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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 525 · 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.Aarav’s batting average after 15 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 36?
  2. 2.Aarav’s batting average after 12 innings is 42 runs. How many runs must Aarav score in the next innings to raise the average to 44?
  3. 3.A shop sells an average of 22 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)?
  4. 4.A shop sells an average of 51 kg of sugar a day for 3 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  5. 5.Marks of 5 friends in a quiz: 39, 55, 51, 61, 64. What is their average mark?
  6. 6.Marks of 4 friends in a quiz: 28, 16, 28, 52. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 38, 47, 27, 28. What is their average mark?
  8. 8.A shop sells an average of 20 kg of sugar a day for 6 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.The average of 8 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  10. 10.A shop sells an average of 29 kg of sugar a day for 6 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.A shop sells an average of 29 kg of sugar a day for 5 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  12. 12.Marks of 6 friends in a quiz: 24, 30, 31, 46, 31, 60. What is their average mark?
  13. 13.A shop sells an average of 72 kg of sugar a day for 3 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 59, 66, 69, 30. What is their average mark?
  15. 15.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 44, 34, 44, 33, 85. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 14, 18, 40, 40. What is their average mark?
  18. 18.Saanvi’s batting average after 8 innings is 37 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  19. 19.Marks of 4 friends in a quiz: 95, 75, 74, 92. What is their average mark?
  20. 20.Rohan’s batting average after 7 innings is 33 runs. How many runs must Rohan score in the next innings to raise the average to 38?
  21. 21.The average weight of 8 children is 40 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 83, 82, 73, 93, 89. What is their average mark?
  23. 23.A shop sells an average of 50 kg of sugar a day for 3 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 7 numbers is 23. When one more number is added, the average becomes 28. What number was added?
  26. 26.Marks of 4 friends in a quiz: 80, 66, 88, 70. What is their average mark?
  27. 27.The average of 5 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  28. 28.Marks of 5 friends in a quiz: 83, 68, 79, 70, 95. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 94, 97, 79, 70. What is their average mark?
  30. 30.Marks of 6 friends in a quiz: 14, 11, 19, 24, 17, 35. What is their average mark?
  31. 31.Marks of 6 friends in a quiz: 54, 69, 70, 56, 64, 77. What is their average mark?
  32. 32.A shop sells an average of 23 kg of sugar a day for 4 days, and then 68 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 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 6 friends in a quiz: 39, 49, 45, 40, 41, 14. What is their average mark?
  35. 35.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 4 friends in a quiz: 38, 19, 14, 45. What is their average mark?
  37. 37.The average of 5 numbers is 52. When one more number is added, the average becomes 55. What number was added?
  38. 38.The average weight of 6 children is 45 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 9, 27, 39, 21. What is their average mark?
  40. 40.The average of 9 numbers is 27. When one more number is added, the average becomes 30. What number was added?

Answer key

  1. 111
  2. 68
  3. 26
  4. 53
  5. 54
  6. 31
  7. 35
  8. 22
  9. 110
  10. 30
  11. 41
  12. 37
  13. 44
  14. 56
  15. 31
  16. 48
  17. 28
  18. 82
  19. 84
  20. 73
  21. 37
  22. 84
  23. 52
  24. 27
  25. 63
  26. 76
  27. 83
  28. 79
  29. 85
  30. 20
  31. 65
  32. 50
  33. 25
  34. 38
  35. 30
  36. 29
  37. 70
  38. 44
  39. 24
  40. 57

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