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# If x is an integer and y=4x+3, which of the following cannot be a divi

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Intern
Joined: 17 Jan 2016
Posts: 20

Kudos [?]: 6 [0], given: 14

Location: Russian Federation
GMAT 1: 730 Q50 V38
GMAT 2: 750 Q49 V44
GPA: 3.3
If x is an integer and y=4x+3, which of the following cannot be a divi [#permalink]

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09 Apr 2016, 08:07
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15% (low)

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86% (01:11) correct 14% (01:20) wrong based on 35 sessions

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If x is an integer and $$y=4x+3$$, which of the following cannot be a divisor of y?
(A) 5
(B) 6
(C) 7
(D) 9
(E) 23
[Reveal] Spoiler: OA

Kudos [?]: 6 [0], given: 14

Intern
Joined: 17 Jan 2016
Posts: 20

Kudos [?]: 6 [0], given: 14

Location: Russian Federation
GMAT 1: 730 Q50 V38
GMAT 2: 750 Q49 V44
GPA: 3.3
If x is an integer and y=4x+3, which of the following cannot be a divi [#permalink]

### Show Tags

09 Apr 2016, 08:10
I understand that in this particular case y is always odd, so the only even divisor is obviously an answer, but is there a way how to check that any given number is a divisor of some other number $$y = qx+r$$?

Kudos [?]: 6 [0], given: 14

If x is an integer and y=4x+3, which of the following cannot be a divi   [#permalink] 09 Apr 2016, 08:10
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# If x is an integer and y=4x+3, which of the following cannot be a divi

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