Permutations and Combinations

Permutation, combination, or neither?

There are 110 people at a meeting. They each shake

hands with everyone else. How many handshakes were there?

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

Rob and Mary are planning trips to nine countries this

year. There are 13 countries they would like to visit and

are deciding which countries to skip.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

A team of 17 softball players needs to choose three players to refill the water cooler.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

A group of 25 people are going to run a race. The top 8 finishers advance to the finals.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

5 out of 13 students need to ride in a car instead of a van.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

Selecting which players will play on an 11 person team.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

A team of 15 basketball players needs to choose a captain and a co-captain

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

The batting order for seven players on a 12 person team.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

You are setting a combination on a three-digit lock using

the numbers 0-9.

• Permutation

• Combination

• Neither

Permutation, combination, or neither?

The student body of ten students wants to elect a

president, vice president, secretary, and treasurer.

• Permutation

• Combination

• Neither