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3 years ago

6

The following 5 keys are for the following 5 locked padlocks. Each key opens one and only one padlock. Different keys open diffe

rent padlocks. What is the least number of trials needed to guarantee that you will open all 5 padlocks?

1 answer:

Scilla [17]3 years ago

7 0

${5}^{5}$

is the answer.

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