Logical Riddle: How Many Attempts Would Be Needed To Determine The Exact Keys

Use your logical skills to solve this riddle and leave your answers in the comment section below.


There are three keys to the three doors with different locks on them.

How many attempts would be needed to determine the exact keys for all the doors under all circumstances?


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One Reply to “Logical Riddle: How Many Attempts Would Be Needed To Determine The Exact Keys”

  1. It’s possible in 3 tries. I try key A at the doors 1 and 2 – if it’s wrong on both, i’ll know that it fits door 3. Then i try key B at one of the doors. No matter if it opens the door or not, I know the right allocation.

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