Aptitude Topics

Percentage

Percentage is one of the most frequently asked topics in aptitude tests, Loksewa examinations, banking exams, IQ tests, and placement assessments. It is the foundation for solving Profit & Loss, Simple Interest, Compound Interest, Data Interpretation, and Ratio-based problems.

In this section, you will learn percentage concepts, formulas, shortcuts, solved examples, and practice questions designed to improve both speed and accuracy.

Practice Sets

Percentage Basics

Practice and master percentage basics concepts

Percentage Increase & Decrease

Practice and master percentage increase & decrease concepts

Successive Percentage

Practice and master successive percentage concepts

Population Problems

Practice and master population problems concepts

Exam Score Problems

Practice and master exam score problems concepts

Profit & Loss Applications

Practice and master profit & loss applications concepts

Data Interpretation Applications

Practice and master data interpretation applications concepts

Mixed Practice

Practice and master mixed practice concepts

Important Percentage Concepts

✓Percentage Basics

✓Converting Fractions to Percentages

✓Converting Decimals to Percentages

✓Percentage Increase & Decrease

✓Successive Percentage

✓Population Growth & Decline

✓Exam Score Problems

✓Profit & Loss Applications

✓Data Interpretation Applications

✓Mixed Percentage Problems

Quick Tricks for Percentage

Master percentage problems using these proven shortcuts:

→To find x% of a number, multiply and divide by 100
→Convert common fractions into percentages instantly (1/2 = 50%, 1/4 = 25%, 3/4 = 75%)
→Percentage increase = (Increase ÷ Original Value) × 100
→Percentage decrease = (Decrease ÷ Original Value) × 100
→Successive changes use multipliers instead of simple addition
→10% increase means multiply by 1.10
→20% decrease means multiply by 0.80
→Use approximation techniques for DI-based percentage calculations

Frequently Asked Questions

What is percentage?

Percentage means 'per hundred'. It represents a number as a fraction of 100 and is denoted by the symbol %.

How do I calculate percentage of a number?

Multiply the number by the required percentage and divide by 100. For example, 20% of 150 = (20 × 150) ÷ 100 = 30.

What is percentage increase?

Percentage increase measures how much a value has grown compared to its original value. Formula: (Increase ÷ Original Value) × 100.

What is percentage decrease?

Percentage decrease measures how much a value has reduced compared to its original value. Formula: (Decrease ÷ Original Value) × 100.

How do successive percentages work?

Successive percentage changes are applied one after another. Use multipliers such as 1.10 for a 10% increase and 0.90 for a 10% decrease.

Why is percentage important in aptitude exams?

Percentage is used extensively in Profit & Loss, Data Interpretation, Population, Interest, Ratio, and Exam Score problems, making it one of the most important aptitude topics.

Ready to Master Percentage?

Practice percentage basics, increase and decrease, successive percentages, and real-world applications through comprehensive question sets.

Start Practicing