1. Which is the state largest by area in India ?

Answer: Rajasthan

2. Which is Largest library in the world ?

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

3. Which is Largest Dome in World ?

Answer: St. Peter's Basilica (Rome)

4. Which is the highest Plateau ?

Answer: Pamir, Tibet

5. 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.

6. Which is the deepest lake of the world ?

Answer: Lake Baikal

7. Which is Highest Battle field ?

Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers.