I'm sorry, but I am unable to browse the internet or access specific websites. However, I can guide you on how to find previous year's question papers for the IIT JAM Mathematics Exam.

1. Official Website:
Visit the official website of IIT JAM (Joint Admission Test for M.Sc.) Mathematics. Look for the "Previous Year Question Papers" section on their website. They often provide question papers of previous years for various subjects, including Mathematics. Download the question papers from there.

2. Online Forums and Communities:
There are various online forums and communities where students share study materials and resources. You can search for IIT JAM Mathematics question papers on such platforms. One popular forum is EduRev, which offers a wide range of study materials, including previous year question papers. Search for "IIT JAM Mathematics question papers" on the EduRev website to find the relevant papers.

3. Online Study Platforms:
Online study platforms like Unacademy, BYJU'S, and others often provide study materials and question papers for competitive exams. Visit these platforms and search for IIT JAM Mathematics question papers. Some of these platforms may require a subscription or payment for access to the question papers.

4. Coaching Institutes:
Many coaching institutes that prepare students for IIT JAM Mathematics also provide previous year question papers as part of their study material. Visit the websites of renowned coaching institutes or contact them directly to inquire about the availability of IIT JAM Mathematics question papers.

5. Social Media Groups:
Join social media groups or communities related to IIT JAM Mathematics preparation. These groups often have members who share study materials and question papers. Engage with the group members and request access to previous year question papers.

Remember, solving previous year question papers is a valuable part of exam preparation. It helps you understand the exam pattern, identify important topics, and practice time management. Make sure to solve these papers within the time constraints to simulate the actual exam experience.