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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 150 · 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.Marks of 5 friends in a quiz: 66, 50, 61, 64, 54. What is their average mark?
  2. 2.Marks of 6 friends in a quiz: 97, 79, 77, 77, 77, 97. What is their average mark?
  3. 3.Marks of 6 friends in a quiz: 29, 47, 38, 35, 37, 72. What is their average mark?
  4. 4.A shop sells an average of 62 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Marks of 4 friends in a quiz: 58, 80, 70, 52. What is their average mark?
  6. 6.The average weight of 12 children is 47 kg. One child, who weighs 80 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 5 friends in a quiz: 74, 90, 89, 81, 56. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 33, 30, 21, 34, 47. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 43, 67, 44, 46, 48, 94. What is their average mark?
  11. 11.Kabir’s batting average after 12 innings is 47 runs. How many runs must Kabir score in the next innings to raise the average to 52?
  12. 12.Rohan’s batting average after 15 innings is 43 runs. How many runs must Rohan score in the next innings to raise the average to 47?
  13. 13.The average of 9 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  14. 14.The average weight of 7 children is 44 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 5 friends in a quiz: 66, 55, 63, 45, 71. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 67, 42, 64, 48, 64. What is their average mark?
  17. 17.The average of 8 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  18. 18.Manav’s batting average after 11 innings is 20 runs. How many runs must Manav score in the next innings to raise the average to 22?
  19. 19.The average weight of 7 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 9 children is 48 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 8 numbers is 44. When one more number is added, the average becomes 47. What number was added?
  22. 22.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 4 friends in a quiz: 58, 34, 54, 34. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 36, 52, 37, 67. What is their average mark?
  25. 25.A shop sells an average of 71 kg of sugar a day for 4 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.Aditya’s batting average after 10 innings is 36 runs. How many runs must Aditya score in the next innings to raise the average to 41?
  27. 27.Marks of 6 friends in a quiz: 86, 61, 78, 65, 75, 79. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 86, 71, 90, 97. What is their average mark?
  29. 29.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  31. 31.Nisha’s batting average after 5 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 49?
  32. 32.The average of 8 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  33. 33.Marks of 6 friends in a quiz: 98, 93, 84, 95, 90, 62. What is their average mark?
  34. 34.Meera’s batting average after 10 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 29?
  35. 35.The average of 5 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  36. 36.Marks of 6 friends in a quiz: 31, 33, 31, 47, 32, 54. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 51, 58, 50, 64, 92. What is their average mark?
  38. 38.Rohan’s batting average after 9 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 35?
  39. 39.The average weight of 9 children is 47 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Ananya’s batting average after 11 innings is 28 runs. How many runs must Ananya score in the next innings to raise the average to 29?

Answer key

  1. 59
  2. 84
  3. 43
  4. 48
  5. 65
  6. 44
  7. 26
  8. 78
  9. 33
  10. 57
  11. 112
  12. 107
  13. 76
  14. 41
  15. 60
  16. 57
  17. 59
  18. 44
  19. 36
  20. 45
  21. 71
  22. 26
  23. 45
  24. 48
  25. 73
  26. 91
  27. 74
  28. 86
  29. 34
  30. 90
  31. 54
  32. 44
  33. 87
  34. 59
  35. 65
  36. 38
  37. 63
  38. 44
  39. 45
  40. 40

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