Hours To Study

This is the toughest question to answer and I think there cannot be direct answer to this question. It varies for individual to individual and from time to time. But for sure following rules apply

1 - Regular studies gives better results


2 - Follow a time table


3 - Have good gaps in between for recreation/sports


4 - Try puzzles, quizzes to sharpen your brain


5 - Test your self regularly to see where you stand and plan accordingly.