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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 164 · 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 4 friends in a quiz: 68, 77, 73, 62. What is their average mark?
  2. 2.The average of 5 numbers is 44. When one more number is added, the average becomes 45. What number was added?
  3. 3.Rohan’s batting average after 5 innings is 41 runs. How many runs must Rohan score in the next innings to raise the average to 42?
  4. 4.A shop sells an average of 40 kg of sugar a day for 4 days, and then 34 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  5. 5.Nisha’s batting average after 8 innings is 24 runs. How many runs must Nisha score in the next innings to raise the average to 28?
  6. 6.Rohan’s batting average after 7 innings is 23 runs. How many runs must Rohan score in the next innings to raise the average to 26?
  7. 7.The average of 5 numbers is 15. When one more number is added, the average becomes 16. What number was added?
  8. 8.Vivaan’s batting average after 14 innings is 23 runs. How many runs must Vivaan score in the next innings to raise the average to 28?
  9. 9.The average weight of 10 children is 32 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 77 kg of sugar a day for 4 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  11. 11.The average of 8 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  12. 12.Marks of 5 friends in a quiz: 43, 27, 39, 42, 54. What is their average mark?
  13. 13.A shop sells an average of 50 kg of sugar a day for 6 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  14. 14.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)?
  15. 15.The average weight of 9 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.Marks of 5 friends in a quiz: 80, 79, 72, 65, 89. What is their average mark?
  17. 17.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 6 friends in a quiz: 60, 53, 63, 60, 50, 62. What is their average mark?
  19. 19.A shop sells an average of 49 kg of sugar a day for 2 days, and then 70 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  20. 20.The average weight of 7 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  22. 22.Marks of 4 friends in a quiz: 33, 52, 57, 38. What is their average mark?
  23. 23.The average weight of 5 children is 46 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 4 friends in a quiz: 69, 46, 56, 73. What is their average mark?
  25. 25.The average weight of 11 children is 44 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 11, 31, 27, 33, 13. What is their average mark?
  27. 27.Marks of 6 friends in a quiz: 66, 71, 87, 73, 68, 97. What is their average mark?
  28. 28.The average of 9 numbers is 23. When one more number is added, the average becomes 25. What number was added?
  29. 29.The average of 9 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  30. 30.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.The average weight of 12 children is 27 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.Marks of 6 friends in a quiz: 69, 73, 85, 83, 91, 61. What is their average mark?
  33. 33.The average of 8 numbers is 22. When one more number is added, the average becomes 27. What number was added?
  34. 34.The average weight of 12 children is 37 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.A shop sells an average of 27 kg of sugar a day for 3 days, and then 21 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  36. 36.Farhan’s batting average after 15 innings is 22 runs. How many runs must Farhan score in the next innings to raise the average to 23?
  37. 37.Diya’s batting average after 8 innings is 49 runs. How many runs must Diya score in the next innings to raise the average to 52?
  38. 38.A shop sells an average of 37 kg of sugar a day for 5 days, and then 47 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  39. 39.Kabir’s batting average after 6 innings is 44 runs. How many runs must Kabir score in the next innings to raise the average to 46?
  40. 40.Marks of 6 friends in a quiz: 89, 75, 94, 84, 76, 98. What is their average mark?

Answer key

  1. 70
  2. 50
  3. 47
  4. 38
  5. 60
  6. 47
  7. 21
  8. 98
  9. 31
  10. 56
  11. 29
  12. 41
  13. 62
  14. 39
  15. 28
  16. 77
  17. 30
  18. 58
  19. 63
  20. 29
  21. 39
  22. 45
  23. 45
  24. 61
  25. 42
  26. 23
  27. 77
  28. 43
  29. 83
  30. 41
  31. 25
  32. 77
  33. 67
  34. 36
  35. 23
  36. 38
  37. 76
  38. 42
  39. 58
  40. 86

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