1. Which is highest dam in world ?

Answer:

Jinping-I Dam - 305 m (1,001 ft) in China on Yalong river.
Second Highest is Nurek Dam 300 m (980 ft) Tajikistan on Vakhsh river.

2. Which is the shortest day in the year ?

Answer: December 22

3. Which is smallest state by area of India ?

Answer: Goa

4. Which is Largest library in the world ?

Answer: United State Library of Congress, Washington D.C.

5. Which Indian state is having longest coastline ?

Answer: Gujrat

6. Which is the largest sea in the world ?

Answer:

Philippine Sea

7. Which is biggest planet ?

Answer: Jupiter