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A committee of 5 people is to be selected from 8 people. How many diff

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A committee of 5 people is to be selected from 8 people. How many diff  [#permalink]

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New post 11 Jun 2016, 10:27
1
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

92% (00:47) correct 8% (01:01) wrong based on 82 sessions

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A committee of 5 people is to be selected from 8 people. How many different committees are possible?

A. 28
B. 40
C. 56
D.168
E. 336
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Re: A committee of 5 people is to be selected from 8 people. How many diff  [#permalink]

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New post 11 Jun 2016, 10:31
Because the order does not matter in selecting 5 people for the committee, this is a combination question.

The number of ways to select 5 people from 8 = 8C5 = 8!/5!*3! = 56. Hence C.
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Re: A committee of 5 people is to be selected from 8 people. How many diff   [#permalink] 11 Jun 2016, 10:31
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