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# Fraction x/y such that x>0, y>0 and x,y are integers.

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Manager
Joined: 15 Jul 2008
Posts: 205
Fraction x/y such that x>0, y>0 and x,y are integers. [#permalink]

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17 Aug 2008, 15:54
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Fraction x/y such that x>0, y>0 and x,y are integers. What is the value of y?

1) Least common denominator of x/y and 1/3 is 6
2) x=1

OA is e

I have absolutely no clue how to get this right. I thought it was c.
Director
Joined: 12 Jul 2008
Posts: 513
Schools: Wharton

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17 Aug 2008, 16:01
bhushangiri wrote:
Fraction x/y such that x>0, y>0 and x,y are integers. What is the value of y?

1) Least common denominator of x/y and 1/3 is 6
2) x=1

OA is e

I have absolutely no clue how to get this right. I thought it was c.

In general, please don't post OA in the original post

(1) Insufficient
y could be 2 or any multiple of 6. For example 6/12, 10/12, 3/18, etc.

(2) Insufficient

(1) and (2) Insufficient
If x = 1, y could be 2 or 6 (i.e., x/y = 1/2 or 1/6).
Manager
Joined: 15 Jul 2008
Posts: 205

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17 Aug 2008, 16:29
zoinnk wrote:
bhushangiri wrote:
Fraction x/y such that x>0, y>0 and x,y are integers. What is the value of y?

1) Least common denominator of x/y and 1/3 is 6
2) x=1

OA is e

I have absolutely no clue how to get this right. I thought it was c.

In general, please don't post OA in the original post

(1) Insufficient
y could be 2 or any multiple of 6. For example 6/12, 10/12, 3/18, etc.

(2) Insufficient

(1) and (2) Insufficient
If x = 1, y could be 2 or 6 (i.e., x/y = 1/2 or 1/6).

Thanks i had confused the least common denominator with both LCM and HCF..
Re: DS problem   [#permalink] 17 Aug 2008, 16:29
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