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# If y is the smallest positive integer such that 3,150

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Director
Joined: 29 Aug 2005
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If y is the smallest positive integer such that 3,150 [#permalink]

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23 Nov 2008, 07:21
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then
y must be
A. 2
B. 5
C. 6
D. 7
E. 14
Director
Joined: 29 Aug 2005
Posts: 877
Followers: 9

Kudos [?]: 362 [0], given: 7

Re: GMAT Set 27 - 30 [#permalink]

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23 Nov 2008, 09:33
DavidArchuleta wrote:
3150= 25 . 9. 14

David, how did you arrive to the answer? To be honest, i dont get the question .
Manager
Joined: 05 Jul 2008
Posts: 139
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GMAT 2: 740 Q51 V38
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Kudos [?]: 104 [1] , given: 40

Re: GMAT Set 27 - 30 [#permalink]

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24 Nov 2008, 09:07
1
KUDOS
botirvoy wrote:
DavidArchuleta wrote:
3150= 25 . 9. 14

David, how did you arrive to the answer? To be honest, i dont get the question .

Oh my gosh, ROFL..
I really love that.
You call me David haha. I'm a girl, David Archuleta is my fav singer.
Anyway, the question ask you the smallest number that if you multiple that number with 3150, the result is is the square of an integer.
3150= 5^2. 3^2. 14=15^2 . 14
So you must multiple 14 to get:
14. y = 15^2 . 14^2=(15.14)^2
Director
Joined: 29 Aug 2005
Posts: 877
Followers: 9

Kudos [?]: 362 [0], given: 7

Re: GMAT Set 27 - 30 [#permalink]

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30 Nov 2008, 10:30
DavidArchuleta wrote:
botirvoy wrote:
DavidArchuleta wrote:
3150= 25 . 9. 14

David, how did you arrive to the answer? To be honest, i dont get the question .

Oh my gosh, ROFL..
I really love that.
You call me David haha. I'm a girl, David Archuleta is my fav singer.
Anyway, the question ask you the smallest number that if you multiple that number with 3150, the result is is the square of an integer.
3150= 5^2. 3^2. 14=15^2 . 14
So you must multiple 14 to get:
14. y = 15^2 . 14^2=(15.14)^2

In this side of the ocean we (act, I) have got no clue about David Archuleta! Sings well though.
Thanks for explaining the q.
Re: GMAT Set 27 - 30   [#permalink] 30 Nov 2008, 10:30
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