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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 583 · 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 weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average of 9 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  3. 3.A shop sells an average of 63 kg of sugar a day for 3 days, and then 69 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Marks of 5 friends in a quiz: 92, 71, 75, 79, 88. What is their average mark?
  5. 5.Marks of 5 friends in a quiz: 57, 49, 65, 62, 17. What is their average mark?
  6. 6.The average of 4 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  7. 7.Marks of 5 friends in a quiz: 22, 26, 43, 26, 48. What is their average mark?
  8. 8.The average of 4 numbers is 20. When one more number is added, the average becomes 24. What number was added?
  9. 9.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 4 friends in a quiz: 64, 65, 67, 40. What is their average mark?
  11. 11.A shop sells an average of 46 kg of sugar a day for 5 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  12. 12.Kabir’s batting average after 13 innings is 27 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  13. 13.The average of 8 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  14. 14.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  16. 16.Marks of 5 friends in a quiz: 39, 41, 49, 49, 72. What is their average mark?
  17. 17.Ishaan’s batting average after 15 innings is 24 runs. How many runs must Ishaan score in the next innings to raise the average to 28?
  18. 18.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 66 kg of sugar a day for 5 days, and then 74 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  20. 20.Marks of 5 friends in a quiz: 13, 28, 25, 16, 43. What is their average mark?
  21. 21.Aarav’s batting average after 6 innings is 46 runs. How many runs must Aarav score in the next innings to raise the average to 47?
  22. 22.A shop sells an average of 25 kg of sugar a day for 2 days, and then 52 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.The average of 8 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  24. 24.A shop sells an average of 47 kg of sugar a day for 3 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.The average weight of 6 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Saanvi’s batting average after 10 innings is 50 runs. How many runs must Saanvi score in the next innings to raise the average to 53?
  27. 27.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 9 children is 41 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 5 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  31. 31.Marks of 4 friends in a quiz: 36, 38, 28, 62. What is their average mark?
  32. 32.Isha’s batting average after 10 innings is 39 runs. How many runs must Isha score in the next innings to raise the average to 42?
  33. 33.A shop sells an average of 45 kg of sugar a day for 3 days, and then 73 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 75, 84, 88, 95, 63. What is their average mark?
  35. 35.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Karan’s batting average after 7 innings is 32 runs. How many runs must Karan score in the next innings to raise the average to 37?
  37. 37.The average weight of 6 children is 34 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Marks of 4 friends in a quiz: 31, 30, 23, 52. What is their average mark?
  39. 39.Tara’s batting average after 5 innings is 33 runs. How many runs must Tara score in the next innings to raise the average to 37?
  40. 40.A shop sells an average of 49 kg of sugar a day for 2 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?

Answer key

  1. 34
  2. 94
  3. 66
  4. 81
  5. 50
  6. 48
  7. 33
  8. 40
  9. 36
  10. 59
  11. 48
  12. 83
  13. 63
  14. 38
  15. 27
  16. 50
  17. 88
  18. 26
  19. 70
  20. 25
  21. 53
  22. 43
  23. 42
  24. 37
  25. 29
  26. 83
  27. 27
  28. 39
  29. 28
  30. 65
  31. 41
  32. 72
  33. 59
  34. 81
  35. 42
  36. 72
  37. 31
  38. 34
  39. 57
  40. 40

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