The value of puzzles in interviewing is never about reaching the solution. It is about seeing how candidates deal with tricky situations that stretch them a bit, because that happens all the time on the job. It should almost always be done interactively, so you can see what clarifications and extra information they ask for, when and how they give up, and if they're dumb enough to say HR violations out loud (it does happen).

This does require a rather skilled interviewer, so the benefits may well not be worth it. But it can be very interesting information to have.

Or whether you watch Veritasium and just know you can jump out of that blender because weight scales with the cube of height and muscle power scales quadratically.