Yes, solving previous years' question papers for commerce can be beneficial for several reasons:

1. Familiarity with exam pattern: Solving previous years' question papers helps you become familiar with the exam pattern, types of questions asked, and the distribution of marks. This knowledge can be beneficial in understanding how to structure your answers and manage time effectively during the actual exam.

2. Practice and revision: Solving previous years' question papers provides an opportunity to practice and revise important concepts and topics. It helps you identify areas where you are weak and need to focus more on. It also allows you to gauge your level of preparation and improve upon it.

3. Understanding marking scheme: By solving previous years' question papers, you can understand the marking scheme used by examiners. This knowledge can help you prioritize certain questions over others and allocate your time accordingly.

4. Confidence building: Solving previous years' question papers helps in building confidence as it gives you a sense of familiarity with the exam. It reduces anxiety and nervousness, allowing you to perform better in the actual exam.

5. Identifying trends: By solving previous years' question papers, you can identify any recurring trends or frequently asked topics. This can help you prioritize your studying and focus on areas that are more likely to be tested.

Overall, solving previous years' question papers can be a valuable tool in your exam preparation strategy for commerce. However, it should not be the sole focus of your preparation. It is important to supplement it with thorough understanding of concepts, regular practice, and revision of study materials.