Funny random questions are great; to pull out at parties it gets everyone thinking. Some famous comedians use them as an opening line in their acts because they intrigue people. Usually they are nonsensical questions that don't really have a set answer, but its fun to listen to the answers anyway. Examples: Do animals commit suicide? Why do places say 'free gift'? Aren't gifts free anyway?
. Parents tell you to never take candy from a stranger, so why do we have Halloween? Why do they call it minute rice when it takes 10 minutes to cook? The list is endless, check out http://www.crazythoughts.com/ that have a whole lot of funny questions.