| Question | Answer |
| What is the fear of the number thirteen called? | |
| Which failed mission to the moon brought the misquoted line of: 'Houston, we have a problem.' | |
| What is the real name of the doctor nicknamed 'Thirteen' by Dr Gregory House in 'House MD' | |
| When is New Year's Day in Thailand? | |
| Which prime number is thirteen (ie first, second, thirteenth...) | |
| Which religious coming-of-age ceremony occurs at thirteen for a boy? | |
| In which sci-fi series is Earth referred to as the thirteenth colony? | |
| | Question | Answer |
| What country was formed originally from thirteen colonies? | |
| Who crossed the Rubicon with the thirteenth legion? | |
| What year was the number thirteen removed from F1 racing? | |
| What ballsport has thirteen players on a team? | |
| Which profession's 'dozen' contains thirteen? | |
| What is thirteen in French? | |
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