You can access all reports from 'View reports' from your AutoMaths dashboard, or via the 'My Progress' tab on the 'Ready-made tests' screen.
When you have completed a ready-made test, it will appear at the bottom of your dashboard. Click on the purple 'View reports' button.
This will show you the results of all ready-made tests you have completed, as well as any tests you have started but not yet submitted (indicated by the purple 'Take test'). Your average across all tests is displayed is also displayed under 'Marks attained':
Selecting a particular test name will allow you to view what you entered for each question. Please note that any question you did not select 'reveal answer' or submitted your answer to will appear as blank for your input.