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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 157 · 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.Marks of 6 friends in a quiz: 60, 65, 78, 57, 64, 84. What is their average mark?
  2. 2.The average of 6 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  3. 3.The average weight of 8 children is 33 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
  4. 4.The average of 9 numbers is 39. When one more number is added, the average becomes 43. What number was added?
  5. 5.Meera’s batting average after 15 innings is 26 runs. How many runs must Meera score in the next innings to raise the average to 27?
  6. 6.A shop sells an average of 24 kg of sugar a day for 2 days, and then 31 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  7. 7.A shop sells an average of 40 kg of sugar a day for 4 days, and then 74 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  8. 8.The average weight of 6 children is 37 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.A shop sells an average of 25 kg of sugar a day for 2 days, and then 29 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  10. 10.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)?
  11. 11.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.A shop sells an average of 30 kg of sugar a day for 4 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Marks of 6 friends in a quiz: 80, 86, 65, 86, 79, 54. What is their average mark?
  14. 14.The average of 9 numbers is 50. When one more number is added, the average becomes 54. What number was added?
  15. 15.Rohan’s batting average after 8 innings is 24 runs. How many runs must Rohan score in the next innings to raise the average to 28?
  16. 16.Marks of 5 friends in a quiz: 66, 54, 68, 72, 50. What is their average mark?
  17. 17.The average of 8 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  18. 18.The average weight of 8 children is 34 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 5 friends in a quiz: 93, 100, 84, 97, 51. What is their average mark?
  20. 20.Marks of 5 friends in a quiz: 51, 52, 71, 53, 88. What is their average mark?
  21. 21.Marks of 6 friends in a quiz: 20, 44, 22, 23, 29, 72. What is their average mark?
  22. 22.The average weight of 12 children is 35 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  23. 23.A shop sells an average of 65 kg of sugar a day for 2 days, and then 71 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  24. 24.Nisha’s batting average after 8 innings is 41 runs. How many runs must Nisha score in the next innings to raise the average to 43?
  25. 25.The average of 4 numbers is 20. When one more number is added, the average becomes 23. What number was added?
  26. 26.The average of 7 numbers is 30. When one more number is added, the average becomes 35. What number was added?
  27. 27.The average of 7 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  28. 28.Ishaan’s batting average after 11 innings is 44 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
  29. 29.Marks of 4 friends in a quiz: 91, 77, 65, 83. What is their average mark?
  30. 30.The average of 9 numbers is 56. When one more number is added, the average becomes 62. What number was added?
  31. 31.The average of 5 numbers is 36. When one more number is added, the average becomes 38. What number was added?
  32. 32.Aditya’s batting average after 6 innings is 27 runs. How many runs must Aditya score in the next innings to raise the average to 28?
  33. 33.A shop sells an average of 32 kg of sugar a day for 3 days, and then 38 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Kabir’s batting average after 15 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  35. 35.Kavya’s batting average after 5 innings is 39 runs. How many runs must Kavya score in the next innings to raise the average to 40?
  36. 36.Marks of 6 friends in a quiz: 42, 42, 53, 57, 33, 61. What is their average mark?
  37. 37.Sneha’s batting average after 14 innings is 23 runs. How many runs must Sneha score in the next innings to raise the average to 28?
  38. 38.Marks of 6 friends in a quiz: 73, 54, 60, 68, 57, 54. What is their average mark?
  39. 39.Meera’s batting average after 10 innings is 45 runs. How many runs must Meera score in the next innings to raise the average to 47?
  40. 40.The average of 6 numbers is 56. When one more number is added, the average becomes 57. What number was added?

Answer key

  1. 68
  2. 51
  3. 30
  4. 79
  5. 42
  6. 29
  7. 57
  8. 36
  9. 27
  10. 42
  11. 32
  12. 41
  13. 75
  14. 90
  15. 60
  16. 62
  17. 73
  18. 31
  19. 85
  20. 63
  21. 35
  22. 33
  23. 68
  24. 59
  25. 35
  26. 70
  27. 33
  28. 56
  29. 79
  30. 116
  31. 48
  32. 34
  33. 35
  34. 59
  35. 45
  36. 48
  37. 98
  38. 61
  39. 67
  40. 63

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