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Is the number n an integer?

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Joined: 27 Feb 2012
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Kudos [?]: 26 [0], given: 5

Is the number n an integer? [#permalink]

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New post 27 Dec 2012, 23:07
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Is the number n an integer?

(1) N - 7 is an integer
(2) N/1/3 is an integer
[Reveal] Spoiler: OA

Kudos [?]: 26 [0], given: 5

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Status: Been a long time guys...
Joined: 03 Feb 2011
Posts: 1377

Kudos [?]: 1676 [0], given: 62

Location: United States (NY)
Concentration: Finance, Marketing
GPA: 3.75
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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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Kudos [?]: 1676 [0], given: 62

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Kudos [?]: 129047 [0], given: 12187

Re: Is the number n an integer? [#permalink]

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New post 28 Dec 2012, 05:11

Kudos [?]: 129047 [0], given: 12187

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Kudos [?]: 36 [0], given: 46

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GMAT 1: 690 Q47 V38
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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.

Kudos [?]: 36 [0], given: 46

Re: Is the number n an integer?   [#permalink] 19 Mar 2015, 21:04
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Is the number n an integer?

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