102,084 views
3 votes
3 votes
A safe has 10,000 possible lock combinations. If a thief tried 80 combinations the first hour, then 40 every hour after, how many hours would it take before trying them all?

User Svinja
by
2.5k points

1 Answer

14 votes
14 votes

It takes 249hrs before trying them all.

A safe has 10,000 possible lock combinations. If a thief tried 80 combinations the-example-1
User Ababak
by
2.7k points