Yes, here are some specific tips to improve your problem-solving skills using previous years' papers for Commerce:

1. Familiarize yourself with the exam format: Understand the structure, types of questions, and marking scheme of the exam you are preparing for. This will help you identify patterns and focus on the areas that carry more weightage.

2. Analyze the previous years' papers: Go through the previous years' papers and analyze the types of questions that are frequently asked. Look for common themes or topics that are repeated. This will give you an idea of the important concepts to focus on during your preparation.

3. Solve papers under exam conditions: Set a timer and attempt previous years' papers within the specified time limit. This will help you develop time management skills and practice working under pressure.

4. Identify your weak areas: While solving previous years' papers, pay attention to the areas where you face difficulty. These weak areas can be specific topics or types of questions. Work on improving your understanding and skills in these areas.

5. Seek clarification for doubts: If you come across any questions or concepts that you don't understand while solving previous years' papers, make a note of them. Seek clarification from your teachers, classmates, or online resources. This will help you strengthen your understanding of the subject.

6. Review your answers: After solving the papers, review your answers and compare them with the model answers or solutions provided. Identify the mistakes you made and understand the correct approach to solving the questions. This will help you improve your problem-solving techniques.

7. Practice regularly: Consistent practice is key to improving problem-solving skills. Set aside dedicated time for solving previous years' papers regularly. The more you practice, the more comfortable and efficient you will become in solving problems.

8. Track your progress: Keep a record of your performance in each paper you solve. Monitor your progress over time and identify areas where you have improved and areas that still need work. This will help you track your growth and focus on specific areas during revision.

Remember, solving previous years' papers is just one aspect of your preparation. Combine it with thorough understanding of concepts, regular revision, and other study materials to enhance your problem-solving skills and excel in your Commerce exams.