For all you smug gits reporting top marks on Facebook quizzes, try these.
1. BBC cybersecurity challenge (easy first then exponentially more difficult). http://www.bbc.co.uk/news/technology-34312697
2. GCHQ's Christmas Puzzle http://www.gchq.gov.uk/press_and_media/news_and_features/pages/directors-christmas-puzzle-2015.aspx
3. King William's College Christmas Quiz for Students. Are you smarter than a 17-year-old? http://www.kwc.im/uploads/gkp-questions-2015-16.pdf
and if you finish that lot in under your 10 minutes, you can use the remaining time to fill this out...
4. CAM's current crossword nightmare for Cambridge Alumni. You can't start writing your answers in until you have adjacent clues solved as some answers go in backwards.