There are three keys that open locks riddle

There are three keys that open locks of three different gates. In how many attempts you can figure out the key for each gate?

There are three keys that open locks

There are three keys that open locks of three different gates.

In how many attempts you can figure out the key for each gate?

Six attempts.

First key : 3 attempts for 3 gates.
Second key : 2 attempts for remaining two gates.
Third key : 1 attempts for the last gate.