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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 230 · 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.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 33 kg of sugar a day for 6 days, and then 39 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  3. 3.The average of 9 numbers is 33. When one more number is added, the average becomes 39. What number was added?
  4. 4.Marks of 6 friends in a quiz: 25, 22, 22, 21, 24, 72. What is their average mark?
  5. 5.A shop sells an average of 35 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.Nisha’s batting average after 13 innings is 25 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  7. 7.Farhan’s batting average after 15 innings is 37 runs. How many runs must Farhan score in the next innings to raise the average to 40?
  8. 8.The average of 8 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  9. 9.Marks of 4 friends in a quiz: 32, 42, 21, 37. What is their average mark?
  10. 10.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 5 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  12. 12.Aarav’s batting average after 10 innings is 27 runs. How many runs must Aarav score in the next innings to raise the average to 30?
  13. 13.The average weight of 6 children is 28 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.A shop sells an average of 65 kg of sugar a day for 3 days, and then 71 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.Saanvi’s batting average after 7 innings is 38 runs. How many runs must Saanvi score in the next innings to raise the average to 40?
  16. 16.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 4 friends in a quiz: 39, 36, 47, 26. What is their average mark?
  18. 18.The average of 4 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  19. 19.Marks of 4 friends in a quiz: 33, 40, 41, 54. What is their average mark?
  20. 20.Marks of 6 friends in a quiz: 80, 71, 60, 71, 80, 76. What is their average mark?
  21. 21.The average of 5 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  22. 22.The average weight of 9 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Marks of 5 friends in a quiz: 78, 61, 62, 70, 44. What is their average mark?
  24. 24.A shop sells an average of 24 kg of sugar a day for 2 days, and then 60 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 58, 55, 62, 79, 66, 82. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 40, 28, 35, 53. What is their average mark?
  27. 27.Marks of 5 friends in a quiz: 74, 71, 60, 62, 48. What is their average mark?
  28. 28.A shop sells an average of 37 kg of sugar a day for 3 days, and then 77 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.The average weight of 8 children is 48 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Marks of 4 friends in a quiz: 34, 36, 22, 56. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 28, 27, 28, 23, 69. What is their average mark?
  32. 32.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 9 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  34. 34.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Nisha’s batting average after 7 innings is 44 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  36. 36.Diya’s batting average after 9 innings is 41 runs. How many runs must Diya score in the next innings to raise the average to 44?
  37. 37.Marks of 6 friends in a quiz: 47, 71, 62, 53, 73, 42. What is their average mark?
  38. 38.Marks of 6 friends in a quiz: 21, 19, 10, 17, 29, 42. What is their average mark?
  39. 39.The average of 4 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  40. 40.A shop sells an average of 38 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 25
  2. 35
  3. 93
  4. 31
  5. 39
  6. 81
  7. 85
  8. 51
  9. 33
  10. 38
  11. 63
  12. 60
  13. 27
  14. 69
  15. 54
  16. 30
  17. 37
  18. 75
  19. 42
  20. 73
  21. 29
  22. 36
  23. 63
  24. 48
  25. 67
  26. 39
  27. 63
  28. 62
  29. 45
  30. 37
  31. 35
  32. 26
  33. 39
  34. 27
  35. 52
  36. 71
  37. 58
  38. 23
  39. 61
  40. 54

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