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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 102 · 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 64 kg of sugar a day for 2 days, and then 36 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  2. 2.The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  3. 3.The average of 4 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  4. 4.The average weight of 5 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 5 friends in a quiz: 80, 85, 69, 60, 71. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 19, 14, 39, 32. What is their average mark?
  7. 7.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 76, 75, 84, 62, 66, 93. What is their average mark?
  9. 9.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  10. 10.The average of 4 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  11. 11.A shop sells an average of 47 kg of sugar a day for 3 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.Aarav’s batting average after 13 innings is 45 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  13. 13.The average of 4 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  14. 14.Marks of 5 friends in a quiz: 99, 74, 76, 88, 83. What is their average mark?
  15. 15.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 9 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  17. 17.A shop sells an average of 26 kg of sugar a day for 4 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  18. 18.The average of 9 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  19. 19.A shop sells an average of 67 kg of sugar a day for 2 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  20. 20.The average weight of 7 children is 42 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Kabir’s batting average after 7 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 28?
  22. 22.Marks of 6 friends in a quiz: 83, 68, 78, 79, 70, 60. What is their average mark?
  23. 23.The average of 6 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  24. 24.The average weight of 6 children is 44 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 6 friends in a quiz: 32, 50, 55, 39, 54, 28. What is their average mark?
  26. 26.The average of 4 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  27. 27.The average of 5 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  28. 28.The average of 7 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  29. 29.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 9 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  31. 31.Zoya’s batting average after 8 innings is 49 runs. How many runs must Zoya score in the next innings to raise the average to 52?
  32. 32.Aditya’s batting average after 11 innings is 28 runs. How many runs must Aditya score in the next innings to raise the average to 31?
  33. 33.A shop sells an average of 71 kg of sugar a day for 3 days, and then 43 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  34. 34.The average of 4 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  35. 35.A shop sells an average of 23 kg of sugar a day for 6 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 5 numbers is 28. When one more number is added, the average becomes 33. What number was added?
  38. 38.The average of 4 numbers is 48. When one more number is added, the average becomes 51. What number was added?
  39. 39.The average weight of 12 children is 30 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 6 friends in a quiz: 88, 66, 85, 65, 84, 68. What is their average mark?

Answer key

  1. 44
  2. 34
  3. 71
  4. 31
  5. 73
  6. 26
  7. 29
  8. 76
  9. 32
  10. 52
  11. 61
  12. 87
  13. 52
  14. 84
  15. 27
  16. 45
  17. 50
  18. 67
  19. 52
  20. 41
  21. 35
  22. 73
  23. 28
  24. 43
  25. 43
  26. 65
  27. 61
  28. 93
  29. 28
  30. 81
  31. 76
  32. 64
  33. 55
  34. 88
  35. 36
  36. 29
  37. 58
  38. 63
  39. 28
  40. 76

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