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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 454 · 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 74 kg of sugar a day for 6 days, and then 36 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  2. 2.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)?
  3. 3.A shop sells an average of 63 kg of sugar a day for 3 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  4. 4.Arjun’s batting average after 11 innings is 42 runs. How many runs must Arjun score in the next innings to raise the average to 43?
  5. 5.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 5 friends in a quiz: 43, 59, 45, 48, 70. What is their average mark?
  7. 7.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Ananya’s batting average after 5 innings is 31 runs. How many runs must Ananya score in the next innings to raise the average to 36?
  9. 9.The average of 9 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  10. 10.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)?
  11. 11.The average weight of 8 children is 42 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 4 numbers is 38. When one more number is added, the average becomes 40. What number was added?
  13. 13.The average of 4 numbers is 50. When one more number is added, the average becomes 55. What number was added?
  14. 14.Saanvi’s batting average after 6 innings is 20 runs. How many runs must Saanvi score in the next innings to raise the average to 25?
  15. 15.Marks of 4 friends in a quiz: 15, 20, 23, 26. What is their average mark?
  16. 16.The average of 8 numbers is 29. When one more number is added, the average becomes 33. What number was added?
  17. 17.A shop sells an average of 44 kg of sugar a day for 6 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.Sneha’s batting average after 12 innings is 26 runs. How many runs must Sneha score in the next innings to raise the average to 30?
  19. 19.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 7 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  21. 21.A shop sells an average of 23 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  22. 22.A shop sells an average of 27 kg of sugar a day for 3 days, and then 62 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  23. 23.Arjun’s batting average after 14 innings is 39 runs. How many runs must Arjun score in the next innings to raise the average to 42?
  24. 24.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average of 8 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  26. 26.The average of 5 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  27. 27.The average weight of 5 children is 43 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 6 friends in a quiz: 31, 41, 30, 43, 39, 80. What is their average mark?
  29. 29.The average of 8 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  30. 30.Marks of 5 friends in a quiz: 16, 22, 25, 40, 37. What is their average mark?
  31. 31.Marks of 5 friends in a quiz: 32, 38, 24, 40, 41. What is their average mark?
  32. 32.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average of 8 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  34. 34.Marks of 4 friends in a quiz: 66, 64, 66, 56. What is their average mark?
  35. 35.Arjun’s batting average after 9 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 46?
  36. 36.The average of 9 numbers is 34. When one more number is added, the average becomes 38. What number was added?
  37. 37.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 47 kg of sugar a day for 2 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  39. 39.The average of 4 numbers is 27. When one more number is added, the average becomes 29. What number was added?
  40. 40.Priya’s batting average after 8 innings is 38 runs. How many runs must Priya score in the next innings to raise the average to 40?

Answer key

  1. 55
  2. 28
  3. 45
  4. 54
  5. 30
  6. 53
  7. 42
  8. 61
  9. 83
  10. 26
  11. 41
  12. 48
  13. 75
  14. 55
  15. 21
  16. 65
  17. 45
  18. 78
  19. 30
  20. 64
  21. 33
  22. 47
  23. 84
  24. 26
  25. 83
  26. 32
  27. 42
  28. 44
  29. 36
  30. 28
  31. 35
  32. 31
  33. 26
  34. 63
  35. 73
  36. 74
  37. 25
  38. 55
  39. 37
  40. 56

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