Ranging from super-tough head-scratchers to unbelievably easy queries, these riddles are just as fun for adults to solve as .

And why wouldn't they? Telling jokes and riddles are not only a good way to pass the time, but they also serve a purpose. For adults, riddles are a great way to exercise the brain and help keep ...

While you're at it, enjoy the rest of these holiday brainteasers and funny Christmas jokes in this comprehensive list of ...