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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 347 · 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: 28, 50, 23, 48, 36. What is their average mark?
  2. 2.The average weight of 12 children is 35 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.The average weight of 10 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Marks of 6 friends in a quiz: 46, 44, 47, 61, 44, 94. What is their average mark?
  5. 5.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)?
  6. 6.Ishaan’s batting average after 8 innings is 37 runs. How many runs must Ishaan score in the next innings to raise the average to 38?
  7. 7.Aarav’s batting average after 10 innings is 37 runs. How many runs must Aarav score in the next innings to raise the average to 38?
  8. 8.The average weight of 6 children is 38 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Zoya’s batting average after 7 innings is 47 runs. How many runs must Zoya score in the next innings to raise the average to 51?
  10. 10.A shop sells an average of 79 kg of sugar a day for 6 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  11. 11.Marks of 6 friends in a quiz: 63, 65, 88, 67, 78, 83. What is their average mark?
  12. 12.Marks of 5 friends in a quiz: 15, 35, 25, 18, 52. What is their average mark?
  13. 13.Kavya’s batting average after 13 innings is 50 runs. How many runs must Kavya score in the next innings to raise the average to 51?
  14. 14.Marks of 4 friends in a quiz: 32, 20, 49, 35. What is their average mark?
  15. 15.A shop sells an average of 25 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.A shop sells an average of 73 kg of sugar a day for 4 days, and then 37 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  17. 17.Aarav’s batting average after 8 innings is 31 runs. How many runs must Aarav score in the next innings to raise the average to 36?
  18. 18.A shop sells an average of 28 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  19. 19.The average of 7 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  20. 20.The average of 5 numbers is 38. When one more number is added, the average becomes 42. What number was added?
  21. 21.Marks of 5 friends in a quiz: 21, 19, 43, 18, 64. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 78, 84, 92, 85, 91. What is their average mark?
  23. 23.Kabir’s batting average after 7 innings is 46 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  24. 24.Marks of 6 friends in a quiz: 76, 74, 47, 63, 59, 47. What is their average mark?
  25. 25.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average of 4 numbers is 53. When one more number is added, the average becomes 54. What number was added?
  27. 27.The average of 6 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  28. 28.Ishaan’s batting average after 7 innings is 33 runs. How many runs must Ishaan score in the next innings to raise the average to 37?
  29. 29.The average weight of 6 children is 38 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average weight of 5 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average of 7 numbers is 53. When one more number is added, the average becomes 58. What number was added?
  32. 32.Marks of 6 friends in a quiz: 95, 72, 100, 76, 86, 93. What is their average mark?
  33. 33.Marks of 5 friends in a quiz: 29, 27, 37, 24, 78. What is their average mark?
  34. 34.The average of 5 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  35. 35.Ishaan’s batting average after 5 innings is 30 runs. How many runs must Ishaan score in the next innings to raise the average to 34?
  36. 36.Rohan’s batting average after 12 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  37. 37.A shop sells an average of 61 kg of sugar a day for 5 days, and then 34 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
  38. 38.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 68, 49, 43, 60. What is their average mark?
  40. 40.Rahul’s batting average after 15 innings is 29 runs. How many runs must Rahul score in the next innings to raise the average to 34?

Answer key

  1. 37
  2. 32
  3. 44
  4. 56
  5. 31
  6. 46
  7. 48
  8. 37
  9. 79
  10. 63
  11. 74
  12. 29
  13. 64
  14. 34
  15. 30
  16. 55
  17. 76
  18. 45
  19. 61
  20. 62
  21. 33
  22. 86
  23. 70
  24. 61
  25. 32
  26. 58
  27. 82
  28. 65
  29. 35
  30. 37
  31. 93
  32. 87
  33. 39
  34. 93
  35. 54
  36. 40
  37. 49
  38. 43
  39. 55
  40. 109

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