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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 69 · 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 70 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  2. 2.The average of 8 numbers is 28. When one more number is added, the average becomes 31. What number was added?
  3. 3.Meera’s batting average after 6 innings is 22 runs. How many runs must Meera score in the next innings to raise the average to 24?
  4. 4.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 5 numbers is 18. When one more number is added, the average becomes 23. What number was added?
  6. 6.The average weight of 10 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 5 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  8. 8.Marks of 4 friends in a quiz: 39, 46, 56, 23. What is their average mark?
  9. 9.Rohan’s batting average after 9 innings is 29 runs. How many runs must Rohan score in the next innings to raise the average to 34?
  10. 10.The average of 9 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  11. 11.The average of 4 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  12. 12.The average of 8 numbers is 60. When one more number is added, the average becomes 65. What number was added?
  13. 13.Ishaan’s batting average after 7 innings is 50 runs. How many runs must Ishaan score in the next innings to raise the average to 52?
  14. 14.The average of 5 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  15. 15.Aarav’s batting average after 10 innings is 38 runs. How many runs must Aarav score in the next innings to raise the average to 39?
  16. 16.Vivaan’s batting average after 7 innings is 33 runs. How many runs must Vivaan score in the next innings to raise the average to 34?
  17. 17.The average of 5 numbers is 42. When one more number is added, the average becomes 43. What number was added?
  18. 18.Kavya’s batting average after 5 innings is 36 runs. How many runs must Kavya score in the next innings to raise the average to 37?
  19. 19.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.Isha’s batting average after 9 innings is 49 runs. How many runs must Isha score in the next innings to raise the average to 50?
  21. 21.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)?
  22. 22.The average of 6 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  23. 23.The average of 4 numbers is 16. When one more number is added, the average becomes 17. What number was added?
  24. 24.A shop sells an average of 26 kg of sugar a day for 6 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 25, 51, 28, 48. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 72, 87, 85, 72. What is their average mark?
  27. 27.Marks of 5 friends in a quiz: 78, 98, 87, 84, 98. What is their average mark?
  28. 28.Dev’s batting average after 6 innings is 24 runs. How many runs must Dev score in the next innings to raise the average to 29?
  29. 29.A shop sells an average of 48 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  30. 30.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 7 numbers is 38. When one more number is added, the average becomes 39. What number was added?
  32. 32.The average weight of 8 children is 46 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 6 friends in a quiz: 27, 24, 37, 14, 30, 6. What is their average mark?
  34. 34.The average of 4 numbers is 33. When one more number is added, the average becomes 36. What number was added?
  35. 35.A shop sells an average of 78 kg of sugar a day for 6 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  36. 36.The average of 7 numbers is 50. When one more number is added, the average becomes 53. What number was added?
  37. 37.Meera’s batting average after 9 innings is 46 runs. How many runs must Meera score in the next innings to raise the average to 49?
  38. 38.Zoya’s batting average after 12 innings is 28 runs. How many runs must Zoya score in the next innings to raise the average to 33?
  39. 39.Zoya’s batting average after 6 innings is 39 runs. How many runs must Zoya score in the next innings to raise the average to 40?
  40. 40.A shop sells an average of 50 kg of sugar a day for 5 days, and then 58 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 56
  2. 55
  3. 36
  4. 27
  5. 48
  6. 29
  7. 54
  8. 41
  9. 79
  10. 43
  11. 45
  12. 105
  13. 66
  14. 64
  15. 49
  16. 41
  17. 48
  18. 42
  19. 36
  20. 59
  21. 42
  22. 30
  23. 21
  24. 47
  25. 38
  26. 79
  27. 89
  28. 59
  29. 37
  30. 40
  31. 46
  32. 43
  33. 23
  34. 48
  35. 54
  36. 74
  37. 76
  38. 93
  39. 46
  40. 53

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