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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 153 · 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.Manav’s batting average after 9 innings is 27 runs. How many runs must Manav score in the next innings to raise the average to 31?
  2. 2.Marks of 5 friends in a quiz: 96, 83, 90, 87, 84. What is their average mark?
  3. 3.Marks of 5 friends in a quiz: 35, 36, 47, 44, 23. What is their average mark?
  4. 4.The average weight of 6 children is 36 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.The average weight of 7 children is 37 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.Marks of 6 friends in a quiz: 54, 80, 67, 72, 59, 76. What is their average mark?
  7. 7.Marks of 6 friends in a quiz: 18, 36, 36, 43, 39, 8. What is their average mark?
  8. 8.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)?
  9. 9.Ananya’s batting average after 6 innings is 33 runs. How many runs must Ananya score in the next innings to raise the average to 37?
  10. 10.The average of 4 numbers is 33. When one more number is added, the average becomes 38. What number was added?
  11. 11.Isha’s batting average after 15 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 40?
  12. 12.A shop sells an average of 22 kg of sugar a day for 2 days, and then 28 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  13. 13.Marks of 5 friends in a quiz: 96, 74, 95, 68, 77. What is their average mark?
  14. 14.Manav’s batting average after 5 innings is 21 runs. How many runs must Manav score in the next innings to raise the average to 22?
  15. 15.Marks of 5 friends in a quiz: 23, 27, 36, 23, 11. What is their average mark?
  16. 16.Marks of 5 friends in a quiz: 83, 85, 74, 93, 80. What is their average mark?
  17. 17.Priya’s batting average after 10 innings is 30 runs. How many runs must Priya score in the next innings to raise the average to 33?
  18. 18.Marks of 6 friends in a quiz: 43, 58, 61, 55, 44, 45. What is their average mark?
  19. 19.The average of 7 numbers is 28. When one more number is added, the average becomes 32. What number was added?
  20. 20.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 4 numbers is 51. When one more number is added, the average becomes 57. What number was added?
  22. 22.Vivaan’s batting average after 11 innings is 50 runs. How many runs must Vivaan score in the next innings to raise the average to 55?
  23. 23.Sneha’s batting average after 5 innings is 32 runs. How many runs must Sneha score in the next innings to raise the average to 35?
  24. 24.Marks of 5 friends in a quiz: 58, 48, 68, 67, 29. What is their average mark?
  25. 25.A shop sells an average of 28 kg of sugar a day for 2 days, and then 38 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  26. 26.Marks of 4 friends in a quiz: 40, 55, 39, 70. What is their average mark?
  27. 27.Diya’s batting average after 7 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 36?
  28. 28.A shop sells an average of 69 kg of sugar a day for 2 days, and then 39 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  29. 29.The average of 9 numbers is 43. When one more number is added, the average becomes 45. What number was added?
  30. 30.Marks of 6 friends in a quiz: 65, 61, 68, 59, 76, 67. What is their average mark?
  31. 31.A shop sells an average of 75 kg of sugar a day for 4 days, and then 31 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.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)?
  33. 33.The average of 7 numbers is 20. When one more number is added, the average becomes 21. What number was added?
  34. 34.The average weight of 7 children is 32 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  35. 35.Marks of 6 friends in a quiz: 57, 53, 32, 39, 50, 51. What is their average mark?
  36. 36.Marks of 5 friends in a quiz: 15, 29, 14, 34, 38. What is their average mark?
  37. 37.The average weight of 6 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Ananya’s batting average after 10 innings is 20 runs. How many runs must Ananya score in the next innings to raise the average to 24?
  39. 39.The average of 5 numbers is 43. When one more number is added, the average becomes 44. What number was added?
  40. 40.Marks of 4 friends in a quiz: 57, 63, 58, 30. What is their average mark?

Answer key

  1. 67
  2. 88
  3. 37
  4. 35
  5. 36
  6. 68
  7. 30
  8. 40
  9. 61
  10. 58
  11. 100
  12. 26
  13. 82
  14. 27
  15. 24
  16. 83
  17. 63
  18. 51
  19. 60
  20. 28
  21. 81
  22. 110
  23. 50
  24. 54
  25. 33
  26. 51
  27. 71
  28. 54
  29. 63
  30. 66
  31. 53
  32. 33
  33. 28
  34. 31
  35. 47
  36. 26
  37. 35
  38. 64
  39. 49
  40. 52

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