Quantitative Aptitude — Arithmetic
Practice 25 questions on Quantitative Aptitude for SSC CHSL. Covers percentages, profit-loss, SI/CI, time-work, speed-distance, mensuration and statistics.
Quantitative Aptitude — Arithmetic
Practice 25 questions on Quantitative Aptitude for SSC CHSL. Covers percentages, profit-loss, SI/CI, time-work, speed-distance, mensuration and statistics.
Preview all 25 questions in Quantitative Aptitude — Arithmetic (no login required)
- Quantitative Aptitude — Comparison
1. A is 20% more than B. B is what percent less than A?
- A. 15%
- B. 16.67% (Correct)
- C. 18%
- D. 20%
Explanation: If B = 100, A = 120. Difference as a percent of A is 20/120.
- Quantitative Aptitude — Basic Percent
2. What is 15% of 480?
- A. 60
- B. 66
- C. 72 (Correct)
- D. 78
Explanation: 480 × 15/100 = 72.
- Quantitative Aptitude — Percentage Increase
3. A number increases from 200 to 250. Percentage increase is:
- A. 20%
- B. 25% (Correct)
- C. 30%
- D. 35%
Explanation: Increase = 50, % = 50/200 × 100 = 25%.
- Quantitative Aptitude — Percentage Decrease
4. Price of an item falls from ₹600 to ₹480. Percentage decrease is:
- A. 15%
- B. 18%
- C. 20% (Correct)
- D. 25%
Explanation: Decrease = 120, % = 120/600 × 100 = 20%.
- Quantitative Aptitude — Expenditure
5. A family spends 40% of income on food, 25% on rent. What percent is left?
- A. 30%
- B. 35% (Correct)
- C. 40%
- D. 45%
Explanation: 100 − 40 − 25 = 35%.
- Quantitative Aptitude — Population
6. 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.
- Quantitative Aptitude — Basic Percent
7. What percent of 250 is 75?
- A. 25%
- B. 28%
- C. 30% (Correct)
- D. 35%
Explanation: 75/250 × 100 = 30%.
- Quantitative Aptitude — Successive Change
8. 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%.
- Quantitative Aptitude — Expenditure
9. 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.
- Quantitative Aptitude — Marks Percentage
10. A student scores 360 marks out of 500. Percentage is:
- A. 62%
- B. 68%
- C. 72% (Correct)
- D. 78%
Explanation: 360/500 × 100 = 72%.
- Quantitative Aptitude — Percentage Increase
11. If 20% of x is 80, what is x?
- A. 300
- B. 350
- C. 400 (Correct)
- D. 450
Explanation: x = 80 × 100/20 = 400.
- Quantitative Aptitude — Comparison
12. 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%.
- Quantitative Aptitude — Population
13. 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.
- Quantitative Aptitude — Basic Percent
14. What is 12.5% of 800?
- A. 80
- B. 90
- C. 100 (Correct)
- D. 110
Explanation: 12.5% = 1/8. 800/8 = 100.
- Quantitative Aptitude — Successive Change
15. 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.
- Quantitative Aptitude — Election
16. 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.
- Quantitative Aptitude — Salary
17. 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.
- Quantitative Aptitude — Marks
18. 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.
- Quantitative Aptitude — Percentage
19. 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%.
- Quantitative Aptitude — Population
20. 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.
- Quantitative Aptitude — Markup Discount
21. A shopkeeper marks an article 50% above cost price and gives two successive discounts of 10% and 20%. Find his profit percent.
- A. 6%
- B. 8% (Correct)
- C. 10%
- D. 12%
Explanation: Let CP = 100. MP = 150. SP = 150 x 0.9 x 0.8 = 108. Profit = 8%.
- Quantitative Aptitude — False Weight
22. A dealer sells goods at 5% loss but uses 900 g instead of 1 kg. Find his actual gain percent.
- A. 4.44%
- B. 5.56% (Correct)
- C. 6.25%
- D. 7.5%
Explanation: For goods costing Rs. 90, he receives 95% of Rs. 100 = Rs. 95. Gain = 5 on 90 = 5.56%.
- Quantitative Aptitude — Combined Transaction
23. A man sells two articles for Rs. 9,600 each. On one he gains 20% and on the other he loses 20%. Find overall loss.
- A. 2%
- B. 3%
- C. 4% (Correct)
- D. 5%
Explanation: Equal SP with equal gain/loss percent gives net loss = x^2/100 = 400/100 = 4%.
- Quantitative Aptitude — Cost Price
24. After selling an article at 18% profit, a trader receives Rs. 5,900. Find cost price.
- A. Rs. 4,800
- B. Rs. 5,000 (Correct)
- C. Rs. 5,200
- D. Rs. 5,400
Explanation: CP = 5900 x 100/118 = 5000.
- Quantitative Aptitude — Discount
25. An article is marked at Rs. 2,400. After a discount, it is sold for Rs. 2,040. Find the discount percent.
- A. 12%
- B. 15% (Correct)
- C. 18%
- D. 20%
Explanation: Discount = 360. Discount percent = 360/2400 x 100 = 15%.