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Is the positive integer n multiple of 24? 1) n is multiple

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Madelaine88
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Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   28 Feb 2011, 12:29
Is the positive integer n multiple of 24?
1) n is multiple of 4
2) n is multiple of 6



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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   28 Feb 2011, 12:40
Madelaine88 wrote:
Is the positive integer n multiple of 24?
1) n is multiple of 4
2) n is multiple of 6

1st insufficient and 2nd is also insufficient, moreover multiple of both may be 12 that's why both together are insufficient. Answer (E)
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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   28 Feb 2011, 14:08
E . can be 12,24,36....
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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   01 Mar 2011, 14:59
Answer is C

Together (1) and (2) is a multiple of 24.
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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   01 Mar 2011, 15:49
answer is E,

C is wrong because: you can have the number 12 (that is a multiple of both 4 and 6) and 24 , you can get two answers,, hence wrong. Hope this helps
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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   02 Mar 2011, 00:02
Its E. n can be 12 and 24. So n can be a multiple of both 4 and 6 and still not be a multiple of 24.
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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink] New post   04 Mar 2011, 15:37
E here, not enough information! 12,24



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Re: Is the positive integer n multiple of 24? 1) n is multiple [#permalink]
04 Mar 2011, 15:37
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