Introduction
Mock tests are an essential part of exam preparation, especially for competitive exams like UPSC. They simulate the real exam scenario and help candidates assess their knowledge and performance. Attempting mock tests from different sources can bring several benefits to aspirants. Let's delve into the details.

Diverse Set of Questions
Taking mock tests from various sources provides candidates with a diverse set of questions. This is beneficial for multiple reasons:

1. Exposure to Different Question Types: Different sources may have unique question formats, styles, and patterns. Attempting mock tests from multiple sources ensures that candidates get exposed to a wide range of question types. This helps in developing a versatile approach towards solving questions and improves adaptability during the actual exam.

2. Enhanced Problem-Solving Skills: When candidates practice questions from different sources, they encounter various levels of difficulty. This helps in sharpening their problem-solving skills and enables them to tackle challenging questions with ease. Exposure to a diverse set of questions also enhances critical thinking and analytical skills.

3. Comprehensive Coverage of Syllabus: Each source may have a different emphasis on topics and subtopics. By attempting mock tests from various sources, candidates can ensure comprehensive coverage of the entire syllabus. This reduces the chances of missing out on any important topic and ensures a well-rounded preparation.

4. Reduced Predictability: Repeatedly practicing from the same set of questions can lead to predictability and familiarity. This might create a false sense of confidence. Mock tests from different sources introduce unpredictability and prevent candidates from relying solely on rote memorization. This prepares them to face any question, irrespective of its familiarity.

5. Identification of Knowledge Gaps: Attempting mock tests from different sources helps candidates identify their strengths and weaknesses. The diverse set of questions enables them to understand which areas require more attention and improvement. This allows aspirants to focus their efforts on filling knowledge gaps and achieving a better overall performance.

Conclusion
In conclusion, attempting mock tests from different sources is highly recommended for UPSC aspirants. It provides a diverse set of questions, exposes candidates to different question types, enhances problem-solving skills, ensures comprehensive coverage of the syllabus, reduces predictability, and helps identify knowledge gaps. By incorporating mock tests from various sources into their study routine, candidates can enhance their preparation and increase their chances of success in the UPSC exam.