Yes, undoubtedly. Previous year exam papers are the best and easiest way to prepare for an exam. If you can solve last 10 years papers easily, then your chances of being shortlisted for further rounds increase automatically. But, remember one thing. Stay updated with the syllabus and patterns of the exam papers you are preparing for.
Yes, of course shivangee. Previous year’s exam papers are very helpful in such kind of papers. Even students, who are preparing for govt. sector, prefer them a lot. In fact, questions are rotated a lot. Thus, they can help you out to score well in the exam paper.