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Examples Ratios Proportion- 1 Video Lecture - for Grade 7
FAQs on Examples: Ratios Proportion- 1
| 1. What is a ratio in mathematics? |  |
Ans. A ratio is a comparison of two or more numbers, quantities, or values. It represents how one quantity is related to another and is commonly expressed using a colon or as a fraction.
| 2. How do you simplify a ratio? | |
Ans. To simplify a ratio, you need to find the greatest common divisor (GCD) of the numbers in the ratio. Divide both the numerator and denominator of the ratio by their GCD to obtain the simplified form.
| 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 two ratios are equal. In other words, a proportion is a statement that two ratios are equivalent.
| 4. How can ratios be used in real-life situations? | |
Ans. Ratios can be used in various real-life situations, such as cooking recipes (ingredient proportions), financial analysis (e.g., debt-to-equity ratio), and sports statistics (e.g., scoring efficiency ratio).
| 5. How do you solve proportion problems? | |
Ans. To solve proportion problems, you can use the cross-multiplication method. Multiply the numerator of the first ratio by the denominator of the second ratio, and vice versa. Equate the two products obtained and solve the resulting equation to find the unknown value.
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