- Problem-Concept of Profit and Loss
- Introduction to Profit
- Problem1-Introduction to Profit
- Problem2-Introduction to Profit
- Introduction to Loss
- Problem1-Introduction to Loss
- concept of percent profit
- Problem- profit percentage
- Problem-Related to Profit or Loss Percent-p2
- Profit and Loss as a percentage of Cost/Sale Price
- Further Examples on Percentage
- Problem1-Profit and Loss as a percentage of Cost/Sale Price
- Problem2-Profit and Loss as a percentage of Cost/Sale Price

- Problem-Concept of Discount by proportion method
- Discount
- Problem1-Discount
- Relations Regarding Discount
- Problem1-Relations Regarding Discount
- Problem2-Relations Regarding Discount
- Real Life Problems Regarding Discount
- Problem-Real Life Problem Regarding Discount

- Problem Related to Partnership-p1
- Problem Related to Partnership-p2
- More on Problem Related to Partnership-p2
- Problem Related to Partnership-p3
- Introducing Business Partnership
- Calculating Profit Among the Partners
- Problem1-Calculating Profit Among the Partners
- Problem2-Calculating Profit Among the Partners
- Problem3-Calculating Profit Among the Partners