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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 598 · 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 29 kg of sugar a day for 5 days, and then 51 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.Nisha’s batting average after 6 innings is 29 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  3. 3.The average weight of 10 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Isha’s batting average after 8 innings is 38 runs. How many runs must Isha score in the next innings to raise the average to 42?
  5. 5.Marks of 4 friends in a quiz: 56, 59, 62, 19. What is their average mark?
  6. 6.A shop sells an average of 73 kg of sugar a day for 2 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.A shop sells an average of 45 kg of sugar a day for 2 days, and then 73 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  8. 8.The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  9. 9.A shop sells an average of 33 kg of sugar a day for 3 days, and then 25 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  10. 10.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Tara’s batting average after 15 innings is 50 runs. How many runs must Tara score in the next innings to raise the average to 55?
  12. 12.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  13. 13.The average of 8 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  14. 14.The average of 4 numbers is 47. When one more number is added, the average becomes 49. What number was added?
  15. 15.Tara’s batting average after 7 innings is 26 runs. How many runs must Tara score in the next innings to raise the average to 31?
  16. 16.A shop sells an average of 26 kg of sugar a day for 3 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.A shop sells an average of 25 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)?
  18. 18.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average of 4 numbers is 35. When one more number is added, the average becomes 39. What number was added?
  20. 20.A shop sells an average of 28 kg of sugar a day for 2 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  21. 21.Isha’s batting average after 15 innings is 24 runs. How many runs must Isha score in the next innings to raise the average to 29?
  22. 22.Isha’s batting average after 14 innings is 23 runs. How many runs must Isha score in the next innings to raise the average to 25?
  23. 23.A shop sells an average of 55 kg of sugar a day for 4 days, and then 28 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  24. 24.A shop sells an average of 21 kg of sugar a day for 5 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  25. 25.Aarav’s batting average after 7 innings is 23 runs. How many runs must Aarav score in the next innings to raise the average to 24?
  26. 26.The average of 4 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  27. 27.Marks of 5 friends in a quiz: 35, 12, 16, 9, 43. What is their average mark?
  28. 28.Kabir’s batting average after 14 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  29. 29.The average of 6 numbers is 58. When one more number is added, the average becomes 59. What number was added?
  30. 30.The average of 7 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  31. 31.The average weight of 6 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average weight of 10 children is 27 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.Marks of 5 friends in a quiz: 13, 17, 32, 24, 29. What is their average mark?
  34. 34.Marks of 4 friends in a quiz: 62, 56, 84, 82. What is their average mark?
  35. 35.The average of 7 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  36. 36.A shop sells an average of 48 kg of sugar a day for 2 days, and then 68 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  37. 37.Marks of 5 friends in a quiz: 30, 46, 18, 29, 42. What is their average mark?
  38. 38.Marks of 6 friends in a quiz: 52, 31, 38, 46, 26, 41. What is their average mark?
  39. 39.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 6 children is 34 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 40
  2. 43
  3. 35
  4. 74
  5. 49
  6. 43
  7. 65
  8. 34
  9. 28
  10. 41
  11. 130
  12. 49
  13. 67
  14. 57
  15. 66
  16. 28
  17. 26
  18. 43
  19. 55
  20. 27
  21. 104
  22. 53
  23. 40
  24. 39
  25. 31
  26. 61
  27. 23
  28. 66
  29. 65
  30. 82
  31. 25
  32. 26
  33. 23
  34. 71
  35. 73
  36. 63
  37. 33
  38. 39
  39. 32
  40. 33

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