1. Which river runs through the city of Paris?

2. Who discovered gravity when an apple supposedly fell on his head?

3. What is the capital city of New Zealand?

4. In what year did World War II end?

5. Which chemical element has the atomic number 1?

6. Who wrote the novel '1984'?

7. Which British band sang 'Hey Jude'?

8. What is the largest lake in the United States by surface area?

9. What is the square root of 144?

10. Which US holiday commemorates the adoption of the Declaration of Independence?

11. Which planet is closest to the Sun?

12. What is the official language of Brazil?

13. Who was the first man to walk on the Moon?

14. Which UK author created the detective Sherlock Holmes?

15. What is the capital of the US state of California?

16. Which mammal is known to have the most powerful bite?

17. In computing, what does 'HTTP' stand for?

18. Which classical composer wrote the 'Moonlight Sonata'?

19. What is the name of the longest river in the UK?

20. Which US state is the Grand Canyon located in?