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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 740 · 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 10 children is 34 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 78 kg of sugar a day for 3 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.Karan’s batting average after 8 innings is 39 runs. How many runs must Karan score in the next innings to raise the average to 40?
  4. 4.A shop sells an average of 28 kg of sugar a day for 4 days, and then 72 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  5. 5.Marks of 5 friends in a quiz: 93, 75, 98, 80, 79. What is their average mark?
  6. 6.The average weight of 9 children is 46 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Kabir’s batting average after 13 innings is 50 runs. How many runs must Kabir score in the next innings to raise the average to 53?
  8. 8.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
  9. 9.Priya’s batting average after 9 innings is 41 runs. How many runs must Priya score in the next innings to raise the average to 42?
  10. 10.The average of 5 numbers is 25. When one more number is added, the average becomes 31. What number was added?
  11. 11.The average weight of 9 children is 32 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 30, 36, 24, 38. What is their average mark?
  13. 13.The average of 9 numbers is 41. When one more number is added, the average becomes 45. What number was added?
  14. 14.The average of 6 numbers is 35. When one more number is added, the average becomes 41. What number was added?
  15. 15.Marks of 4 friends in a quiz: 83, 74, 72, 47. What is their average mark?
  16. 16.A shop sells an average of 52 kg of sugar a day for 3 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  17. 17.The average of 4 numbers is 36. When one more number is added, the average becomes 37. What number was added?
  18. 18.Karan’s batting average after 7 innings is 45 runs. How many runs must Karan score in the next innings to raise the average to 46?
  19. 19.The average of 9 numbers is 29. When one more number is added, the average becomes 34. What number was added?
  20. 20.The average of 5 numbers is 15. When one more number is added, the average becomes 17. What number was added?
  21. 21.Marks of 4 friends in a quiz: 89, 98, 71, 86. What is their average mark?
  22. 22.Marks of 5 friends in a quiz: 62, 42, 47, 61, 68. What is their average mark?
  23. 23.The average weight of 12 children is 42 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Tara’s batting average after 7 innings is 22 runs. How many runs must Tara score in the next innings to raise the average to 23?
  25. 25.A shop sells an average of 66 kg of sugar a day for 3 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  26. 26.Nisha’s batting average after 5 innings is 37 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  27. 27.The average of 5 numbers is 55. When one more number is added, the average becomes 60. What number was added?
  28. 28.The average weight of 11 children is 36 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.The average weight of 7 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.The average of 9 numbers is 45. When one more number is added, the average becomes 51. What number was added?
  31. 31.The average weight of 10 children is 40 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.A shop sells an average of 62 kg of sugar a day for 5 days, and then 60 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  33. 33.The average of 5 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  34. 34.Marks of 5 friends in a quiz: 17, 42, 19, 17, 40. What is their average mark?
  35. 35.The average weight of 12 children is 42 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.A shop sells an average of 39 kg of sugar a day for 6 days, and then 54 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  37. 37.The average weight of 8 children is 43 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.The average weight of 10 children is 41 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 6 friends in a quiz: 69, 64, 44, 54, 51, 48. What is their average mark?
  40. 40.Saanvi’s batting average after 15 innings is 35 runs. How many runs must Saanvi score in the next innings to raise the average to 36?

Answer key

  1. 33
  2. 70
  3. 48
  4. 50
  5. 85
  6. 43
  7. 92
  8. 58
  9. 51
  10. 61
  11. 31
  12. 32
  13. 81
  14. 77
  15. 69
  16. 41
  17. 41
  18. 53
  19. 79
  20. 27
  21. 86
  22. 56
  23. 39
  24. 30
  25. 45
  26. 55
  27. 85
  28. 33
  29. 37
  30. 105
  31. 37
  32. 61
  33. 67
  34. 27
  35. 40
  36. 45
  37. 42
  38. 38
  39. 55
  40. 51

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