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Important Concepts of Percentages Video Lecture | Quantitative Aptitude (Quant) - CAT

184 videos|131 docs|111 tests

FAQs on Important Concepts of Percentages Video Lecture - Quantitative Aptitude (Quant) - CAT

1. What is the formula to calculate percentage?
Ans. To calculate percentage, you can use the formula: (Part/Whole) x 100.
2. How can percentages be used in everyday life?
Ans. Percentages are used in everyday life for calculating discounts, taxes, tips, grades, and measuring changes or growth in various quantities.
3. How do you convert a decimal to a percentage?
Ans. To convert a decimal to a percentage, multiply the decimal by 100. For example, 0.75 as a decimal would be 75% as a percentage.
4. What is the difference between percentage and percentage points?
Ans. Percentage refers to a proportion out of 100, while percentage points are the difference between two percentages. For example, if an interest rate increased from 3% to 5%, the change is 2 percentage points.
5. How can percentages be used to compare data sets?
Ans. Percentages can be used to compare data sets by converting the data into percentages and then analyzing the proportions of each set. This allows for easier comparison and understanding of the data.
184 videos|131 docs|111 tests

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