A detective faced a lock that seemed unbreakable. The only clue was a series of numbers engraved on it. What should he consider?

Category: Mystery · Difficulty: hard

Hint: Consider what locks typically require to open.

Answer

The numbers may be a combination.

Explanation

The engraved numbers likely serve as a combination to unlock the mechanism.

This is a hard mystery riddle — a tricky one that takes a little thought. The answer is The numbers may be a combination..

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