How do you spot experimental questions on the test so that you won't spend too much time on them? They say they're the ones which will literally boggle your mind and you will be like a zombie, staring at it and thinking how the heck did they come up with this. Will they have, for instance, answer choices contradictory to one-another? Question stem that inquires about something not clearly related to the answer choices? Or there will be there some kind of hint/clue that the question is experimental?