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The number of ways to form a committee of two when selecting from five
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07 Oct 2021, 09:28
07 Oct 2021, 09:28
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Question Stats:
88% (00:24) correct
11% (00:21) wrong based on 27 sessions
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Quantity A |
Quantity B |
The number of ways to form a committee of two when selecting from five people |
The number of ways to form a committee of three when selecting from five people |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
The number of ways to form a committee of two when selecting from five
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07 Oct 2021, 13:41
07 Oct 2021, 13:41
1
Carcass wrote:
Quantity A |
Quantity B |
The number of ways to form a committee of two when selecting from five people |
The number of ways to form a committee of three when selecting from five people |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
The number of ways to form a committee of two when selecting from five people = \(5C_2\)
The number of ways to form a committee of three when selecting from five people = \(5C_3\)
and \(5C_2 = 5C_3\) because \(nC_r = nC_(n-r)\)
Answer is C)
gmatclubot
The number of ways to form a committee of two when selecting from five [#permalink]
07 Oct 2021, 13:41
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