1. Which is the longest wall in world ?

Answer: Great wall of China

2. Which is the largest Mosque in India ?

Answer: Jama Masjid (Delhi)

3. Which Indian state is having longest coastline ?

Answer: Gujrat

4. Which is Longest road tunnel in the World ?

Answer: Lærdal Tunnel (Norway - 24.51 kilometre)

5. Which is tallest statue in world ?

Answer:

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

6. Which is longest tributary river of India ?

Answer: Yamuna

7. Which state is largest by Population ?

Answer: Uttar Pradesh