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An admission office director has 7 times available for interviews

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Intern
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S
Joined: 26 Feb 2017
Posts: 28

Kudos [?]: 45 [1], given: 41

Location: Brazil
GMAT 1: 610 Q45 V28
GPA: 3.11
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An admission office director has 7 times available for interviews [#permalink]

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New post 25 Oct 2017, 15:38
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A
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C
D
E

Difficulty:

  55% (hard)

Question Stats:

35% (00:51) correct 65% (00:35) wrong based on 57 sessions

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An admission office director has 7 times available for interviews at afternoon. There are 12 students disputing the vacancies. In how many different ways can the director set up his / her program (answering the candidates individually)?

(A) 12!/5!7!
(B) 12!/7!
(C) 12!/5!
(D) 12!
(E) 12^7
[Reveal] Spoiler: OA

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Joined: 15 Feb 2017
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An admission office director has 7 times available for interviews [#permalink]

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New post 25 Oct 2017, 16:43
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IMO Option C
The order of the interviews matters.
We have to take permutation.
So the answer is 12 \(P_7\)
Give me kudos . I need them badly to unlock gmatclub tests.

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Intern
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S
Joined: 02 Sep 2015
Posts: 37

Kudos [?]: 29 [0], given: 21

Location: India
Concentration: General Management, Entrepreneurship
Schools: Sauder 'Dec 18
GPA: 3.79
WE: General Management (Energy and Utilities)
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Re: An admission office director has 7 times available for interviews [#permalink]

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New post 28 Oct 2017, 07:01
As the order matters, it is 12P7 = 12!/(12-7)!= 12!/5!. Answer C

Kudos [?]: 29 [0], given: 21

Re: An admission office director has 7 times available for interviews   [#permalink] 28 Oct 2017, 07:01
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An admission office director has 7 times available for interviews

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