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Introduction: Percentages Video Lecture | UPSC CSAT: Crash Course (English)

Q: 3. Can you provide an example of a percentage-based question in the UPSC exam?

Ans. Sure! Here's an example: 'If the price of a commodity increased by 20% and then decreased by 10%, what is the overall percentage change in price?' To solve this, you can use the formula: [(increase - decrease) / original value] * 100. So, in this case, the overall percentage change would be [(20 - 10) / 100] * 100 = 10%.

FAQs on Introduction: Percentages Video Lecture - UPSC CSAT: Crash Course (English)

1. What is the importance of percentages in the UPSC exam?

Ans. Percentages are an important topic in the UPSC exam as they are widely used to analyze data and make comparisons. Understanding percentages is crucial for solving questions related to economics, statistics, and other subjects in the exam.

2. How can I improve my understanding of percentages for the UPSC exam?

Ans. To improve your understanding of percentages for the UPSC exam, you can start by practicing basic percentage calculations and conversions. Additionally, solving previous year question papers and taking mock tests will help you familiarize yourself with the different types of percentage-based problems that may appear in the exam.

3. Can you provide an example of a percentage-based question in the UPSC exam?

Ans. Sure! Here's an example: "If the price of a commodity increased by 20% and then decreased by 10%, what is the overall percentage change in price?" To solve this, you can use the formula: [(increase - decrease) / original value] * 100. So, in this case, the overall percentage change would be [(20 - 10) / 100] * 100 = 10%.

4. Are there any shortcuts or tricks to quickly solve percentage-based questions in the UPSC exam?

Ans. Yes, there are some shortcuts that can help you solve percentage-based questions more quickly. One such shortcut is the concept of fractional equivalents of percentages. For example, 50% is equal to 1/2, 25% is equal to 1/4, and so on. These equivalences can make calculations easier and save time during the exam.

5. What are some common misconceptions or errors students make while dealing with percentages in the UPSC exam?

Ans. One common misconception is assuming that percentage change and percentage points are the same. Percentage change refers to the relative change in a value, while percentage points refer to the difference between two percentages. It's important to understand the distinction between these two concepts to avoid errors while solving percentage-based questions in the UPSC exam.

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Sep 23, 2025 Last updated

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