Permutations and Combinations Assignment

Front

What is a permutation?

Back

A permutation is an arrangement of objects in a specific order. The order matters.

Front

What is a combination?

Back

A combination is a selection of objects where the order does not matter.

Front

How many ways can you arrange the letters in the word 'math'?

Back

24

Front

How many different ways can first, second, and third prize be awarded among 6 organizations?

Back

120

Front

You have 4 framed portraits. How many ways can you arrange all 4 of them on a shelf?

Back

Permutation

Front

How many ways can a stylist arrange 5 of 8 vases from left to right?

Back

6720

Front

Which of the following is an example of a combination? Choose 4 students in a class committee.

Back

Correct answer: Choose 4 students in a class committee.

Front

What is the formula for permutations of n objects taken r at a time?

Back

The formula is P(n, r) = n! / (n - r)!.

Front

What is the formula for combinations of n objects taken r at a time?

Back

The formula is C(n, r) = n! / [r!(n - r)!].

Front

If you have 5 books and want to arrange them on a shelf, how many arrangements are possible?

Back

120 arrangements (5!).