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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 395 · 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 6 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  2. 2.A shop sells an average of 21 kg of sugar a day for 2 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.The average of 5 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  4. 4.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 6 friends in a quiz: 57, 62, 62, 35, 43, 41. What is their average mark?
  6. 6.The average weight of 7 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 12 children is 48 kg. One child, who weighs 81 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average of 4 numbers is 48. When one more number is added, the average becomes 53. What number was added?
  9. 9.A shop sells an average of 79 kg of sugar a day for 2 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average of 5 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  12. 12.A shop sells an average of 45 kg of sugar a day for 3 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.The average of 5 numbers is 15. When one more number is added, the average becomes 20. What number was added?
  14. 14.The average weight of 6 children is 47 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Diya’s batting average after 10 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 53?
  16. 16.The average of 9 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  17. 17.A shop sells an average of 66 kg of sugar a day for 3 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  18. 18.The average of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  19. 19.Marks of 6 friends in a quiz: 84, 60, 73, 58, 61, 78. What is their average mark?
  20. 20.The average of 5 numbers is 35. When one more number is added, the average becomes 37. What number was added?
  21. 21.Marks of 6 friends in a quiz: 80, 65, 64, 92, 89, 72. What is their average mark?
  22. 22.Marks of 6 friends in a quiz: 74, 52, 69, 63, 63, 57. What is their average mark?
  23. 23.A shop sells an average of 62 kg of sugar a day for 5 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.The average of 4 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  25. 25.A shop sells an average of 42 kg of sugar a day for 6 days, and then 51 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  26. 26.Marks of 5 friends in a quiz: 99, 97, 74, 104, 71. What is their average mark?
  27. 27.Nisha’s batting average after 14 innings is 31 runs. How many runs must Nisha score in the next innings to raise the average to 34?
  28. 28.Marks of 4 friends in a quiz: 31, 29, 36, 28. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 22, 12, 20, 46. What is their average mark?
  30. 30.A shop sells an average of 32 kg of sugar a day for 3 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  31. 31.Arjun’s batting average after 6 innings is 28 runs. How many runs must Arjun score in the next innings to raise the average to 30?
  32. 32.The average weight of 12 children is 34 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 7 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  34. 34.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)?
  35. 35.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)?
  36. 36.Marks of 4 friends in a quiz: 49, 50, 45, 48. What is their average mark?
  37. 37.A shop sells an average of 62 kg of sugar a day for 5 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  38. 38.The average weight of 12 children is 46 kg. One child, who weighs 79 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 24 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)?
  40. 40.Ishaan’s batting average after 13 innings is 42 runs. How many runs must Ishaan score in the next innings to raise the average to 45?

Answer key

  1. 66
  2. 45
  3. 64
  4. 39
  5. 50
  6. 27
  7. 45
  8. 73
  9. 66
  10. 42
  11. 74
  12. 55
  13. 45
  14. 45
  15. 83
  16. 91
  17. 46
  18. 40
  19. 69
  20. 47
  21. 77
  22. 63
  23. 56
  24. 51
  25. 45
  26. 89
  27. 76
  28. 31
  29. 25
  30. 48
  31. 42
  32. 31
  33. 85
  34. 36
  35. 25
  36. 48
  37. 44
  38. 43
  39. 30
  40. 84

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