Question

Which question below is a permutation?

a How many different teams of four runners can a coach choose from a group of seven runners?

b You and three friends want to line up next to one another for a picture. How many ways can the picture be taken?

c You want to choose three pairs of shorts from five to go on vacation. How many groups of three pairs of shorts can you choose?

d How many groups of five movies can be chosen from 11?

Answer 1

You and three friends want to line up next to one another for a picture. How many ways can the picture be taken?

Explanation:

B is a permutation because A, C, and D all ask for different groups, which means that they are combinations.

Answer 2

My best ansewer would be B but there may be a better one.