1. Which is largest Dome in India ?

Answer: Gol Gumbaz (Karnataka)

2. Which is tallest statue in world ?

Answer:

Spring Temple Buddha located in the Zhaocun township of Lushan County, Henan, China

3. Which is the biggest country in Area ?

Answer: Russia

4. Which is smallest state by area of India ?

Answer: Goa

5. Which is the longest Platform ?

Answer:

Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters)

6. 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.

7. Which is largest Dam in World ?

Answer: Three Gorges (China)