The number of people per unit area of arable land is termed as

The language spoken by the largest number of people in the world is :

Which one of the following is not among the principal languages of Jammu and Kashmir?

As per 2011 Census, the urban population percentage to the total population of India was about

Which one among the following is the most populated State in India as per Census 2011?

The major part of Central Asia is dominated by which one of the following language families?