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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 302 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.The average of 4 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  2. 2.Marks of 6 friends in a quiz: 18, 27, 37, 16, 24, 46. What is their average mark?
  3. 3.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 5 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  5. 5.Diya’s batting average after 15 innings is 29 runs. How many runs must Diya score in the next innings to raise the average to 33?
  6. 6.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Rohan’s batting average after 8 innings is 33 runs. How many runs must Rohan score in the next innings to raise the average to 38?
  9. 9.The average of 9 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  10. 10.A shop sells an average of 38 kg of sugar a day for 2 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  11. 11.The average weight of 11 children is 27 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Nisha’s batting average after 5 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  13. 13.The average of 6 numbers is 49. When one more number is added, the average becomes 55. What number was added?
  14. 14.The average of 4 numbers is 21. When one more number is added, the average becomes 24. What number was added?
  15. 15.The average of 5 numbers is 51. When one more number is added, the average becomes 52. What number was added?
  16. 16.A shop sells an average of 24 kg of sugar a day for 3 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  17. 17.The average weight of 6 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 10 children is 43 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 37 kg of sugar a day for 4 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Ishaan’s batting average after 8 innings is 27 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  23. 23.The average of 6 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  24. 24.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 6 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  26. 26.The average of 9 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  27. 27.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 77, 77, 85, 92, 54. What is their average mark?
  29. 29.The average weight of 11 children is 46 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 6 friends in a quiz: 72, 59, 69, 48, 63, 55. What is their average mark?
  31. 31.The average weight of 10 children is 41 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  33. 33.Saanvi’s batting average after 7 innings is 36 runs. How many runs must Saanvi score in the next innings to raise the average to 37?
  34. 34.Zoya’s batting average after 6 innings is 48 runs. How many runs must Zoya score in the next innings to raise the average to 52?
  35. 35.Marks of 6 friends in a quiz: 50, 57, 44, 54, 54, 47. What is their average mark?
  36. 36.A shop sells an average of 53 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.The average of 4 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  38. 38.Marks of 6 friends in a quiz: 64, 62, 50, 61, 47, 82. What is their average mark?
  39. 39.A shop sells an average of 68 kg of sugar a day for 5 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  40. 40.Marks of 5 friends in a quiz: 22, 32, 31, 44, 51. What is their average mark?

Answer key

  1. 65
  2. 28
  3. 25
  4. 69
  5. 93
  6. 30
  7. 42
  8. 78
  9. 83
  10. 59
  11. 25
  12. 54
  13. 91
  14. 36
  15. 57
  16. 28
  17. 34
  18. 38
  19. 40
  20. 34
  21. 38
  22. 36
  23. 40
  24. 27
  25. 64
  26. 72
  27. 26
  28. 77
  29. 43
  30. 61
  31. 40
  32. 63
  33. 44
  34. 76
  35. 51
  36. 58
  37. 45
  38. 61
  39. 48
  40. 36

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