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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 541 · 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 29 kg of sugar a day for 5 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.The average weight of 7 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 7 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  4. 4.The average of 9 numbers is 34. When one more number is added, the average becomes 40. What number was added?
  5. 5.The average of 4 numbers is 51. When one more number is added, the average becomes 53. What number was added?
  6. 6.A shop sells an average of 48 kg of sugar a day for 3 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.A shop sells an average of 61 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)?
  8. 8.Tara’s batting average after 12 innings is 37 runs. How many runs must Tara score in the next innings to raise the average to 40?
  9. 9.Farhan’s batting average after 15 innings is 28 runs. How many runs must Farhan score in the next innings to raise the average to 31?
  10. 10.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)?
  11. 11.A shop sells an average of 39 kg of sugar a day for 6 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  12. 12.Marks of 4 friends in a quiz: 34, 14, 33, 7. What is their average mark?
  13. 13.Nisha’s batting average after 5 innings is 35 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  14. 14.The average weight of 10 children is 37 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Farhan’s batting average after 8 innings is 48 runs. How many runs must Farhan score in the next innings to raise the average to 53?
  16. 16.The average weight of 10 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 7 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 67, 39, 55, 61, 47, 43. What is their average mark?
  19. 19.The average of 9 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  20. 20.Pooja’s batting average after 10 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 23?
  21. 21.The average of 5 numbers is 50. When one more number is added, the average becomes 56. What number was added?
  22. 22.Marks of 4 friends in a quiz: 83, 77, 83, 73. What is their average mark?
  23. 23.Zoya’s batting average after 12 innings is 31 runs. How many runs must Zoya score in the next innings to raise the average to 36?
  24. 24.A shop sells an average of 59 kg of sugar a day for 6 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.The average weight of 7 children is 41 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 6 friends in a quiz: 46, 50, 63, 47, 42, 58. What is their average mark?
  27. 27.A shop sells an average of 69 kg of sugar a day for 3 days, and then 45 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  28. 28.Marks of 6 friends in a quiz: 36, 43, 38, 44, 31, 78. What is their average mark?
  29. 29.Kavya’s batting average after 6 innings is 48 runs. How many runs must Kavya score in the next innings to raise the average to 49?
  30. 30.The average of 5 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  31. 31.Marks of 5 friends in a quiz: 63, 58, 59, 36, 29. What is their average mark?
  32. 32.The average of 4 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  33. 33.The average of 5 numbers is 58. When one more number is added, the average becomes 63. What number was added?
  34. 34.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)?
  35. 35.Farhan’s batting average after 6 innings is 45 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  36. 36.A shop sells an average of 37 kg of sugar a day for 2 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.Marks of 5 friends in a quiz: 28, 38, 26, 24, 9. What is their average mark?
  38. 38.A shop sells an average of 66 kg of sugar a day for 3 days, and then 36 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.A shop sells an average of 50 kg of sugar a day for 3 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.Manav’s batting average after 6 innings is 29 runs. How many runs must Manav score in the next innings to raise the average to 31?

Answer key

  1. 46
  2. 43
  3. 71
  4. 94
  5. 61
  6. 40
  7. 56
  8. 76
  9. 76
  10. 42
  11. 43
  12. 22
  13. 65
  14. 36
  15. 93
  16. 40
  17. 30
  18. 52
  19. 63
  20. 33
  21. 86
  22. 79
  23. 96
  24. 55
  25. 40
  26. 51
  27. 57
  28. 45
  29. 55
  30. 60
  31. 49
  32. 50
  33. 88
  34. 26
  35. 66
  36. 40
  37. 25
  38. 51
  39. 42
  40. 43

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