In order to assist you in learning the various topics, below you will find several multiple choice tests. These are not official tests, meaning it doesn't guarantee any level of success, but it will be a good indication of how well you know the material.
Most safety related agencies use 70% as the passing criteria. If taking the lifeguarding course note that the passing criteria is much higher, as this is a professional occupation.
The best way to write these tests is to mark your answers on a blank piece of paper than check your answers with the answer key at the bottom. Obviously you should do the tests first then check your answers.