Question

Permutation/combination In how many ways can five people line up to get on a bus? (Hint: all 5 people are lining up)

Answer 1

We have to calculate in how many ways can five people line up to get on a bus.

This is a permutation of 5 in 5 without repetition, so it can be calculated as:

`P(5,5)=5!=120`

Answer: in 120 ways.