Hello,
It solely depends on your university. It varies from University to university about the kind of answers they want and also on the subjects. About economics, you need to explain it well and also draw graphs whenever possible for maximum marks. About statistics, you need to be extra careful and neat. For English you need to focus on the grammar part more since there are chances of losing marks in the other portion. Please mention your subjects for better guidance. Also, solving previous year questions will help you a lot.