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# Is 2x a multiple of y?

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Manager
Joined: 02 Jun 2011
Posts: 159
Followers: 1

Kudos [?]: 12 [0], given: 11

Is 2x a multiple of y? [#permalink]  30 May 2012, 12:38
00:00

Difficulty:

45% (medium)

Question Stats:

34% (02:06) correct 65% (01:02) wrong based on 64 sessions
Is 2x a multiple of y?

(1) 2x+2 is a multiple of y
(2) y is a multiple of x
[Reveal] Spoiler: OA
Senior Manager
Joined: 30 Aug 2009
Posts: 293
Location: India
Concentration: General Management
Followers: 2

Kudos [?]: 78 [0], given: 5

Re: Is 2x a multiple of y? [#permalink]  31 May 2012, 00:24
kashishh wrote:
Is 2x a multiple of y?

(1) 2x+2 is a multiple of y
(2) y is a multiple of x

stmnt1:

If y= 1 x=2 then 2x+2 = 6 and multiple of y. 2x =4 and multiple of y
but if y=3 and x=2 then 2x+2=6 and multiple of y but 2x=4 and not a multiple of y. Hence insuff

stmnt 2:

y = 2 and x= 1 then 2x is multiple of y
y= 3 and x= 1 then 2x is not multiple of y. Hence insuff

taking together
x=1 and y =2 we have y is multiple of x, 2x+2 = 4 multiple of y and 2x= 2 is multiple of y (2) .
x=1 and y =4 we have y is multiple of x, 2x+2 = 4 multiple of y but 2x= 2 is not multiple of y (4)

Hence E
Re: Is 2x a multiple of y?   [#permalink] 31 May 2012, 00:24
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# Is 2x a multiple of y?

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