← Averages lesson New set →

Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 672 · 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 6 friends in a quiz: 77, 69, 84, 74, 69, 71. What is their average mark?
  2. 2.A shop sells an average of 58 kg of sugar a day for 5 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  3. 3.The average of 9 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  4. 4.The average of 5 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  5. 5.Marks of 6 friends in a quiz: 48, 59, 58, 59, 73, 57. What is their average mark?
  6. 6.The average weight of 10 children is 40 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Ananya’s batting average after 5 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  8. 8.Marks of 6 friends in a quiz: 96, 75, 82, 92, 99, 84. What is their average mark?
  9. 9.The average weight of 7 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 35 kg of sugar a day for 5 days, and then 79 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 9 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  14. 14.The average of 4 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  15. 15.A shop sells an average of 39 kg of sugar a day for 2 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  16. 16.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.A shop sells an average of 68 kg of sugar a day for 4 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  18. 18.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)?
  19. 19.The average weight of 12 children is 35 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 5 friends in a quiz: 45, 26, 31, 19, 29. What is their average mark?
  21. 21.The average weight of 8 children is 30 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 6 friends in a quiz: 43, 54, 72, 45, 43, 85. What is their average mark?
  23. 23.The average weight of 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.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)?
  25. 25.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)?
  26. 26.A shop sells an average of 33 kg of sugar a day for 2 days, and then 54 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  27. 27.The average weight of 11 children is 36 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 8 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  29. 29.The average weight of 6 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 15. When one more number is added, the average becomes 19. What number was added?
  33. 33.The average of 8 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  34. 34.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 55, 65, 74, 81, 69, 52. What is their average mark?
  36. 36.A shop sells an average of 66 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  37. 37.Nisha’s batting average after 9 innings is 29 runs. How many runs must Nisha score in the next innings to raise the average to 33?
  38. 38.Farhan’s batting average after 11 innings is 39 runs. How many runs must Farhan score in the next innings to raise the average to 41?
  39. 39.Karan’s batting average after 9 innings is 24 runs. How many runs must Karan score in the next innings to raise the average to 27?
  40. 40.The average of 4 numbers is 17. When one more number is added, the average becomes 21. What number was added?

Answer key

  1. 74
  2. 46
  3. 42
  4. 76
  5. 59
  6. 39
  7. 38
  8. 88
  9. 36
  10. 57
  11. 29
  12. 27
  13. 77
  14. 37
  15. 36
  16. 28
  17. 55
  18. 28
  19. 34
  20. 30
  21. 28
  22. 57
  23. 44
  24. 37
  25. 39
  26. 48
  27. 35
  28. 53
  29. 27
  30. 42
  31. 30
  32. 43
  33. 73
  34. 31
  35. 66
  36. 67
  37. 69
  38. 63
  39. 54
  40. 37

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude