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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 382 · 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.A shop sells an average of 30 kg of sugar a day for 3 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  2. 2.Karan’s batting average after 15 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 28?
  3. 3.The average weight of 8 children is 32 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.A shop sells an average of 21 kg of sugar a day for 6 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Marks of 5 friends in a quiz: 45, 42, 54, 40, 94. What is their average mark?
  6. 6.Tara’s batting average after 12 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 31?
  7. 7.Marks of 5 friends in a quiz: 81, 97, 96, 95, 81. What is their average mark?
  8. 8.The average weight of 10 children is 46 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.The average of 4 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  10. 10.Marks of 6 friends in a quiz: 16, 16, 18, 20, 38, 48. What is their average mark?
  11. 11.Marks of 5 friends in a quiz: 91, 102, 90, 102, 60. What is their average mark?
  12. 12.Saanvi’s batting average after 5 innings is 22 runs. How many runs must Saanvi score in the next innings to raise the average to 23?
  13. 13.The average weight of 6 children is 32 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 6 friends in a quiz: 35, 48, 58, 38, 54, 43. What is their average mark?
  15. 15.Marks of 4 friends in a quiz: 49, 71, 50, 66. What is their average mark?
  16. 16.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 5 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  18. 18.Tara’s batting average after 12 innings is 46 runs. How many runs must Tara score in the next innings to raise the average to 47?
  19. 19.The average weight of 7 children is 43 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Marks of 5 friends in a quiz: 63, 62, 67, 58, 90. What is their average mark?
  21. 21.The average of 6 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  22. 22.A shop sells an average of 73 kg of sugar a day for 4 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.Marks of 5 friends in a quiz: 71, 51, 52, 64, 87. What is their average mark?
  24. 24.The average of 5 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  25. 25.Marks of 5 friends in a quiz: 44, 46, 52, 57, 26. What is their average mark?
  26. 26.The average weight of 12 children is 33 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 35, 26, 32, 8, 10, 21. What is their average mark?
  28. 28.The average weight of 6 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.Marks of 4 friends in a quiz: 41, 71, 45, 67. What is their average mark?
  30. 30.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 50, 69, 55, 70. What is their average mark?
  32. 32.Rohan’s batting average after 5 innings is 25 runs. How many runs must Rohan score in the next innings to raise the average to 30?
  33. 33.Marks of 6 friends in a quiz: 39, 33, 31, 35, 44, 28. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 97, 76, 75, 80. What is their average mark?
  35. 35.The average weight of 11 children is 28 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 9 numbers is 57. When one more number is added, the average becomes 61. What number was added?
  38. 38.Marks of 5 friends in a quiz: 47, 21, 48, 28, 36. What is their average mark?
  39. 39.Marks of 4 friends in a quiz: 46, 50, 61, 51. What is their average mark?
  40. 40.Pooja’s batting average after 8 innings is 37 runs. How many runs must Pooja score in the next innings to raise the average to 39?

Answer key

  1. 36
  2. 103
  3. 30
  4. 27
  5. 55
  6. 43
  7. 90
  8. 43
  9. 48
  10. 26
  11. 89
  12. 28
  13. 31
  14. 46
  15. 59
  16. 36
  17. 27
  18. 59
  19. 42
  20. 68
  21. 80
  22. 63
  23. 65
  24. 48
  25. 45
  26. 32
  27. 22
  28. 30
  29. 56
  30. 44
  31. 61
  32. 55
  33. 35
  34. 82
  35. 26
  36. 43
  37. 97
  38. 36
  39. 52
  40. 55

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