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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 426 · 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.Marks of 4 friends in a quiz: 98, 98, 94, 62. What is their average mark?
  2. 2.The average weight of 7 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Kabir’s batting average after 9 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 42?
  4. 4.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Nisha’s batting average after 15 innings is 47 runs. How many runs must Nisha score in the next innings to raise the average to 49?
  6. 6.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Ananya’s batting average after 6 innings is 45 runs. How many runs must Ananya score in the next innings to raise the average to 50?
  8. 8.Rahul’s batting average after 12 innings is 26 runs. How many runs must Rahul score in the next innings to raise the average to 31?
  9. 9.The average weight of 9 children is 40 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 6 friends in a quiz: 29, 18, 9, 13, 35, 16. What is their average mark?
  11. 11.The average weight of 11 children is 45 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Meera’s batting average after 15 innings is 40 runs. How many runs must Meera score in the next innings to raise the average to 43?
  13. 13.A shop sells an average of 54 kg of sugar a day for 6 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  14. 14.Marks of 4 friends in a quiz: 45, 65, 44, 50. What is their average mark?
  15. 15.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 52 kg of sugar a day for 2 days, and then 66 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.Marks of 5 friends in a quiz: 46, 36, 27, 29, 52. What is their average mark?
  18. 18.Marks of 4 friends in a quiz: 16, 38, 19, 31. What is their average mark?
  19. 19.The average weight of 8 children is 47 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 43, 42, 43, 42, 46, 12. What is their average mark?
  22. 22.Rahul’s batting average after 5 innings is 44 runs. How many runs must Rahul score in the next innings to raise the average to 48?
  23. 23.Marks of 5 friends in a quiz: 62, 68, 44, 71, 40. What is their average mark?
  24. 24.A shop sells an average of 36 kg of sugar a day for 3 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.A shop sells an average of 56 kg of sugar a day for 4 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.The average weight of 7 children is 42 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 6 children is 39 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.A shop sells an average of 25 kg of sugar a day for 2 days, and then 73 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  29. 29.Marks of 5 friends in a quiz: 78, 73, 61, 65, 93. What is their average mark?
  30. 30.A shop sells an average of 79 kg of sugar a day for 6 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  31. 31.Marks of 5 friends in a quiz: 37, 43, 22, 34, 24. What is their average mark?
  32. 32.The average of 7 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  33. 33.The average of 9 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  34. 34.Marks of 5 friends in a quiz: 34, 14, 22, 38, 32. What is their average mark?
  35. 35.The average of 7 numbers is 40. When one more number is added, the average becomes 42. What number was added?
  36. 36.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 85, 78, 92, 93. What is their average mark?
  38. 38.Marks of 4 friends in a quiz: 14, 29, 28, 9. What is their average mark?
  39. 39.A shop sells an average of 60 kg of sugar a day for 6 days, and then 54 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  40. 40.Manav’s batting average after 7 innings is 44 runs. How many runs must Manav score in the next innings to raise the average to 45?

Answer key

  1. 88
  2. 32
  3. 51
  4. 30
  5. 79
  6. 38
  7. 80
  8. 91
  9. 38
  10. 20
  11. 42
  12. 88
  13. 66
  14. 51
  15. 28
  16. 59
  17. 38
  18. 26
  19. 44
  20. 33
  21. 38
  22. 68
  23. 57
  24. 54
  25. 61
  26. 41
  27. 37
  28. 61
  29. 74
  30. 69
  31. 32
  32. 66
  33. 86
  34. 28
  35. 56
  36. 30
  37. 87
  38. 20
  39. 57
  40. 52

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