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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 376 · 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.Ishaan’s batting average after 9 innings is 22 runs. How many runs must Ishaan score in the next innings to raise the average to 25?
  2. 2.A shop sells an average of 64 kg of sugar a day for 6 days, and then 61 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 weight of 9 children is 30 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Ananya’s batting average after 13 innings is 21 runs. How many runs must Ananya score in the next innings to raise the average to 22?
  6. 6.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 10 children is 34 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 33, 22, 40, 21. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 44, 36, 43, 77. What is their average mark?
  10. 10.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 6 numbers is 48. When one more number is added, the average becomes 49. What number was added?
  12. 12.The average of 4 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  13. 13.Marks of 5 friends in a quiz: 16, 19, 17, 34, 49. What is their average mark?
  14. 14.The average weight of 8 children is 37 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 36 kg of sugar a day for 5 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.A shop sells an average of 27 kg of sugar a day for 2 days, and then 51 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.The average of 5 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  18. 18.Marks of 5 friends in a quiz: 78, 72, 71, 80, 49. What is their average mark?
  19. 19.The average weight of 11 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 6 friends in a quiz: 68, 57, 62, 46, 53, 80. What is their average mark?
  21. 21.The average of 4 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  22. 22.A shop sells an average of 68 kg of sugar a day for 6 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  23. 23.The average of 5 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  24. 24.Ananya’s batting average after 15 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  25. 25.A shop sells an average of 51 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.A shop sells an average of 70 kg of sugar a day for 5 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  27. 27.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 5 friends in a quiz: 43, 33, 31, 29, 84. What is their average mark?
  29. 29.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  30. 30.The average of 4 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  31. 31.A shop sells an average of 47 kg of sugar a day for 6 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  32. 32.Pooja’s batting average after 8 innings is 40 runs. How many runs must Pooja score in the next innings to raise the average to 41?
  33. 33.Saanvi’s batting average after 5 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 52?
  34. 34.Marks of 6 friends in a quiz: 22, 38, 42, 45, 25, 26. What is their average mark?
  35. 35.The average weight of 10 children is 29 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 31, 34, 23, 47, 25. What is their average mark?
  37. 37.Marks of 6 friends in a quiz: 61, 84, 77, 79, 82, 31. What is their average mark?
  38. 38.The average of 8 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  39. 39.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 8 numbers is 30. When one more number is added, the average becomes 34. What number was added?

Answer key

  1. 52
  2. 63
  3. 27
  4. 25
  5. 35
  6. 29
  7. 33
  8. 29
  9. 50
  10. 43
  11. 55
  12. 40
  13. 27
  14. 36
  15. 54
  16. 39
  17. 27
  18. 70
  19. 39
  20. 61
  21. 70
  22. 71
  23. 60
  24. 95
  25. 46
  26. 58
  27. 27
  28. 44
  29. 58
  30. 75
  31. 40
  32. 49
  33. 77
  34. 33
  35. 27
  36. 32
  37. 69
  38. 80
  39. 38
  40. 66

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