How many times can I use a question? And how many times can I revise a test?

Are you planning to introduce tests in new languages?

Do the questions have an expiration date?

What are the different exam types that I can set when composing a test? How does this relate to the diffficulty of the questions that will appear in the test?

How do I buy test questions in the language I want to practice in? And do I get the same questions repeated in all the languages I select?

Are the test questions different from those in The Ultimate EU Test Book?

Can I revise ongoing tests?

Can I revise my previous tests?

What can i do if want to buy just a few more EPSO-style test questions from a given domain?

In the Statistics block, how do you calculate the averages for all users?