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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 114 · 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.A shop sells an average of 55 kg of sugar a day for 2 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.The average of 7 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  3. 3.Marks of 4 friends in a quiz: 70, 83, 73, 62. What is their average mark?
  4. 4.A shop sells an average of 34 kg of sugar a day for 5 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  5. 5.The average weight of 11 children is 34 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 80 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  7. 7.The average of 4 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  8. 8.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 6 friends in a quiz: 39, 55, 34, 51, 38, 65. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 78, 59, 68, 80, 77, 64. What is their average mark?
  11. 11.Manav’s batting average after 8 innings is 36 runs. How many runs must Manav score in the next innings to raise the average to 39?
  12. 12.The average weight of 11 children is 41 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 67, 58, 54, 53. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 71, 63, 86, 64. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 16, 23, 35, 22. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 65, 71, 55, 85. What is their average mark?
  17. 17.A shop sells an average of 44 kg of sugar a day for 2 days, and then 59 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.Zoya’s batting average after 11 innings is 45 runs. How many runs must Zoya score in the next innings to raise the average to 48?
  19. 19.Diya’s batting average after 10 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 55?
  20. 20.Zoya’s batting average after 6 innings is 43 runs. How many runs must Zoya score in the next innings to raise the average to 44?
  21. 21.Marks of 4 friends in a quiz: 21, 25, 24, 58. What is their average mark?
  22. 22.The average of 9 numbers is 55. When one more number is added, the average becomes 56. What number was added?
  23. 23.Arjun’s batting average after 10 innings is 44 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  24. 24.The average of 6 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  25. 25.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 6 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  27. 27.Marks of 5 friends in a quiz: 97, 100, 85, 79, 64. What is their average mark?
  28. 28.Aarav’s batting average after 12 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 44?
  29. 29.The average weight of 9 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  31. 31.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 7 numbers is 21. When one more number is added, the average becomes 26. What number was added?
  33. 33.Marks of 4 friends in a quiz: 38, 54, 46, 74. What is their average mark?
  34. 34.Zoya’s batting average after 13 innings is 25 runs. How many runs must Zoya score in the next innings to raise the average to 30?
  35. 35.Marks of 4 friends in a quiz: 45, 54, 50, 47. What is their average mark?
  36. 36.A shop sells an average of 54 kg of sugar a day for 6 days, and then 75 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.The average of 8 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  38. 38.Marks of 4 friends in a quiz: 51, 50, 31, 48. What is their average mark?
  39. 39.Kabir’s batting average after 14 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  40. 40.Marks of 4 friends in a quiz: 82, 62, 54, 70. What is their average mark?

Answer key

  1. 40
  2. 52
  3. 72
  4. 40
  5. 31
  6. 54
  7. 50
  8. 40
  9. 47
  10. 71
  11. 63
  12. 39
  13. 58
  14. 71
  15. 24
  16. 69
  17. 54
  18. 81
  19. 105
  20. 50
  21. 32
  22. 65
  23. 66
  24. 73
  25. 34
  26. 62
  27. 85
  28. 104
  29. 26
  30. 38
  31. 41
  32. 61
  33. 53
  34. 95
  35. 49
  36. 61
  37. 47
  38. 45
  39. 42
  40. 67

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