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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 79 · 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.The average of 4 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  2. 2.Karan’s batting average after 13 innings is 46 runs. How many runs must Karan score in the next innings to raise the average to 50?
  3. 3.The average of 4 numbers is 29. When one more number is added, the average becomes 30. What number was added?
  4. 4.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Arjun’s batting average after 9 innings is 48 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  6. 6.The average of 4 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  7. 7.A shop sells an average of 80 kg of sugar a day for 3 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  8. 8.The average weight of 9 children is 38 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Diya’s batting average after 10 innings is 30 runs. How many runs must Diya score in the next innings to raise the average to 32?
  10. 10.A shop sells an average of 65 kg of sugar a day for 6 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average of 4 numbers is 24. When one more number is added, the average becomes 27. What number was added?
  12. 12.A shop sells an average of 52 kg of sugar a day for 4 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  13. 13.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 7 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  15. 15.A shop sells an average of 65 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  16. 16.Marks of 4 friends in a quiz: 25, 15, 33, 19. What is their average mark?
  17. 17.The average of 7 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  18. 18.Marks of 5 friends in a quiz: 14, 17, 28, 16, 40. What is their average mark?
  19. 19.The average of 7 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  20. 20.Kavya’s batting average after 9 innings is 35 runs. How many runs must Kavya score in the next innings to raise the average to 36?
  21. 21.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 9 numbers is 22. When one more number is added, the average becomes 25. What number was added?
  23. 23.Nisha’s batting average after 15 innings is 22 runs. How many runs must Nisha score in the next innings to raise the average to 27?
  24. 24.A shop sells an average of 56 kg of sugar a day for 2 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.The average weight of 10 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 8 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  27. 27.A shop sells an average of 72 kg of sugar a day for 2 days, and then 32 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  28. 28.A shop sells an average of 69 kg of sugar a day for 2 days, and then 48 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  29. 29.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)?
  30. 30.The average weight of 8 children is 29 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 7 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  32. 32.The average of 5 numbers is 49. When one more number is added, the average becomes 50. What number was added?
  33. 33.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.The average weight of 9 children is 46 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 49 kg of sugar a day for 3 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  37. 37.Marks of 5 friends in a quiz: 74, 58, 62, 75, 46. What is their average mark?
  38. 38.The average weight of 9 children is 30 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 5 friends in a quiz: 71, 72, 59, 76, 62. What is their average mark?
  40. 40.The average of 9 numbers is 27. When one more number is added, the average becomes 29. What number was added?

Answer key

  1. 31
  2. 102
  3. 34
  4. 25
  5. 78
  6. 32
  7. 64
  8. 37
  9. 52
  10. 63
  11. 39
  12. 60
  13. 32
  14. 90
  15. 48
  16. 23
  17. 50
  18. 23
  19. 73
  20. 45
  21. 37
  22. 52
  23. 102
  24. 64
  25. 26
  26. 69
  27. 52
  28. 54
  29. 29
  30. 26
  31. 65
  32. 55
  33. 31
  34. 37
  35. 45
  36. 41
  37. 63
  38. 28
  39. 68
  40. 47

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