SSC CGL Percentage Practice Test 1

15 percentage questions on increase-decrease, expenditure, marks, and population-style arithmetic.

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SSC CGL Practice Session

SSC CGL Percentage Practice Test 1

15 percentage questions on increase-decrease, expenditure, marks, and population-style arithmetic.

Questions

Marking

+2 correct, -0.5 wrong

Format

15-question ad-supported session

Preview all 15 questions in SSC CGL Percentage Practice Test 1 (no login required)

Basic Percentage
1. 25% of 200 is:
- A. 25
- B. 40
- C. 50 (Correct)
- D. 60
Explanation: 25% = 1/4, so 1/4 of 200 is 50.
Increase
2. A number is increased by 20%. If it becomes 120, the original number was:
- A. 90
- B. 95
- C. 100 (Correct)
- D. 110
Explanation: 120% corresponds to 120, so 100% is 100.
Decrease
3. A price is reduced from 500 to 450. The percentage decrease is:
- A. 5%
- B. 10% (Correct)
- C. 12%
- D. 15%
Explanation: Decrease = 50, so percentage decrease = 50/500 × 100 = 10%.
Successive Change
4. A number is increased by 10% and then by 20%. The net increase is:
- A. 28%
- B. 30%
- C. 32% (Correct)
- D. 35%
Explanation: Take 100 → 110 → 132, so net increase is 32%.
Marks
5. A student secures 180 marks out of 240. His percentage is:
- A. 70%
- B. 72%
- C. 75% (Correct)
- D. 80%
Explanation: 180/240 × 100 = 75%.
Reverse Percentage
6. After a 25% increase, a salary becomes 25,000. Original salary was:
- A. 18,000
- B. 19,000
- C. 20,000 (Correct)
- D. 21,000
Explanation: 125% = 25,000, so 100% = 20,000.
Population
7. If a town population increases from 80,000 to 88,000, the increase percent is:
- A. 8%
- B. 10% (Correct)
- C. 12%
- D. 15%
Explanation: Increase = 8,000, so 8,000/80,000 × 100 = 10%.
Expenditure
8. Income increases by 20% and expenditure by 10%. If savings become 35% more, the original expenditure was what percent of income?
- A. 50%
- B. 60% (Correct)
- C. 70%
- D. 80%
Explanation: Let income = 100 and expenditure = x. Savings = 100 - x. New savings = 120 - 1.1x = 1.35(100 - x). Solving: 120 - 1.1x = 135 - 1.35x, so 0.25x = 15, giving x = 60.
Comparison
9. If A is 25% more than B, then B is less than A by:
- A. 20% (Correct)
- B. 25%
- C. 30%
- D. 33.33%
Explanation: If B = 100, A = 125. So B is 25 less than 125, i.e. 20% less than A.
Percentage Fraction
10. 12.5% is equal to:
- A. 1/2
- B. 1/4
- C. 1/8 (Correct)
- D. 1/16
Explanation: 12.5% = 12.5/100 = 1/8.
Increase-Decrease
11. A number is first increased by 25% and then decreased by 20%. The net effect is:
- A. 0% (Correct)
- B. 5% increase
- C. 5% decrease
- D. 10% decrease
Explanation: 100 → 125 → 100, so net effect is zero.
Profit Percentage Link
12. If the cost price is 400 and profit is 80, profit percent is:
- A. 10%
- B. 15%
- C. 20% (Correct)
- D. 25%
Explanation: 80/400 × 100 = 20%.
Pass Percentage
13. In an exam, a student gets 36% and fails by 8 marks, while another gets 44% and passes by 8 marks. Maximum marks are:
- A. 150
- B. 160
- C. 175
- D. 200 (Correct)
Explanation: Difference in percentage = 8%, difference in marks = 16. So 100% = 16/8 × 100 = 200.
Successive Percentage Change
14. A value is decreased by 20% and then by 10%. Net decrease is:
- A. 28% (Correct)
- B. 30%
- C. 32%
- D. 35%
Explanation: 100 → 80 → 72, so net decrease is 28%.
Base Change
15. If x is 40% of y, then y is what percent of x?
- A. 150%
- B. 200%
- C. 250% (Correct)
- D. 300%
Explanation: If x = 40 and y = 100, then y/x × 100 = 250%.