TNPSC Group 1 - Simplification and percentage calculations. Online Test (MCQ Quiz)

1. What is the value of 15% of 200?

A) 20 B) 30 C) 40 D) 50

2. If a number is increased by 20%, it becomes 120. What is the original number?

A) 90 B) 100 C) 110 D) 120

3. Calculate the value of (1/4) + (1/2) as a decimal.

A) 0.50 B) 0.75 C) 1.00 D) 1.25

4. What is 75% of 80?

A) 50 B) 60 C) 70 D) 80

5. Simplify: 5 + (3 * 4) - 2

A) 10 B) 15 C) 18 D) 20

6. 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

7. What is 0.25 expressed as a percentage?

A) 2.5% B) 25% C) 250% D) 0.25%

8. Simplify: 100 / (5 * 4)

A) 4 B) 5 C) 10 D) 20

9. 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

10. What is the value of (2/5) * (3/4)?

A) 6/20 B) 5/9 C) 3/10 D) 1/2

11. If 40% of a number is 80, what is the number?

A) 160 B) 180 C) 200 D) 220

12. Simplify: 7 * (8 - 3) + 10 / 2

A) 35 B) 40 C) 42 D) 45

13. What percentage is 30 minutes of 2 hours?

A) 15% B) 20% C) 25% D) 30%

14. Calculate: 12.5% of 400

A) 40 B) 50 C) 60 D) 70

15. Simplify: (6 + 4) * (10 - 5) / 2

A) 10 B) 20 C) 25 D) 30

16. 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

17. What is 1/8 as a percentage?

A) 8% B) 10% C) 12.5% D) 15%

18. Simplify: 25 - [10 + (15 / 3) * 2]

A) 5 B) 10 C) 15 D) 20

19. If a quantity is reduced by 30%, it becomes 70. What was the original quantity?

A) 90 B) 100 C) 110 D) 120

20. What is 0.05 expressed as a percentage?

A) 0.05% B) 0.5% C) 5% D) 50%

21. Calculate the value of (3/5) - (1/2).

A) 1/10 B) 1/5 C) 1/2 D) 2/5

22. 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

23. What is 150% of 60?

A) 80 B) 90 C) 100 D) 120

24. Simplify: 2 * [5 + (12 - 3) / 3]

A) 10 B) 12 C) 14 D) 16

25. 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

26. What fraction is equivalent to 62.5%?

A) 1/2 B) 3/4 C) 5/8 D) 7/10

27. Simplify: 50% of 200 + 25% of 100

A) 100 B) 115 C) 125 D) 150

28. If a number is decreased by 15%, it becomes 85. What is the original number?

A) 95 B) 100 C) 105 D) 110

29. Calculate: (1/3) + (1/6) as a decimal.

A) 0.33 B) 0.50 C) 0.67 D) 0.75

30. What is 40% of 150?

A) 50 B) 60 C) 70 D) 80

31. Simplify: 15 + (24 / 6) * 3 - 5

A) 15 B) 22 C) 26 D) 30

32. 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%

33. What is 0.75 expressed as a percentage?

A) 7.5% B) 75% C) 750% D) 0.75%

34. Simplify: (1/2) * (2/3) * (3/4)

A) 1/4 B) 1/3 C) 1/2 D) 3/4

35. If 60% of a number is 120, what is the number?

A) 180 B) 200 C) 220 D) 240

36. Calculate: 20% of 300 - 10% of 100

A) 40 B) 50 C) 60 D) 70

37. Simplify: 100 - [50 - (30 / 5) * 4]

A) 26 B) 74 C) 80 D) 90

38. 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

39. What is 3/5 as a percentage?

A) 30% B) 50% C) 60% D) 75%

40. Simplify: 8 * (9 - 4) + 20 / 4

A) 40 B) 45 C) 50 D) 55

41. 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

42. What is 0.125 expressed as a percentage?

A) 1.25% B) 12.5% C) 125% D) 0.125%

43. Calculate: (5/6) + (1/3) as a decimal.

A) 0.83 B) 0.85 C) 0.90 D) 1.00

44. If 75% of a quantity is 150, what is the quantity?

A) 180 B) 190 C) 200 D) 210

45. Simplify: 3 * [10 + (18 - 6) / 2]

A) 30 B) 36 C) 42 D) 48

46. What is 1/5 as a percentage?

A) 5% B) 10% C) 15% D) 20%

47. If a number is increased by 50%, it becomes 150. What is the original number?

A) 90 B) 100 C) 110 D) 120

48. Simplify: 100 / (2 * 5) + 10

A) 15 B) 20 C) 25 D) 30

49. What is 25% of 320?

A) 70 B) 80 C) 90 D) 100

50. Calculate: 50% of 80 + 20% of 50

A) 40 B) 50 C) 60 D) 70

Simplification and percentage calculations. - Online Test

Test Results