1. Which is longest river of South India ?

Answer: Godavari

2. Which is the lightest metal ?

Answer: Lithium

3. Which is Longest national highway of India ?

Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km)

4. Which is the largest sea in the world ?

Answer:

Philippine Sea

5. Which is the highest dam in India ?

Answer: Tehri Dam on Bhagirathi River in Uttarakhand (Height of 260 metres)

6. Which is the Densest populated State of India ?

Answer: West Bengal

7. Which is the largest epic in world ?

Answer: Mahabharat