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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 134 · 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 55. When one more number is added, the average becomes 61. What number was added?
  2. 2.The average of 4 numbers is 59. When one more number is added, the average becomes 60. What number was added?
  3. 3.Marks of 5 friends in a quiz: 59, 52, 69, 59, 76. What is their average mark?
  4. 4.A shop sells an average of 41 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)?
  5. 5.The average of 7 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  6. 6.The average of 8 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  7. 7.The average of 5 numbers is 25. When one more number is added, the average becomes 30. What number was added?
  8. 8.A shop sells an average of 58 kg of sugar a day for 2 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.Sneha’s batting average after 6 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 27?
  10. 10.The average of 4 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  11. 11.Priya’s batting average after 6 innings is 31 runs. How many runs must Priya score in the next innings to raise the average to 35?
  12. 12.The average of 7 numbers is 41. When one more number is added, the average becomes 46. What number was added?
  13. 13.Marks of 4 friends in a quiz: 57, 73, 76, 42. What is their average mark?
  14. 14.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Marks of 6 friends in a quiz: 9, 14, 34, 15, 13, 35. What is their average mark?
  16. 16.A shop sells an average of 27 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)?
  17. 17.The average of 7 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  18. 18.The average weight of 12 children is 42 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 6 friends in a quiz: 30, 41, 36, 51, 60, 52. What is their average mark?
  20. 20.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)?
  21. 21.The average weight of 8 children is 31 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.A shop sells an average of 67 kg of sugar a day for 6 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  23. 23.A shop sells an average of 78 kg of sugar a day for 2 days, and then 57 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  24. 24.The average of 5 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  25. 25.Marks of 4 friends in a quiz: 89, 81, 67, 79. What is their average mark?
  26. 26.The average weight of 9 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 5 friends in a quiz: 53, 63, 71, 73, 70. What is their average mark?
  28. 28.Kavya’s batting average after 5 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 32?
  29. 29.A shop sells an average of 42 kg of sugar a day for 3 days, and then 77 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 69, 74, 75, 71, 91. What is their average mark?
  31. 31.Farhan’s batting average after 5 innings is 40 runs. How many runs must Farhan score in the next innings to raise the average to 41?
  32. 32.A shop sells an average of 32 kg of sugar a day for 5 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  33. 33.Zoya’s batting average after 14 innings is 49 runs. How many runs must Zoya score in the next innings to raise the average to 51?
  34. 34.Nisha’s batting average after 5 innings is 32 runs. How many runs must Nisha score in the next innings to raise the average to 37?
  35. 35.The average of 8 numbers is 24. When one more number is added, the average becomes 25. What number was added?
  36. 36.The average weight of 12 children is 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average weight of 6 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 25 kg of sugar a day for 3 days, and then 67 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.The average of 8 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  40. 40.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 103
  2. 64
  3. 63
  4. 49
  5. 87
  6. 24
  7. 55
  8. 41
  9. 33
  10. 53
  11. 59
  12. 81
  13. 62
  14. 35
  15. 20
  16. 40
  17. 107
  18. 39
  19. 45
  20. 33
  21. 30
  22. 54
  23. 64
  24. 40
  25. 79
  26. 37
  27. 66
  28. 42
  29. 56
  30. 76
  31. 46
  32. 34
  33. 79
  34. 62
  35. 33
  36. 37
  37. 38
  38. 53
  39. 71
  40. 45

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