Question

You can remember the three numbers to your combination lock, but you can’t remember their order. How many different combinations of the three numbers will you have to try, at most?

Answer 1

6

Explanation:

1-2-3-x-x

1-3-2-x-x

2-1-3-x-x

2-3-1-x-x

3-1-2-x-x

3-2-1-x-x