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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 107 · 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 8 children is 38 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.A shop sells an average of 47 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  3. 3.Saanvi’s batting average after 14 innings is 38 runs. How many runs must Saanvi score in the next innings to raise the average to 39?
  4. 4.The average of 4 numbers is 21. When one more number is added, the average becomes 22. What number was added?
  5. 5.A shop sells an average of 21 kg of sugar a day for 4 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  6. 6.A shop sells an average of 22 kg of sugar a day for 2 days, and then 50 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  7. 7.The average weight of 9 children is 41 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  8. 8.Marks of 6 friends in a quiz: 26, 24, 37, 24, 43, 80. What is their average mark?
  9. 9.Arjun’s batting average after 13 innings is 20 runs. How many runs must Arjun score in the next innings to raise the average to 22?
  10. 10.The average weight of 10 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Priya’s batting average after 12 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 25?
  12. 12.A shop sells an average of 61 kg of sugar a day for 2 days, and then 41 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  13. 13.A shop sells an average of 75 kg of sugar a day for 6 days, and then 67 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  14. 14.A shop sells an average of 41 kg of sugar a day for 6 days, and then 32 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
  15. 15.Marks of 6 friends in a quiz: 68, 62, 61, 78, 52, 81. What is their average mark?
  16. 16.Diya’s batting average after 15 innings is 39 runs. How many runs must Diya score in the next innings to raise the average to 40?
  17. 17.A shop sells an average of 38 kg of sugar a day for 5 days, and then 24 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  18. 18.The average weight of 9 children is 32 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Rahul’s batting average after 11 innings is 20 runs. How many runs must Rahul score in the next innings to raise the average to 25?
  20. 20.A shop sells an average of 22 kg of sugar a day for 4 days, and then 44 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.Arjun’s batting average after 8 innings is 49 runs. How many runs must Arjun score in the next innings to raise the average to 50?
  22. 22.A shop sells an average of 33 kg of sugar a day for 4 days, and then 69 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
  23. 23.Isha’s batting average after 13 innings is 22 runs. How many runs must Isha score in the next innings to raise the average to 25?
  24. 24.A shop sells an average of 59 kg of sugar a day for 2 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.Marks of 5 friends in a quiz: 62, 54, 67, 49, 43. What is their average mark?
  26. 26.Marks of 5 friends in a quiz: 43, 47, 26, 55, 34. What is their average mark?
  27. 27.A shop sells an average of 69 kg of sugar a day for 4 days, and then 45 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  28. 28.Aarav’s batting average after 6 innings is 34 runs. How many runs must Aarav score in the next innings to raise the average to 38?
  29. 29.Ananya’s batting average after 7 innings is 38 runs. How many runs must Ananya score in the next innings to raise the average to 42?
  30. 30.Kabir’s batting average after 6 innings is 28 runs. How many runs must Kabir score in the next innings to raise the average to 33?
  31. 31.Ishaan’s batting average after 10 innings is 26 runs. How many runs must Ishaan score in the next innings to raise the average to 31?
  32. 32.Marks of 4 friends in a quiz: 57, 57, 58, 16. What is their average mark?
  33. 33.Marks of 4 friends in a quiz: 46, 53, 29, 44. What is their average mark?
  34. 34.The average of 5 numbers is 41. When one more number is added, the average becomes 43. What number was added?
  35. 35.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)?
  36. 36.Marks of 4 friends in a quiz: 65, 45, 59, 59. What is their average mark?
  37. 37.The average weight of 8 children is 45 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.A shop sells an average of 67 kg of sugar a day for 4 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  39. 39.The average of 8 numbers is 30. When one more number is added, the average becomes 32. What number was added?
  40. 40.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 35
  2. 63
  3. 53
  4. 26
  5. 30
  6. 36
  7. 38
  8. 39
  9. 48
  10. 30
  11. 49
  12. 49
  13. 73
  14. 38
  15. 67
  16. 55
  17. 34
  18. 30
  19. 80
  20. 33
  21. 58
  22. 53
  23. 64
  24. 56
  25. 55
  26. 41
  27. 57
  28. 62
  29. 70
  30. 63
  31. 81
  32. 47
  33. 43
  34. 53
  35. 36
  36. 57
  37. 42
  38. 73
  39. 48
  40. 28

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