There are several resources and books available that provide solutions to previous years' papers for UPSC exams. These resources are designed to help candidates understand the exam pattern, practice solving questions, and improve their overall performance. One such resource is EduRev, which offers a wide range of study materials, including solved papers for UPSC exams.

Benefits of Using Resources and Books with Solutions to Previous Years' Papers:

1. Understanding the Exam Pattern: By going through the solutions of previous years' papers, candidates can get a clear understanding of the exam pattern, question types, and the level of difficulty.

2. Identifying Important Topics: These resources often provide detailed explanations for each question, helping candidates identify the important topics and areas where they need to focus their preparation.

3. Improving Time Management: Solving previous years' papers with solutions can also help candidates improve their time management skills. By practicing solving questions within the time limit, they can learn to allocate time to different sections and questions more effectively.

4. Building Confidence: Regular practice with previous years' papers and their solutions can boost candidates' confidence levels. It helps them become familiar with the exam format, reduces exam-related anxiety, and improves their overall performance.

Recommended Resources and Books:

1. EduRev: EduRev is a comprehensive online learning platform that offers a vast collection of study materials, including solved papers for UPSC exams. Their solutions are well-explained, covering various subjects and providing detailed insights into solving techniques.

2. UPSC Previous Years' Question Papers: The official website of the UPSC (Union Public Service Commission) also provides previous years' question papers with solutions. Candidates can access these papers for free and practice solving them to get an idea of the exam pattern.

3. Books by Arihant Publications: Arihant Publications is a well-known publisher that offers books specifically designed for UPSC exams. Their books not only contain previous years' papers but also provide detailed solutions and explanations for each question.

4. Books by Disha Publications: Disha Publications is another popular publisher that offers a range of books for UPSC exam preparation. Their books provide solved papers, along with explanations and strategies to approach different types of questions.

It is important to note that while these resources and books can be helpful in exam preparation, they should be used in conjunction with other study materials and a well-rounded study plan. Regular revision, self-assessment, and seeking guidance from mentors or subject experts are equally important for success in UPSC exams.