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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 23 · 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 4 friends in a quiz: 104, 84, 94, 74. What is their average mark?
  2. 2.Diya’s batting average after 12 innings is 25 runs. How many runs must Diya score in the next innings to raise the average to 27?
  3. 3.A shop sells an average of 40 kg of sugar a day for 3 days, and then 73 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.Marks of 6 friends in a quiz: 19, 20, 24, 17, 33, 67. What is their average mark?
  5. 5.The average of 5 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  6. 6.A shop sells an average of 40 kg of sugar a day for 2 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.A shop sells an average of 58 kg of sugar a day for 6 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  8. 8.Marks of 4 friends in a quiz: 66, 50, 59, 41. What is their average mark?
  9. 9.The average weight of 8 children is 45 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 9 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  11. 11.A shop sells an average of 67 kg of sugar a day for 5 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 80, 87, 77, 68. What is their average mark?
  13. 13.A shop sells an average of 63 kg of sugar a day for 3 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.The average of 4 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  15. 15.A shop sells an average of 44 kg of sugar a day for 2 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.A shop sells an average of 35 kg of sugar a day for 6 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.Kabir’s batting average after 6 innings is 36 runs. How many runs must Kabir score in the next innings to raise the average to 37?
  18. 18.Marks of 4 friends in a quiz: 27, 43, 25, 37. What is their average mark?
  19. 19.The average of 4 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  20. 20.Kavya’s batting average after 6 innings is 40 runs. How many runs must Kavya score in the next innings to raise the average to 45?
  21. 21.A shop sells an average of 24 kg of sugar a day for 5 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 29, 10, 14, 39. What is their average mark?
  23. 23.The average weight of 12 children is 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Priya’s batting average after 5 innings is 38 runs. How many runs must Priya score in the next innings to raise the average to 42?
  25. 25.Marks of 6 friends in a quiz: 23, 35, 26, 17, 41, 14. What is their average mark?
  26. 26.The average of 7 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  27. 27.Marks of 4 friends in a quiz: 82, 77, 91, 90. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 64, 63, 53, 40. What is their average mark?
  29. 29.The average of 7 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  30. 30.The average of 5 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  31. 31.The average weight of 6 children is 46 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 4 friends in a quiz: 57, 42, 61, 32. What is their average mark?
  33. 33.The average weight of 11 children is 28 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 25 kg of sugar a day for 4 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.The average of 4 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  37. 37.Marks of 5 friends in a quiz: 72, 50, 56, 49, 63. What is their average mark?
  38. 38.Saanvi’s batting average after 15 innings is 30 runs. How many runs must Saanvi score in the next innings to raise the average to 34?
  39. 39.The average of 8 numbers is 58. When one more number is added, the average becomes 61. What number was added?
  40. 40.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 89
  2. 51
  3. 62
  4. 30
  5. 44
  6. 58
  7. 64
  8. 54
  9. 42
  10. 26
  11. 71
  12. 78
  13. 60
  14. 39
  15. 40
  16. 36
  17. 43
  18. 33
  19. 76
  20. 75
  21. 42
  22. 23
  23. 37
  24. 62
  25. 26
  26. 57
  27. 85
  28. 55
  29. 56
  30. 30
  31. 43
  32. 48
  33. 25
  34. 43
  35. 42
  36. 51
  37. 58
  38. 94
  39. 85
  40. 41

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