CBSE Class 8 Maths Notes for Chapter 8 Comparing Quantities

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  • Discount:

Discount is a reduction given on marked price i.e. Discount= Marked Price-Sales Price

  • Overhead expenses

The additional expenses made after buying an article are called overhead expenses. These additional expenses are added in the cost price of the article i.e.
                        CP= Buying price + Overhead expenses

  • Sales tax

Sales tax is charged on the sale of an item by the government.
             Sales tax= tax% of Bill Amount

  • Compound interest

Compound interest is calculated on previous year’s amount.

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