Such type of study pattern will not help you in your professional career.
By just learning "questions with answer" what would you gain ?
Do you think that the questions would be raised from those question bank only ?
Don't forget that in CA Final again this paper is there at very advanced level. If you pass PCC anyhow; it would be difficult to understand that you will pass there.
Read the article "ONE SHOT SUCCESS IN CA" appearing at caclubindia.
Explain your coverage of the subject till now to conclude the matter.