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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 320 · 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 71 kg of sugar a day for 3 days, and then 36 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  2. 2.A shop sells an average of 40 kg of sugar a day for 3 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Marks of 6 friends in a quiz: 63, 77, 73, 76, 52, 61. What is their average mark?
  4. 4.Rohan’s batting average after 15 innings is 31 runs. How many runs must Rohan score in the next innings to raise the average to 33?
  5. 5.A shop sells an average of 28 kg of sugar a day for 2 days, and then 56 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  6. 6.Marks of 5 friends in a quiz: 70, 64, 86, 64, 71. What is their average mark?
  7. 7.The average weight of 11 children is 37 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 45, 69, 62, 52. What is their average mark?
  9. 9.A shop sells an average of 41 kg of sugar a day for 5 days, and then 63 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.Farhan’s batting average after 10 innings is 37 runs. How many runs must Farhan score in the next innings to raise the average to 41?
  11. 11.Marks of 6 friends in a quiz: 71, 64, 54, 45, 75, 51. What is their average mark?
  12. 12.A shop sells an average of 76 kg of sugar a day for 4 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.The average of 5 numbers is 46. When one more number is added, the average becomes 50. What number was added?
  14. 14.The average of 4 numbers is 52. When one more number is added, the average becomes 57. What number was added?
  15. 15.Marks of 5 friends in a quiz: 27, 31, 31, 42, 64. What is their average mark?
  16. 16.Nisha’s batting average after 13 innings is 37 runs. How many runs must Nisha score in the next innings to raise the average to 38?
  17. 17.The average of 4 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  18. 18.Marks of 6 friends in a quiz: 44, 39, 41, 45, 43, 70. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 93, 84, 81, 94, 48. What is their average mark?
  20. 20.A shop sells an average of 54 kg of sugar a day for 2 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  21. 21.Marks of 5 friends in a quiz: 36, 28, 43, 39, 24. What is their average mark?
  22. 22.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.Tara’s batting average after 12 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 28?
  24. 24.A shop sells an average of 63 kg of sugar a day for 4 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.The average of 5 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  26. 26.A shop sells an average of 34 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.The average weight of 8 children is 28 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 4 friends in a quiz: 69, 61, 57, 65. What is their average mark?
  29. 29.Meera’s batting average after 7 innings is 42 runs. How many runs must Meera score in the next innings to raise the average to 43?
  30. 30.The average weight of 12 children is 35 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Priya’s batting average after 9 innings is 22 runs. How many runs must Priya score in the next innings to raise the average to 27?
  32. 32.The average weight of 5 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 6 friends in a quiz: 46, 72, 46, 61, 72, 69. What is their average mark?
  34. 34.Rohan’s batting average after 8 innings is 48 runs. How many runs must Rohan score in the next innings to raise the average to 51?
  35. 35.Marks of 4 friends in a quiz: 38, 26, 37, 47. What is their average mark?
  36. 36.Isha’s batting average after 6 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 39?
  37. 37.The average weight of 8 children is 38 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 4 friends in a quiz: 24, 19, 45, 44. What is their average mark?
  39. 39.The average weight of 9 children is 38 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 5 friends in a quiz: 23, 36, 29, 26, 31. What is their average mark?

Answer key

  1. 57
  2. 39
  3. 67
  4. 63
  5. 49
  6. 71
  7. 35
  8. 57
  9. 52
  10. 81
  11. 60
  12. 59
  13. 70
  14. 77
  15. 39
  16. 51
  17. 47
  18. 47
  19. 80
  20. 40
  21. 34
  22. 27
  23. 52
  24. 52
  25. 76
  26. 55
  27. 27
  28. 63
  29. 50
  30. 33
  31. 72
  32. 38
  33. 61
  34. 75
  35. 37
  36. 57
  37. 35
  38. 33
  39. 35
  40. 29

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