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there are 5 jobs of type CEO,GM,AGM, senior faculty and

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Intern
Intern
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Joined: 29 Mar 2013
Posts: 13

Kudos [?]: 36 [0], given: 12

there are 5 jobs of type CEO,GM,AGM, senior faculty and [#permalink]

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New post 22 Apr 2013, 10:00
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Difficulty:

  45% (medium)

Question Stats:

36% (00:20) correct 64% (00:59) wrong based on 14 sessions

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There are five jobs of type ceo,gm,agm,senior faculty and junior faculty & five deserving candidates are coming for interviews. find the no of ways in which all appointments given to wrong candidates. How many ways in which all appointment given to wrong candidates.

A 44
B 45
C 24
D 49
E 50
[Reveal] Spoiler: OA

Kudos [?]: 36 [0], given: 12

Expert Post
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 41699

Kudos [?]: 124811 [0], given: 12079

Re: there are 5 jobs of type CEO,GM,AGM, senior faculty and [#permalink]

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New post 22 Apr 2013, 10:05
iwantto wrote:
There are five jobs of type ceo,gm,agm,senior faculty and junior faculty & five deserving candidates are coming for interviews. find the no of ways in which all appointments given to wrong candidates. How many ways in which all appointment given to wrong candidates.

A 44
B 45
C 24
D 49
E 50


Poor quality question.

Problem testing the same concept: tanya-prepared-4-different-letters-to-4-different-addresses-88626.html
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Kudos [?]: 124811 [0], given: 12079

Manager
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Joined: 31 May 2011
Posts: 200

Kudos [?]: 2 [0], given: 4

GMAT ToolKit User
Re: there are 5 jobs of type CEO,GM,AGM, senior faculty and [#permalink]

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New post 24 Apr 2013, 00:29
Coul you explain me the way to get the final result.

My approach
Total ways to get 1 correct: 5C1*3*2*1 = 30
Total ways to get 2 correct: 5C2*2*1 = 20
Total ways to get 3 correct: 5C3*1*1 = 10
Total ways to get 4 correct: 0
Total ways to get 5 coeect: 1

Total ways to choose 5!= 120

then the total way to have 0 correct is 120 - 61 = 59
Coul anyone explain for me is there any problem in my approach ?

Kudos [?]: 2 [0], given: 4

Re: there are 5 jobs of type CEO,GM,AGM, senior faculty and   [#permalink] 24 Apr 2013, 00:29
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there are 5 jobs of type CEO,GM,AGM, senior faculty and

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