📝 Introduction
Percentage is one of the most important topics in quantitative aptitude and plays a crucial role in competitive exams exam preparation such as SSC, Banking, Railway, OSSSC, and UPSC. Questions from percentage are frequently asked in the exam test, either directly or indirectly through topics like profit & loss, simple interest, time & work, and data interpretation.
Understanding percentages is essential because it forms the foundation of many arithmetic concepts. A strong grasp of this topic helps candidates solve problems quickly and accurately. This is why regular practice of percentage MCQs with answers is highly recommended for all aspirants preparing for competitive exam preparation.
In this article, you will find carefully selected percentage questions and answers, along with explanations that make concepts easy to understand. These questions are designed as a practice test to improve your speed, accuracy, and confidence.
Pratice Now 👇🏻
🔥 Percentage Questions & Answers (MCQs)
For SSC, Banking, Railway, OSSSC, UPSC (My Real Practice Notes)
Percentage… this was one topic I was actually scared of 😅
When I first studied this, I kept forgetting formulas.
Then one senior told me:
👉 “Don’t learn formulas, understand basics + practice MCQs”
That changed everything.
🧠 Basic Idea (Very Important)
👉 Percentage means “out of 100”
- 50% = 50/100 = 1/2
- 25% = 1/4
- 10% = 1/10
💡 Simple trick:
Always convert percentage into fraction → calculation becomes easy
📊 Quick Conversion Table (Must Remember)
| Percentage | Fraction | Trick |
|---|---|---|
| 50% | 1/2 | Half |
| 25% | 1/4 | Quarter |
| 75% | 3/4 | 25×3 |
| 10% | 1/10 | Easy |
| 20% | 1/5 | Divide by 5 |
🧠 MCQs Practice
1. 20% of 200 = ?
A. 20
B. 30
C. 40
D. 50
Answer: C (40)
💡 Explanation: 20% = 1/5 → 200 ÷ 5 = 40
2. 50% of 80 = ?
Answer: 40
💡 Half of 80
3. 25% of 400 = ?
Answer: 100
💡 1/4 of 400
4. 10% of 500 = ?
Answer: 50
5. 75% of 200 = ?
Answer: 150
💡 3/4 × 200
6. What is 20% of 150?
Answer: 30
7. What is 30% of 200?
Answer: 60
8. 40% of 300 = ?
Answer: 120
9. 60% of 250 = ?
Answer: 150
10. 80% of 50 = ?
Answer: 40
11. What is 5% of 200?
Answer: 10
12. What is 15% of 100?
Answer: 15
13. What is 35% of 200?
Answer: 70
14. What is 90% of 100?
Answer: 90
15. What is 12% of 50?
Answer: 6
16. What is 18% of 200?
Answer: 36
17. What is 45% of 400?
Answer: 180
18. What is 70% of 300?
Answer: 210
19. What is 85% of 200?
Answer: 170
20. What is 95% of 100?
Answer: 95
🧠 Word Problems
21. A number increased by 20% becomes 120. Find number.
Answer: 100
💡 Trick: 120 ÷ 1.2 = 100
22. A number decreased by 10% becomes 90. Find number.
Answer: 100
23. Salary increased from 1000 to 1200. % increase?
Answer: 20%
24. Price reduced from 200 to 150. % decrease?
Answer: 25%
25. A number is increased by 50%. Result = 300. Find number.
Answer: 200
26. A number decreased by 20% becomes 80. Find number.
Answer: 100
27. Find 25% of 640.
Answer: 160
28. Find 75% of 800.
Answer: 600
29. Increase 200 by 10%.
Answer: 220
30. Decrease 500 by 20%.
Answer: 400
31. Find % increase from 50 to 75.
Answer: 50%
32. Find % decrease from 100 to 80.
Answer: 20%
33. A number is doubled. % increase?
Answer: 100%
34. A number becomes half. % decrease?
Answer: 50%
35. 60 is what % of 300?
Answer: 20%
36. 80 is what % of 200?
Answer: 40%
37. 45 is what % of 90?
Answer: 50%
38. 25 is what % of 100?
Answer: 25%
39. 120 is what % of 200?
Answer: 60%
40. 30 is what % of 150?
