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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 566 · 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 35 kg of sugar a day for 2 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.Marks of 4 friends in a quiz: 94, 80, 88, 94. What is their average mark?
  3. 3.The average of 9 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  4. 4.The average of 8 numbers is 27. When one more number is added, the average becomes 30. What number was added?
  5. 5.Kabir’s batting average after 10 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  6. 6.A shop sells an average of 64 kg of sugar a day for 6 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  7. 7.The average of 7 numbers is 41. When one more number is added, the average becomes 47. What number was added?
  8. 8.The average of 8 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  9. 9.The average of 8 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  10. 10.A shop sells an average of 50 kg of sugar a day for 4 days, and then 45 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.Marks of 6 friends in a quiz: 39, 62, 53, 58, 57, 43. What is their average mark?
  12. 12.The average weight of 8 children is 45 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 74 kg of sugar a day for 4 days, and then 39 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 7 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 4 friends in a quiz: 85, 92, 76, 59. What is their average mark?
  18. 18.A shop sells an average of 32 kg of sugar a day for 2 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  19. 19.Karan’s batting average after 7 innings is 47 runs. How many runs must Karan score in the next innings to raise the average to 52?
  20. 20.Kavya’s batting average after 13 innings is 24 runs. How many runs must Kavya score in the next innings to raise the average to 26?
  21. 21.Marks of 6 friends in a quiz: 71, 54, 53, 71, 63, 30. What is their average mark?
  22. 22.Isha’s batting average after 12 innings is 30 runs. How many runs must Isha score in the next innings to raise the average to 32?
  23. 23.A shop sells an average of 64 kg of sugar a day for 6 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Marks of 5 friends in a quiz: 38, 48, 32, 55, 52. What is their average mark?
  25. 25.Karan’s batting average after 6 innings is 23 runs. How many runs must Karan score in the next innings to raise the average to 25?
  26. 26.Marks of 5 friends in a quiz: 86, 91, 91, 87, 40. What is their average mark?
  27. 27.The average of 6 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  28. 28.The average of 9 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  29. 29.A shop sells an average of 54 kg of sugar a day for 4 days, and then 30 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.A shop sells an average of 46 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)?
  31. 31.The average of 5 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  32. 32.Marks of 5 friends in a quiz: 46, 38, 58, 57, 16. What is their average mark?
  33. 33.Rohan’s batting average after 15 innings is 38 runs. How many runs must Rohan score in the next innings to raise the average to 39?
  34. 34.The average of 9 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  35. 35.A shop sells an average of 67 kg of sugar a day for 2 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  36. 36.The average of 6 numbers is 22. When one more number is added, the average becomes 26. What number was added?
  37. 37.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average of 8 numbers is 42. When one more number is added, the average becomes 46. What number was added?
  39. 39.The average weight of 8 children is 44 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Diya’s batting average after 7 innings is 38 runs. How many runs must Diya score in the next innings to raise the average to 39?

Answer key

  1. 50
  2. 89
  3. 81
  4. 54
  5. 32
  6. 49
  7. 89
  8. 98
  9. 91
  10. 47
  11. 52
  12. 43
  13. 53
  14. 40
  15. 42
  16. 34
  17. 78
  18. 36
  19. 87
  20. 52
  21. 57
  22. 56
  23. 67
  24. 45
  25. 37
  26. 79
  27. 57
  28. 92
  29. 46
  30. 38
  31. 35
  32. 43
  33. 54
  34. 35
  35. 47
  36. 50
  37. 41
  38. 78
  39. 42
  40. 46

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