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# Is X a perfect cube? (1) X is odd. (2) The number of factors

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Manager
Joined: 14 May 2009
Posts: 191

Kudos [?]: 48 [0], given: 1

Is X a perfect cube? (1) X is odd. (2) The number of factors [#permalink]

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02 Jun 2009, 22:47
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Is $$X$$ a perfect cube?

(1) $$X$$ is odd.

(2) The number of factors of $$X$$ is a multiple of 4.
_________________

Kudos [?]: 48 [0], given: 1

Senior Manager
Joined: 15 Jan 2008
Posts: 281

Kudos [?]: 47 [0], given: 3

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03 Jun 2009, 01:02
E shud be the ansewr..

1. insufficient .. gives no information..

2. insufficient.. 8 has 4 factors (8,4,2,1)and 6 has 4 factors (6,3,2,1)..

combined also, insufficient..

27 has four factors ( 27,9,3,1), 15 has 4 factors ( 15,5,3,1)..

Kudos [?]: 47 [0], given: 3

Re: Tough DS 3   [#permalink] 03 Jun 2009, 01:02
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