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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 299 · 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 5 numbers is 52. When one more number is added, the average becomes 53. What number was added?
  2. 2.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 77 kg of sugar a day for 4 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.A shop sells an average of 70 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Marks of 6 friends in a quiz: 83, 83, 94, 77, 85, 64. What is their average mark?
  6. 6.Manav’s batting average after 12 innings is 27 runs. How many runs must Manav score in the next innings to raise the average to 29?
  7. 7.The average of 9 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  8. 8.The average of 6 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  9. 9.Marks of 4 friends in a quiz: 67, 88, 90, 67. What is their average mark?
  10. 10.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)?
  11. 11.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 5 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  13. 13.Sneha’s batting average after 5 innings is 44 runs. How many runs must Sneha score in the next innings to raise the average to 48?
  14. 14.A shop sells an average of 73 kg of sugar a day for 3 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.Tara’s batting average after 13 innings is 21 runs. How many runs must Tara score in the next innings to raise the average to 25?
  16. 16.The average weight of 5 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Kavya’s batting average after 15 innings is 33 runs. How many runs must Kavya score in the next innings to raise the average to 35?
  18. 18.Pooja’s batting average after 12 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 26?
  19. 19.The average of 6 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  20. 20.Marks of 5 friends in a quiz: 60, 31, 51, 48, 40. What is their average mark?
  21. 21.A shop sells an average of 49 kg of sugar a day for 2 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.A shop sells an average of 55 kg of sugar a day for 5 days, and then 35 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  23. 23.A shop sells an average of 57 kg of sugar a day for 3 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.Kabir’s batting average after 8 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  25. 25.The average of 4 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  26. 26.Marks of 5 friends in a quiz: 11, 15, 27, 18, 54. What is their average mark?
  27. 27.The average weight of 6 children is 34 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 4 friends in a quiz: 61, 72, 50, 65. What is their average mark?
  29. 29.A shop sells an average of 73 kg of sugar a day for 2 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.Ananya’s batting average after 12 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  31. 31.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 5 friends in a quiz: 33, 25, 18, 19, 65. What is their average mark?
  33. 33.A shop sells an average of 33 kg of sugar a day for 2 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.A shop sells an average of 79 kg of sugar a day for 3 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.Arjun’s batting average after 7 innings is 32 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  36. 36.The average weight of 10 children is 28 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.A shop sells an average of 77 kg of sugar a day for 3 days, and then 25 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  38. 38.Arjun’s batting average after 10 innings is 23 runs. How many runs must Arjun score in the next innings to raise the average to 27?
  39. 39.Saanvi’s batting average after 12 innings is 36 runs. How many runs must Saanvi score in the next innings to raise the average to 39?
  40. 40.The average of 6 numbers is 20. When one more number is added, the average becomes 23. What number was added?

Answer key

  1. 58
  2. 31
  3. 75
  4. 49
  5. 81
  6. 53
  7. 63
  8. 65
  9. 78
  10. 43
  11. 37
  12. 88
  13. 68
  14. 43
  15. 77
  16. 32
  17. 65
  18. 74
  19. 69
  20. 46
  21. 63
  22. 45
  23. 49
  24. 81
  25. 27
  26. 25
  27. 33
  28. 62
  29. 49
  30. 90
  31. 29
  32. 32
  33. 31
  34. 66
  35. 48
  36. 25
  37. 51
  38. 67
  39. 75
  40. 41

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