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

Answer: Rajasthan

2. Which is longest river of India

Answer: Ganges

3. Which is the biggest museum in the world ?

Answer: British Museum, London

4. 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.

5. Which state is largest by Population ?

Answer: Uttar Pradesh

6. Which is longest tributary river of India ?

Answer: Yamuna

7. Which is the longest Platform ?

Answer:

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