Class 10 Chapter 23.1 Practice Problems

I'm looking for a freelancer who can create 5-10 practice problems with solutions for Class 10 Chapter 23.1. The problems should be suitable for helping a student understand and get better at this chapter. The final document should be a well-organized PDF.

Ideal skills for the job include:
- Strong understanding of Class 10 mathematics
- Ability to create engaging and educational practice problems
- Proficiency in creating and formatting PDF documents

Please provide examples of similar projects you've worked on in the past.