[jstummbillig]

If you know that those are not the answers they are looking for, you can reasonably pass by modifying the answer only slightly, while still getting your point across.

If you can't, you might be getting interviewed by people you do not what to work with and you should want to know that.

[flashgordon]

Except these are the people in your way of getting that job that could be potentially life/career changing for you financially or otherwise. In this market or depending on your situation that would be hard to ignore.

[jstummbillig]

I think that's a red herring. You are a knowledge worker. You are paid to disagree when necessary. Yes, people will probably take offense when you say "that's just a dumb question" but if they can't at least be approached when you offer your opinion in a palatable(sic) way, that's simply not going to work.

Understand what is being asked. Your insight on a topic is being tested. Offer an answer that does not read like a dodge or a coin flip.