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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 614 · 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 7 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  2. 2.Aarav’s batting average after 11 innings is 44 runs. How many runs must Aarav score in the next innings to raise the average to 49?
  3. 3.Nisha’s batting average after 11 innings is 49 runs. How many runs must Nisha score in the next innings to raise the average to 53?
  4. 4.The average weight of 9 children is 28 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 4 friends in a quiz: 49, 44, 56, 71. What is their average mark?
  6. 6.A shop sells an average of 35 kg of sugar a day for 6 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.Marks of 4 friends in a quiz: 26, 40, 46, 28. What is their average mark?
  8. 8.Marks of 6 friends in a quiz: 28, 30, 21, 28, 17, 38. What is their average mark?
  9. 9.The average of 5 numbers is 19. When one more number is added, the average becomes 23. What number was added?
  10. 10.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)?
  11. 11.Saanvi’s batting average after 10 innings is 33 runs. How many runs must Saanvi score in the next innings to raise the average to 37?
  12. 12.Ananya’s batting average after 6 innings is 35 runs. How many runs must Ananya score in the next innings to raise the average to 40?
  13. 13.A shop sells an average of 44 kg of sugar a day for 4 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.The average weight of 10 children is 48 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 7 numbers is 32. When one more number is added, the average becomes 38. What number was added?
  16. 16.Rahul’s batting average after 6 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 22?
  17. 17.The average weight of 8 children is 39 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 6 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Priya’s batting average after 7 innings is 45 runs. How many runs must Priya score in the next innings to raise the average to 50?
  20. 20.The average of 4 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  21. 21.The average of 4 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  22. 22.Marks of 6 friends in a quiz: 31, 28, 30, 30, 29, 80. What is their average mark?
  23. 23.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 29 kg of sugar a day for 6 days, and then 25 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  25. 25.Marks of 4 friends in a quiz: 58, 57, 39, 18. What is their average mark?
  26. 26.The average weight of 9 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average of 4 numbers is 42. When one more number is added, the average becomes 45. What number was added?
  29. 29.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.A shop sells an average of 31 kg of sugar a day for 3 days, and then 67 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.A shop sells an average of 20 kg of sugar a day for 6 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  32. 32.Aarav’s batting average after 9 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 23?
  33. 33.Marks of 4 friends in a quiz: 77, 96, 79, 72. What is their average mark?
  34. 34.A shop sells an average of 66 kg of sugar a day for 4 days, and then 60 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  35. 35.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Vivaan’s batting average after 9 innings is 27 runs. How many runs must Vivaan score in the next innings to raise the average to 28?
  37. 37.A shop sells an average of 51 kg of sugar a day for 2 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  38. 38.Marks of 5 friends in a quiz: 85, 80, 60, 80, 70. What is their average mark?
  39. 39.The average of 5 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  40. 40.A shop sells an average of 80 kg of sugar a day for 6 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?

Answer key

  1. 57
  2. 104
  3. 97
  4. 26
  5. 55
  6. 34
  7. 35
  8. 27
  9. 43
  10. 37
  11. 77
  12. 70
  13. 39
  14. 45
  15. 80
  16. 34
  17. 37
  18. 26
  19. 85
  20. 33
  21. 47
  22. 38
  23. 40
  24. 28
  25. 43
  26. 40
  27. 28
  28. 57
  29. 37
  30. 49
  31. 37
  32. 32
  33. 81
  34. 64
  35. 45
  36. 37
  37. 30
  38. 75
  39. 69
  40. 73

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