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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 358 · 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.Diya’s batting average after 9 innings is 22 runs. How many runs must Diya score in the next innings to raise the average to 25?
  2. 2.A shop sells an average of 21 kg of sugar a day for 3 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  3. 3.The average of 9 numbers is 30. When one more number is added, the average becomes 33. What number was added?
  4. 4.The average of 8 numbers is 17. When one more number is added, the average becomes 19. What number was added?
  5. 5.Manav’s batting average after 9 innings is 26 runs. How many runs must Manav score in the next innings to raise the average to 30?
  6. 6.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)?
  7. 7.Isha’s batting average after 11 innings is 46 runs. How many runs must Isha score in the next innings to raise the average to 47?
  8. 8.The average weight of 5 children is 37 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Marks of 5 friends in a quiz: 31, 19, 20, 24, 11. What is their average mark?
  10. 10.Isha’s batting average after 8 innings is 35 runs. How many runs must Isha score in the next innings to raise the average to 39?
  11. 11.Marks of 5 friends in a quiz: 33, 29, 8, 18, 22. What is their average mark?
  12. 12.A shop sells an average of 61 kg of sugar a day for 3 days, and then 68 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
  13. 13.The average of 9 numbers is 48. When one more number is added, the average becomes 50. What number was added?
  14. 14.A shop sells an average of 74 kg of sugar a day for 4 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  15. 15.Marks of 4 friends in a quiz: 26, 27, 44, 19. What is their average mark?
  16. 16.Marks of 4 friends in a quiz: 62, 71, 65, 46. What is their average mark?
  17. 17.A shop sells an average of 77 kg of sugar a day for 4 days, and then 32 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  18. 18.Marks of 4 friends in a quiz: 75, 79, 80, 74. What is their average mark?
  19. 19.Marks of 5 friends in a quiz: 61, 54, 77, 63, 65. What is their average mark?
  20. 20.Marks of 6 friends in a quiz: 38, 20, 21, 32, 45, 48. What is their average mark?
  21. 21.A shop sells an average of 30 kg of sugar a day for 5 days, and then 74 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 56, 84, 64, 76. What is their average mark?
  23. 23.Meera’s batting average after 12 innings is 45 runs. How many runs must Meera score in the next innings to raise the average to 46?
  24. 24.Marks of 5 friends in a quiz: 24, 25, 43, 51, 37. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 39, 44, 66, 58, 63. What is their average mark?
  26. 26.Marks of 4 friends in a quiz: 57, 64, 69, 98. What is their average mark?
  27. 27.The average weight of 8 children is 45 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Isha’s batting average after 11 innings is 25 runs. How many runs must Isha score in the next innings to raise the average to 30?
  29. 29.A shop sells an average of 23 kg of sugar a day for 3 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  30. 30.The average weight of 5 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 77, 53, 74, 68. What is their average mark?
  32. 32.A shop sells an average of 21 kg of sugar a day for 2 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 15, 21, 31, 36, 7. What is their average mark?
  34. 34.A shop sells an average of 29 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  35. 35.The average weight of 11 children is 31 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 6 friends in a quiz: 75, 87, 88, 75, 78, 89. What is their average mark?
  37. 37.Kabir’s batting average after 8 innings is 25 runs. How many runs must Kabir score in the next innings to raise the average to 27?
  38. 38.Arjun’s batting average after 11 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 51?
  39. 39.The average weight of 11 children is 32 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.The average weight of 6 children is 29 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 52
  2. 26
  3. 60
  4. 35
  5. 66
  6. 31
  7. 58
  8. 36
  9. 21
  10. 71
  11. 22
  12. 65
  13. 68
  14. 77
  15. 29
  16. 61
  17. 52
  18. 77
  19. 64
  20. 34
  21. 54
  22. 70
  23. 58
  24. 36
  25. 54
  26. 72
  27. 44
  28. 85
  29. 29
  30. 41
  31. 68
  32. 35
  33. 22
  34. 35
  35. 30
  36. 82
  37. 43
  38. 106
  39. 31
  40. 26

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