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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 490 · 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.Marks of 4 friends in a quiz: 55, 43, 35, 47. What is their average mark?
  2. 2.The average of 4 numbers is 50. When one more number is added, the average becomes 52. What number was added?
  3. 3.Marks of 5 friends in a quiz: 19, 10, 14, 10, 47. What is their average mark?
  4. 4.The average weight of 8 children is 46 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  5. 5.Marks of 4 friends in a quiz: 26, 17, 42, 23. What is their average mark?
  6. 6.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)?
  7. 7.Rahul’s batting average after 9 innings is 35 runs. How many runs must Rahul score in the next innings to raise the average to 36?
  8. 8.Marks of 6 friends in a quiz: 76, 90, 94, 72, 93, 61. What is their average mark?
  9. 9.A shop sells an average of 43 kg of sugar a day for 3 days, and then 71 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  10. 10.A shop sells an average of 80 kg of sugar a day for 3 days, and then 24 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  11. 11.Marks of 6 friends in a quiz: 48, 53, 60, 70, 54, 45. What is their average mark?
  12. 12.Isha’s batting average after 5 innings is 43 runs. How many runs must Isha score in the next innings to raise the average to 48?
  13. 13.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Arjun’s batting average after 10 innings is 21 runs. How many runs must Arjun score in the next innings to raise the average to 25?
  15. 15.A shop sells an average of 32 kg of sugar a day for 3 days, and then 20 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  16. 16.The average weight of 12 children is 30 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average of 6 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  18. 18.Marks of 5 friends in a quiz: 84, 61, 74, 56, 80. What is their average mark?
  19. 19.Manav’s batting average after 6 innings is 37 runs. How many runs must Manav score in the next innings to raise the average to 39?
  20. 20.Ananya’s batting average after 5 innings is 44 runs. How many runs must Ananya score in the next innings to raise the average to 45?
  21. 21.Vivaan’s batting average after 11 innings is 28 runs. How many runs must Vivaan score in the next innings to raise the average to 31?
  22. 22.Kabir’s batting average after 15 innings is 47 runs. How many runs must Kabir score in the next innings to raise the average to 51?
  23. 23.The average of 9 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  24. 24.The average of 7 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  25. 25.The average of 9 numbers is 58. When one more number is added, the average becomes 64. What number was added?
  26. 26.Karan’s batting average after 12 innings is 20 runs. How many runs must Karan score in the next innings to raise the average to 24?
  27. 27.Marks of 5 friends in a quiz: 61, 49, 78, 74, 53. What is their average mark?
  28. 28.A shop sells an average of 57 kg of sugar a day for 2 days, and then 33 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 4 numbers is 44. When one more number is added, the average becomes 50. What number was added?
  30. 30.The average of 4 numbers is 35. When one more number is added, the average becomes 38. What number was added?
  31. 31.A shop sells an average of 36 kg of sugar a day for 3 days, and then 57 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  32. 32.A shop sells an average of 34 kg of sugar a day for 4 days, and then 76 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.Marks of 5 friends in a quiz: 93, 89, 87, 68, 58. What is their average mark?
  34. 34.Rohan’s batting average after 12 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  35. 35.Marks of 5 friends in a quiz: 28, 40, 34, 55, 58. What is their average mark?
  36. 36.The average of 9 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  37. 37.Marks of 4 friends in a quiz: 62, 72, 59, 91. What is their average mark?
  38. 38.Marks of 5 friends in a quiz: 78, 93, 100, 92, 62. What is their average mark?
  39. 39.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.Arjun’s batting average after 7 innings is 43 runs. How many runs must Arjun score in the next innings to raise the average to 45?

Answer key

  1. 45
  2. 60
  3. 20
  4. 43
  5. 27
  6. 25
  7. 45
  8. 81
  9. 57
  10. 52
  11. 55
  12. 73
  13. 41
  14. 65
  15. 24
  16. 29
  17. 52
  18. 71
  19. 51
  20. 50
  21. 64
  22. 111
  23. 61
  24. 75
  25. 118
  26. 72
  27. 63
  28. 45
  29. 74
  30. 50
  31. 50
  32. 55
  33. 79
  34. 79
  35. 43
  36. 81
  37. 71
  38. 85
  39. 32
  40. 59

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