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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 38 · 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.Marks of 5 friends in a quiz: 27, 24, 23, 50, 56. What is their average mark?
  2. 2.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 30, 55, 42, 43, 50. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 77, 89, 98, 96. What is their average mark?
  5. 5.Marks of 4 friends in a quiz: 79, 63, 77, 85. What is their average mark?
  6. 6.The average weight of 10 children is 43 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 6 children is 40 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 4 friends in a quiz: 82, 84, 69, 73. What is their average mark?
  9. 9.The average weight of 9 children is 27 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average of 4 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  11. 11.Meera’s batting average after 14 innings is 23 runs. How many runs must Meera score in the next innings to raise the average to 28?
  12. 12.The average weight of 5 children is 34 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 20 kg of sugar a day for 2 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  14. 14.The average weight of 12 children is 28 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.Tara’s batting average after 8 innings is 30 runs. How many runs must Tara score in the next innings to raise the average to 33?
  16. 16.A shop sells an average of 66 kg of sugar a day for 3 days, and then 26 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average of 8 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  18. 18.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)?
  19. 19.The average weight of 10 children is 43 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average weight of 12 children is 31 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.Marks of 6 friends in a quiz: 83, 83, 82, 68, 61, 43. What is their average mark?
  22. 22.The average of 6 numbers is 16. When one more number is added, the average becomes 19. What number was added?
  23. 23.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.A shop sells an average of 47 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  25. 25.A shop sells an average of 54 kg of sugar a day for 6 days, and then 22 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  26. 26.Rohan’s batting average after 10 innings is 35 runs. How many runs must Rohan score in the next innings to raise the average to 39?
  27. 27.Marks of 6 friends in a quiz: 54, 68, 65, 62, 56, 55. What is their average mark?
  28. 28.The average of 9 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  29. 29.The average of 4 numbers is 39. When one more number is added, the average becomes 44. What number was added?
  30. 30.A shop sells an average of 52 kg of sugar a day for 3 days, and then 58 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.The average of 8 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  32. 32.Marks of 4 friends in a quiz: 82, 83, 72, 91. What is their average mark?
  33. 33.The average of 5 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  34. 34.A shop sells an average of 54 kg of sugar a day for 5 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  35. 35.A shop sells an average of 47 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)?
  36. 36.The average weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Marks of 4 friends in a quiz: 83, 68, 70, 87. What is their average mark?
  38. 38.Kabir’s batting average after 14 innings is 25 runs. How many runs must Kabir score in the next innings to raise the average to 27?
  39. 39.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 8 numbers is 44. When one more number is added, the average becomes 48. What number was added?

Answer key

  1. 36
  2. 41
  3. 44
  4. 90
  5. 76
  6. 40
  7. 38
  8. 77
  9. 25
  10. 40
  11. 98
  12. 33
  13. 34
  14. 27
  15. 57
  16. 46
  17. 34
  18. 31
  19. 42
  20. 29
  21. 70
  22. 37
  23. 35
  24. 31
  25. 46
  26. 79
  27. 60
  28. 85
  29. 64
  30. 56
  31. 33
  32. 82
  33. 57
  34. 63
  35. 45
  36. 32
  37. 77
  38. 55
  39. 25
  40. 80

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