COMPARING QUANTITY CHAPTER 7
Автор: GURU VIDYA CLASSES 9 & 10
Загружено: 2025-12-11
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class 8 Chapter -7
*Comparing Quantities* helps us understand how to compare different values in mathematics. In this chapter, we learn important concepts like ratios, proportions, percentages, discounts, and simple and compound interest. Ratios show the relationship between two quantities, while proportions help us identify equal ratios. Percentages allow us to compare quantities out of 100, which is useful in real-life situations like shopping discounts, profit and loss, and tax calculations. The chapter also explains how interest is calculated on money over time. Overall, it teaches practical methods to compare and calculate changes in quantities in everyday life.
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