Reviewing the solutions of previous year papers can be an extremely beneficial strategy for understanding the examiner's expectations in terms of depth and relevance for Public Administration answers. Here's how it can help:

1. Understanding the Question Pattern:
- By reviewing previous year papers, you can get a clear idea of the types of questions that have been asked in the past.
- This will enable you to identify any recurring patterns or themes in the question paper, allowing you to prepare accordingly.
- You can also analyze the distribution of marks for different types of questions, which will help you allocate your time and efforts more effectively during the exam.

2. Familiarizing with the Marking Scheme:
- Examining the solutions of previous year papers will provide insights into the marking scheme used by the examiner.
- You can identify the key points or concepts that are expected to be included in the answers, as well as the level of detail required for each point.
- This understanding of the marking scheme will help you structure your answers appropriately and allocate your time accordingly.

3. Identifying the Emphasis on Depth and Relevance:
- By reviewing the solutions, you can analyze the depth and relevance of the answers that have received high scores in the past.
- This will give you a clear understanding of the examiner's expectations in terms of the level of detail required in your answers.
- You can also identify the specific examples, case studies, or real-life instances that were considered relevant and impactful by the examiner.
- This knowledge will help you enhance the depth and relevance of your answers, improving your chances of scoring well.

4. Learning from Mistakes:
- Reviewing the solutions of previous year papers allows you to identify common mistakes made by candidates in their answers.
- By analyzing these mistakes, you can learn from them and avoid making similar errors in your own answers.
- This will help you improve the quality of your responses and increase your chances of scoring higher marks.

In conclusion, reviewing the solutions of previous year papers can provide valuable insights into the examiner's expectations in terms of depth and relevance for Public Administration answers. It helps in understanding the question pattern, familiarizing with the marking scheme, identifying the emphasis on depth and relevance, and learning from mistakes. By utilizing this strategy, you can enhance your preparation and increase your chances of scoring well in the examination.