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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 296 · 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 36 kg of sugar a day for 4 days, and then 76 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.Marks of 5 friends in a quiz: 20, 19, 10, 31, 30. What is their average mark?
  4. 4.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)?
  5. 5.The average weight of 7 children is 38 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average of 9 numbers is 37. When one more number is added, the average becomes 39. What number was added?
  7. 7.Marks of 6 friends in a quiz: 73, 74, 60, 83, 66, 88. What is their average mark?
  8. 8.A shop sells an average of 41 kg of sugar a day for 2 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.A shop sells an average of 61 kg of sugar a day for 2 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.Diya’s batting average after 12 innings is 46 runs. How many runs must Diya score in the next innings to raise the average to 50?
  11. 11.Marks of 4 friends in a quiz: 50, 54, 63, 85. What is their average mark?
  12. 12.The average of 5 numbers is 15. When one more number is added, the average becomes 18. What number was added?
  13. 13.Nisha’s batting average after 9 innings is 47 runs. How many runs must Nisha score in the next innings to raise the average to 50?
  14. 14.A shop sells an average of 29 kg of sugar a day for 3 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  15. 15.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average of 6 numbers is 17. When one more number is added, the average becomes 23. What number was added?
  17. 17.A shop sells an average of 36 kg of sugar a day for 2 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  18. 18.Marks of 5 friends in a quiz: 83, 66, 78, 80, 93. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 94, 99, 85, 85, 67. What is their average mark?
  20. 20.Isha’s batting average after 13 innings is 24 runs. How many runs must Isha score in the next innings to raise the average to 26?
  21. 21.The average of 9 numbers is 33. When one more number is added, the average becomes 37. What number was added?
  22. 22.Marks of 5 friends in a quiz: 54, 67, 62, 43, 49. What is their average mark?
  23. 23.The average of 6 numbers is 59. When one more number is added, the average becomes 65. What number was added?
  24. 24.The average weight of 8 children is 34 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Marks of 4 friends in a quiz: 39, 64, 41, 60. What is their average mark?
  26. 26.The average of 6 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  27. 27.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 6 friends in a quiz: 88, 68, 90, 89, 67, 60. What is their average mark?
  29. 29.Marks of 6 friends in a quiz: 79, 83, 71, 70, 91, 92. What is their average mark?
  30. 30.Diya’s batting average after 11 innings is 25 runs. How many runs must Diya score in the next innings to raise the average to 29?
  31. 31.A shop sells an average of 49 kg of sugar a day for 3 days, and then 42 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  32. 32.Dev’s batting average after 10 innings is 20 runs. How many runs must Dev score in the next innings to raise the average to 21?
  33. 33.A shop sells an average of 45 kg of sugar a day for 5 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  34. 34.Marks of 6 friends in a quiz: 62, 56, 78, 60, 65, 87. What is their average mark?
  35. 35.Nisha’s batting average after 12 innings is 41 runs. How many runs must Nisha score in the next innings to raise the average to 43?
  36. 36.The average weight of 5 children is 35 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 9 numbers is 60. When one more number is added, the average becomes 62. What number was added?
  38. 38.The average weight of 8 children is 48 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 11 children is 29 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 7 numbers is 58. When one more number is added, the average becomes 59. What number was added?

Answer key

  1. 60
  2. 42
  3. 22
  4. 35
  5. 37
  6. 57
  7. 74
  8. 50
  9. 65
  10. 98
  11. 63
  12. 33
  13. 77
  14. 47
  15. 30
  16. 59
  17. 35
  18. 80
  19. 86
  20. 52
  21. 73
  22. 55
  23. 101
  24. 31
  25. 51
  26. 49
  27. 31
  28. 77
  29. 81
  30. 73
  31. 45
  32. 31
  33. 46
  34. 68
  35. 67
  36. 34
  37. 80
  38. 45
  39. 27
  40. 66

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