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Problems on Percentages – 2 Video Lecture | Crash Course for SSC CGL (English)

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FAQs on Problems on Percentages – 2 Video Lecture - Crash Course for SSC CGL (English)

1. What is the formula to calculate percentage?
Ans. The formula to calculate percentage is (part/whole) * 100. It represents the part or portion of something in relation to the whole expressed as a fraction of 100.
2. How do I find the percentage increase or decrease between two numbers?
Ans. To find the percentage increase or decrease between two numbers, you need to subtract the initial number from the final number, divide the result by the initial number, and then multiply by 100. If the result is positive, it represents an increase, and if it is negative, it represents a decrease.
3. How can I calculate the percentage of a given number?
Ans. To calculate the percentage of a given number, you need to multiply the number by the percentage and then divide the result by 100. This will give you the percentage value of the given number.
4. How do I calculate the original value when the percentage increase or decrease is given?
Ans. To calculate the original value when the percentage increase or decrease is given, you need to divide the final value by 1 plus (percentage/100) if it is an increase or 1 minus (percentage/100) if it is a decrease. This will give you the original value before the increase or decrease.
5. How can I calculate the percentage of a quantity in relation to another quantity?
Ans. To calculate the percentage of a quantity in relation to another quantity, you need to divide the first quantity by the second quantity and then multiply the result by 100. This will give you the percentage value of the first quantity in relation to the second quantity.
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