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Problems on Percentages - 4 Video Lecture | Crash Course for SSC CGL (English)

FAQs on Problems on Percentages - 4 Video Lecture - Crash Course for SSC CGL (English)

1. What is the basic formula to calculate percentages?

Ans.The basic formula to calculate percentages is: Percentage = (Part/Whole) × 100. To find the percentage of a number, divide the part by the whole and then multiply by 100 to convert it into a percentage.

2. How do you find the percentage increase or decrease?

Ans.To find the percentage increase, use the formula: Percentage Increase = [(New Value - Old Value)/Old Value] × 100. For percentage decrease, the formula is: Percentage Decrease = [(Old Value - New Value)/Old Value] × 100. This helps in understanding how much a value has changed relative to its original value.

3. What are some common applications of percentages in everyday life?

Ans.Percentages are commonly used in various aspects of everyday life, such as calculating discounts during sales, determining tips in restaurants, understanding interest rates on loans and savings, and analyzing statistics in reports. They help in making informed financial decisions.

4. How can percentages be useful in SSC CGL exams?

Ans.In SSC CGL exams, percentages are essential as they frequently appear in quantitative aptitude sections. Questions may involve calculating profit and loss, determining ratios, or solving problems related to data interpretation. Mastering percentages can significantly improve problem-solving speed and accuracy.

5. What strategies can help improve understanding and calculations involving percentages?

Ans.Strategies to improve understanding of percentages include practicing with real-life examples, using visual aids like pie charts, and solving a variety of problems regularly. Additionally, learning to convert percentages to decimals and fractions can enhance flexibility in calculations.

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Oct 14, 2025 Last updated

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	Crash Course for SSC CGL (English) 758 videos\|6 docs\|6 tests

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