1. Which is the smallest state of India by Population ?

Answer: Sikkim

2. Which is Longest road tunnel in the World ?

Answer: Lærdal Tunnel (Norway - 24.51 kilometre)

3. Which is Biggest ocean in the world ?

Answer: Pacific ocean

4. Which is longest tributary river of India ?

Answer: Yamuna

5. Which is the longest road in India ?

Answer: Grand Trunk Road (2500 Km)

6. Which is the largest sea in the world ?

Answer:

Philippine Sea

7. Which is the longest rail tunnel in India ?

Answer: Pir Panjal (J&k, 11215 metre)