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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 63 · 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 of 5 numbers is 47. When one more number is added, the average becomes 52. What number was added?
  2. 2.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average of 5 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  4. 4.Kabir’s batting average after 12 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  5. 5.The average of 4 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  6. 6.The average of 5 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  7. 7.The average of 9 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  8. 8.Marks of 5 friends in a quiz: 36, 60, 61, 56, 37. What is their average mark?
  9. 9.A shop sells an average of 24 kg of sugar a day for 3 days, and then 68 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.Rohan’s batting average after 7 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 35?
  11. 11.A shop sells an average of 54 kg of sugar a day for 5 days, and then 42 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.Ananya’s batting average after 5 innings is 29 runs. How many runs must Ananya score in the next innings to raise the average to 33?
  13. 13.A shop sells an average of 68 kg of sugar a day for 6 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.The average of 4 numbers is 51. When one more number is added, the average becomes 54. What number was added?
  15. 15.Marks of 4 friends in a quiz: 61, 67, 51, 41. What is their average mark?
  16. 16.Marks of 6 friends in a quiz: 23, 21, 24, 35, 29, 48. What is their average mark?
  17. 17.The average of 6 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  18. 18.Marks of 6 friends in a quiz: 48, 30, 26, 26, 36, 74. What is their average mark?
  19. 19.The average weight of 5 children is 48 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Ananya’s batting average after 6 innings is 49 runs. How many runs must Ananya score in the next innings to raise the average to 52?
  21. 21.A shop sells an average of 57 kg of sugar a day for 6 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.A shop sells an average of 26 kg of sugar a day for 2 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 65, 69, 75, 79. What is their average mark?
  24. 24.Marks of 5 friends in a quiz: 59, 72, 65, 50, 64. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 98, 83, 99, 79, 89, 68. What is their average mark?
  26. 26.Kabir’s batting average after 7 innings is 47 runs. How many runs must Kabir score in the next innings to raise the average to 48?
  27. 27.A shop sells an average of 57 kg of sugar a day for 4 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  28. 28.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 41 kg of sugar a day for 5 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  30. 30.Marks of 6 friends in a quiz: 44, 35, 33, 50, 47, 79. What is their average mark?
  31. 31.The average weight of 11 children is 28 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 5 friends in a quiz: 71, 84, 84, 58, 63. What is their average mark?
  33. 33.The average of 5 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  34. 34.The average of 4 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  35. 35.A shop sells an average of 37 kg of sugar a day for 5 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.The average of 5 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  37. 37.Arjun’s batting average after 5 innings is 37 runs. How many runs must Arjun score in the next innings to raise the average to 38?
  38. 38.The average of 4 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  39. 39.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.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)?

Answer key

  1. 77
  2. 29
  3. 44
  4. 56
  5. 60
  6. 51
  7. 27
  8. 50
  9. 46
  10. 42
  11. 48
  12. 53
  13. 60
  14. 66
  15. 55
  16. 30
  17. 22
  18. 40
  19. 45
  20. 70
  21. 53
  22. 41
  23. 72
  24. 62
  25. 86
  26. 55
  27. 54
  28. 28
  29. 47
  30. 48
  31. 25
  32. 72
  33. 82
  34. 47
  35. 31
  36. 51
  37. 43
  38. 54
  39. 26
  40. 39

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