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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 621 · 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 weight of 9 children is 33 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 40 kg of sugar a day for 2 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.Kabir’s batting average after 7 innings is 22 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  4. 4.A shop sells an average of 41 kg of sugar a day for 4 days, and then 74 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.The average weight of 12 children is 46 kg. One child, who weighs 79 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.A shop sells an average of 45 kg of sugar a day for 2 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  8. 8.The average of 7 numbers is 49. When one more number is added, the average becomes 53. What number was added?
  9. 9.The average of 6 numbers is 22. When one more number is added, the average becomes 24. What number was added?
  10. 10.A shop sells an average of 31 kg of sugar a day for 4 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  11. 11.The average weight of 12 children is 32 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average weight of 8 children is 33 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.A shop sells an average of 51 kg of sugar a day for 6 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  14. 14.The average of 8 numbers is 54. When one more number is added, the average becomes 60. What number was added?
  15. 15.The average of 6 numbers is 31. When one more number is added, the average becomes 37. What number was added?
  16. 16.The average of 9 numbers is 57. When one more number is added, the average becomes 58. What number was added?
  17. 17.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 7 numbers is 32. When one more number is added, the average becomes 37. What number was added?
  19. 19.Sneha’s batting average after 8 innings is 46 runs. How many runs must Sneha score in the next innings to raise the average to 51?
  20. 20.Marks of 4 friends in a quiz: 49, 36, 45, 74. What is their average mark?
  21. 21.The average weight of 7 children is 30 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.The average of 7 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  23. 23.A shop sells an average of 71 kg of sugar a day for 4 days, and then 51 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  24. 24.Marks of 4 friends in a quiz: 68, 84, 68, 84. What is their average mark?
  25. 25.Saanvi’s batting average after 10 innings is 48 runs. How many runs must Saanvi score in the next innings to raise the average to 51?
  26. 26.The average of 4 numbers is 46. When one more number is added, the average becomes 51. What number was added?
  27. 27.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.The average weight of 12 children is 36 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average of 5 numbers is 41. When one more number is added, the average becomes 44. What number was added?
  30. 30.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)?
  31. 31.Sneha’s batting average after 12 innings is 37 runs. How many runs must Sneha score in the next innings to raise the average to 39?
  32. 32.Aarav’s batting average after 6 innings is 39 runs. How many runs must Aarav score in the next innings to raise the average to 42?
  33. 33.A shop sells an average of 51 kg of sugar a day for 5 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  34. 34.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Nisha’s batting average after 6 innings is 31 runs. How many runs must Nisha score in the next innings to raise the average to 35?
  36. 36.The average weight of 5 children is 39 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Kavya’s batting average after 14 innings is 34 runs. How many runs must Kavya score in the next innings to raise the average to 36?
  38. 38.The average of 4 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  39. 39.Manav’s batting average after 8 innings is 33 runs. How many runs must Manav score in the next innings to raise the average to 38?
  40. 40.The average of 7 numbers is 60. When one more number is added, the average becomes 65. What number was added?

Answer key

  1. 31
  2. 28
  3. 38
  4. 52
  5. 43
  6. 36
  7. 53
  8. 81
  9. 36
  10. 26
  11. 31
  12. 32
  13. 41
  14. 108
  15. 73
  16. 67
  17. 30
  18. 72
  19. 91
  20. 51
  21. 28
  22. 85
  23. 59
  24. 76
  25. 81
  26. 71
  27. 28
  28. 33
  29. 59
  30. 26
  31. 63
  32. 60
  33. 55
  34. 33
  35. 59
  36. 38
  37. 64
  38. 58
  39. 78
  40. 100

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