Question

There are 22 runners. A relay team has 4 runners. How many different relay teams can be formed?Select one:a.66,045b.1,585,080c.7315d.175,560

Answer 1

Solution

We are going to use combination to solve

The number of ways to choose a sample of r elements from a set of n distinct objects where order does not matter and replacements are not allowed.

The final answer

Option C