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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 2 · 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 35. When one more number is added, the average becomes 38. What number was added?
  2. 2.Ananya’s batting average after 7 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  3. 3.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 8 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  5. 5.Marks of 6 friends in a quiz: 55, 63, 57, 60, 80, 93. What is their average mark?
  6. 6.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Ananya’s batting average after 15 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  8. 8.A shop sells an average of 61 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)?
  9. 9.Marks of 5 friends in a quiz: 28, 32, 40, 41, 59. What is their average mark?
  10. 10.A shop sells an average of 62 kg of sugar a day for 3 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average of 7 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  12. 12.Priya’s batting average after 9 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 52?
  13. 13.Marks of 6 friends in a quiz: 77, 72, 86, 97, 86, 86. What is their average mark?
  14. 14.The average of 5 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  15. 15.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 10 children is 30 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.A shop sells an average of 30 kg of sugar a day for 2 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  19. 19.Kavya’s batting average after 15 innings is 24 runs. How many runs must Kavya score in the next innings to raise the average to 27?
  20. 20.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 5 friends in a quiz: 14, 23, 29, 20, 49. What is their average mark?
  22. 22.A shop sells an average of 70 kg of sugar a day for 2 days, and then 50 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  23. 23.The average of 5 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  24. 24.Nisha’s batting average after 10 innings is 27 runs. How many runs must Nisha score in the next innings to raise the average to 29?
  25. 25.The average of 6 numbers is 34. When one more number is added, the average becomes 35. What number was added?
  26. 26.Marks of 6 friends in a quiz: 29, 50, 55, 56, 40, 28. What is their average mark?
  27. 27.Arjun’s batting average after 15 innings is 29 runs. How many runs must Arjun score in the next innings to raise the average to 33?
  28. 28.The average of 4 numbers is 54. When one more number is added, the average becomes 56. What number was added?
  29. 29.The average of 4 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  30. 30.Marks of 4 friends in a quiz: 81, 65, 80, 78. What is their average mark?
  31. 31.The average of 6 numbers is 22. When one more number is added, the average becomes 28. What number was added?
  32. 32.The average of 8 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  33. 33.Saanvi’s batting average after 15 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 49?
  34. 34.A shop sells an average of 50 kg of sugar a day for 6 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  35. 35.A shop sells an average of 44 kg of sugar a day for 2 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.The average of 5 numbers is 56. When one more number is added, the average becomes 60. What number was added?
  37. 37.Diya’s batting average after 11 innings is 39 runs. How many runs must Diya score in the next innings to raise the average to 42?
  38. 38.The average of 5 numbers is 46. When one more number is added, the average becomes 47. What number was added?
  39. 39.Marks of 6 friends in a quiz: 83, 77, 66, 73, 69, 64. What is their average mark?
  40. 40.The average of 6 numbers is 44. When one more number is added, the average becomes 50. What number was added?

Answer key

  1. 56
  2. 75
  3. 28
  4. 51
  5. 68
  6. 45
  7. 110
  8. 69
  9. 40
  10. 52
  11. 84
  12. 79
  13. 84
  14. 23
  15. 40
  16. 29
  17. 44
  18. 24
  19. 72
  20. 25
  21. 27
  22. 58
  23. 81
  24. 49
  25. 41
  26. 43
  27. 93
  28. 64
  29. 46
  30. 76
  31. 64
  32. 85
  33. 79
  34. 55
  35. 43
  36. 80
  37. 75
  38. 52
  39. 72
  40. 86

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