Percentage Questions for SSC CGL: Practice MCQs, Formulas & Shortcuts

Percentage is a fundamental pillar of the SSC CGL Quantitative Aptitude syllabus. A firm grasp of these concepts is essential for solving complex problems in Profit and Loss, Simple and Compound Interest, Discounts, and Data Interpretation. Candidates who master these core percentage techniques can drastically reduce their calculation time and maximize their overall exam score.

Percentage Question and Answers For SSC CGL Exam

Q.1. A number is increased by 55.55% and then decreased by 16.66%. What is the net percentage change in the final value relative to the original number?

1. Decrease by 23.3%
2. Increase by 29.6%
3. Does not change
4. Decrease by 5%

Answer: B

Q.2. If each side of a cube is decreased by 12%, calculate the resultant percentage decrease in its total surface area.

1. 25.66%
2. 28.23%
3. 22.56%
4. 26.54%

Answer: C

Q.3. A number is first decreased by 18% and the resulting value is then increased by 25%. What is the overall percentage change compared to the original number?

1. Decrease by 2.5%
2. Increase by 3.5%
3. Increase by 2.5%
4. Decrease by 3.5%

Answer: C

Q.4. The price of a watch is reduced by 25% and subsequently increased by 50%. If the final price is Rs. 7,650, determine the original price of the watch.

1. 6,900
2. 6,500
3. 6,600
4. 6,800

Answer: D

Q.5. In an election involving two candidates, if one candidate received 40% of the total votes but lost by 892 votes, what was the total number of votes cast?

1. 2676 votes
2. 2576 votes
3. 2672 votes
4. 2675 votes

Answer: A

Q.6. In a constituency, 90% of registered voters cast their votes. Of those, 15% were declared invalid. If Jeeta secured 60% of the valid votes totaling 91,800, what is the total number of people on the electoral roll?

1. 216000
2. 225000
3. 180000
4. 200000

Answer: D

Q.7. A city has a current population of 125,000. If the population grows at a rate of 2% per annum, what will be the total population after 3 years?

1. 133512
2. 132651
3. 130896
4. 132165

Answer: B

Q.8. A village had a population of 30,000 in 2019. If the growth rates were 15% (2019-2020) and 25% (2020-2021), what was the population by 2021?

1. 42,000
2. 42,325
3. 42,523
4. 43,125

Answer: D

Q.9. A man earns ₹50,000 monthly. He spends 25% on tax, 30% of the remainder on household expenses, and 10% of the next remainder on entertainment. Calculate his total annual savings.

1. ₹2,83,050
2. ₹2,38,500
3. ₹2,83,500
4. ₹2,85,300

Answer: C

Q.10. If a fraction's numerator increases by 80% and the denominator increases by 120%, the resultant fraction is 7/22. What was the original fraction?

1. ​718187​​​
2. ​717177​​​
3. ​517175​​​
4. ​518185​​​

Answer: A

Expected Weightage in SSC CGL 2026

In the SSC CGL Tier 1 exam, you can expect 1–2 questions on percentages. Tier 2 (Paper 1) typically features 3–5 questions integrated with arithmetic and data analysis. Mastery of this topic is key to solving complex problems efficiently.