Topic Details (Notes format)

Which language has the most native speakers in the world?

Which economist wrote ‘The Wealth of Nations’ in 1776, outlining free market theories?

Which is the oldest mountain range in India?

Which tower in Pisa, Italy, is famous for its unintended tilt?

Who discovered gravitational waves?

Who discovered Persepolis?

What is the name of Earth’s largest satellite?

In which Russian city is the Hermitage Museum located?

Which element has the chemical symbol "Fr"?

Which is the lightest of the three main subatomic particles?