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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 539 · 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 42 kg of sugar a day for 6 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.Saanvi’s batting average after 7 innings is 25 runs. How many runs must Saanvi score in the next innings to raise the average to 28?
  3. 3.Rohan’s batting average after 12 innings is 32 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  4. 4.Marks of 6 friends in a quiz: 40, 47, 45, 29, 26, 35. What is their average mark?
  5. 5.A shop sells an average of 37 kg of sugar a day for 4 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average of 7 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  7. 7.The average weight of 6 children is 37 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 58, 61, 46, 34, 55, 40. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 37, 30, 58, 31, 69. What is their average mark?
  10. 10.The average of 4 numbers is 52. When one more number is added, the average becomes 54. What number was added?
  11. 11.The average of 4 numbers is 23. When one more number is added, the average becomes 27. What number was added?
  12. 12.The average of 7 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  13. 13.The average of 5 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  14. 14.A shop sells an average of 79 kg of sugar a day for 3 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.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)?
  16. 16.The average weight of 6 children is 41 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 87, 73, 65, 74, 81. What is their average mark?
  18. 18.A shop sells an average of 72 kg of sugar a day for 4 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  19. 19.A shop sells an average of 38 kg of sugar a day for 3 days, and then 66 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 33, 45, 31, 27. What is their average mark?
  21. 21.Aarav’s batting average after 14 innings is 43 runs. How many runs must Aarav score in the next innings to raise the average to 48?
  22. 22.Marks of 4 friends in a quiz: 61, 63, 64, 64. What is their average mark?
  23. 23.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 30 kg of sugar a day for 4 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 57, 52, 50, 42, 50, 25. What is their average mark?
  26. 26.The average weight of 9 children is 40 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Marks of 6 friends in a quiz: 64, 71, 54, 56, 43, 48. What is their average mark?
  28. 28.Marks of 6 friends in a quiz: 24, 32, 33, 38, 51, 38. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 90, 66, 81, 70, 79, 70. What is their average mark?
  30. 30.The average of 6 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  31. 31.The average weight of 8 children is 46 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 4 numbers is 37. When one more number is added, the average becomes 41. What number was added?
  33. 33.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 5 friends in a quiz: 80, 56, 60, 55, 89. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 93, 71, 82, 92, 74, 68. What is their average mark?
  36. 36.Arjun’s batting average after 5 innings is 29 runs. How many runs must Arjun score in the next innings to raise the average to 34?
  37. 37.Marks of 6 friends in a quiz: 53, 37, 48, 35, 55, 66. What is their average mark?
  38. 38.Kabir’s batting average after 5 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 21?
  39. 39.Marks of 5 friends in a quiz: 60, 33, 57, 50, 30. What is their average mark?
  40. 40.Marks of 6 friends in a quiz: 26, 40, 27, 20, 40, 15. What is their average mark?

Answer key

  1. 46
  2. 49
  3. 58
  4. 37
  5. 51
  6. 48
  7. 34
  8. 49
  9. 45
  10. 62
  11. 43
  12. 74
  13. 51
  14. 72
  15. 45
  16. 38
  17. 76
  18. 51
  19. 54
  20. 34
  21. 118
  22. 63
  23. 36
  24. 35
  25. 46
  26. 39
  27. 56
  28. 36
  29. 76
  30. 43
  31. 45
  32. 57
  33. 27
  34. 68
  35. 80
  36. 59
  37. 49
  38. 26
  39. 46
  40. 28

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