The Friday Brain-teaser from xrefer - Did you always have a good excuse for getting out of PE at school, or were you a team captain? Either way you are likely to know how many people make up a team in various sports. Answers here:

1. Cricket
2. American football
3. Hockey
4. Basketball (there are two possible answers)
5. Polo
6. Ice hockey
7. Volleyball
8. Water polo
9. Hurling (traditional Irish game)
10. Octopush (underwater game)