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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 115 · 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 29 kg of sugar a day for 6 days, and then 61 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  2. 2.A shop sells an average of 80 kg of sugar a day for 4 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  3. 3.Kabir’s batting average after 5 innings is 39 runs. How many runs must Kabir score in the next innings to raise the average to 44?
  4. 4.The average weight of 5 children is 31 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average of 4 numbers is 38. When one more number is added, the average becomes 43. What number was added?
  6. 6.Aarav’s batting average after 7 innings is 38 runs. How many runs must Aarav score in the next innings to raise the average to 40?
  7. 7.The average of 5 numbers is 19. When one more number is added, the average becomes 21. What number was added?
  8. 8.The average of 7 numbers is 25. When one more number is added, the average becomes 27. What number was added?
  9. 9.Marks of 6 friends in a quiz: 50, 50, 56, 54, 46, 62. What is their average mark?
  10. 10.Sneha’s batting average after 14 innings is 37 runs. How many runs must Sneha score in the next innings to raise the average to 41?
  11. 11.The average weight of 5 children is 29 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.Marks of 4 friends in a quiz: 51, 75, 48, 78. What is their average mark?
  13. 13.Nisha’s batting average after 8 innings is 26 runs. How many runs must Nisha score in the next innings to raise the average to 28?
  14. 14.The average weight of 7 children is 41 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  15. 15.The average of 6 numbers is 41. When one more number is added, the average becomes 42. What number was added?
  16. 16.Marks of 6 friends in a quiz: 62, 58, 51, 68, 50, 89. What is their average mark?
  17. 17.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)?
  18. 18.The average weight of 8 children is 37 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Rahul’s batting average after 15 innings is 46 runs. How many runs must Rahul score in the next innings to raise the average to 51?
  20. 20.Sneha’s batting average after 13 innings is 37 runs. How many runs must Sneha score in the next innings to raise the average to 38?
  21. 21.A shop sells an average of 22 kg of sugar a day for 6 days, and then 72 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  22. 22.Marks of 5 friends in a quiz: 28, 46, 45, 30, 31. What is their average mark?
  23. 23.Marks of 6 friends in a quiz: 37, 31, 36, 35, 36, 35. What is their average mark?
  24. 24.The average of 6 numbers is 40. When one more number is added, the average becomes 41. What number was added?
  25. 25.The average weight of 8 children is 41 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.A shop sells an average of 42 kg of sugar a day for 6 days, and then 34 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  27. 27.The average weight of 6 children is 30 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
  28. 28.Marks of 4 friends in a quiz: 61, 32, 59, 32. What is their average mark?
  29. 29.The average of 9 numbers is 38. When one more number is added, the average becomes 44. What number was added?
  30. 30.The average weight of 5 children is 31 kg. One child, who weighs 39 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Marks of 4 friends in a quiz: 61, 89, 67, 79. What is their average mark?
  32. 32.A shop sells an average of 59 kg of sugar a day for 4 days, and then 80 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  33. 33.A shop sells an average of 51 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  34. 34.Marks of 5 friends in a quiz: 27, 34, 21, 25, 43. What is their average mark?
  35. 35.The average of 4 numbers is 32. When one more number is added, the average becomes 34. What number was added?
  36. 36.The average weight of 11 children is 41 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.The average of 9 numbers is 23. When one more number is added, the average becomes 24. What number was added?
  38. 38.The average weight of 5 children is 38 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.Marks of 4 friends in a quiz: 29, 30, 25, 28. What is their average mark?
  40. 40.Aarav’s batting average after 10 innings is 22 runs. How many runs must Aarav score in the next innings to raise the average to 24?

Answer key

  1. 37
  2. 74
  3. 69
  4. 28
  5. 63
  6. 54
  7. 31
  8. 41
  9. 53
  10. 97
  11. 28
  12. 63
  13. 44
  14. 39
  15. 48
  16. 63
  17. 41
  18. 35
  19. 126
  20. 51
  21. 47
  22. 36
  23. 35
  24. 47
  25. 40
  26. 38
  27. 28
  28. 46
  29. 98
  30. 29
  31. 74
  32. 66
  33. 58
  34. 30
  35. 42
  36. 38
  37. 33
  38. 37
  39. 28
  40. 44

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