Which is the largest hot desert in the world?

Who discovered the theory of gravity?

What is the currency of Saudi Arabia?

The Magna Carta was signed in which year?

What is the currency of Spain and other eurozone countries?

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

What does DNA stand for?

Which continent is known as the 'Dark Continent'?

The United Nations Security Council has how many permanent members?

Which is the capital city of Thailand?

The Berlin Conference of 1884 to 1885 was primarily concerned with?