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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 570 · 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 59 kg of sugar a day for 3 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  2. 2.A shop sells an average of 63 kg of sugar a day for 2 days, and then 48 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.The average weight of 10 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 6 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  5. 5.The average weight of 7 children is 45 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Rohan’s batting average after 11 innings is 46 runs. How many runs must Rohan score in the next innings to raise the average to 48?
  7. 7.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)?
  8. 8.A shop sells an average of 27 kg of sugar a day for 5 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  9. 9.The average of 5 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  10. 10.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)?
  11. 11.Isha’s batting average after 13 innings is 28 runs. How many runs must Isha score in the next innings to raise the average to 29?
  12. 12.Marks of 6 friends in a quiz: 55, 56, 59, 50, 38, 12. What is their average mark?
  13. 13.The average of 7 numbers is 52. When one more number is added, the average becomes 56. What number was added?
  14. 14.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Vivaan’s batting average after 15 innings is 37 runs. How many runs must Vivaan score in the next innings to raise the average to 40?
  16. 16.The average weight of 12 children is 39 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Kabir’s batting average after 7 innings is 49 runs. How many runs must Kabir score in the next innings to raise the average to 50?
  18. 18.Marks of 4 friends in a quiz: 57, 54, 61, 16. What is their average mark?
  19. 19.Ananya’s batting average after 12 innings is 47 runs. How many runs must Ananya score in the next innings to raise the average to 48?
  20. 20.Marks of 6 friends in a quiz: 59, 41, 52, 52, 45, 15. What is their average mark?
  21. 21.The average weight of 7 children is 44 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 5 friends in a quiz: 52, 68, 50, 56, 89. What is their average mark?
  23. 23.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Rahul’s batting average after 5 innings is 37 runs. How many runs must Rahul score in the next innings to raise the average to 39?
  25. 25.A shop sells an average of 39 kg of sugar a day for 6 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  26. 26.Marks of 6 friends in a quiz: 53, 51, 75, 55, 62, 94. What is their average mark?
  27. 27.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)?
  28. 28.The average of 7 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  29. 29.The average of 8 numbers is 44. When one more number is added, the average becomes 48. What number was added?
  30. 30.Marks of 4 friends in a quiz: 75, 102, 89, 94. What is their average mark?
  31. 31.Farhan’s batting average after 7 innings is 44 runs. How many runs must Farhan score in the next innings to raise the average to 48?
  32. 32.The average of 7 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  33. 33.The average weight of 11 children is 41 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 5 friends in a quiz: 104, 81, 94, 81, 85. What is their average mark?
  35. 35.A shop sells an average of 72 kg of sugar a day for 2 days, and then 64 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  36. 36.The average weight of 10 children is 45 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Diya’s batting average after 5 innings is 29 runs. How many runs must Diya score in the next innings to raise the average to 34?
  38. 38.Ishaan’s batting average after 9 innings is 48 runs. How many runs must Ishaan score in the next innings to raise the average to 50?
  39. 39.Kavya’s batting average after 6 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 34?
  40. 40.Rohan’s batting average after 12 innings is 44 runs. How many runs must Rohan score in the next innings to raise the average to 46?

Answer key

  1. 53
  2. 53
  3. 30
  4. 45
  5. 44
  6. 70
  7. 41
  8. 39
  9. 41
  10. 28
  11. 42
  12. 45
  13. 84
  14. 39
  15. 85
  16. 37
  17. 57
  18. 47
  19. 60
  20. 44
  21. 43
  22. 63
  23. 30
  24. 49
  25. 53
  26. 65
  27. 30
  28. 55
  29. 80
  30. 90
  31. 76
  32. 52
  33. 39
  34. 89
  35. 66
  36. 44
  37. 59
  38. 68
  39. 58
  40. 70

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