Introduction:
Yes, you can find previous year's question papers for different age groups or categories in a single document. This can be done through EduRev, a popular educational platform that provides a wide range of study materials, including question papers, for various exams and age groups.

Procedure:
To access previous year's question papers for different age groups or categories in a single document, follow these steps:

1. Visit the EduRev website (www.edurev.in) and create an account if you don't have one already.

2. Once you have logged in, navigate to the search bar on the homepage.

3. Enter the relevant keywords such as "previous year question papers" or "question papers by age group" in the search bar.

4. The search results will display various options related to previous year's question papers.

5. Look for the option that specifically mentions previous year's question papers for different age groups or categories.

6. Click on the relevant option to access the document containing the desired question papers.

7. The document will typically be in a PDF format, allowing you to easily download and save it for future reference.

Advantages of using EduRev:
- Comprehensive Collection: EduRev offers a vast collection of question papers for different exams and age groups, ensuring that you have access to a wide range of resources.

- Categorized Approach: The question papers are categorized based on age groups or specific categories, making it easier for you to find the papers that are relevant to your requirements.

- User-Friendly Interface: The EduRev platform is designed to be user-friendly, allowing you to navigate through the website and access the desired question papers effortlessly.

- Reliable and Authentic Content: EduRev ensures that the question papers provided are reliable and authentic, sourced from reputable educational institutions and experts.

- Regular Updates: The platform is regularly updated with the latest question papers, ensuring that you have access to the most recent papers for practice and preparation.

Conclusion:
In conclusion, EduRev is a reliable platform that offers previous year's question papers for different age groups or categories in a single document. By following the mentioned procedure, you can easily access and download these question papers, helping you in your preparation for various exams.