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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 51 · 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.A shop sells an average of 23 kg of sugar a day for 5 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.Marks of 4 friends in a quiz: 26, 25, 39, 62. What is their average mark?
  3. 3.The average of 4 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  4. 4.A shop sells an average of 44 kg of sugar a day for 6 days, and then 29 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  5. 5.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  6. 6.The average of 9 numbers is 51. When one more number is added, the average becomes 55. What number was added?
  7. 7.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average weight of 12 children is 33 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 41, 54, 33, 38, 74. What is their average mark?
  11. 11.Kavya’s batting average after 10 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  12. 12.Marks of 4 friends in a quiz: 98, 89, 90, 63. What is their average mark?
  13. 13.A shop sells an average of 42 kg of sugar a day for 5 days, and then 75 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  14. 14.Marks of 6 friends in a quiz: 60, 48, 50, 53, 56, 15. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 56, 64, 43, 49, 33. What is their average mark?
  16. 16.A shop sells an average of 55 kg of sugar a day for 3 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 8 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  20. 20.Marks of 4 friends in a quiz: 63, 54, 76, 51. What is their average mark?
  21. 21.Kavya’s batting average after 14 innings is 34 runs. How many runs must Kavya score in the next innings to raise the average to 36?
  22. 22.The average of 5 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  23. 23.Nisha’s batting average after 9 innings is 41 runs. How many runs must Nisha score in the next innings to raise the average to 43?
  24. 24.Marks of 4 friends in a quiz: 38, 44, 40, 66. What is their average mark?
  25. 25.The average weight of 10 children is 44 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 65, 82, 69, 78, 86. What is their average mark?
  27. 27.A shop sells an average of 32 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  28. 28.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)?
  29. 29.Marks of 5 friends in a quiz: 55, 73, 68, 54, 80. What is their average mark?
  30. 30.The average weight of 5 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 6 numbers is 53. When one more number is added, the average becomes 56. What number was added?
  32. 32.Diya’s batting average after 9 innings is 30 runs. How many runs must Diya score in the next innings to raise the average to 33?
  33. 33.Ishaan’s batting average after 14 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  34. 34.Pooja’s batting average after 9 innings is 36 runs. How many runs must Pooja score in the next innings to raise the average to 40?
  35. 35.The average of 4 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  36. 36.The average weight of 11 children is 48 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 33 kg of sugar a day for 2 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 59, 38, 39, 52, 72. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 26, 21, 47, 50. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 25, 40, 33, 33, 32, 29. What is their average mark?

Answer key

  1. 43
  2. 38
  3. 57
  4. 38
  5. 31
  6. 91
  7. 32
  8. 30
  9. 31
  10. 48
  11. 76
  12. 85
  13. 60
  14. 47
  15. 49
  16. 66
  17. 29
  18. 26
  19. 47
  20. 61
  21. 64
  22. 55
  23. 61
  24. 47
  25. 43
  26. 76
  27. 33
  28. 66
  29. 66
  30. 30
  31. 74
  32. 60
  33. 48
  34. 76
  35. 77
  36. 45
  37. 57
  38. 52
  39. 36
  40. 32

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