People enjoy solving riddles to keep their minds sharp. Each riddle hides a small clue or detail that leads to the answer, if you know where to look. Some puzzles can take hours to solve, while a few sharp thinkers spot the trick right away. The riddles below may look easy at first, but don’t rush, most come with a twist. Take your time and see how many you can crack. Brightside is the source for this survey series.