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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 722 · 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.Farhan’s batting average after 13 innings is 50 runs. How many runs must Farhan score in the next innings to raise the average to 51?
  2. 2.A shop sells an average of 71 kg of sugar a day for 4 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  3. 3.The average of 8 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  4. 4.The average of 7 numbers is 16. When one more number is added, the average becomes 18. What number was added?
  5. 5.The average of 5 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  6. 6.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.The average of 9 numbers is 56. When one more number is added, the average becomes 58. What number was added?
  8. 8.Aditya’s batting average after 13 innings is 48 runs. How many runs must Aditya score in the next innings to raise the average to 51?
  9. 9.The average of 7 numbers is 42. When one more number is added, the average becomes 44. What number was added?
  10. 10.The average of 7 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  11. 11.The average of 6 numbers is 47. When one more number is added, the average becomes 50. What number was added?
  12. 12.Saanvi’s batting average after 10 innings is 22 runs. How many runs must Saanvi score in the next innings to raise the average to 26?
  13. 13.Marks of 5 friends in a quiz: 87, 101, 85, 96, 61. What is their average mark?
  14. 14.A shop sells an average of 51 kg of sugar a day for 3 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  15. 15.Kabir’s batting average after 10 innings is 20 runs. How many runs must Kabir score in the next innings to raise the average to 22?
  16. 16.Marks of 6 friends in a quiz: 67, 74, 56, 66, 58, 51. What is their average mark?
  17. 17.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average weight of 5 children is 32 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.The average weight of 6 children is 30 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  20. 20.The average of 5 numbers is 43. When one more number is added, the average becomes 49. What number was added?
  21. 21.The average of 9 numbers is 53. When one more number is added, the average becomes 57. What number was added?
  22. 22.Marks of 5 friends in a quiz: 69, 73, 77, 60, 96. What is their average mark?
  23. 23.A shop sells an average of 53 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)?
  24. 24.The average weight of 6 children is 46 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 5 children is 32 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.The average weight of 10 children is 33 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Rahul’s batting average after 11 innings is 29 runs. How many runs must Rahul score in the next innings to raise the average to 30?
  28. 28.The average of 8 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  29. 29.Marks of 4 friends in a quiz: 76, 97, 86, 81. What is their average mark?
  30. 30.Marks of 4 friends in a quiz: 83, 64, 77, 92. What is their average mark?
  31. 31.Aarav’s batting average after 13 innings is 37 runs. How many runs must Aarav score in the next innings to raise the average to 42?
  32. 32.A shop sells an average of 33 kg of sugar a day for 2 days, and then 57 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  33. 33.A shop sells an average of 48 kg of sugar a day for 2 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  34. 34.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)?
  35. 35.Marks of 6 friends in a quiz: 65, 88, 92, 83, 71, 81. What is their average mark?
  36. 36.Aarav’s batting average after 12 innings is 36 runs. How many runs must Aarav score in the next innings to raise the average to 39?
  37. 37.Isha’s batting average after 14 innings is 40 runs. How many runs must Isha score in the next innings to raise the average to 41?
  38. 38.The average of 7 numbers is 23. When one more number is added, the average becomes 26. What number was added?
  39. 39.The average of 6 numbers is 47. When one more number is added, the average becomes 48. What number was added?
  40. 40.The average weight of 5 children is 28 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 64
  2. 59
  3. 72
  4. 32
  5. 73
  6. 44
  7. 76
  8. 90
  9. 58
  10. 87
  11. 68
  12. 66
  13. 86
  14. 54
  15. 42
  16. 62
  17. 42
  18. 29
  19. 27
  20. 79
  21. 93
  22. 75
  23. 48
  24. 45
  25. 31
  26. 32
  27. 41
  28. 44
  29. 85
  30. 79
  31. 107
  32. 45
  33. 46
  34. 28
  35. 80
  36. 75
  37. 55
  38. 47
  39. 54
  40. 27

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