Unanswered Questions

There has been a recent spate of related "22+4" questions that can all be answered by using different cyclic numbering systems. The OP's always say "use base 10," perhaps not realizing that that ...

This issue arises with this question. Theoretically, there can be an unlimited number of questions of the type- Find the solution to a magic square with each side and diagonal adding up to X. Of ...

This question and this question are essentially the same. Even if you disagree with the assessment that these two example questions are not similar enough to be duplicates, imagine the case with two ...

I thought I remembered a similar discussion to this earlier, but can't find it now. If this is a duplicate, please let me know. The community is pretty on top of things when it comes to flagging ...

The question Connect 3 houses with 3 wells is a duplicate of a question I'm almost certain we've already had on the site. Searching for "gas is:question" or "connect is:question" or "overlap is:...

We have a bunch of questions involving variants of the classical puzzle about measuring specific periods of time by burning ropes: Burning ropes as timers (the original) Burning ropes as timers - How ...

I found this great math problem on Math Stack Exchange. In fact it was worded as a puzzle, with flavor and all. Thus I would tend to call it a mathematical puzzle The puzzleproblem had some partial ...