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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 747 · 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 weight of 9 children is 43 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 6 friends in a quiz: 70, 51, 70, 58, 48, 69. What is their average mark?
  3. 3.Marks of 4 friends in a quiz: 85, 80, 93, 78. What is their average mark?
  4. 4.The average of 4 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  5. 5.Marks of 4 friends in a quiz: 67, 93, 82, 86. What is their average mark?
  6. 6.Marks of 6 friends in a quiz: 73, 73, 70, 65, 55, 84. What is their average mark?
  7. 7.Farhan’s batting average after 7 innings is 25 runs. How many runs must Farhan score in the next innings to raise the average to 28?
  8. 8.The average weight of 11 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 49, 44, 58, 69. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 83, 67, 77, 97. What is their average mark?
  11. 11.The average weight of 6 children is 47 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Saanvi’s batting average after 14 innings is 31 runs. How many runs must Saanvi score in the next innings to raise the average to 33?
  13. 13.Marks of 6 friends in a quiz: 73, 48, 59, 72, 64, 62. What is their average mark?
  14. 14.The average of 6 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  15. 15.The average of 4 numbers is 60. When one more number is added, the average becomes 63. What number was added?
  16. 16.Nisha’s batting average after 6 innings is 20 runs. How many runs must Nisha score in the next innings to raise the average to 21?
  17. 17.The average of 8 numbers is 26. When one more number is added, the average becomes 32. What number was added?
  18. 18.A shop sells an average of 34 kg of sugar a day for 3 days, and then 46 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  19. 19.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)?
  20. 20.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)?
  21. 21.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average weight of 6 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.The average weight of 12 children is 48 kg. One child, who weighs 81 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 68 kg of sugar a day for 2 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  25. 25.Ananya’s batting average after 13 innings is 37 runs. How many runs must Ananya score in the next innings to raise the average to 42?
  26. 26.Marks of 4 friends in a quiz: 59, 72, 69, 80. What is their average mark?
  27. 27.The average weight of 8 children is 48 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 5 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  29. 29.Tara’s batting average after 8 innings is 49 runs. How many runs must Tara score in the next innings to raise the average to 50?
  30. 30.Marks of 4 friends in a quiz: 34, 42, 38, 50. What is their average mark?
  31. 31.The average of 4 numbers is 32. When one more number is added, the average becomes 33. What number was added?
  32. 32.The average of 9 numbers is 56. When one more number is added, the average becomes 57. What number was added?
  33. 33.A shop sells an average of 71 kg of sugar a day for 5 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.The average of 9 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  35. 35.Ananya’s batting average after 7 innings is 41 runs. How many runs must Ananya score in the next innings to raise the average to 42?
  36. 36.Marks of 6 friends in a quiz: 64, 60, 80, 77, 73, 84. What is their average mark?
  37. 37.The average weight of 5 children is 47 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 5 friends in a quiz: 29, 35, 45, 42, 29. What is their average mark?
  39. 39.Karan’s batting average after 10 innings is 36 runs. How many runs must Karan score in the next innings to raise the average to 41?
  40. 40.Marks of 6 friends in a quiz: 96, 102, 102, 99, 85, 38. What is their average mark?

Answer key

  1. 40
  2. 61
  3. 84
  4. 31
  5. 82
  6. 70
  7. 49
  8. 29
  9. 55
  10. 81
  11. 45
  12. 61
  13. 63
  14. 50
  15. 75
  16. 27
  17. 80
  18. 42
  19. 43
  20. 37
  21. 29
  22. 44
  23. 45
  24. 59
  25. 107
  26. 70
  27. 45
  28. 82
  29. 58
  30. 41
  31. 37
  32. 66
  33. 62
  34. 75
  35. 49
  36. 73
  37. 45
  38. 36
  39. 91
  40. 87

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