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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 262 · 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 39 kg of sugar a day for 4 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  2. 2.Nisha’s batting average after 13 innings is 40 runs. How many runs must Nisha score in the next innings to raise the average to 42?
  3. 3.Marks of 4 friends in a quiz: 74, 66, 67, 89. What is their average mark?
  4. 4.Marks of 4 friends in a quiz: 48, 53, 42, 81. What is their average mark?
  5. 5.Aditya’s batting average after 14 innings is 34 runs. How many runs must Aditya score in the next innings to raise the average to 37?
  6. 6.The average of 6 numbers is 36. When one more number is added, the average becomes 41. What number was added?
  7. 7.Marks of 5 friends in a quiz: 81, 100, 85, 75, 94. What is their average mark?
  8. 8.Kavya’s batting average after 12 innings is 39 runs. How many runs must Kavya score in the next innings to raise the average to 43?
  9. 9.Marks of 6 friends in a quiz: 37, 40, 31, 49, 33, 86. What is their average mark?
  10. 10.A shop sells an average of 59 kg of sugar a day for 5 days, and then 45 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  11. 11.Marks of 5 friends in a quiz: 46, 26, 40, 27, 61. What is their average mark?
  12. 12.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.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)?
  14. 14.The average of 7 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  15. 15.Rahul’s batting average after 13 innings is 44 runs. How many runs must Rahul score in the next innings to raise the average to 46?
  16. 16.The average of 9 numbers is 57. When one more number is added, the average becomes 59. What number was added?
  17. 17.The average of 7 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  18. 18.A shop sells an average of 63 kg of sugar a day for 4 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  19. 19.A shop sells an average of 48 kg of sugar a day for 3 days, and then 58 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  20. 20.Marks of 4 friends in a quiz: 80, 79, 61, 60. What is their average mark?
  21. 21.The average of 7 numbers is 18. When one more number is added, the average becomes 20. What number was added?
  22. 22.Marks of 5 friends in a quiz: 95, 77, 85, 85, 78. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 16, 14, 23, 27. What is their average mark?
  24. 24.Marks of 4 friends in a quiz: 17, 16, 13, 42. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 91, 101, 83, 78, 92. What is their average mark?
  26. 26.Marks of 6 friends in a quiz: 73, 56, 61, 76, 66, 58. What is their average mark?
  27. 27.Sneha’s batting average after 10 innings is 50 runs. How many runs must Sneha score in the next innings to raise the average to 55?
  28. 28.The average weight of 11 children is 29 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Zoya’s batting average after 10 innings is 45 runs. How many runs must Zoya score in the next innings to raise the average to 49?
  31. 31.Marks of 5 friends in a quiz: 64, 80, 90, 68, 78. What is their average mark?
  32. 32.Marks of 4 friends in a quiz: 51, 32, 26, 43. What is their average mark?
  33. 33.The average of 5 numbers is 40. When one more number is added, the average becomes 43. What number was added?
  34. 34.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)?
  35. 35.The average weight of 5 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 50 kg of sugar a day for 4 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  37. 37.A shop sells an average of 31 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)?
  38. 38.A shop sells an average of 53 kg of sugar a day for 3 days, and then 49 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  39. 39.Marks of 6 friends in a quiz: 59, 79, 64, 58, 59, 83. What is their average mark?
  40. 40.The average of 8 numbers is 48. When one more number is added, the average becomes 53. What number was added?

Answer key

  1. 57
  2. 68
  3. 74
  4. 56
  5. 79
  6. 71
  7. 87
  8. 91
  9. 46
  10. 52
  11. 40
  12. 31
  13. 33
  14. 48
  15. 72
  16. 77
  17. 74
  18. 72
  19. 52
  20. 70
  21. 34
  22. 84
  23. 20
  24. 22
  25. 89
  26. 65
  27. 105
  28. 28
  29. 25
  30. 89
  31. 76
  32. 38
  33. 58
  34. 38
  35. 29
  36. 57
  37. 27
  38. 51
  39. 67
  40. 93

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