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Mathematics-Online problems:

Interactive Problem 344: Grouping of eight Persons

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A sports team consisting of 4 girls and 4 boys, is asked to form groups of two kids.

Lara     Marc
OLGA     Axel
Vera     TIMO
Elke     Hans


How many possibilities exist, if

a) there are only girls or only boys in each group,
b) each group has one girl and one boy,
c) there is no condition at all?


Answer:

a)    
b)    
c)

   


   

(From: Mathematics Contest 2009)
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  automatically generated: 2/ 6/2018