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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 411 · 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 60 kg of sugar a day for 4 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.Dev’s batting average after 15 innings is 45 runs. How many runs must Dev score in the next innings to raise the average to 50?
  3. 3.The average of 8 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  4. 4.Marks of 6 friends in a quiz: 94, 96, 95, 92, 78, 43. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 61, 75, 67, 81. What is their average mark?
  6. 6.Marks of 5 friends in a quiz: 47, 40, 43, 31, 54. What is their average mark?
  7. 7.The average of 6 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  8. 8.A shop sells an average of 60 kg of sugar a day for 2 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  9. 9.Ananya’s batting average after 10 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 26?
  10. 10.The average of 8 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  11. 11.Nisha’s batting average after 15 innings is 36 runs. How many runs must Nisha score in the next innings to raise the average to 37?
  12. 12.Priya’s batting average after 10 innings is 50 runs. How many runs must Priya score in the next innings to raise the average to 54?
  13. 13.The average weight of 7 children is 27 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Marks of 5 friends in a quiz: 99, 74, 83, 98, 76. What is their average mark?
  15. 15.The average of 6 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  16. 16.The average of 5 numbers is 59. When one more number is added, the average becomes 62. What number was added?
  17. 17.The average of 9 numbers is 23. When one more number is added, the average becomes 29. What number was added?
  18. 18.The average of 7 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  19. 19.Dev’s batting average after 6 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 23?
  20. 20.The average weight of 8 children is 43 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 5 children is 35 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 5 numbers is 60. When one more number is added, the average becomes 61. What number was added?
  23. 23.A shop sells an average of 34 kg of sugar a day for 6 days, and then 55 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.A shop sells an average of 61 kg of sugar a day for 6 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.The average of 5 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  26. 26.A shop sells an average of 20 kg of sugar a day for 3 days, and then 76 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  27. 27.Marks of 4 friends in a quiz: 8, 23, 17, 44. What is their average mark?
  28. 28.The average of 7 numbers is 46. When one more number is added, the average becomes 52. What number was added?
  29. 29.A shop sells an average of 73 kg of sugar a day for 6 days, and then 51 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  30. 30.Marks of 5 friends in a quiz: 32, 25, 42, 30, 71. What is their average mark?
  31. 31.Dev’s batting average after 7 innings is 35 runs. How many runs must Dev score in the next innings to raise the average to 40?
  32. 32.The average weight of 7 children is 30 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 6 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  34. 34.Tara’s batting average after 8 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 35?
  35. 35.The average weight of 10 children is 29 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 60, 41, 53, 55, 21. What is their average mark?
  37. 37.The average weight of 9 children is 28 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 68 kg of sugar a day for 2 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.The average weight of 12 children is 39 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 9 numbers is 25. When one more number is added, the average becomes 27. What number was added?

Answer key

  1. 48
  2. 125
  3. 56
  4. 83
  5. 71
  6. 43
  7. 64
  8. 45
  9. 36
  10. 37
  11. 52
  12. 94
  13. 26
  14. 86
  15. 40
  16. 77
  17. 83
  18. 48
  19. 29
  20. 41
  21. 33
  22. 66
  23. 41
  24. 49
  25. 34
  26. 55
  27. 23
  28. 94
  29. 63
  30. 40
  31. 75
  32. 29
  33. 64
  34. 51
  35. 28
  36. 46
  37. 26
  38. 64
  39. 38
  40. 45

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