SSC CGL Percentage Verified Practice Test 8

1. Population of a town is 15000. It increases by 10% annually. Population after 2 years is:

• A. 18000
• B. 18150 (Correct)
• C. 18200
• D. 18300

Explanation: 15000 × 1.1 × 1.1 = 15000 × 1.21 = 18150.

2. What percent of 250 is 75?

• A. 25%
• B. 28%
• C. 30% (Correct)
• D. 35%

Explanation: 75/250 × 100 = 30%.

3. A price increases by 20% then decreases by 20%. Net change is:

• A. 0%
• B. −4% (Correct)
• C. +4%
• D. −2%

Explanation: Net = 1.2 × 0.8 = 0.96, so −4%.

4. Income is ₹8000. Savings are 15%. What is expenditure?

• A. ₹6800 (Correct)
• B. ₹6600
• C. ₹6400
• D. ₹6200

Explanation: Savings = 1200. Expenditure = 8000−1200 = 6800.

5. A student scores 360 marks out of 500. Percentage is:

• A. 62%
• B. 68%
• C. 72% (Correct)
• D. 78%

Explanation: 360/500 × 100 = 72%.

6. If 20% of x is 80, what is x?

• A. 300
• B. 350
• C. 400 (Correct)
• D. 450

Explanation: x = 80 × 100/20 = 400.

7. X's salary is 20% less than Y's. Y's salary is what percent more than X's?

• A. 20%
• B. 25% (Correct)
• C. 30%
• D. 33.33%

Explanation: If X=80, Y=100. Y is more than X by 20/80×100=25%.

8. Population decreases by 5% per year. If current population is 40000, what was it 2 years ago?

• A. 44280
• B. 44289 (Correct)
• C. 44290
• D. 44300

Explanation: 40000 = P × 0.95^2 → P = 40000/0.9025 ≈ 44289.

9. What is 12.5% of 800?

• A. 80
• B. 90
• C. 100 (Correct)
• D. 110

Explanation: 12.5% = 1/8. 800/8 = 100.

10. Price rises 10% in year 1 and 10% in year 2. Effective rise over 2 years is:

• A. 20%
• B. 21% (Correct)
• C. 22%
• D. 23%

Explanation: 1.1 × 1.1 = 1.21 → 21% rise.

11. In an election, candidate A got 55% of valid votes. B got 1800 votes. Total valid votes were:

• A. 3600
• B. 3800
• C. 4000 (Correct)
• D. 4200

Explanation: B got 45%. 45% = 1800 → Total = 4000.

12. Salary of a worker increases by 20% and then decreases by 20%. Net change:

• A. No change
• B. 4% decrease (Correct)
• C. 4% increase
• D. 2% decrease

Explanation: 1.2 × 0.8 = 0.96 → 4% decrease.

13. A student needs 40% to pass. He gets 200 marks and fails by 20 marks. Max marks:

• A. 500
• B. 550 (Correct)
• C. 600
• D. 650

Explanation: Pass marks=220. 40% of max=220 → max=550.

14. 3/8 expressed as a percentage is:

• A. 30.5%
• B. 37.5% (Correct)
• C. 33.5%
• D. 38.5%

Explanation: 3/8 × 100 = 37.5%.

15. Population of a village was 10000. It grew 10% in year 1 and fell 10% in year 2. Final population:

• A. 9800
• B. 9900 (Correct)
• C. 10000
• D. 10100

Explanation: 10000×1.1×0.9 = 9900.