I have one of the three numbers: 1, 2, or 3 in my mind. I speak only the truth. You can ask me just one question for which I will only reply in yes or no or don’t know.

What question will you ask me so that you are able to know the number?

0 votes

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only the truth. You can ask me just one question for which I will only reply in yes or no or don’t know.

What question will you ask me so that you are able to know the number?

...