1. What's the least populated US state?
  2. Which of the following is not an official language of Switzerland?
  3. Which one of the following countries is NOT a member of the European Union (EU)?
  4. Which of the following is the capital of Australia?
  5. Which of the following countries is not Spanish speaking?
  6. What is the longest river in the world?
  7. What's the most populated country in the world?
  8. What is the longest mountain range in the world?
  9. Besides Australia, what's the largest island in the world?
  10. Uruguay is located in: