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# Comparing Quantities worksheet for class 8 ### myCBSEguide App

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## Comparing Quantities worksheet for class 8 Important Topics

• Recalling Ratios and Percentages
• Finding the Increase or Decrease Per cent
• Finding Discounts
• Prices Related to Buying and Selling (Profit and Loss)
• Compound Interest
• Deducing a Formula for Compound Interest
• Rate Compounded Annually or Half Yearly (Semi Annually)
• Applications of Compound Interest Formula ## Some important Facts about Comparing Quantities worksheet for class 8

1. Discount is a reduction given on marked price. Discount = Marked Price – Sale Price.
2. Discount can be calculated when discount percentage is given. Discount = Discount % of Marked Price
4. Sales tax is charged on the sale of an item by the government and is added to the Bill Amount. Sales tax = Tax% of Bill Amount
5. Compound interest is the interest calculated on the previous year’s amount (A = P + I)

## NCERT Class 8 Mathematics Solved Worksheets

• Chapter 1: Rational Numbers
• Chapter 2: Linear Equations in One Variable
• Chapter 4: Practical Geometry
• Chapter 5: Data Handling
• Chapter 6: Squares and Square Roots
• Chapter 7: Cubes and Cube Roots
• Chapter 8: Comparing Quantities
• Chapter 9: Algebraic Expressions and Identities
• Chapter 10: Visualising Solid Shapes
• Chapter 11: Mensuration
• Chapter 12: Exponents and Powers
• Chapter 13: Direct and Inverse Proportions
• Chapter 14: Factorisation
• Chapter 15: Introduction to Graphs
• Chapter 16: Playing with Numbers

## Applications of Compound Interest Formula

There are some situations where we could use the formula for calculation of amount in CI.

Here are a few.

1. Increase (or decrease) in population.
2. he growth of a bacteria if the rate of growth is known.
3. The value of an item, if its price increases or decreases in the intermediate years.

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