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The document Mind Map: Ratio & Proportion | CSAT Preparation - UPSC is a part of the UPSC Course CSAT Preparation.
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FAQs on Mind Map: Ratio & Proportion - CSAT Preparation - UPSC

1. What is the definition of ratio and proportion?
Ans.A ratio is a comparison of two quantities expressed as a fraction, showing how many times one value contains or is contained within the other. Proportion, on the other hand, is an equation that states that two ratios are equal, indicating a relationship between the quantities.
2. How do you solve problems involving ratios?
Ans.To solve problems involving ratios, first, identify the quantities being compared and express them in their simplest form. Then, if necessary, use cross-multiplication to solve for unknown values or to compare different ratios.
3. What are some real-life applications of ratios and proportions?
Ans.Ratios and proportions are used in various real-life situations, such as cooking (adjusting recipes), finance (calculating interest rates), and in maps (scale representation). They also play a crucial role in business for comparing sales performance or demographics.
4. How can I convert a ratio into a percentage?
Ans.To convert a ratio into a percentage, divide the first number of the ratio by the sum of both numbers, then multiply the result by 100. This gives you the percentage that the first quantity represents out of the total.
5. What is the difference between direct and inverse proportion?
Ans.In direct proportion, as one quantity increases, the other quantity also increases, maintaining a constant ratio. In inverse proportion, as one quantity increases, the other decreases, also maintaining a constant product of the two quantities.
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