A riddle is a kind of brain teaser that generally Trying to solve them is a lot of fun. Hope that you enjoyed reading about them. unexpected answer. Tricky riddles or hard riddles are a great way is based on the format of a question with an since it makes you think outside the box. Some riddles are easy,to exercise your mind, ones, since they stimulate your brain and make you think others are hard and some of them are funny.