1. What is 25% of 200?
A) 40
B) 45
C) 50
D) 60
Correct Answer: C
Explanation: 25% = 25/100 × 200 = 50
2. 40 is what percent of 160?
A) 20%
B) 25%
C) 30%
D) 40%
Correct Answer: B
Explanation: (40 ÷ 160) × 100 = 25%
3. Increase 500 by 10%.
A) 510
B) 525
C) 540
D) 550
Correct Answer: D
Explanation: 10% of 500 = 50 → 500 + 50 = 550
4. Decrease 800 by 15%.
A) 660
B) 680
C) 700
D) 720
Correct Answer: B
Explanation: 15% of 800 = 120 → 800 − 120 = 680
5. What is 12.5% of 640?
A) 70
B) 75
C) 80
D) 85
Correct Answer: C
Explanation: 12.5% = 1/8 → 640 ÷ 8 = 80
6. If the price increases from ₹400 to ₹500, find the percentage increase.
A) 20%
B) 22%
C) 25%
D) 30%
Correct Answer: C
Explanation: (100 ÷ 400) × 100 = 25%
7. A number is increased by 20% and becomes 240. What is the original number?
A) 180
B) 200
C) 210
D) 220
Correct Answer: B
Explanation: 240 ÷ 1.2 = 200
8. A number is reduced by 25% and becomes 150. Find the original number.
A) 180
B) 190
C) 200
D) 220
Correct Answer: C
Explanation: 150 ÷ 0.75 = 200
9. What percent of 50 is 5?
A) 5%
B) 8%
C) 10%
D) 12%
Correct Answer: C
Explanation: (5 ÷ 50) × 100 = 10%
10. Find 20% of 35% of 200.
A) 12
B) 14
C) 16
D) 18
Correct Answer: B
Explanation: 35% of 200 = 70 → 20% of 70 = 14
11. A student scores 360 out of 450. What is the percentage?
A) 75%
B) 78%
C) 80%
D) 82%
Correct Answer: C
Explanation: (360 ÷ 450) × 100 = 80%
12. What is 150% of 80?
A) 100
B) 110
C) 120
D) 130
Correct Answer: C
Explanation: 1.5 × 80 = 120
13. Population increases by 10% from 20,000. New population?
A) 21,000
B) 22,000
C) 23,000
D) 24,000
Correct Answer: B
14. Find the percentage decrease from 600 to 480.
A) 15%
B) 18%
C) 20%
D) 25%
Correct Answer: C
15. If 60% of a number is 180, find the number.
A) 240
B) 260
C) 280
D) 300
Correct Answer: D
16. What is 0.5% of 800?
A) 2
B) 3
C) 4
D) 5
Correct Answer: C
17. A salary increases by 10% and then decreases by 10%. Net result?
A) No change
B) 1% increase
C) 1% decrease
D) 2% decrease
Correct Answer: C
18. Percentage increase from 250 to 300 is:
A) 15%
B) 18%
C) 20%
D) 25%
Correct Answer: C
19. What is 75% of 160?
A) 100
B) 110
C) 120
D) 130
Correct Answer: C
20. Cost price = ₹800, loss = 10%. Selling price?
A) ₹700
B) ₹720
C) ₹740
D) ₹760
Correct Answer: B
21. A number increases by 50%. By what percent should it be decreased to return to original?
A) 25%
B) 30%
C) 33.33%
D) 40%
Correct Answer: C
22. 30 minutes is what percent of 2 hours?
A) 20%
B) 25%
C) 30%
D) 40%
Correct Answer: B
23. Find 10% of 10% of 1000.
A) 5
B) 8
C) 10
D) 15
Correct Answer: C
24. 40% of students are girls. If girls = 24, total students?
A) 40
B) 50
C) 60
D) 80
Correct Answer: C
25. A number increased by 25% becomes 500. Original number?
A) 350
B) 375
C) 400
D) 425
Correct Answer: C
26. Percentage value of 3/8 is:
A) 32.5%
B) 35%
C) 37.5%
D) 40%
Correct Answer: C
27. Petrol price decreases by 5% from ₹100. New price?
A) ₹90
B) ₹92
C) ₹95
D) ₹98
Correct Answer: C
28. A candidate fails by 22 marks with 45%. Pass percentage is 50%. Total marks?
A) 400
B) 420
C) 440
D) 460
Correct Answer: C
29. 18 is what percent of 72?
A) 20%
B) 22%
C) 25%
D) 30%
Correct Answer: C
30. A number increases by 10% and then 20%. Total increase?
A) 28%
B) 30%
C) 32%
D) 34%
Correct Answer: C
Explanation:
Net increase = 10 + 20 + (10×20)/100
= 32%
