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2 men and 3 women line up in a row. If men stand on the first and the

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Math Revolution GMAT Instructor
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2 men and 3 women line up in a row. If men stand on the first and the [#permalink]

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New post 15 Oct 2017, 06:12
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E

Difficulty:

  25% (medium)

Question Stats:

62% (00:21) correct 38% (00:25) wrong based on 50 sessions

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2 men and 3 women line up in a row. If men stand on the first and the last, how many possible cases are there?

A. 6
B. 7
C. 8
D. 10
E. 12
[Reveal] Spoiler: OA

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Kudos [?]: 6082 [0], given: 121

Re: 2 men and 3 women line up in a row. If men stand on the first and the [#permalink]

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New post 15 Oct 2017, 06:16
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MathRevolution wrote:
2 men and 3 women line up in a row. If men stand on the first and the last, how many possible cases are there?

A. 6
B. 7
C. 8
D. 10
E. 12



Work one by one on men and then women
MEN - 2 and two available positions, so 2! ways
women - 3 and thre avail positions, so 3! ways

answer \(2!*3!=2*6=12\)
E
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Kudos [?]: 6082 [0], given: 121

Re: 2 men and 3 women line up in a row. If men stand on the first and the   [#permalink] 15 Oct 2017, 06:16
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