How many ways can Otto pick 3 people for his foursome out of : Quant Question Archive [LOCKED]
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# How many ways can Otto pick 3 people for his foursome out of

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Director
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How many ways can Otto pick 3 people for his foursome out of [#permalink]

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02 Jan 2004, 10:18
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

How many ways can Otto pick 3 people for his foursome out of a pool of 30 friends?

1) 128
2) 678
3) 789
4) 4060
5) 8320

edited choice 4 (oops!)

Last edited by Titleist on 02 Jan 2004, 11:38, edited 2 times in total.
Senior Manager
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02 Jan 2004, 10:55
I am assuming that 3 people out of 30. Is that right ? But the answer I am getting is not listed in your choice.
Director
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02 Jan 2004, 11:05
Geethu wrote:
I am assuming that 3 people out of 30. Is that right ? But the answer I am getting is not listed in your choice.

slight error - thanks geethu!
Senior Manager
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02 Jan 2004, 11:33
assuming 4 as 4060.
Director
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02 Jan 2004, 11:38
Yes - right again Geethu!

Director
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02 Jan 2004, 11:40
30 choose 3.

I hope I won't have to bang out that kind of math on the exam...

Did you know if you type (without the quotes) "30 choose 3" into google, that it solves the problem for you?

Neat.
Director
Joined: 14 Oct 2003
Posts: 587
Location: On Vacation at My Crawford, Texas Ranch
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Kudos [?]: 49 [0], given: 0

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02 Jan 2004, 11:44
Wasn't expecting you guys to solve the problem - but who am I kidding - you guys are the combinatorics aces on this board.

02 Jan 2004, 11:44
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