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You have two positive integers x1 and x2. When x1 is divided

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You have two positive integers x1 and x2. When x1 is divided [#permalink] New post 07 Jul 2003, 05:28
You have two positive integers x1 and x2. When x1 is divided by 3, the remainder is 1, and when x2 is divided by 12, the remainder is 4. Let y = 2*x1 + x2. What can you conclude about y?

I. y is even
II. y is odd
III. y is divisible by 3

(A) I only
(B) II only
(C) III only
(D) I and III only
(E) II and III only
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AkamaiBrah
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MFE, Haas School of Business, UC Berkeley, Class of 2005
MBA, Anderson School of Management, UCLA, Class of 1993

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 [#permalink] New post 07 Jul 2003, 06:10
That is correct. Can you explain your solution is a clear manner?
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AkamaiBrah
Former Senior Instructor, Manhattan GMAT and VeritasPrep
Vice President, Midtown NYC Investment Bank, Structured Finance IT
MFE, Haas School of Business, UC Berkeley, Class of 2005
MBA, Anderson School of Management, UCLA, Class of 1993

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 [#permalink] New post 07 Jul 2003, 06:40
X1=3K+1
X2=12N+4

Y=2*X1+X2=6K+12N+6

the number is even and divisible by 3. This is for sure.
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 [#permalink] New post 07 Jul 2003, 06:58
stolyar wrote:
X1=3K+1
X2=12N+4

Y=2*X1+X2=6K+12N+6

the number is even and divisible by 3. This is for sure.


Elegant
The master in form

bhavesh
  [#permalink] 07 Jul 2003, 06:58
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You have two positive integers x1 and x2. When x1 is divided

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