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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 308 · 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: 99, 80, 102, 95, 64. What is their average mark?
  2. 2.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 5 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  4. 4.The average weight of 9 children is 45 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 5 numbers is 36. When one more number is added, the average becomes 40. What number was added?
  6. 6.The average of 4 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  7. 7.The average of 9 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  8. 8.The average of 5 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  9. 9.A shop sells an average of 64 kg of sugar a day for 2 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 62 kg of sugar a day for 3 days, and then 54 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  12. 12.The average of 4 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  13. 13.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 8 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  15. 15.The average weight of 6 children is 40 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 12 children is 39 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 11 children is 29 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 5 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  19. 19.Saanvi’s batting average after 6 innings is 26 runs. How many runs must Saanvi score in the next innings to raise the average to 27?
  20. 20.Marks of 5 friends in a quiz: 75, 66, 72, 47, 40. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 40, 24, 18, 20, 36, 42. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 88, 74, 67, 80, 86. What is their average mark?
  23. 23.The average weight of 5 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 6 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  25. 25.Ananya’s batting average after 7 innings is 22 runs. How many runs must Ananya score in the next innings to raise the average to 25?
  26. 26.Aarav’s batting average after 11 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 51?
  27. 27.Marks of 4 friends in a quiz: 58, 53, 63, 74. What is their average mark?
  28. 28.A shop sells an average of 36 kg of sugar a day for 2 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.The average weight of 12 children is 47 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Vivaan’s batting average after 15 innings is 37 runs. How many runs must Vivaan score in the next innings to raise the average to 40?
  32. 32.Saanvi’s batting average after 11 innings is 28 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
  33. 33.Manav’s batting average after 15 innings is 45 runs. How many runs must Manav score in the next innings to raise the average to 48?
  34. 34.The average of 7 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  35. 35.Tara’s batting average after 13 innings is 29 runs. How many runs must Tara score in the next innings to raise the average to 33?
  36. 36.Marks of 4 friends in a quiz: 31, 19, 35, 51. What is their average mark?
  37. 37.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 6 numbers is 36. When one more number is added, the average becomes 42. What number was added?
  39. 39.The average weight of 11 children is 48 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 7 numbers is 60. When one more number is added, the average becomes 65. What number was added?

Answer key

  1. 88
  2. 35
  3. 82
  4. 43
  5. 60
  6. 85
  7. 68
  8. 28
  9. 58
  10. 30
  11. 57
  12. 46
  13. 28
  14. 89
  15. 39
  16. 36
  17. 26
  18. 76
  19. 33
  20. 60
  21. 30
  22. 79
  23. 32
  24. 41
  25. 46
  26. 106
  27. 62
  28. 30
  29. 45
  30. 28
  31. 85
  32. 52
  33. 93
  34. 43
  35. 85
  36. 34
  37. 43
  38. 78
  39. 45
  40. 100

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