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Comparing Quantities - 3 Video Lecture | Mathematics for Grade 8
FAQs on Comparing Quantities - 3 Video Lecture - Mathematics for Grade 8
| 1. What is the concept of comparing quantities? |  |
Ans. Comparing quantities is the process of evaluating and analyzing the relationship between two or more quantities. It involves comparing their values, finding the difference or ratio between them, and determining which quantity is greater or smaller.
| 2. How can we compare quantities using ratios? | |
Ans. Ratios are used to compare quantities by expressing the relationship between their values. To compare using ratios, we divide one quantity by another and express it as a fraction or ratio. By comparing the resulting ratios, we can determine which quantity is greater or smaller.
| 3. What is the significance of unitary method in comparing quantities? | |
Ans. The unitary method is a mathematical technique that is often used in comparing quantities. It helps in finding the value of one unit and then using that value to find the value of a given number of units. This method allows for easy comparisons between different quantities by finding a common unit of measurement.
| 4. How do we compare quantities using percentages? | |
Ans. Percentages are a common way to compare quantities. To compare using percentages, we convert the quantities into percentages by expressing them as a fraction of 100. By comparing the resulting percentages, we can determine the relative sizes of the quantities.
| 5. What are some practical applications of comparing quantities in daily life? | |
Ans. Comparing quantities has various practical applications in daily life. For example, it can be used to compare prices of products to find the best deal, compare the sizes or quantities of different items, or analyze data to identify trends or patterns. It is also used in financial calculations, such as comparing interest rates or calculating discounts.
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