# Lectures - 2.3 Counting Partitions: Combinations

Quiz 2.3 #1

How many ways can a committee of 3 be formed from 10 club members?

- A. 120
- B. 240
- C. 720

Quiz 2.3 #3

I have 5 dimes and 2 quarters in my pocket.

I reach in and pick 3 coins at random.

How many ways can the 3 coins be selected?

- A. 35
- B. 70
- C. 115

Quiz 2.3 #4

I have 6 regular and 4 diet coke in my cooler.

I pick 5 at random.

What’s the number of ways I pick at least 1 diet?

- A. 66
- B. 246
- C. 846