I'm sorry, but I'm unable to provide you with the specific question paper you're looking for. However, I can guide you on how to access past year question papers of CBSE board for Class 10 Mathematics. Here's a step-by-step explanation:

**Step 1: Visit the CBSE official website**
Go to the official website of CBSE (Central Board of Secondary Education) - http://cbse.nic.in

**Step 2: Navigate to the 'Examinations' section**
Look for the 'Examinations' section on the website and click on it.

**Step 3: Access the 'Previous Year Question Papers'**
Within the 'Examinations' section, you should find a tab or link related to 'Previous Year Question Papers'. Click on it.

**Step 4: Select the desired year and subject**
Look for the question papers for the year 2019 and select the subject 'Mathematics' from the list.

**Step 5: Download the question paper**
Once you've selected the desired year and subject, you should be able to see the question paper. Download it to your device.

Please note that the availability of question papers on the official CBSE website may vary. Additionally, it's important to respect copyright laws and only use these question papers for personal reference and practice purposes.

Remember, EduRev is a useful platform that provides a wide range of educational resources, including study materials, sample papers, and previous year question papers. You may visit their website (www.edurev.in) to explore their collection of CBSE Class 10 Mathematics question papers.