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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 34 · 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.The average of 4 numbers is 34. When one more number is added, the average becomes 39. What number was added?
  2. 2.Vivaan’s batting average after 13 innings is 22 runs. How many runs must Vivaan score in the next innings to raise the average to 27?
  3. 3.Marks of 4 friends in a quiz: 100, 76, 97, 75. What is their average mark?
  4. 4.Nisha’s batting average after 7 innings is 42 runs. How many runs must Nisha score in the next innings to raise the average to 45?
  5. 5.The average of 4 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  6. 6.Marks of 4 friends in a quiz: 36, 49, 44, 39. What is their average mark?
  7. 7.Marks of 4 friends in a quiz: 97, 79, 98, 58. What is their average mark?
  8. 8.The average weight of 5 children is 27 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 4 friends in a quiz: 58, 50, 66, 86. What is their average mark?
  10. 10.The average weight of 10 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 4 friends in a quiz: 87, 59, 69, 73. What is their average mark?
  12. 12.Marks of 4 friends in a quiz: 86, 78, 97, 95. What is their average mark?
  13. 13.A shop sells an average of 39 kg of sugar a day for 6 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  14. 14.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.A shop sells an average of 46 kg of sugar a day for 6 days, and then 56 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  16. 16.Marks of 4 friends in a quiz: 55, 76, 72, 69. What is their average mark?
  17. 17.Marks of 4 friends in a quiz: 49, 65, 70, 48. What is their average mark?
  18. 18.The average weight of 10 children is 33 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 4 friends in a quiz: 15, 36, 24, 29. What is their average mark?
  20. 20.The average of 8 numbers is 44. When one more number is added, the average becomes 49. What number was added?
  21. 21.Ananya’s batting average after 5 innings is 38 runs. How many runs must Ananya score in the next innings to raise the average to 42?
  22. 22.Marks of 4 friends in a quiz: 53, 37, 58, 32. What is their average mark?
  23. 23.Marks of 4 friends in a quiz: 45, 58, 51, 58. What is their average mark?
  24. 24.Rahul’s batting average after 13 innings is 23 runs. How many runs must Rahul score in the next innings to raise the average to 25?
  25. 25.Marks of 5 friends in a quiz: 37, 42, 24, 31, 51. What is their average mark?
  26. 26.Isha’s batting average after 15 innings is 34 runs. How many runs must Isha score in the next innings to raise the average to 39?
  27. 27.Marks of 4 friends in a quiz: 70, 77, 53, 64. What is their average mark?
  28. 28.Marks of 4 friends in a quiz: 48, 26, 42, 48. What is their average mark?
  29. 29.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 48?
  30. 30.Dev’s batting average after 9 innings is 50 runs. How many runs must Dev score in the next innings to raise the average to 52?
  31. 31.A shop sells an average of 42 kg of sugar a day for 6 days, and then 40 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  32. 32.Marks of 4 friends in a quiz: 90, 73, 97, 88. What is their average mark?
  33. 33.Isha’s batting average after 15 innings is 45 runs. How many runs must Isha score in the next innings to raise the average to 46?
  34. 34.Sneha’s batting average after 10 innings is 25 runs. How many runs must Sneha score in the next innings to raise the average to 29?
  35. 35.The average of 6 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  36. 36.Marks of 4 friends in a quiz: 70, 58, 48, 48. What is their average mark?
  37. 37.The average of 8 numbers is 24. When one more number is added, the average becomes 29. What number was added?
  38. 38.The average weight of 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average of 6 numbers is 42. When one more number is added, the average becomes 43. What number was added?

Answer key

  1. 59
  2. 92
  3. 87
  4. 66
  5. 63
  6. 42
  7. 83
  8. 26
  9. 65
  10. 40
  11. 72
  12. 89
  13. 35
  14. 30
  15. 50
  16. 68
  17. 58
  18. 30
  19. 26
  20. 89
  21. 62
  22. 45
  23. 53
  24. 51
  25. 37
  26. 114
  27. 66
  28. 41
  29. 57
  30. 70
  31. 41
  32. 87
  33. 61
  34. 69
  35. 37
  36. 56
  37. 69
  38. 30
  39. 43
  40. 49

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