How should I approach NVS TGT Mathematics Percentage questions?

1. Understand the Basics:

• Definition of Percentage: A percentage is a way of expressing a number as a fraction of 100. It is denoted by the symbol %.
• Conversion: Be familiar with converting between percentages, decimals, and fractions. For instance, 25% can be written as 0.25 or 1/4.

2. Master Key Formulas:

• Percentage Formula: Percentage=PartWhole×100\text{Percentage} = \frac{\text{Part}}{\text{Whole}} \times 100Percentage=WholePart​×100
• Finding the Percentage of a Number: Part=Whole×Percentage100\text{Part} = \text{Whole} \times \frac{\text{Percentage}}{100}Part=Whole×100Percentage​
• Finding the Whole from the Percentage: Whole=Part×100Percentage\text{Whole} = \frac{\text{Part} \times 100}{\text{Percentage}}Whole=PercentagePart×100​
• Percentage Increase/Decrease: $\text{Increase/Decrease}=\text{New Value}-\text{Original Value}$ Percentage Increase/Decrease=Increase/DecreaseOriginal Value×100\text{Percentage Increase/Decrease} = \frac{\text{Increase/Decrease}}{\text{Original Value}} \times 100Percentage Increase/Decrease=Original ValueIncrease/Decrease​×100

3. Practice Common Types of Percentage Questions:

• Finding the Percentage: Questions might ask for a certain percentage of a number or how much a number is as a percentage of another number.
• Percentage Increase/Decrease: Problems involving changes in value, such as price increases or discounts.
• Successive Percentage Changes: Questions involving multiple percentage changes applied sequentially (e.g., successive discounts).
• Percentage Error: Calculating percentage error when comparing estimated values with actual values.

4. Use Real-Life Examples:

• Practice problems related to real-life scenarios such as discounts, interest rates, tax calculations, and population growth. This will help you understand how percentages are applied in various contexts.

5. Solve Practice Problems:

• Work through a variety of practice problems to reinforce your understanding and improve your problem-solving skills. Focus on problems of varying difficulty to build confidence.

6. Review Key Concepts Regularly:

• Regularly review the formulas and methods for solving percentage problems to ensure you retain the information and can apply it effectively.

7. Analyze and Break Down Complex Problems:

• For complex problems, break them down into simpler steps. Identify what is being asked, and use the percentage formulas accordingly.
• Draw diagrams or use tables if it helps visualize the problem better.

8. Time Management:

• Practice solving percentage problems within a set time limit to improve your speed and efficiency. This will help you manage your time effectively during the exam.

9. Check Your Work:

• After solving a problem, always double-check your calculations to ensure accuracy. Verify that your answer makes sense in the context of the problem.

10. Seek Guidance if Needed:

• If you encounter difficulties or have specific questions, don’t hesitate to seek help from teachers or tutors. Personalized guidance can provide valuable insights and clarify complex concepts.

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Best of luck with your preparation! With consistent practice and a solid understanding of percentage concepts, you’ll be well-prepared to tackle these questions in the NVS TGT Mathematics exam.

Regards,
Bansal Academy