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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 472 · 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 5 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  2. 2.Ananya’s batting average after 7 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  3. 3.The average weight of 11 children is 36 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 4 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  5. 5.Marks of 4 friends in a quiz: 39, 41, 49, 83. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 65, 71, 59, 93. What is their average mark?
  7. 7.A shop sells an average of 36 kg of sugar a day for 2 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  8. 8.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Saanvi’s batting average after 15 innings is 25 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
  10. 10.The average weight of 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 89, 84, 63, 60. What is their average mark?
  12. 12.The average weight of 9 children is 36 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 9 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  14. 14.Marks of 6 friends in a quiz: 67, 43, 53, 67, 50, 32. What is their average mark?
  15. 15.The average of 9 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  16. 16.Marks of 6 friends in a quiz: 37, 46, 52, 65, 52, 54. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 75, 94, 67, 80. What is their average mark?
  18. 18.Marks of 5 friends in a quiz: 17, 5, 23, 20, 35. What is their average mark?
  19. 19.Marks of 6 friends in a quiz: 43, 43, 31, 41, 42, 16. What is their average mark?
  20. 20.The average weight of 12 children is 46 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Diya’s batting average after 9 innings is 24 runs. How many runs must Diya score in the next innings to raise the average to 28?
  22. 22.The average of 7 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  23. 23.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average of 7 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  25. 25.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 4 friends in a quiz: 45, 39, 26, 10. What is their average mark?
  27. 27.Diya’s batting average after 8 innings is 30 runs. How many runs must Diya score in the next innings to raise the average to 32?
  28. 28.The average of 6 numbers is 57. When one more number is added, the average becomes 60. What number was added?
  29. 29.Marks of 4 friends in a quiz: 68, 81, 78, 69. What is their average mark?
  30. 30.Marks of 6 friends in a quiz: 90, 90, 89, 75, 72, 52. What is their average mark?
  31. 31.Marks of 4 friends in a quiz: 44, 55, 34, 31. What is their average mark?
  32. 32.Kavya’s batting average after 15 innings is 44 runs. How many runs must Kavya score in the next innings to raise the average to 46?
  33. 33.The average of 8 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  34. 34.The average of 5 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  35. 35.The average of 4 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  36. 36.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 41, 64, 41, 50. What is their average mark?
  38. 38.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Manav’s batting average after 5 innings is 39 runs. How many runs must Manav score in the next innings to raise the average to 44?
  40. 40.A shop sells an average of 49 kg of sugar a day for 4 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?

Answer key

  1. 68
  2. 75
  3. 34
  4. 41
  5. 53
  6. 72
  7. 27
  8. 30
  9. 105
  10. 44
  11. 74
  12. 34
  13. 73
  14. 52
  15. 29
  16. 51
  17. 79
  18. 20
  19. 36
  20. 44
  21. 64
  22. 76
  23. 28
  24. 43
  25. 40
  26. 30
  27. 48
  28. 78
  29. 74
  30. 78
  31. 41
  32. 76
  33. 81
  34. 63
  35. 52
  36. 30
  37. 49
  38. 37
  39. 69
  40. 43

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