7462 | Science: Computers | Multiple Choice | Medium | What was Bitcoin's block size limit in 2010? |
5335 | Entertainment: Books | Multiple Choice | Hard | In which classic novel by Mark Twain did a beggar and Prince of Wales switch clothes, and learn about social class inequality? |
5309 | Geography | Multiple Choice | Medium | How many time zones are in Russia? |
5024 | Entertainment: Film | Multiple Choice | Easy | Who directed the Kill Bill movies? |