CAT Exam > CAT Videos > Quantitative Aptitude (Quant) > Proportions - 2
Proportions - 2 Video Lecture | Quantitative Aptitude (Quant) - CAT
FAQs on Proportions - 2 Video Lecture - Quantitative Aptitude (Quant) - CAT
| 1. What are proportions in mathematics? |  |
Ans. In mathematics, proportions are relationships between two ratios. It is a comparison of two numbers or quantities, showing how they are related to each other.
| 2. How are proportions used in real life? | |
Ans. Proportions are commonly used in various real-life scenarios such as cooking recipes, calculating distances on maps, determining ingredient amounts in chemical mixtures, and in financial calculations like calculating taxes or discounts.
| 3. How do you solve proportions? | |
Ans. To solve a proportion, you can cross multiply or use the method of setting up equivalent fractions. Cross multiplying involves multiplying the numerator of one ratio by the denominator of the other ratio.
| 4. What is the difference between direct and inverse proportions? | |
Ans. In direct proportions, as one quantity increases, the other quantity also increases. Inverse proportions, on the other hand, have the property that as one quantity increases, the other quantity decreases.
| 5. Can proportions be used in geometry? | |
Ans. Yes, proportions are commonly used in geometry to compare lengths, areas, and volumes of geometric shapes. They can help determine similar triangles, find unknown sides of polygons, and solve various geometric problems.
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