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# In the fraction x/y, where x and y are positive integers,

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Director
Joined: 01 May 2007
Posts: 794
Followers: 1

Kudos [?]: 121 [1] , given: 0

In the fraction x/y, where x and y are positive integers, [#permalink]  30 Dec 2007, 09:24
1
KUDOS
00:00

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Question Stats:

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In the fraction x/y, where x and y are positive integers, what is the value of y?

1) The least common denominator of x/y and 1/3 is 6.

2) x = 1

SOLVE!
CEO
Joined: 17 Nov 2007
Posts: 3578
Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40
Followers: 407

Kudos [?]: 2143 [1] , given: 359

1
KUDOS
Expert's post
E

y=1/2 and y=1/6 both satisfy conditions 1 and 2.
Director
Joined: 01 May 2007
Posts: 794
Followers: 1

Kudos [?]: 121 [0], given: 0

Can you please explain statement 1. I'm a idiot today.
CEO
Joined: 17 Nov 2007
Posts: 3578
Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40
Followers: 407

Kudos [?]: 2143 [0], given: 359

Re: [#permalink]  01 Jan 2008, 14:05
Expert's post
jimmyjamesdonkey wrote:
Can you please explain statement 1. I'm a idiot today.

The least common denominator of x/y and 1/3 is 6.

Other words LCM(y,3)=6=3*2. So, y=2 or y=2*3=6.
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Director
Joined: 09 Aug 2006
Posts: 766
Followers: 1

Kudos [?]: 69 [1] , given: 0

Re: DS: Properties of Numbers [#permalink]  03 Jan 2008, 03:17
1
KUDOS
[quote="jimmyjamesdonkey"]In the fraction x/y, where x and y are positive integers, what is the value of y?

1) The least common denominator of x/y and 1/3 is 6.

2) x = 1

SOLVE![/quote]

E.

Stat 1:
y can be 2 or y can be 6. Insuff.

Stat 2:
Tells us nothing about y. Insuff

Together:
x/y can be 1/2 or x/y can be 1/6. Insuff.
Re: DS: Properties of Numbers   [#permalink] 03 Jan 2008, 03:17
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