Average Questions Worksheet
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.The average of 6 numbers is 17. When one more number is added, the average becomes 18. What number was added?
- 2.The average of 4 numbers is 57. When one more number is added, the average becomes 58. What number was added?
- 3.A shop sells an average of 62 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)?
- 4.The average weight of 7 children is 28 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
- 5.Marks of 6 friends in a quiz: 68, 45, 62, 41, 51, 69. What is their average mark?
- 6.The average weight of 9 children is 47 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
- 7.A shop sells an average of 70 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)?
- 8.Marks of 4 friends in a quiz: 44, 44, 41, 59. What is their average mark?
- 9.A shop sells an average of 23 kg of sugar a day for 2 days, and then 75 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
- 10.The average of 5 numbers is 51. When one more number is added, the average becomes 55. What number was added?
- 11.A shop sells an average of 67 kg of sugar a day for 3 days, and then 59 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
- 12.The average of 4 numbers is 54. When one more number is added, the average becomes 60. What number was added?
- 13.Marks of 6 friends in a quiz: 41, 21, 20, 20, 19, 47. What is their average mark?
- 14.The average of 7 numbers is 58. When one more number is added, the average becomes 59. What number was added?
- 15.The average weight of 6 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
- 16.A shop sells an average of 58 kg of sugar a day for 2 days, and then 62 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
- 17.The average of 9 numbers is 20. When one more number is added, the average becomes 22. What number was added?
- 18.A shop sells an average of 27 kg of sugar a day for 4 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
- 19.Marks of 4 friends in a quiz: 45, 52, 47, 36. What is their average mark?
- 20.Marks of 6 friends in a quiz: 28, 22, 27, 21, 35, 65. What is their average mark?
- 21.Marks of 4 friends in a quiz: 51, 39, 36, 30. What is their average mark?
- 22.Meera’s batting average after 14 innings is 32 runs. How many runs must Meera score in the next innings to raise the average to 34?
- 23.Farhan’s batting average after 14 innings is 23 runs. How many runs must Farhan score in the next innings to raise the average to 28?
- 24.A shop sells an average of 77 kg of sugar a day for 6 days, and then 33 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
- 25.The average of 4 numbers is 50. When one more number is added, the average becomes 52. What number was added?
- 26.The average of 7 numbers is 22. When one more number is added, the average becomes 25. What number was added?
- 27.Marks of 4 friends in a quiz: 45, 66, 55, 70. What is their average mark?
- 28.Marks of 6 friends in a quiz: 22, 26, 29, 24, 25, 48. What is their average mark?
- 29.Marks of 6 friends in a quiz: 53, 33, 47, 56, 53, 16. What is their average mark?
- 30.Marks of 5 friends in a quiz: 61, 44, 58, 44, 53. What is their average mark?
- 31.The average of 8 numbers is 27. When one more number is added, the average becomes 29. What number was added?
- 32.Marks of 5 friends in a quiz: 51, 31, 53, 47, 8. What is their average mark?
- 33.Kabir’s batting average after 7 innings is 40 runs. How many runs must Kabir score in the next innings to raise the average to 43?
- 34.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
- 35.Marks of 4 friends in a quiz: 46, 36, 34, 20. What is their average mark?
- 36.A shop sells an average of 23 kg of sugar a day for 4 days, and then 27 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
- 37.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
- 38.Marks of 5 friends in a quiz: 50, 48, 49, 68, 90. What is their average mark?
- 39.A shop sells an average of 60 kg of sugar a day for 6 days, and then 30 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
- 40.Marks of 5 friends in a quiz: 47, 24, 50, 25, 39. What is their average mark?
Answer key
- 24
- 62
- 50
- 27
- 56
- 44
- 74
- 47
- 49
- 75
- 63
- 84
- 28
- 66
- 36
- 60
- 40
- 42
- 45
- 33
- 39
- 62
- 98
- 57
- 60
- 46
- 59
- 29
- 43
- 52
- 45
- 38
- 64
- 37
- 34
- 25
- 35
- 61
- 48
- 37
Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude