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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 574 · 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 7 children is 31 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.Marks of 6 friends in a quiz: 62, 64, 44, 66, 45, 61. What is their average mark?
  3. 3.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.Priya’s batting average after 9 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 51?
  5. 5.The average weight of 11 children is 35 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 72 kg of sugar a day for 6 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  7. 7.A shop sells an average of 49 kg of sugar a day for 4 days, and then 21 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  8. 8.The average weight of 6 children is 28 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Nisha’s batting average after 11 innings is 27 runs. How many runs must Nisha score in the next innings to raise the average to 31?
  10. 10.The average of 5 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  11. 11.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 57 kg of sugar a day for 6 days, and then 37 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  13. 13.Marks of 5 friends in a quiz: 65, 94, 81, 72, 83. What is their average mark?
  14. 14.A shop sells an average of 54 kg of sugar a day for 2 days, and then 68 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  15. 15.A shop sells an average of 73 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  16. 16.The average weight of 12 children is 39 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 7 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 11 children is 33 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Meera’s batting average after 5 innings is 37 runs. How many runs must Meera score in the next innings to raise the average to 40?
  20. 20.The average weight of 7 children is 28 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.A shop sells an average of 22 kg of sugar a day for 6 days, and then 48 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 64, 59, 60, 85. What is their average mark?
  23. 23.The average of 9 numbers is 31. When one more number is added, the average becomes 34. What number was added?
  24. 24.A shop sells an average of 49 kg of sugar a day for 2 days, and then 43 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.A shop sells an average of 69 kg of sugar a day for 3 days, and then 55 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  26. 26.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.The average weight of 7 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Kabir’s batting average after 8 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 23?
  29. 29.A shop sells an average of 44 kg of sugar a day for 5 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  30. 30.A shop sells an average of 32 kg of sugar a day for 6 days, and then 65 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  31. 31.The average of 4 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  32. 32.A shop sells an average of 23 kg of sugar a day for 3 days, and then 33 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  33. 33.The average weight of 6 children is 35 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.The average of 9 numbers is 53. When one more number is added, the average becomes 55. What number was added?
  35. 35.Marks of 5 friends in a quiz: 52, 56, 49, 51, 77. What is their average mark?
  36. 36.Marks of 4 friends in a quiz: 25, 22, 31, 70. What is their average mark?
  37. 37.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 8 children is 44 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 10 children is 46 kg. One child, who weighs 73 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 30
  2. 57
  3. 37
  4. 69
  5. 33
  6. 73
  7. 37
  8. 25
  9. 75
  10. 42
  11. 25
  12. 47
  13. 79
  14. 64
  15. 76
  16. 36
  17. 43
  18. 31
  19. 55
  20. 25
  21. 35
  22. 67
  23. 61
  24. 46
  25. 61
  26. 32
  27. 40
  28. 47
  29. 38
  30. 43
  31. 60
  32. 27
  33. 34
  34. 73
  35. 57
  36. 37
  37. 42
  38. 42
  39. 38
  40. 43

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