In an economy, on what basis are sectors classified into public and private?

What was used in the art school of Mathura?

Mechanical energy is converted into electrical energy by

Which team has won the Santosh Trophy Football Competition 2019?

One is the largest ocean in the World

Which of the following virus was first discovered?

In which day Humayun conquered Sher Shah Suri?

The formation of ozone hole is maximum?