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# Is 30 a factor of n? --------------------------------- 1) 30

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Senior Manager
Joined: 19 May 2004
Posts: 291
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Kudos [?]: 8 [0], given: 0

Is 30 a factor of n? --------------------------------- 1) 30 [#permalink]  10 Nov 2004, 06:18
Is 30 a factor of n?
---------------------------------
1) 30 is a factor of n^2

2) 30 is a factor of 2n
GMAT Club Legend
Joined: 15 Dec 2003
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Kudos [?]: 217 [0], given: 0

I'd say C
1) sqrt 30 or 30^2 will yield different answers. insuff.
2) 15 or 30 will yield diff. answers. insuff
Both combined we know that n must have a factor of 2,3 and 5.
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Paul

Senior Manager
Joined: 19 May 2004
Posts: 291
Followers: 1

Kudos [?]: 8 [0], given: 0

C is correct.

Although the factor of "2" is not so trivial to find.
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