Answer: 20%
😅 My Biggest Mistake
I used to:
- Memorize formulas ❌
- Avoid practice ❌
- Fear word problems ❌
💡 What Helped Me
👉 Converting % to fraction
👉 Practicing daily
👉 Solving previous questions
🎯 My Simple Trick
- 50% = half
- 25% = divide by 4
- 10% = divide by 10
👉 Combine them for fast calculation
🤝 Real Example
In exam, instead of doing long calculation:
👉 20% of 250
I do → 10% = 25 → ×2 = 50
Fast and easy 👍
📊 Important Percentage Concepts
Before solving MCQs, revise these basics:
- Percentage (%) means “per hundred”
- Formula:
👉 Percentage = (Value / Total Value) × 100 - Increase % = (Increase / Original) × 100
- Decrease % = (Decrease / Original) × 100
👉 Example:
If a number increases from 50 to 60
Increase = 10
Percentage increase = (10/50) × 100 = 20%
📘 Percentage MCQs (Practice Set 1)
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 1 | What is 25% of 200? | 50 | (25/100) × 200 = 50 |
| 2 | 10% of 500 equals? | 50 | (10/100) × 500 |
| 3 | Increase 100 by 20% | 120 | 20% of 100 = 20 |
| 4 | 50 is what % of 200? | 25% | (50/200) × 100 |
| 5 | Decrease 80 by 25% | 60 | 25% of 80 = 20 |
🚀 Practice More Maths MCQs
🔵 Practice SSC Maths MCQs
📘 Percentage MCQs (Practice Set 2)
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 6 | 30% of 150 = ? | 45 | (30/100) × 150 |
| 7 | 200 increased by 10% = ? | 220 | 10% of 200 = 20 |
| 8 | 400 decreased by 20% = ? | 320 | 20% of 400 = 80 |
| 9 | 75 is what % of 300? | 25% | (75/300) × 100 |
| 10 | 60% of 250 = ? | 150 | Multiply |
📘 Percentage MCQs (Practice Set 3)
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 11 | 15% of 80 = ? | 12 | Simple multiplication |
| 12 | 90 is what % of 180? | 50% | Half value |
| 13 | 120 increased by 25% = ? | 150 | 25% = 30 |
| 14 | 500 decreased by 10% = ? | 450 | Reduce 50 |
| 15 | 45% of 200 = ? | 90 | Multiply |
📊 Advanced Percentage Questions
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 16 | If salary increases from 1000 to 1200, % increase? | 20% | Increase = 200 |
| 17 | Price decreases from 500 to 400, % decrease? | 20% | Decrease = 100 |
| 18 | 25% of x = 50, find x | 200 | Solve equation |
| 19 | What is 150% of 100? | 150 | More than 100% |
| 20 | 80% of 50 = ? | 40 | Multiply |
🚀 More Practice Sets
📘 Percentage MCQs (Practice Set 4)
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 21 | 35% of 200 = ? | 70 | Multiply |
| 22 | 250 increased by 20% = ? | 300 | Add 50 |
| 23 | 300 decreased by 10% = ? | 270 | Reduce 30 |
| 24 | 40 is what % of 80? | 50% | Half |
| 25 | 75% of 400 = ? | 300 | Multiply |
📘 Percentage MCQs (Practice Set 5)
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 26 | 10% of 90 = ? | 9 | Easy |
| 27 | 60 is what % of 120? | 50% | Half |
| 28 | 150 increased by 10% = ? | 165 | Add 15 |
| 29 | 500 decreased by 20% = ? | 400 | Reduce 100 |
| 30 | 25% of 80 = ? | 20 | Multiply |
🚀 More Maths Practice
📘 Percentage MCQs (Practice Set 6)
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 31 | 45% of 300 = ? | 135 | Multiply |
| 32 | 80 increased by 25% = ? | 100 | Add 20 |
| 33 | 600 decreased by 50% = ? | 300 | Half |
| 34 | 20 is what % of 50? | 40% | Solve |
| 35 | 90% of 100 = ? | 90 | Simple |
📊 Why Percentage is Important?
- Appears in almost every exam
- Used in profit & loss, SI, CI
- Helps in quick calculations
- Improves overall score
🎯 Exam Tips for Percentage
- Learn percentage to fraction conversions
- Practice mental math
- Focus on speed + accuracy
- Revise formulas daily
- Attempt mock tests
🚀 Final Practice Test
📘 Mixed Practice Questions
| Q | Question | Answer | Explanation |
|---|---|---|---|
| 36 | 5% of 200 = ? | 10 | Multiply |
| 37 | 300 increased by 15% = ? | 345 | Add 45 |
| 38 | 400 decreased by 25% = ? | 300 | Reduce 100 |
| 39 | 70 is what % of 140? | 50% | Half |
| 40 | 125% of 80 = ? | 100 | Multiply |
📊 Key Takeaways
- Percentage is a high-scoring topic
- Practice daily MCQs
- Focus on basics first
- Use shortcut tricks
- Attempt online tests regularly
🎯 Conclusion
Percentage is one of the easiest and most scoring topics in competitive exam preparation if practiced regularly. This percentage MCQ practice set helps you build a strong foundation and improve your problem-solving skills.
Make sure to revise formulas, practice daily, and attempt multiple practice tests to improve your speed and accuracy. With consistent effort, you can easily score high marks in the quantitative aptitude section.
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