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13 Apr 2008, 08:13
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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In a game of 4 people, how many different 2 versus 2 groups can be formed?
2
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6
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13 Apr 2008, 10:12
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There is 3 ways you can choose 2 people from a group of 4. After this choice is made you have two people left (therefore the other team is already chosen)
so there is 3 ways in which you can choose 2vs2 teams out of 4 people.
The long way:
Given A,B,C,D
AB Vs CD
AC Vs BD
AD Vs BC
there is no other way you can choose the teams
so there is 3 ways in which you can choose 2vs2 teams out of 4 people.
The long way:
Given A,B,C,D
AB Vs CD
AC Vs BD
AD Vs BC
there is no other way you can choose the teams
13 Apr 2008, 10:43
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buffdaddy
How would you do a more difficult problem such as:
In a group of 8 people, how many different 4 versus 4 teams could you form? thx
Can someone tell my why 4C2 * 2C2 = 6, is not the correct answer?
) we have to divide this number by 5 (the number of teams with either player X or Y)
