Combinations: a club consits of five boys and five girls....

[jessieputono]

The school gardening club consits of five boys and five girls. How many working groups of four people can be formed with:

a) no restrictions?
b) three boys and a girl?
c) two boys and two girls?

 

[pka]

a) \(\displaystyle \L {10 \choose 4}\)
b) \(\displaystyle \L {5 \choose 3} {5 \choose 1}\)
c) ??????? YOU DO THIS ONE!!