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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 123 · 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.Diya’s batting average after 7 innings is 22 runs. How many runs must Diya score in the next innings to raise the average to 23?
  2. 2.A shop sells an average of 26 kg of sugar a day for 4 days, and then 61 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.Tara’s batting average after 12 innings is 28 runs. How many runs must Tara score in the next innings to raise the average to 30?
  4. 4.The average of 5 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  5. 5.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.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)?
  7. 7.Marks of 5 friends in a quiz: 52, 73, 61, 73, 56. What is their average mark?
  8. 8.Marks of 5 friends in a quiz: 13, 20, 29, 29, 24. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 73, 79, 73, 74, 31. What is their average mark?
  10. 10.The average weight of 6 children is 45 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 5 friends in a quiz: 55, 44, 39, 64, 48. What is their average mark?
  12. 12.Kabir’s batting average after 12 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 35?
  13. 13.The average weight of 12 children is 41 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.The average weight of 11 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 9 numbers is 22. When one more number is added, the average becomes 23. What number was added?
  16. 16.A shop sells an average of 68 kg of sugar a day for 3 days, and then 77 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  17. 17.The average of 9 numbers is 44. When one more number is added, the average becomes 46. What number was added?
  18. 18.Isha’s batting average after 9 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 28?
  19. 19.The average of 4 numbers is 27. When one more number is added, the average becomes 32. What number was added?
  20. 20.The average of 8 numbers is 52. When one more number is added, the average becomes 58. What number was added?
  21. 21.Zoya’s batting average after 10 innings is 46 runs. How many runs must Zoya score in the next innings to raise the average to 47?
  22. 22.Marks of 4 friends in a quiz: 42, 29, 44, 21. What is their average mark?
  23. 23.A shop sells an average of 48 kg of sugar a day for 2 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  24. 24.Marks of 5 friends in a quiz: 30, 28, 16, 19, 52. What is their average mark?
  25. 25.The average of 5 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  26. 26.Tara’s batting average after 7 innings is 49 runs. How many runs must Tara score in the next innings to raise the average to 51?
  27. 27.The average of 6 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  28. 28.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 6 numbers is 35. When one more number is added, the average becomes 36. What number was added?
  30. 30.The average of 9 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  31. 31.The average weight of 5 children is 42 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 65, 94, 93, 88, 79, 55. What is their average mark?
  33. 33.The average of 9 numbers is 27. When one more number is added, the average becomes 33. What number was added?
  34. 34.Marks of 4 friends in a quiz: 77, 74, 56, 53. What is their average mark?
  35. 35.Marks of 6 friends in a quiz: 42, 66, 53, 52, 64, 41. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 89, 74, 74, 63. What is their average mark?
  37. 37.A shop sells an average of 61 kg of sugar a day for 4 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  38. 38.Vivaan’s batting average after 10 innings is 35 runs. How many runs must Vivaan score in the next innings to raise the average to 40?
  39. 39.Marks of 6 friends in a quiz: 87, 79, 90, 88, 72, 52. What is their average mark?
  40. 40.The average of 7 numbers is 54. When one more number is added, the average becomes 56. What number was added?

Answer key

  1. 30
  2. 41
  3. 54
  4. 43
  5. 45
  6. 30
  7. 63
  8. 23
  9. 66
  10. 42
  11. 50
  12. 95
  13. 40
  14. 36
  15. 32
  16. 74
  17. 64
  18. 55
  19. 52
  20. 106
  21. 57
  22. 34
  23. 66
  24. 29
  25. 56
  26. 65
  27. 57
  28. 30
  29. 42
  30. 67
  31. 40
  32. 79
  33. 87
  34. 65
  35. 53
  36. 75
  37. 58
  38. 90
  39. 78
  40. 70

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