Which is the world's busiest airport by passenger traffic?

The headquarters of NATO is located in?

Who was the first human to walk on the Moon?

The Universal Declaration of Human Rights was adopted in which year?

Which is the smallest country in the world by area?

The first Secretary-General of the United Nations was?

Which is the capital city of Pakistan's Azad Kashmir?

Which is the largest planet in our solar system?

Which is the largest hot desert in the world?

The United Nations Framework Convention on Climate Change (UNFCCC) was adopted in which year?

Which country is the second most populous in the world?