I’ve forgotten my PIN. Six incorrect attempts locks my account: I’ve used five! Two digits are displayed after each unsuccessful attempt: '2, 0' means 2 digits from that guess are... I’ve forgotten my PIN. Six incorrect attempts locks my account: I’ve used five! Two digits are displayed after each unsuccessful attempt: '2, 0' means 2 digits from that guess are in the PIN, but 0 are in the right place.
Understand the Problem
The question is asking for help in deducing the correct PIN number based on previous incorrect attempts and the provided feedback. Specifically, it involves figuring out which digits are part of the PIN and their positions based on the feedback after each guess.
Answer
The correct PIN can't be determined with existing information.
Without more details on the unsuccessful attempts, determining the exact correct PIN is not possible from the given information alone. The '2, 0' clue indicates two correct digits in the wrong places from a specific guess.
Answer for screen readers
Without more details on the unsuccessful attempts, determining the exact correct PIN is not possible from the given information alone. The '2, 0' clue indicates two correct digits in the wrong places from a specific guess.
More Information
The feedback '2, 0' implies that two of the guessed digits are in the correct overall set of the PIN but are not in the correct order within the PIN. This is common in puzzle problems involving logic and deduction.
Tips
People often assume that digits appearing in unsuccessful attempts are incorrect, or they ignore positional feedback entirely.
Sources
- I've forgotten my PIN. Six incorrect attempts locks my account - Gauth - gauthmath.com
- 25 Fun Maths Problems For KS2 & KS3 (From Easy to Very Hard!) - thirdspacelearning.com
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