Combinations without repetition
Find out how many different ways you can choose
k items from
n items set. With/without repetition, with/without order.
Calculation:
Ck(n)=(kn)=k!(n−k)!n! n=11 k=3 C3(11)=(311)=3!(11−3)!11!=3⋅2⋅111⋅10⋅9=165
Number of combinations: 165