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Tips & Tricks: Percentages Video Lecture | CSAT Preparation - UPSC
FAQs on Tips & Tricks: Percentages Video Lecture - CSAT Preparation - UPSC
| 1. What is the formula to calculate percentage? |  |
Ans. The formula to calculate percentage is:
Percentage = (Part/Whole) x 100
Where "Part" is the number you want to find the percentage of, and "Whole" is the total number.
| 2. How do I convert a decimal to a percentage? | |
Ans. To convert a decimal to a percentage, you need to multiply the decimal by 100. For example, to convert 0.75 to a percentage, you would multiply 0.75 by 100, which gives you 75%.
| 3. How do I calculate percentage increase or decrease? | |
Ans. To calculate percentage increase or decrease, you need to use the following formula:
Percentage change = ((New value - Old value) / Old value) x 100
If the result is positive, it means there is an increase, and if the result is negative, it means there is a decrease.
| 4. How do I find the percentage of a number? | |
Ans. To find the percentage of a number, you need to multiply the number by the percentage as a decimal. For example, if you want to find 20% of 50, you would multiply 50 by 0.2, which gives you 10.
| 5. What is a percentage point? | |
Ans. A percentage point is a unit used to measure the difference between two percentages. For example, if the unemployment rate increased from 5% to 6%, that is a difference of one percentage point. It is important to note that a percentage point is not the same as a percentage.
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