1. Which is longest railway station ?

Answer: Grand Central Terminal, Chicago(USA).

2. Which is the longest wall in world ?

Answer: Great wall of China

3. Which state is largest by Population ?

Answer: Uttar Pradesh

4. Which is the deepest lake of the world ?

Answer: Lake Baikal

5. Which is the largest gulf ?

Answer: Gulf of Mexico

6. Which is the largest Mosque in India ?

Answer: Jama Masjid (Delhi)

7. Which is the longest Platform ?

Answer:

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