Since these files are in PDF format, in order to view them correctly, you need to have a PDF Reader (such as Adobe Reader or similar) installed on your computer.
If you still cannot view PDF files, then open your Adobe Reader. Choose Edit – Preferences – Internet and Uncheck “Display PDF in browser”. Then click OK.
When the examination paper appears correctly on screen, but prints with errors, misplaced text or images try the following: When you click “Print”, a grey dialogue box appears. Tick “Print as Image” (on the upper right hand side). The paper should now print correctly.