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Out of a group of 8 students, 3 are attending a meeting.

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Out of a group of 8 students, 3 are attending a meeting. [#permalink] New post   20 Mar 2019, 23:11
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Out of a group of 8 students, 3 are attending a meeting.

Quantity A
Quantity B
The number of different groups of students from the group of 8 who could attend
336


Quantity A is greater.
Quantity B is greater.
The two quantities are equal.
The relationship cannot be determined from the information given.
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B
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Re: Out of a group of 8 students, 3 are attending a meeting. [#permalink] New post   21 Mar 2019, 21:45
1
This is a combination problem.

the number of groups of 3 from 8 can be chosen in 8c3 ways which equals 56
option B is hence greater.
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Re: Out of a group of 8 students, 3 are attending a meeting. [#permalink]
21 Mar 2019, 21:45
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