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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 467 · 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 51. When one more number is added, the average becomes 54. What number was added?
  2. 2.The average of 9 numbers is 48. When one more number is added, the average becomes 54. What number was added?
  3. 3.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Sneha’s batting average after 9 innings is 33 runs. How many runs must Sneha score in the next innings to raise the average to 35?
  5. 5.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 12 children is 46 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 8 children is 35 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 83, 63, 76, 66. What is their average mark?
  9. 9.A shop sells an average of 38 kg of sugar a day for 2 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.A shop sells an average of 69 kg of sugar a day for 6 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average weight of 7 children is 36 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 6 friends in a quiz: 97, 98, 92, 73, 92, 58. What is their average mark?
  14. 14.The average of 4 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  15. 15.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 9 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  18. 18.The average of 4 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  19. 19.Marks of 6 friends in a quiz: 23, 22, 17, 35, 27, 50. What is their average mark?
  20. 20.A shop sells an average of 20 kg of sugar a day for 4 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Isha’s batting average after 11 innings is 20 runs. How many runs must Isha score in the next innings to raise the average to 24?
  22. 22.The average of 5 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  23. 23.Marks of 6 friends in a quiz: 39, 30, 27, 34, 34, 76. What is their average mark?
  24. 24.The average of 5 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  25. 25.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Kabir’s batting average after 13 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  27. 27.The average of 7 numbers is 44. When one more number is added, the average becomes 46. What number was added?
  28. 28.The average of 5 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  29. 29.The average of 5 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  30. 30.Aditya’s batting average after 14 innings is 46 runs. How many runs must Aditya score in the next innings to raise the average to 51?
  31. 31.Marks of 4 friends in a quiz: 75, 71, 71, 99. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 33, 47, 35, 43, 25, 39. What is their average mark?
  33. 33.Farhan’s batting average after 6 innings is 36 runs. How many runs must Farhan score in the next innings to raise the average to 37?
  34. 34.Meera’s batting average after 10 innings is 21 runs. How many runs must Meera score in the next innings to raise the average to 26?
  35. 35.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 5 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  37. 37.The average of 9 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  38. 38.The average of 5 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  39. 39.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 4 numbers is 41. When one more number is added, the average becomes 46. What number was added?

Answer key

  1. 66
  2. 108
  3. 36
  4. 53
  5. 31
  6. 45
  7. 33
  8. 72
  9. 56
  10. 65
  11. 33
  12. 28
  13. 85
  14. 71
  15. 43
  16. 28
  17. 81
  18. 57
  19. 29
  20. 37
  21. 68
  22. 85
  23. 40
  24. 87
  25. 40
  26. 76
  27. 60
  28. 52
  29. 77
  30. 121
  31. 79
  32. 37
  33. 43
  34. 76
  35. 27
  36. 41
  37. 89
  38. 49
  39. 30
  40. 66

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