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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 533 · 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 62 kg of sugar a day for 3 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  2. 2.Marks of 5 friends in a quiz: 79, 63, 79, 59, 60. What is their average mark?
  3. 3.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 5 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  5. 5.A shop sells an average of 38 kg of sugar a day for 3 days, and then 35 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  6. 6.Rahul’s batting average after 8 innings is 45 runs. How many runs must Rahul score in the next innings to raise the average to 48?
  7. 7.Marks of 6 friends in a quiz: 45, 43, 41, 55, 41, 45. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 52, 58, 71, 67, 77. What is their average mark?
  9. 9.The average of 7 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  10. 10.A shop sells an average of 36 kg of sugar a day for 2 days, and then 52 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average of 8 numbers is 37. When one more number is added, the average becomes 38. What number was added?
  12. 12.Marks of 4 friends in a quiz: 94, 86, 86, 58. What is their average mark?
  13. 13.The average of 8 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  14. 14.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.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)?
  16. 16.A shop sells an average of 31 kg of sugar a day for 5 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average of 5 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  18. 18.Farhan’s batting average after 8 innings is 44 runs. How many runs must Farhan score in the next innings to raise the average to 45?
  19. 19.A shop sells an average of 21 kg of sugar a day for 2 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Saanvi’s batting average after 7 innings is 42 runs. How many runs must Saanvi score in the next innings to raise the average to 43?
  21. 21.Marks of 5 friends in a quiz: 55, 37, 45, 48, 45. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 11, 19, 14, 16, 24, 60. What is their average mark?
  23. 23.The average weight of 7 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 4 friends in a quiz: 38, 36, 41, 73. What is their average mark?
  25. 25.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 51 kg of sugar a day for 6 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 6 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  30. 30.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 74 kg of sugar a day for 4 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  33. 33.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.A shop sells an average of 49 kg of sugar a day for 4 days, and then 37 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average of 7 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  36. 36.A shop sells an average of 63 kg of sugar a day for 3 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.Farhan’s batting average after 13 innings is 38 runs. How many runs must Farhan score in the next innings to raise the average to 43?
  38. 38.The average of 6 numbers is 44. When one more number is added, the average becomes 47. What number was added?
  39. 39.Marks of 6 friends in a quiz: 18, 14, 32, 18, 13, 73. What is their average mark?
  40. 40.Meera’s batting average after 14 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 45?

Answer key

  1. 52
  2. 68
  3. 40
  4. 81
  5. 36
  6. 72
  7. 45
  8. 65
  9. 53
  10. 48
  11. 46
  12. 81
  13. 26
  14. 31
  15. 43
  16. 39
  17. 61
  18. 53
  19. 45
  20. 50
  21. 46
  22. 24
  23. 26
  24. 47
  25. 28
  26. 57
  27. 43
  28. 38
  29. 80
  30. 25
  31. 31
  32. 50
  33. 31
  34. 45
  35. 55
  36. 65
  37. 108
  38. 65
  39. 28
  40. 59

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