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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 409 · 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.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 22 kg of sugar a day for 2 days, and then 76 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Meera’s batting average after 15 innings is 28 runs. How many runs must Meera score in the next innings to raise the average to 29?
  4. 4.Rohan’s batting average after 14 innings is 37 runs. How many runs must Rohan score in the next innings to raise the average to 41?
  5. 5.Marks of 4 friends in a quiz: 52, 42, 65, 65. What is their average mark?
  6. 6.A shop sells an average of 30 kg of sugar a day for 5 days, and then 34 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  7. 7.A shop sells an average of 23 kg of sugar a day for 4 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  8. 8.The average of 9 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  9. 9.The average weight of 8 children is 34 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.A shop sells an average of 49 kg of sugar a day for 2 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  11. 11.A shop sells an average of 29 kg of sugar a day for 4 days, and then 59 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  12. 12.The average weight of 9 children is 31 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  13. 13.The average of 4 numbers is 17. When one more number is added, the average becomes 20. What number was added?
  14. 14.The average weight of 11 children is 45 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 7 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  16. 16.A shop sells an average of 78 kg of sugar a day for 6 days, and then 28 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  17. 17.The average of 5 numbers is 25. When one more number is added, the average becomes 26. What number was added?
  18. 18.The average of 6 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  19. 19.Marks of 5 friends in a quiz: 46, 51, 54, 51, 78. What is their average mark?
  20. 20.A shop sells an average of 52 kg of sugar a day for 3 days, and then 27 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
  21. 21.A shop sells an average of 25 kg of sugar a day for 3 days, and then 31 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  22. 22.Kabir’s batting average after 8 innings is 43 runs. How many runs must Kabir score in the next innings to raise the average to 45?
  23. 23.Manav’s batting average after 13 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 27?
  24. 24.Marks of 6 friends in a quiz: 55, 85, 58, 66, 73, 83. What is their average mark?
  25. 25.Marks of 4 friends in a quiz: 64, 60, 81, 75. What is their average mark?
  26. 26.The average weight of 11 children is 28 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  27. 27.Kavya’s batting average after 15 innings is 21 runs. How many runs must Kavya score in the next innings to raise the average to 25?
  28. 28.Ananya’s batting average after 9 innings is 32 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  29. 29.The average weight of 5 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  30. 30.Meera’s batting average after 5 innings is 33 runs. How many runs must Meera score in the next innings to raise the average to 38?
  31. 31.Marks of 5 friends in a quiz: 97, 98, 78, 81, 96. What is their average mark?
  32. 32.Marks of 6 friends in a quiz: 37, 38, 39, 48, 44, 64. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 30, 8, 35, 19. What is their average mark?
  34. 34.Dev’s batting average after 5 innings is 32 runs. How many runs must Dev score in the next innings to raise the average to 33?
  35. 35.A shop sells an average of 25 kg of sugar a day for 5 days, and then 80 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  36. 36.Manav’s batting average after 12 innings is 27 runs. How many runs must Manav score in the next innings to raise the average to 29?
  37. 37.The average weight of 8 children is 32 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Diya’s batting average after 15 innings is 50 runs. How many runs must Diya score in the next innings to raise the average to 51?
  39. 39.Ananya’s batting average after 12 innings is 26 runs. How many runs must Ananya score in the next innings to raise the average to 28?
  40. 40.Saanvi’s batting average after 6 innings is 47 runs. How many runs must Saanvi score in the next innings to raise the average to 50?

Answer key

  1. 35
  2. 49
  3. 44
  4. 97
  5. 56
  6. 32
  7. 31
  8. 88
  9. 32
  10. 58
  11. 47
  12. 28
  13. 32
  14. 44
  15. 28
  16. 53
  17. 31
  18. 100
  19. 56
  20. 42
  21. 29
  22. 61
  23. 92
  24. 70
  25. 70
  26. 27
  27. 85
  28. 62
  29. 43
  30. 63
  31. 90
  32. 45
  33. 23
  34. 38
  35. 55
  36. 53
  37. 31
  38. 66
  39. 52
  40. 68

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