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Is the number n an integer?

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Is the number n an integer?  [#permalink]

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New post 27 Dec 2012, 23:07
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Question Stats:

71% (00:35) correct 29% (00:40) wrong based on 117 sessions

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Is the number n an integer?

(1) N - 7 is an integer
(2) N/1/3 is an integer
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Re: Is the number n an integer?  [#permalink]

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New post 28 Dec 2012, 00:20
jsphcal wrote:
Is the number n an integer?

(1)

N - 7 is an integer

(2)

N
1
3 is an integer


Statement 1) N-7 is an integer. Since 7 is also an integer hence N must also be an integer. Sufficient
Statement 2) It can be written as 3N is an integer. N can be a a fraction such as 1/3, then also 3N will be an inetger or N can be an integer even then 3N will be an integer. Two cases, hence insufficient.
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Re: Is the number n an integer?  [#permalink]

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New post 28 Dec 2012, 05:11
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Re: Is the number n an integer?  [#permalink]

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New post 19 Mar 2015, 21:04
The first statement states clearly that it is the sufficient fo the statement to be true. 2nd statement is not enough.
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Re: Is the number n an integer?  [#permalink]

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New post 25 Jul 2018, 14:52
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Is the number n an integer? &nbs [#permalink] 25 Jul 2018, 14:52
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