20 + Percentage Questions and Answers | Quantitative Aptitude

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Percentage Questions

Percentage questions are an important part of quantitative aptitude section in UPSC Prelims, banking exams like SBI PO, SBI Clerk, RBI Assistant, IBPS RRB and also CAT Exam

It is one of the foundational subjects that forms the knowledge base for other quantitative aptitude topics. As the idea of percentage makes it easier to solve complicated problems, candidates should become familiar with all of its fundamental ideas.

Start your preparation by solving these percentage practice questions. In this blog, we will go over the fundamentals of percentage questions, as well as the types of questions asked in previous year exams and how to approach them. This will help you clarify your basics and answer these percentage questions.

What is Percentage? What are Percentage Questions? 

A percentage is a figure or a ratio that is given in fractions of 100. “%” is used as the percentage sign to indicate it. The percentage is denoted by the acronym “pct” or “pc”. Put differently, the percent or percentage is calculated at a value of approximately 100 and represents the proportion of one quantity made up of another.

Percentage Formula: How to Calculate a Percentage?

Percentage, % = (Actual Value / Total Value) × 100

Must Read: 20 + Partnership Problems and Answers | Quantitative Aptitude

20 + Percentage Questions for Practice

Here are 20+ Percentage practice questions for students to get started:

  1. What is 30% of 150?

a. 45

b. 50

c. 55

d. 60
Answer: a. 45

  1. If the price of a shirt is reduced by 20%, and now it costs Rs. 800, what was its original price?

a. Rs. 1,000

b. Rs. 960

c. Rs. 900

d. Rs. 1,200
Answer: a. Rs. 1,000

  1. If a number is increased by 25% and the result is 125, what is the original number?

a. 100

b. 120

c. 140

d. 150
Answer: b. 120

  1. A laptop is on sale for 15% off its original price of Rs. 40,000. What is the discounted price?

a. Rs. 32,000

b. Rs. 34,000

c. Rs. 36,000

d. Rs. 38,000
Answer: c. Rs. 36,000

  1. If 20% of a number is 40, what is 30% of the same number?

a. 45

b. 50

c. 60

d. 70
Answer: c. 60

  1. The population of a city increased from 800,000 to 1,000,000. What is the percentage increase?

a. 20%

b. 25%

c. 30%

d. 35%
Answer: a. 20%

  1. If a salary is increased by 10% and then decreased by 5%, what is the net change in the salary?

a. 5% increase

b. 5% decrease

c. No change

d. 1% decrease
Answer: c. No change

  1. If the length of a rectangle is increased by 15% and the width is decreased by 10%, what is the net change in the area?

a. 5% increase

b. 5% decrease

c. 2.5% increase

d. No change
Answer: b. 5% decrease

  1. If the original price of a product is Rs. 500, and it is discounted by 25%, what is the final price?

a. Rs. 375

b. Rs. 400

c. Rs. 425

d. Rs. 450
Answer: a. Rs. 375

  1. If the selling price of an item is Rs. 450 and it is sold at a loss of 10%, what is the cost price?

a. Rs. 500

b. Rs. 480

c. Rs. 420

d. Rs. 400
Answer: b. Rs. 480

  1. If the numerator of a fraction is increased by 20% and the denominator is increased by 25%, what is the net change in the fraction?

a. 5% increase

b. 5% decrease

c. 2.5% increase

d. No change
Answer: a. 5% increase

  1. The population of a town decreased from 60,000 to 54,000. What is the percentage decrease?

a. 5%

b. 10%

c. 9%

d. 15%
Answer: b. 10%

  1. If the price of a book is increased by 12%, and now it costs Rs. 224, what was its original price?

a. Rs. 200

b. Rs. 210

c. Rs. 220

d. Rs. 230
Answer: c. Rs. 220

  1. The value of a car depreciated by 15% in the first year and 10% in the second year. What is the total percentage depreciation over the two years?

a. 23.5%

b. 24%

c. 25%

d. 25.5%
Answer: a. 23.5%

  1. If 25% of a number is 30, what is 50% of the same number?

a. 40

b. 50

c. 60

d. 70
Answer: c. 60

  1. A company increased the salaries of its employees by 8%. If an employee’s original salary was Rs. 25,000, what is the new salary?

a. Rs. 26,000

b. Rs. 26,500

c. Rs. 27,000

d. Rs. 27,500
Answer: b. Rs. 26,500

  1. If the marked price of an item is Rs. 600 and it is sold at a discount of 20%, what is the selling price?

a. Rs. 480

b. Rs. 520

c. Rs. 540

d. Rs. 580
Answer: d. Rs. 580

  1. A student scored 75% in the first exam and 80% in the second exam. What is the average percentage score?

a. 77.5%

b. 78%

c. 78.5%

d. 79%
Answer: c. 78.5%

  1. If a commodity’s price increased by 30% and then decreased by 20%, what is the net change in percentage?

a. 6% increase

b. 6% decrease

c. 10% increase

d. 10% decrease
Answer: a. 6% increase

  1. The attendance at a seminar increased from 200 to 250. What is the percentage increase?

a. 20%

b. 25%

c. 30%

d. 40%
Answer: b. 25%

  1. If a shirt is discounted by 15% and now costs Rs. 850, what was its original price?

a. Rs. 950

b. Rs. 1,000

c. Rs. 1,020

d. Rs. 900
Answer: a. Rs. 950

Tips to Solve Percentage Questions 

Following are some tips to solve partnership questions-

  • Familiarize yourself with terms like profit-sharing ratio, loss-sharing ratio, and capital contribution.
  • Practice calculating ratios based on investments or profit-sharing agreements.
  • Learn how to use the weighted average method to determine individual contributions to the overall profit or loss.

Also Read: 20 + Average Questions and Answers | Quantitative Aptitude


How can I quickly calculate percentages without a calculator?

Learn key percentage conversions, such as 1% being equal to 0.01, and practice mental calculations.

What is the difference between percentage increase and percentage decrease?

Percentage increase represents the growth from the original value, while percentage decrease represents the reduction.

How do I calculate compound interest using percentages?

To calculate compound interest, the formula is as follows: The final amount (A) equals the principal (P) multiplied by one plus the rate of interest (r) divided by 100, all raised to the power of the number of compounding periods (n).


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