE

Statement 1
6/6=1, a positive integer
6 is not divisible by 14
42/6=7, a positive integer
42/14=3, a positive integer

C, E

24/4 or 24/6
24 is not divisible by 14

Using prime factors
4=\(2^2\)
6=\(2^1·3^1\)
14=\(2^1·7^1\)

\(2^2·3^1·7^1\)=84
84 is divisible by 4, 6, 14

E
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Re: Is x divisible by 14?   [#permalink] 01 Dec 2018, 02:09
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Is x divisible by 14?

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