1. Which is smallest continent of world ?

Answer: Australia

2. Which is longest river in world ?

Answer: Nile, Africa

3. Which is the shortest day in the year ?

Answer: December 22

4. Which is the largest sea in the world ?

Answer:

Philippine Sea

5. Which is biggest planet ?

Answer: Jupiter

6. Which is the deepest lake of the world ?

Answer: Lake Baikal

7. Which is longest railway station ?

Answer: Grand Central Terminal, Chicago(USA).