How many ways can you choose 2 items from a set of 5?
Practice Questions
Q1
How many ways can you choose 2 items from a set of 5?
5
10
20
15
Questions & Step-by-Step Solutions
How many ways can you choose 2 items from a set of 5?
Combinatorics – The study of counting, arrangements, and combinations of objects.
Binomial Coefficient – The formula C(n, k) = n! / (k!(n-k)!) used to determine the number of ways to choose k items from n items without regard to the order of selection.