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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 511 · 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.Manav’s batting average after 9 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 47?
  2. 2.A shop sells an average of 54 kg of sugar a day for 6 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  3. 3.The average of 4 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  4. 4.The average weight of 5 children is 40 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 8 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  6. 6.Priya’s batting average after 11 innings is 25 runs. How many runs must Priya score in the next innings to raise the average to 30?
  7. 7.The average of 6 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  8. 8.The average of 8 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  9. 9.The average of 5 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  10. 10.The average of 8 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  11. 11.The average weight of 7 children is 47 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 55 kg of sugar a day for 5 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  13. 13.The average of 4 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  14. 14.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 41 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)?
  16. 16.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 8 children is 34 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 36 kg of sugar a day for 4 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.A shop sells an average of 78 kg of sugar a day for 3 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.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)?
  21. 21.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 6 friends in a quiz: 47, 25, 31, 42, 29, 42. What is their average mark?
  23. 23.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 12 children is 30 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 6 friends in a quiz: 83, 78, 91, 95, 92, 65. What is their average mark?
  26. 26.The average of 6 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  27. 27.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 51 kg of sugar a day for 2 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  29. 29.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)?
  30. 30.The average of 8 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  31. 31.Marks of 5 friends in a quiz: 45, 48, 68, 60, 54. What is their average mark?
  32. 32.The average of 4 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  33. 33.A shop sells an average of 38 kg of sugar a day for 4 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Marks of 4 friends in a quiz: 53, 46, 53, 32. What is their average mark?
  35. 35.The average of 5 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  36. 36.Marks of 4 friends in a quiz: 40, 37, 57, 74. What is their average mark?
  37. 37.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  38. 38.The average of 6 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  39. 39.Marks of 5 friends in a quiz: 53, 52, 26, 40, 24. What is their average mark?
  40. 40.Saanvi’s batting average after 15 innings is 46 runs. How many runs must Saanvi score in the next innings to raise the average to 48?

Answer key

  1. 74
  2. 67
  3. 37
  4. 37
  5. 68
  6. 85
  7. 43
  8. 50
  9. 55
  10. 83
  11. 44
  12. 63
  13. 32
  14. 38
  15. 61
  16. 36
  17. 33
  18. 33
  19. 50
  20. 36
  21. 36
  22. 36
  23. 44
  24. 27
  25. 84
  26. 31
  27. 30
  28. 39
  29. 25
  30. 57
  31. 55
  32. 75
  33. 46
  34. 46
  35. 77
  36. 52
  37. 36
  38. 41
  39. 39
  40. 78

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