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Introduction to Ratio - Ratio and Proportion Video Lecture | Quantitative Aptitude for SSC CGL

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FAQs on Introduction to Ratio - Ratio and Proportion Video Lecture - Quantitative Aptitude for SSC CGL

1. What is a ratio?
Ans. A ratio is a comparison between two or more quantities or numbers. It shows how many times one quantity is greater or smaller than another.
2. How is a ratio expressed?
Ans. A ratio is expressed using the symbol ":" (read as "is to"). For example, a ratio of 2:3 means that the first quantity is two times smaller than the second quantity.
3. What is the difference between a ratio and a proportion?
Ans. While a ratio compares two quantities, a proportion is an equation that states that two ratios are equal. In other words, a proportion is a statement that two ratios are in the same relationship.
4. How can ratios be simplified?
Ans. Ratios can be simplified by dividing both parts of the ratio by their greatest common divisor. This reduces the ratio to its simplest form.
5. How are ratios used in real-life situations?
Ans. Ratios are used in various real-life situations such as cooking recipes, financial calculations, and map scales. They provide a way to compare quantities and determine relative sizes or amounts.
333 videos|195 docs|244 tests

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