Question: There are 8 different locks, with exactly one key for each lock. All the keys have been mixed up. What is the maximum number of

There are 8 different locks, with exactly one key for each lock. All the keys have been mixed up. What is the maximum number of trials required in order to determine which key belongs to which lock?

(a) 44

(b) 28

(c) 24

(d) 32

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