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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 260 · 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 45 kg of sugar a day for 2 days, and then 36 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.The average of 7 numbers is 17. When one more number is added, the average becomes 21. What number was added?
  3. 3.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)?
  4. 4.Marks of 4 friends in a quiz: 32, 21, 30, 49. What is their average mark?
  5. 5.The average of 7 numbers is 46. When one more number is added, the average becomes 49. What number was added?
  6. 6.A shop sells an average of 36 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)?
  7. 7.A shop sells an average of 22 kg of sugar a day for 5 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.Marks of 4 friends in a quiz: 72, 75, 77, 24. What is their average mark?
  9. 9.The average weight of 7 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 8 numbers is 34. When one more number is added, the average becomes 37. What number was added?
  11. 11.The average of 4 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  12. 12.Saanvi’s batting average after 5 innings is 42 runs. How many runs must Saanvi score in the next innings to raise the average to 47?
  13. 13.A shop sells an average of 47 kg of sugar a day for 2 days, and then 41 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  14. 14.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average weight of 11 children is 40 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.A shop sells an average of 59 kg of sugar a day for 4 days, and then 31 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  17. 17.Rahul’s batting average after 13 innings is 41 runs. How many runs must Rahul score in the next innings to raise the average to 42?
  18. 18.Marks of 5 friends in a quiz: 53, 43, 28, 28, 48. What is their average mark?
  19. 19.The average of 4 numbers is 26. When one more number is added, the average becomes 27. What number was added?
  20. 20.The average of 6 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  21. 21.The average of 8 numbers is 33. When one more number is added, the average becomes 34. What number was added?
  22. 22.The average of 7 numbers is 55. When one more number is added, the average becomes 61. What number was added?
  23. 23.Marks of 6 friends in a quiz: 58, 70, 63, 75, 73, 69. What is their average mark?
  24. 24.A shop sells an average of 51 kg of sugar a day for 4 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  25. 25.Marks of 6 friends in a quiz: 35, 18, 35, 30, 28, 46. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 61, 47, 34, 49, 39. What is their average mark?
  27. 27.Marks of 5 friends in a quiz: 45, 30, 21, 31, 43. What is their average mark?
  28. 28.The average weight of 7 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 30 kg of sugar a day for 2 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.A shop sells an average of 60 kg of sugar a day for 2 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.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)?
  33. 33.Marks of 4 friends in a quiz: 65, 68, 67, 40. What is their average mark?
  34. 34.Kabir’s batting average after 5 innings is 26 runs. How many runs must Kabir score in the next innings to raise the average to 31?
  35. 35.The average of 4 numbers is 37. When one more number is added, the average becomes 42. What number was added?
  36. 36.The average weight of 9 children is 33 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 35, 51, 47, 15. What is their average mark?
  38. 38.The average of 4 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  39. 39.The average weight of 7 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Marks of 4 friends in a quiz: 34, 23, 12, 31. What is their average mark?

Answer key

  1. 39
  2. 49
  3. 25
  4. 33
  5. 70
  6. 55
  7. 43
  8. 62
  9. 43
  10. 61
  11. 25
  12. 72
  13. 43
  14. 27
  15. 38
  16. 47
  17. 55
  18. 40
  19. 31
  20. 60
  21. 42
  22. 103
  23. 68
  24. 59
  25. 32
  26. 46
  27. 34
  28. 40
  29. 54
  30. 68
  31. 27
  32. 32
  33. 60
  34. 56
  35. 62
  36. 32
  37. 37
  38. 56
  39. 31
  40. 25

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