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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 81 · 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 12 children is 38 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 59 kg of sugar a day for 6 days, and then 69 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  3. 3.The average of 5 numbers is 31. When one more number is added, the average becomes 35. What number was added?
  4. 4.Marks of 4 friends in a quiz: 79, 82, 68, 79. What is their average mark?
  5. 5.Marks of 6 friends in a quiz: 85, 82, 93, 104, 77, 99. What is their average mark?
  6. 6.A shop sells an average of 41 kg of sugar a day for 6 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  7. 7.The average of 6 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  8. 8.Manav’s batting average after 5 innings is 47 runs. How many runs must Manav score in the next innings to raise the average to 48?
  9. 9.Marks of 6 friends in a quiz: 47, 34, 29, 29, 22, 43. What is their average mark?
  10. 10.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)?
  11. 11.Ananya’s batting average after 8 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  12. 12.The average of 9 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  13. 13.A shop sells an average of 66 kg of sugar a day for 6 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.Marks of 5 friends in a quiz: 41, 37, 28, 18, 36. What is their average mark?
  15. 15.The average weight of 12 children is 34 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.Marks of 5 friends in a quiz: 91, 64, 82, 69, 79. What is their average mark?
  18. 18.The average of 8 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  19. 19.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)?
  20. 20.The average of 6 numbers is 18. When one more number is added, the average becomes 21. What number was added?
  21. 21.Priya’s batting average after 15 innings is 43 runs. How many runs must Priya score in the next innings to raise the average to 44?
  22. 22.The average weight of 12 children is 32 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.A shop sells an average of 80 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  24. 24.Marks of 6 friends in a quiz: 28, 29, 45, 47, 40, 39. What is their average mark?
  25. 25.Marks of 6 friends in a quiz: 12, 15, 40, 36, 18, 29. What is their average mark?
  26. 26.The average of 4 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  27. 27.The average weight of 6 children is 42 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 10 children is 30 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 4 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  30. 30.Arjun’s batting average after 5 innings is 45 runs. How many runs must Arjun score in the next innings to raise the average to 48?
  31. 31.Marks of 5 friends in a quiz: 65, 87, 75, 60, 73. What is their average mark?
  32. 32.The average of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  33. 33.A shop sells an average of 28 kg of sugar a day for 2 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  34. 34.Saanvi’s batting average after 13 innings is 41 runs. How many runs must Saanvi score in the next innings to raise the average to 42?
  35. 35.The average weight of 10 children is 35 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 32 kg of sugar a day for 2 days, and then 77 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  37. 37.Karan’s batting average after 6 innings is 34 runs. How many runs must Karan score in the next innings to raise the average to 37?
  38. 38.A shop sells an average of 54 kg of sugar a day for 4 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.The average of 5 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  40. 40.Kabir’s batting average after 12 innings is 41 runs. How many runs must Kabir score in the next innings to raise the average to 44?

Answer key

  1. 37
  2. 63
  3. 55
  4. 77
  5. 90
  6. 49
  7. 41
  8. 53
  9. 34
  10. 25
  11. 75
  12. 85
  13. 48
  14. 32
  15. 31
  16. 36
  17. 77
  18. 67
  19. 28
  20. 39
  21. 59
  22. 31
  23. 59
  24. 38
  25. 25
  26. 74
  27. 39
  28. 29
  29. 28
  30. 63
  31. 72
  32. 40
  33. 22
  34. 55
  35. 32
  36. 59
  37. 55
  38. 66
  39. 53
  40. 80

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