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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 220 · 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 23. When one more number is added, the average becomes 26. What number was added?
  2. 2.A shop sells an average of 53 kg of sugar a day for 4 days, and then 71 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  3. 3.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)?
  4. 4.Marks of 4 friends in a quiz: 45, 41, 54, 44. What is their average mark?
  5. 5.The average weight of 9 children is 35 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 67 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.A shop sells an average of 45 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.The average weight of 8 children is 43 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  10. 10.Marks of 5 friends in a quiz: 75, 89, 89, 65, 67. What is their average mark?
  11. 11.Vivaan’s batting average after 14 innings is 36 runs. How many runs must Vivaan score in the next innings to raise the average to 37?
  12. 12.The average of 6 numbers is 39. When one more number is added, the average becomes 40. What number was added?
  13. 13.Marks of 5 friends in a quiz: 27, 16, 18, 35, 34. What is their average mark?
  14. 14.Marks of 5 friends in a quiz: 32, 56, 48, 33, 61. What is their average mark?
  15. 15.Marks of 5 friends in a quiz: 39, 43, 33, 39, 71. What is their average mark?
  16. 16.A shop sells an average of 62 kg of sugar a day for 4 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average of 7 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  18. 18.Marks of 4 friends in a quiz: 32, 22, 15, 39. What is their average mark?
  19. 19.The average of 4 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  20. 20.Kabir’s batting average after 7 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  21. 21.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  22. 22.The average of 8 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  23. 23.A shop sells an average of 39 kg of sugar a day for 3 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  24. 24.The average weight of 6 children is 41 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 6 children is 42 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 76 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  27. 27.A shop sells an average of 72 kg of sugar a day for 2 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  28. 28.Marks of 5 friends in a quiz: 82, 62, 86, 61, 84. What is their average mark?
  29. 29.Marks of 4 friends in a quiz: 85, 80, 84, 39. What is their average mark?
  30. 30.A shop sells an average of 66 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  31. 31.Marks of 6 friends in a quiz: 64, 81, 61, 77, 80, 81. What is their average mark?
  32. 32.A shop sells an average of 59 kg of sugar a day for 5 days, and then 70 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  33. 33.The average of 8 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  34. 34.A shop sells an average of 20 kg of sugar a day for 3 days, and then 74 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Ananya’s batting average after 9 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 32?
  37. 37.Marks of 5 friends in a quiz: 38, 55, 44, 50, 73. What is their average mark?
  38. 38.A shop sells an average of 55 kg of sugar a day for 4 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.Tara’s batting average after 15 innings is 23 runs. How many runs must Tara score in the next innings to raise the average to 26?
  40. 40.A shop sells an average of 25 kg of sugar a day for 5 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 41
  2. 63
  3. 45
  4. 46
  5. 33
  6. 57
  7. 46
  8. 40
  9. 31
  10. 77
  11. 51
  12. 46
  13. 26
  14. 46
  15. 45
  16. 63
  17. 79
  18. 27
  19. 55
  20. 79
  21. 62
  22. 69
  23. 59
  24. 39
  25. 41
  26. 52
  27. 73
  28. 75
  29. 72
  30. 64
  31. 74
  32. 65
  33. 62
  34. 47
  35. 38
  36. 41
  37. 52
  38. 50
  39. 71
  40. 37

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