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In how many ways 4 kids can be divided into 2 team such that all contains 2 kids to each child.

Option: 1

20


Option: 2

3


Option: 3

15


Option: 4

6


Answers (1)

best_answer

The given information is:

Number of kids =4

Number of children =2

Number of kids to each team =2

Pick first 2 kids from 4 kids, 

Total no. of ways of choosing is:

\frac{4 !}{(4-2) ! 2 !}=\frac{4 !}{2 ! 2 !}=6

Pick last 2 kids from 2 kids .

Since the two teams are similar, there is no differentiation between them. Therefore, we need to divide it with 2 !=2 .

The total numbers of ways:

\frac{6}{2}=3

Posted by

Anam Khan

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