1. Which is the Densest populated State of India ?

Answer: West Bengal

2. Which is the longest wall in world ?

Answer: Great wall of China

3. Which is the largest sea in the world ?

Answer:

Philippine Sea

4. Which is longest river in world ?

Answer: Nile, Africa

5. Which is longest river in world ?

Answer: Nile, Africa

6. Which is longest tributary river of India ?

Answer: Yamuna

7. What is the name of brightest star ?

Answer: Sirius