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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 543 · 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 4 friends in a quiz: 42, 24, 28, 58. What is their average mark?
  2. 2.The average weight of 8 children is 31 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 5 children is 27 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 55, 65, 48, 72, 52, 50. What is their average mark?
  5. 5.A shop sells an average of 32 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)?
  6. 6.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Manav’s batting average after 15 innings is 23 runs. How many runs must Manav score in the next innings to raise the average to 28?
  8. 8.A shop sells an average of 53 kg of sugar a day for 2 days, and then 61 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.Rohan’s batting average after 8 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 27?
  10. 10.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)?
  11. 11.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.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)?
  13. 13.The average weight of 11 children is 36 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 7 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  15. 15.A shop sells an average of 28 kg of sugar a day for 6 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.The average weight of 11 children is 30 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 27, 29, 44, 23, 67. What is their average mark?
  18. 18.Marks of 6 friends in a quiz: 45, 26, 47, 55, 32, 35. What is their average mark?
  19. 19.The average of 9 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  20. 20.The average weight of 8 children is 41 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 75, 102, 93, 89, 91, 84. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 59, 57, 70, 69, 40. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 97, 86, 75, 78. What is their average mark?
  24. 24.Saanvi’s batting average after 7 innings is 26 runs. How many runs must Saanvi score in the next innings to raise the average to 28?
  25. 25.Marks of 4 friends in a quiz: 78, 86, 99, 89. What is their average mark?
  26. 26.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 4 friends in a quiz: 63, 58, 53, 18. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 32, 21, 26, 29. What is their average mark?
  29. 29.The average of 6 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  30. 30.Marks of 6 friends in a quiz: 77, 79, 61, 68, 55, 68. What is their average mark?
  31. 31.The average weight of 6 children is 36 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 9 numbers is 20. When one more number is added, the average becomes 22. What number was added?
  33. 33.The average of 8 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  34. 34.Ishaan’s batting average after 10 innings is 23 runs. How many runs must Ishaan score in the next innings to raise the average to 27?
  35. 35.The average of 5 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  36. 36.A shop sells an average of 74 kg of sugar a day for 2 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  37. 37.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 6 friends in a quiz: 35, 35, 56, 57, 39, 60. What is their average mark?
  39. 39.Marks of 6 friends in a quiz: 79, 86, 64, 74, 86, 43. What is their average mark?
  40. 40.A shop sells an average of 41 kg of sugar a day for 6 days, and then 23 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 38
  2. 28
  3. 25
  4. 57
  5. 36
  6. 38
  7. 103
  8. 59
  9. 59
  10. 65
  11. 32
  12. 37
  13. 33
  14. 69
  15. 26
  16. 28
  17. 38
  18. 40
  19. 87
  20. 38
  21. 89
  22. 59
  23. 84
  24. 42
  25. 88
  26. 28
  27. 48
  28. 27
  29. 45
  30. 68
  31. 33
  32. 40
  33. 79
  34. 67
  35. 50
  36. 73
  37. 42
  38. 47
  39. 72
  40. 35

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