4.Which is the only country in the world to have a square flag?
Ans : Switzerland

5. What is the largest City in the USA in terms of area?
Ans : Juneau

6. What is the smallest country in the world?
Ans : Vatican City

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7. What is the smallest country in the world?
Ans : Russia (17,075,400 km square)

8. Which of the following countries was not part of the Soviet Union in 1991?
Ans : Yugoslavia

9. The land Yugoslavia was divided into 7 countries? Which of the following is not part of the former Yugoslavia?
Ans : Armenia

इसे भी पढ़े:- 6. पृथ्वी के महत्वपूर्ण प्रश्न

10. Where would you find the Itaipu Dam?
Ans : Panama River, South America

11. In the 2008, Online Survey, which of the following is not one of the New Seven Wonders
Ans : Petronas Twin Towers

12. What is the capital of Estonia?
Ans : Talinn

13. What is the type of government of Denmark?
Ans : Constitutional Democracy

14. Where is the official home of Santa Claus?
Ans : Finland

इसे भी पढ़े :- 5. पृथ्वी के महत्वपूर्ण प्रश्न