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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 184 · 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 6 friends in a quiz: 92, 84, 95, 83, 75, 99. What is their average mark?
  2. 2.Rahul’s batting average after 14 innings is 31 runs. How many runs must Rahul score in the next innings to raise the average to 36?
  3. 3.Nisha’s batting average after 12 innings is 46 runs. How many runs must Nisha score in the next innings to raise the average to 50?
  4. 4.Marks of 6 friends in a quiz: 59, 49, 44, 45, 57, 22. What is their average mark?
  5. 5.The average weight of 11 children is 37 kg. One child, who weighs 67 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 51 kg of sugar a day for 3 days, and then 33 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  7. 7.Marks of 5 friends in a quiz: 68, 61, 88, 79, 69. What is their average mark?
  8. 8.A shop sells an average of 79 kg of sugar a day for 5 days, and then 29 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  9. 9.The average weight of 7 children is 41 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  10. 10.The average weight of 8 children is 29 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.The average weight of 11 children is 48 kg. One child, who weighs 78 kg, leaves the group. What is the new average weight (in kg)?
  12. 12.The average of 9 numbers is 57. When one more number is added, the average becomes 63. What number was added?
  13. 13.The average of 9 numbers is 50. When one more number is added, the average becomes 51. What number was added?
  14. 14.A shop sells an average of 47 kg of sugar a day for 6 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  15. 15.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
  16. 16.The average weight of 8 children is 38 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  17. 17.The average weight of 11 children is 31 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.The average of 8 numbers is 26. When one more number is added, the average becomes 28. What number was added?
  19. 19.A shop sells an average of 69 kg of sugar a day for 5 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
  20. 20.The average of 5 numbers is 21. When one more number is added, the average becomes 25. What number was added?
  21. 21.A shop sells an average of 44 kg of sugar a day for 5 days, and then 22 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  22. 22.Ananya’s batting average after 9 innings is 25 runs. How many runs must Ananya score in the next innings to raise the average to 27?
  23. 23.The average of 4 numbers is 43. When one more number is added, the average becomes 47. What number was added?
  24. 24.The average of 9 numbers is 25. When one more number is added, the average becomes 29. What number was added?
  25. 25.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)?
  26. 26.The average of 5 numbers is 48. When one more number is added, the average becomes 52. What number was added?
  27. 27.Karan’s batting average after 12 innings is 46 runs. How many runs must Karan score in the next innings to raise the average to 51?
  28. 28.The average of 8 numbers is 45. When one more number is added, the average becomes 50. What number was added?
  29. 29.Marks of 4 friends in a quiz: 50, 61, 68, 61. What is their average mark?
  30. 30.The average of 9 numbers is 54. When one more number is added, the average becomes 58. What number was added?
  31. 31.The average of 9 numbers is 60. When one more number is added, the average becomes 64. What number was added?
  32. 32.The average of 7 numbers is 39. When one more number is added, the average becomes 41. What number was added?
  33. 33.Marks of 4 friends in a quiz: 31, 29, 28, 16. What is their average mark?
  34. 34.The average of 5 numbers is 40. When one more number is added, the average becomes 46. What number was added?
  35. 35.The average weight of 8 children is 26 kg. One child, who weighs 33 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.Marks of 5 friends in a quiz: 21, 20, 40, 35, 29. What is their average mark?
  37. 37.Marks of 5 friends in a quiz: 49, 21, 51, 23, 36. What is their average mark?
  38. 38.Ishaan’s batting average after 5 innings is 31 runs. How many runs must Ishaan score in the next innings to raise the average to 33?
  39. 39.The average weight of 9 children is 36 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
  40. 40.A shop sells an average of 56 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?

Answer key

  1. 88
  2. 106
  3. 98
  4. 46
  5. 34
  6. 39
  7. 73
  8. 54
  9. 40
  10. 28
  11. 45
  12. 117
  13. 60
  14. 38
  15. 30
  16. 37
  17. 28
  18. 44
  19. 61
  20. 45
  21. 33
  22. 45
  23. 63
  24. 65
  25. 28
  26. 72
  27. 111
  28. 90
  29. 60
  30. 94
  31. 100
  32. 55
  33. 26
  34. 76
  35. 25
  36. 29
  37. 36
  38. 43
  39. 33
  40. 67

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