- Concept of Percentage
- Problem-Concept of Percentage
- Problem on Percentage by Using Unitary Method
- Problem on Percentage by Using Proportion
- Comparing Two Quantities by Percentages
- Increasing or Decreasing a Quantity by a given Percentage

- Concept of Profit and Loss
- concept of percent profit
- Problem- profit percentage
- Concept of prercent loss
- Problem- loss percentage
- Word Problem Related to Profit
- Word Problem Related to Loss
- Concept of Profit and Loss Percent
- More on Concept of Profit and Loss Percent
- Problem-Related to Profit or Loss Percent-p1
- Problem-Related to Profit or Loss Percent-p2
- Problem-Related to Profit or Loss Percent-p3
- Importance of Profit and Loss Percentage
- Problem-Importance of Profit and Loss Percentage
- Finding Selling Price When Profit/Loss Percent & Cost Price are Given
- Finding Cost Price When Profit/Loss Percent and Selling Price are Giv
- Prob-Finding Cost Price When Profit/Loss Percent and Selling Price ar