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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 352 · 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.Marks of 6 friends in a quiz: 83, 63, 66, 58, 70, 80. What is their average mark?
  2. 2.The average of 9 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  3. 3.The average of 4 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  4. 4.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Rohan’s batting average after 14 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  6. 6.Marks of 6 friends in a quiz: 46, 35, 38, 24, 28, 45. What is their average mark?
  7. 7.The average weight of 10 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 72, 76, 74, 50. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 78, 53, 66, 59. What is their average mark?
  10. 10.Marks of 6 friends in a quiz: 39, 48, 47, 50, 35, 9. What is their average mark?
  11. 11.The average weight of 8 children is 42 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 7 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 7 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  14. 14.Marks of 5 friends in a quiz: 55, 32, 50, 51, 17. What is their average mark?
  15. 15.The average weight of 10 children is 39 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 33, 23, 20, 23, 71. What is their average mark?
  17. 17.Isha’s batting average after 7 innings is 24 runs. How many runs must Isha score in the next innings to raise the average to 29?
  18. 18.Marks of 4 friends in a quiz: 79, 79, 54, 60. What is their average mark?
  19. 19.The average of 9 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  20. 20.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 4 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  22. 22.The average weight of 8 children is 40 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Zoya’s batting average after 6 innings is 37 runs. How many runs must Zoya score in the next innings to raise the average to 38?
  24. 24.Rahul’s batting average after 5 innings is 22 runs. How many runs must Rahul score in the next innings to raise the average to 26?
  25. 25.The average of 6 numbers is 42. When one more number is added, the average becomes 47. What number was added?
  26. 26.The average of 6 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  27. 27.Saanvi’s batting average after 6 innings is 33 runs. How many runs must Saanvi score in the next innings to raise the average to 37?
  28. 28.Arjun’s batting average after 10 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  29. 29.The average of 5 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  30. 30.A shop sells an average of 20 kg of sugar a day for 5 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  31. 31.Isha’s batting average after 8 innings is 35 runs. How many runs must Isha score in the next innings to raise the average to 39?
  32. 32.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)?
  33. 33.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 4 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  35. 35.Ananya’s batting average after 15 innings is 43 runs. How many runs must Ananya score in the next innings to raise the average to 47?
  36. 36.Marks of 4 friends in a quiz: 34, 50, 62, 50. What is their average mark?
  37. 37.The average of 6 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  38. 38.The average of 5 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  39. 39.The average of 9 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  40. 40.Nisha’s batting average after 5 innings is 48 runs. How many runs must Nisha score in the next innings to raise the average to 49?

Answer key

  1. 70
  2. 52
  3. 49
  4. 30
  5. 45
  6. 36
  7. 43
  8. 68
  9. 64
  10. 38
  11. 39
  12. 41
  13. 41
  14. 41
  15. 37
  16. 34
  17. 64
  18. 68
  19. 103
  20. 42
  21. 32
  22. 38
  23. 44
  24. 46
  25. 77
  26. 66
  27. 61
  28. 76
  29. 59
  30. 30
  31. 71
  32. 39
  33. 40
  34. 52
  35. 107
  36. 49
  37. 48
  38. 61
  39. 30
  40. 54

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