The document contains a collection of brain teasers and riddles. Some examples include: What has a head but never weeps, gives you health but not with teeth? (A river); If you got it you want to share it; if you share it you haven't got it (A secret); A man walks into a bathroom with a gun and shoots himself between the eyes but walks out unharmed (He shot his reflection in the mirror). The riddles cover a variety of topics and puzzles to solve using logic.