Simplification and percentage calculations. - Question Bank

1. Simplify: 75 - [25 + (20 / 4) * 3]
A) 30
B) 35
C) 40
D) 45
2. Calculate: 50% of 80 + 20% of 50
A) 40
B) 50
C) 60
D) 70
3. What is 25% of 320?
A) 70
B) 80
C) 90
D) 100
4. Simplify: 100 / (2 * 5) + 10
A) 15
B) 20
C) 25
D) 30
5. If a number is increased by 50%, it becomes 150. What is the original number?
A) 90
B) 100
C) 110
D) 120
6. What is 1/5 as a percentage?
A) 5%
B) 10%
C) 15%
D) 20%
7. Simplify: 3 * [10 + (18 - 6) / 2]
A) 30
B) 36
C) 42
D) 48
8. If 75% of a quantity is 150, what is the quantity?
A) 180
B) 190
C) 200
D) 210
9. Calculate: (5/6) + (1/3) as a decimal.
A) 0.83
B) 0.85
C) 0.90
D) 1.00
10. What is 0.125 expressed as a percentage?
A) 1.25%
B) 12.5%
C) 125%
D) 0.125%
11. If a price is Rs. 200 and it is discounted by 15%, what is the discount amount?
A) Rs. 20
B) Rs. 25
C) Rs. 30
D) Rs. 35
12. Simplify: 8 * (9 - 4) + 20 / 4
A) 40
B) 45
C) 50
D) 55
13. What is 3/5 as a percentage?
A) 30%
B) 50%
C) 60%
D) 75%
14. A number is increased by 10% and then decreased by 10%. What is the net percentage change?
A) 1% increase
B) 1% decrease
C) No change
D) 2% decrease
15. Simplify: 100 - [50 - (30 / 5) * 4]
A) 26
B) 74
C) 80
D) 90
16. Calculate: 20% of 300 - 10% of 100
A) 40
B) 50
C) 60
D) 70
17. If 60% of a number is 120, what is the number?
A) 180
B) 200
C) 220
D) 240
18. Simplify: (1/2) * (2/3) * (3/4)
A) 1/4
B) 1/3
C) 1/2
D) 3/4
19. What is 0.75 expressed as a percentage?
A) 7.5%
B) 75%
C) 750%
D) 0.75%
20. If a cost price is Rs. 500 and it is sold for Rs. 600, what is the percentage profit?
A) 10%
B) 15%
C) 20%
D) 25%
21. Simplify: 15 + (24 / 6) * 3 - 5
A) 15
B) 22
C) 26
D) 30
22. What is 40% of 150?
A) 50
B) 60
C) 70
D) 80
23. Calculate: (1/3) + (1/6) as a decimal.
A) 0.33
B) 0.50
C) 0.67
D) 0.75
24. If a number is decreased by 15%, it becomes 85. What is the original number?
A) 95
B) 100
C) 105
D) 110
25. Simplify: 50% of 200 + 25% of 100
A) 100
B) 115
C) 125
D) 150
26. What fraction is equivalent to 62.5%?
A) 1/2
B) 3/4
C) 5/8
D) 7/10
27. If the price of an item increases by 25%, what is the new price if the original price was Rs. 400?
A) Rs. 450
B) Rs. 475
C) Rs. 500
D) Rs. 525
28. Simplify: 2 * [5 + (12 - 3) / 3]
A) 10
B) 12
C) 14
D) 16
29. What is 150% of 60?
A) 80
B) 90
C) 100
D) 120
30. A number is multiplied by 5 and then 10 is subtracted from the result. If the final answer is 40, what is the original number?
A) 8
B) 9
C) 10
D) 11
31. Calculate the value of (3/5) - (1/2).
A) 1/10
B) 1/5
C) 1/2
D) 2/5
32. What is 0.05 expressed as a percentage?
A) 0.05%
B) 0.5%
C) 5%
D) 50%
33. If a quantity is reduced by 30%, it becomes 70. What was the original quantity?
A) 90
B) 100
C) 110
D) 120
34. Simplify: 25 - [10 + (15 / 3) * 2]
A) 5
B) 10
C) 15
D) 20
35. What is 1/8 as a percentage?
A) 8%
B) 10%
C) 12.5%
D) 15%
36. If a shopkeeper sells an item for Rs. 120 at a 20% profit, what was the cost price?
A) Rs. 96
B) Rs. 100
C) Rs. 105
D) Rs. 110
37. Simplify: (6 + 4) * (10 - 5) / 2
A) 10
B) 20
C) 25
D) 30
38. Calculate: 12.5% of 400
A) 40
B) 50
C) 60
D) 70
39. What percentage is 30 minutes of 2 hours?
A) 15%
B) 20%
C) 25%
D) 30%
40. Simplify: 7 * (8 - 3) + 10 / 2
A) 35
B) 40
C) 42
D) 45
41. If 40% of a number is 80, what is the number?
A) 160
B) 180
C) 200
D) 220
42. What is the value of (2/5) * (3/4)?
A) 6/20
B) 5/9
C) 3/10
D) 1/2
43. A number is increased by 25% and then decreased by 20%. What is the net percentage change?
A) 0% increase
B) 5% decrease
C) 10% increase
D) 10% decrease
44. Simplify: 100 / (5 * 4)
A) 4
B) 5
C) 10
D) 20
45. What is 0.25 expressed as a percentage?
A) 2.5%
B) 25%
C) 250%
D) 0.25%
46. If a price is decreased by 10%, the new price is Rs. 90. What was the original price?
A) Rs. 95
B) Rs. 100
C) Rs. 105
D) Rs. 110
47. Simplify: 5 + (3 * 4) - 2
A) 10
B) 15
C) 18
D) 20
48. What is 75% of 80?
A) 50
B) 60
C) 70
D) 80
49. Calculate the value of (1/4) + (1/2) as a decimal.
A) 0.50
B) 0.75
C) 1.00
D) 1.25
50. If a number is increased by 20%, it becomes 120. What is the original number?
A) 90
B) 100
C) 110
D) 120
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