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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 666 · 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: 41, 27, 30, 36, 26. What is their average mark?
  2. 2.The average of 8 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  3. 3.Marks of 6 friends in a quiz: 22, 37, 43, 34, 21, 47. What is their average mark?
  4. 4.The average weight of 11 children is 44 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Kabir’s batting average after 15 innings is 48 runs. How many runs must Kabir score in the next innings to raise the average to 52?
  6. 6.The average of 4 numbers is 45. When one more number is added, the average becomes 49. What number was added?
  7. 7.Zoya’s batting average after 8 innings is 44 runs. How many runs must Zoya score in the next innings to raise the average to 47?
  8. 8.Marks of 4 friends in a quiz: 15, 37, 39, 25. What is their average mark?
  9. 9.The average of 5 numbers is 16. When one more number is added, the average becomes 21. What number was added?
  10. 10.The average of 5 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  11. 11.Marks of 6 friends in a quiz: 19, 16, 36, 23, 22, 70. What is their average mark?
  12. 12.The average weight of 11 children is 41 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.Marks of 4 friends in a quiz: 66, 58, 63, 93. What is their average mark?
  14. 14.Marks of 4 friends in a quiz: 69, 78, 93, 76. What is their average mark?
  15. 15.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)?
  16. 16.Marks of 4 friends in a quiz: 36, 26, 12, 18. What is their average mark?
  17. 17.The average of 9 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  18. 18.Marks of 4 friends in a quiz: 63, 67, 76, 78. What is their average mark?
  19. 19.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.A shop sells an average of 62 kg of sugar a day for 4 days, and then 68 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.Marks of 6 friends in a quiz: 42, 64, 62, 41, 60, 43. What is their average mark?
  22. 22.Marks of 4 friends in a quiz: 91, 76, 102, 87. What is their average mark?
  23. 23.Marks of 5 friends in a quiz: 66, 52, 60, 65, 62. What is their average mark?
  24. 24.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Isha’s batting average after 10 innings is 39 runs. How many runs must Isha score in the next innings to raise the average to 42?
  26. 26.The average of 9 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  27. 27.Marks of 6 friends in a quiz: 21, 15, 16, 19, 13, 48. What is their average mark?
  28. 28.The average of 4 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  29. 29.Manav’s batting average after 12 innings is 50 runs. How many runs must Manav score in the next innings to raise the average to 55?
  30. 30.Marks of 6 friends in a quiz: 50, 49, 61, 60, 40, 64. What is their average mark?
  31. 31.A shop sells an average of 49 kg of sugar a day for 6 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  32. 32.Marks of 5 friends in a quiz: 22, 16, 11, 28, 23. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 72, 57, 57, 54, 60. What is their average mark?
  34. 34.Marks of 5 friends in a quiz: 77, 70, 81, 76, 71. What is their average mark?
  35. 35.A shop sells an average of 32 kg of sugar a day for 3 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  36. 36.A shop sells an average of 68 kg of sugar a day for 6 days, and then 53 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 4 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  38. 38.Marks of 4 friends in a quiz: 72, 81, 83, 84. What is their average mark?
  39. 39.Marks of 5 friends in a quiz: 93, 101, 75, 84, 87. What is their average mark?
  40. 40.The average of 7 numbers is 54. When one more number is added, the average becomes 57. What number was added?

Answer key

  1. 32
  2. 58
  3. 34
  4. 42
  5. 112
  6. 65
  7. 71
  8. 29
  9. 46
  10. 65
  11. 31
  12. 38
  13. 70
  14. 79
  15. 43
  16. 23
  17. 70
  18. 71
  19. 39
  20. 64
  21. 52
  22. 89
  23. 61
  24. 36
  25. 72
  26. 77
  27. 22
  28. 39
  29. 115
  30. 54
  31. 63
  32. 20
  33. 60
  34. 75
  35. 28
  36. 63
  37. 45
  38. 80
  39. 88
  40. 78

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