Select the number of questions you would like to answer, then select the topics you would like to be tested on. You can select as many topic as you like, but there is no guarantee you will get one from every topic. It's all random!
For a multiple choice question, select your answer by clicking on it. You can also use the number keys or A,B,C or D keys. Click next or press enter on the keyboard to confirm.
For an input question type your answer out then click next or press enter.
You cannot go back once you select an answer. Choose wisely!
Once you have answered all the questions, you will see how well (or badly) you have done!