How many 3-digit even numbers can be formed by using the digits 5, 8, 3, 2, 1 without repetition?

Explanation

For an even number, the last digit must be 2 or 8, giving 2 choices.

After choosing the last digit:

- Hundreds place → 4 choices
- Tens place → 3 choices

Hence:

2 × 4 × 3 = 24