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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 291 · 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 7 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  2. 2.A shop sells an average of 34 kg of sugar a day for 3 days, and then 66 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Kabir’s batting average after 13 innings is 40 runs. How many runs must Kabir score in the next innings to raise the average to 41?
  4. 4.Marks of 4 friends in a quiz: 23, 15, 30, 48. What is their average mark?
  5. 5.The average of 4 numbers is 19. When one more number is added, the average becomes 22. What number was added?
  6. 6.Marks of 5 friends in a quiz: 37, 57, 29, 56, 31. What is their average mark?
  7. 7.Marks of 6 friends in a quiz: 52, 47, 56, 64, 42, 63. What is their average mark?
  8. 8.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 45, 24, 42, 51, 33. What is their average mark?
  10. 10.Meera’s batting average after 10 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 27?
  11. 11.Marks of 5 friends in a quiz: 65, 71, 62, 71, 31. What is their average mark?
  12. 12.Kavya’s batting average after 11 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  13. 13.Marks of 4 friends in a quiz: 72, 63, 69, 24. What is their average mark?
  14. 14.Tara’s batting average after 10 innings is 46 runs. How many runs must Tara score in the next innings to raise the average to 51?
  15. 15.The average of 8 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  16. 16.Rohan’s batting average after 5 innings is 39 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  17. 17.The average weight of 5 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 5 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  19. 19.The average weight of 10 children is 34 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 22 kg of sugar a day for 3 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.Meera’s batting average after 9 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 30?
  23. 23.Marks of 5 friends in a quiz: 33, 38, 23, 27, 59. What is their average mark?
  24. 24.Marks of 5 friends in a quiz: 17, 29, 8, 21, 30. What is their average mark?
  25. 25.Isha’s batting average after 15 innings is 23 runs. How many runs must Isha score in the next innings to raise the average to 26?
  26. 26.Meera’s batting average after 10 innings is 31 runs. How many runs must Meera score in the next innings to raise the average to 36?
  27. 27.The average of 5 numbers is 16. When one more number is added, the average becomes 22. What number was added?
  28. 28.Ananya’s batting average after 9 innings is 42 runs. How many runs must Ananya score in the next innings to raise the average to 45?
  29. 29.A shop sells an average of 30 kg of sugar a day for 5 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  30. 30.A shop sells an average of 23 kg of sugar a day for 2 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  31. 31.The average of 8 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  32. 32.A shop sells an average of 39 kg of sugar a day for 3 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.The average weight of 8 children is 35 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 9 numbers is 24. When one more number is added, the average becomes 30. What number was added?
  35. 35.The average weight of 10 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 78 kg of sugar a day for 5 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  37. 37.The average weight of 8 children is 33 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 7 children is 34 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 28 kg of sugar a day for 3 days, and then 49 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  40. 40.The average of 9 numbers is 15. When one more number is added, the average becomes 16. What number was added?

Answer key

  1. 105
  2. 54
  3. 54
  4. 29
  5. 34
  6. 42
  7. 54
  8. 40
  9. 39
  10. 67
  11. 60
  12. 43
  13. 57
  14. 101
  15. 69
  16. 51
  17. 27
  18. 87
  19. 31
  20. 42
  21. 33
  22. 66
  23. 36
  24. 21
  25. 71
  26. 86
  27. 52
  28. 72
  29. 36
  30. 35
  31. 65
  32. 54
  33. 33
  34. 84
  35. 36
  36. 66
  37. 31
  38. 31
  39. 42
  40. 25

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