Questions tagged [mastermind]

This tag is for questions about the board game Mastermind.

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67
votes
9answers
485k views

Crack the lock code

Does any one know how to crack this? I got this as a challenge.
30
votes
7answers
135k views

Clever ways to solve Mastermind?

Is there any specific way to solve Mastermind? Apart from the first step that is pure chance, is there any way to continue based on the colors that you think are correct?
18
votes
6answers
4k views

Guess five binary digits!

Person A thinks of a 5 digit binary number. Person B tries to guess the number. B can guess a 5 digit binary number and A will respond with the number of correct digits (digits in the right place). ...
22
votes
9answers
3k views

House Number Mastermind

I was having a house-leaving party at my old house, and challenged four of my friends to guess the number of the new address, which had three digits. The responses I got were 280, 376, 304, and 370....