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A manager is forming a 6-person team to work on a certain pr

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GRE Prep Club Legend
GRE Prep Club Legend
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Joined: 07 Jun 2014
Posts: 4809
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 123

Kudos [?]: 1971 [0], given: 397

A manager is forming a 6-person team to work on a certain pr [#permalink] New post 27 Dec 2015, 15:06
Expert's post
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Question Stats:

95% (00:43) correct 4% (00:00) wrong based on 24 sessions
A manager is forming a 6-person team to work on a certain project. From the 11 candidates available for the team, the manager has already chosen 3 to be on the team. In selecting the other 3 team members, how many different combinations of 3 of the remaining candidates does the manager have to choose from?

A 6
B 24
C 56
D 120
E 462



Practice Questions
Question: 7
Page: 157
Difficulty: hard
[Reveal] Spoiler: OA

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Sandy
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GRE Prep Club Legend
GRE Prep Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4809
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 123

Kudos [?]: 1971 [0], given: 397

Re: manager is forming a 6-person team to work [#permalink] New post 27 Dec 2015, 15:53
Expert's post
We have about 11 people from which a 6 man team is to be selected. Now three members are already selected from 11, so there are 3 places left on the team.
So we need to select 3 members from 8.

Number of ways we can form the team = \(\frac{8!}{(3! * 5!)}\) = 56.

Hence the answer is 56.
_________________

Sandy
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Re: manager is forming a 6-person team to work   [#permalink] 27 Dec 2015, 15:53
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A manager is forming a 6-person team to work on a certain pr

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