The following GMAT Problem Solving question tests your understanding of counting principles.

**Question 22**:

How many three-digit numbers have at least one $2$ and at least one $3$ ?

- $\quad 52$
- $\quad 54$
- $\quad 56$
- $\quad 58$
- $\quad 60$

**Video Explanation**

**Method 1**

**Method 2**