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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?
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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 Sbensu
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1 Answer

5 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 Marlon Assef
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