At which among the following Harappan sites are fire altars found?

Consider the following statements on computation of density :

1. Physiological density can be computed by dividing the total population by the net cultivable area.

2. Agricultural density can be computed by dividing the total agricultural population by the net cultivable area.

3. Population density can be computed by dividing the total population by the total area.

How many of the above statements is/are correct?

The formation of ‘tors’ on small rocky hills is associated with which among the following?

Consider the following statements about anticyclones :

1. Anticyclones are high pressure systems.

2. Air in the centre of the system must be subsiding.

3. Anticyclones are characterized by converging winds.

How many of the above statements is/are correct?