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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 437 · 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 68 kg of sugar a day for 6 days, and then 57 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
  2. 2.Priya’s batting average after 8 innings is 30 runs. How many runs must Priya score in the next innings to raise the average to 31?
  3. 3.Marks of 5 friends in a quiz: 30, 39, 56, 28, 57. What is their average mark?
  4. 4.Marks of 5 friends in a quiz: 26, 36, 32, 39, 22. What is their average mark?
  5. 5.The average of 8 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  6. 6.The average weight of 10 children is 36 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Ishaan’s batting average after 9 innings is 25 runs. How many runs must Ishaan score in the next innings to raise the average to 29?
  9. 9.The average weight of 6 children is 47 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.Marks of 5 friends in a quiz: 50, 60, 49, 36, 40. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 40, 50, 44, 42. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 36, 38, 39, 67. What is their average mark?
  13. 13.The average weight of 7 children is 46 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average of 6 numbers is 28. When one more number is added, the average becomes 29. What number was added?
  15. 15.A shop sells an average of 31 kg of sugar a day for 6 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.A shop sells an average of 23 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  17. 17.Marks of 4 friends in a quiz: 79, 59, 78, 40. What is their average mark?
  18. 18.The average of 8 numbers is 26. When one more number is added, the average becomes 31. What number was added?
  19. 19.The average of 7 numbers is 55. When one more number is added, the average becomes 59. What number was added?
  20. 20.Marks of 6 friends in a quiz: 15, 34, 11, 36, 9, 33. What is their average mark?
  21. 21.The average of 8 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  22. 22.A shop sells an average of 68 kg of sugar a day for 4 days, and then 56 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  23. 23.Marks of 4 friends in a quiz: 83, 94, 85, 66. What is their average mark?
  24. 24.The average of 6 numbers is 20. When one more number is added, the average becomes 25. What number was added?
  25. 25.A shop sells an average of 21 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.Sneha’s batting average after 14 innings is 25 runs. How many runs must Sneha score in the next innings to raise the average to 27?
  27. 27.The average of 7 numbers is 27. When one more number is added, the average becomes 28. What number was added?
  28. 28.Marks of 5 friends in a quiz: 74, 88, 72, 85, 76. What is their average mark?
  29. 29.Kavya’s batting average after 9 innings is 46 runs. How many runs must Kavya score in the next innings to raise the average to 47?
  30. 30.The average of 9 numbers is 17. When one more number is added, the average becomes 18. What number was added?
  31. 31.The average of 4 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  32. 32.Marks of 4 friends in a quiz: 71, 61, 49, 47. What is their average mark?
  33. 33.Kabir’s batting average after 8 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 47?
  34. 34.The average of 8 numbers is 32. When one more number is added, the average becomes 36. What number was added?
  35. 35.Marks of 4 friends in a quiz: 58, 59, 50, 17. What is their average mark?
  36. 36.The average of 6 numbers is 29. When one more number is added, the average becomes 31. What number was added?
  37. 37.Marks of 5 friends in a quiz: 33, 21, 16, 22, 48. What is their average mark?
  38. 38.Saanvi’s batting average after 7 innings is 50 runs. How many runs must Saanvi score in the next innings to raise the average to 51?
  39. 39.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)?
  40. 40.A shop sells an average of 41 kg of sugar a day for 6 days, and then 20 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?

Answer key

  1. 63
  2. 39
  3. 42
  4. 31
  5. 24
  6. 33
  7. 39
  8. 65
  9. 44
  10. 47
  11. 44
  12. 45
  13. 45
  14. 35
  15. 26
  16. 49
  17. 64
  18. 71
  19. 87
  20. 23
  21. 113
  22. 64
  23. 82
  24. 55
  25. 39
  26. 55
  27. 35
  28. 79
  29. 56
  30. 27
  31. 58
  32. 57
  33. 63
  34. 68
  35. 46
  36. 43
  37. 28
  38. 58
  39. 40
  40. 34

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