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Is 2x a multiple of y ? 1. 2x+2 is a multiple of y 2. y is a

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Senior Manager
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Is 2x a multiple of y ? 1. 2x+2 is a multiple of y 2. y is a [#permalink] New post 24 Aug 2004, 09:40
00:00
A
B
C
D
E

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(N/A)

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Is 2x a multiple of y ?

1. 2x+2 is a multiple of y
2. y is a multiple of x

Please explain.
Senior Manager
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 [#permalink] New post 24 Aug 2004, 14:11
Def not A.

consider x = 4, and y = 2 , 5

Def not B

consider x = 10, and y = 20, 30

putting together doesn't appear to help.

if X = 2, and Y = 2 it works.
If x = 1, and Y = 3, doesn't work.

E
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Re: DS [#permalink] New post 24 Aug 2004, 22:33
It is E I believe.

Let x =2 and y = 6 so that 1 holds true. But, 2x is not a multiple of y.

Let y=6 and x = 2 so that 2 holds true. But, 2x is not a multiple of y.

Because we have taken the same numbers in both (1) & (2), even C is not the answer. Thus, it has to be E.




Geethu wrote:
Is 2x a multiple of y ?

1. 2x+2 is a multiple of y
2. y is a multiple of x

Please explain.

_________________

Awaiting response,

Thnx & Rgds,
Chandra

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 [#permalink] New post 25 Aug 2004, 00:57
I thought it is C.

Statement 1 : Y is divisible by 2.
Statement 1 : Y is divisible by x.

Both: Y is divisible by 2x.
Senior Manager
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 [#permalink] New post 25 Aug 2004, 08:12
Yup, my mistake.

1) 2X+2 = kY

2) Y=jX


Both: 2X+2 = kjX
Insufficient.
E.
  [#permalink] 25 Aug 2004, 08:12
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