# Lectures - 2.2 Counting Arrangements: Permutations

Quiz 2.2 #1

How many 3-letter permutations can be formed with the set:

{A, B, C, D, E}?

[Try using both the formula and slots]

- A. 20
- B. 60
- C. 120

Quiz 2.2 #2

How many 6 letter arrangements can be formed from the word “effect”?

- A. 30
- B. 60
- C. 180

Factorial Tutorial