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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 699 · 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.A shop sells an average of 51 kg of sugar a day for 4 days, and then 42 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  2. 2.A shop sells an average of 33 kg of sugar a day for 2 days, and then 65 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Rahul’s batting average after 10 innings is 34 runs. How many runs must Rahul score in the next innings to raise the average to 35?
  4. 4.The average of 5 numbers is 19. When one more number is added, the average becomes 20. What number was added?
  5. 5.The average of 8 numbers is 57. When one more number is added, the average becomes 62. What number was added?
  6. 6.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  7. 7.Vivaan’s batting average after 6 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 30?
  8. 8.Marks of 4 friends in a quiz: 26, 47, 48, 15. What is their average mark?
  9. 9.Marks of 5 friends in a quiz: 80, 75, 69, 57, 44. What is their average mark?
  10. 10.The average of 8 numbers is 59. When one more number is added, the average becomes 63. What number was added?
  11. 11.Kabir’s batting average after 8 innings is 29 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  12. 12.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 4 numbers is 45. When one more number is added, the average becomes 47. What number was added?
  14. 14.Marks of 4 friends in a quiz: 11, 18, 31, 28. What is their average mark?
  15. 15.The average of 7 numbers is 40. When one more number is added, the average becomes 44. What number was added?
  16. 16.Marks of 5 friends in a quiz: 31, 38, 43, 29, 29. What is their average mark?
  17. 17.Rohan’s batting average after 9 innings is 32 runs. How many runs must Rohan score in the next innings to raise the average to 35?
  18. 18.The average weight of 10 children is 27 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.A shop sells an average of 25 kg of sugar a day for 4 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.A shop sells an average of 40 kg of sugar a day for 4 days, and then 47 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  21. 21.Marks of 4 friends in a quiz: 61, 62, 57, 76. What is their average mark?
  22. 22.A shop sells an average of 35 kg of sugar a day for 2 days, and then 73 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  23. 23.The average weight of 5 children is 40 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.Marks of 6 friends in a quiz: 32, 18, 29, 33, 32, 12. What is their average mark?
  25. 25.Marks of 5 friends in a quiz: 19, 18, 20, 23, 65. What is their average mark?
  26. 26.The average weight of 10 children is 37 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Kabir’s batting average after 8 innings is 32 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  28. 28.Diya’s batting average after 12 innings is 37 runs. How many runs must Diya score in the next innings to raise the average to 38?
  29. 29.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Manav’s batting average after 13 innings is 47 runs. How many runs must Manav score in the next innings to raise the average to 49?
  31. 31.The average weight of 8 children is 43 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
  32. 32.The average of 6 numbers is 33. When one more number is added, the average becomes 35. What number was added?
  33. 33.Marks of 4 friends in a quiz: 75, 70, 66, 57. What is their average mark?
  34. 34.Ananya’s batting average after 10 innings is 28 runs. How many runs must Ananya score in the next innings to raise the average to 30?
  35. 35.The average weight of 7 children is 33 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 12 children is 29 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Sneha’s batting average after 12 innings is 50 runs. How many runs must Sneha score in the next innings to raise the average to 52?
  38. 38.A shop sells an average of 69 kg of sugar a day for 3 days, and then 44 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  39. 39.Marks of 5 friends in a quiz: 40, 45, 49, 49, 52. What is their average mark?
  40. 40.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 48
  2. 49
  3. 45
  4. 25
  5. 102
  6. 28
  7. 42
  8. 34
  9. 65
  10. 95
  11. 65
  12. 26
  13. 55
  14. 22
  15. 72
  16. 34
  17. 62
  18. 25
  19. 28
  20. 43
  21. 64
  22. 54
  23. 39
  24. 26
  25. 29
  26. 34
  27. 41
  28. 50
  29. 30
  30. 75
  31. 41
  32. 47
  33. 67
  34. 50
  35. 32
  36. 28
  37. 76
  38. 59
  39. 47
  40. 33

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