You can go for the preparation of Q.A. for last time preparation by following this steps:
1. Firstly your focus should be on theory. Go through the theory of modul.Don’t leave
any theory as it can be highly useful in scoring.
2. Prepare the list of the formula in which you find any difficulties.
3. Mark some of the questions as LTR( Last Time Revision).
4. Practice on the chapters in which you are 100% sure that you can collect marks
from those chapters.
5. Focus on that subject which you find easy i.e. maths or statistics.
6. After completing the syllabus once again, try to solve the past papers.