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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 717 · 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.The average weight of 5 children is 43 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
  2. 2.The average weight of 11 children is 45 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  3. 3.A shop sells an average of 52 kg of sugar a day for 5 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
  4. 4.The average of 4 numbers is 18. When one more number is added, the average becomes 24. What number was added?
  5. 5.A shop sells an average of 68 kg of sugar a day for 6 days, and then 73 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
  6. 6.A shop sells an average of 37 kg of sugar a day for 6 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  7. 7.The average of 9 numbers is 55. When one more number is added, the average becomes 57. What number was added?
  8. 8.A shop sells an average of 72 kg of sugar a day for 5 days, and then 48 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
  9. 9.A shop sells an average of 62 kg of sugar a day for 5 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
  10. 10.The average weight of 7 children is 44 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.A shop sells an average of 49 kg of sugar a day for 2 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  12. 12.Diya’s batting average after 6 innings is 28 runs. How many runs must Diya score in the next innings to raise the average to 29?
  13. 13.The average weight of 11 children is 40 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
  14. 14.Zoya’s batting average after 7 innings is 35 runs. How many runs must Zoya score in the next innings to raise the average to 37?
  15. 15.A shop sells an average of 78 kg of sugar a day for 3 days, and then 28 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  16. 16.The average of 7 numbers is 39. When one more number is added, the average becomes 45. What number was added?
  17. 17.The average weight of 11 children is 35 kg. One child, who weighs 65 kg, leaves the group. What is the new average weight (in kg)?
  18. 18.Marks of 4 friends in a quiz: 75, 73, 58, 86. What is their average mark?
  19. 19.Marks of 4 friends in a quiz: 30, 48, 48, 42. What is their average mark?
  20. 20.The average weight of 9 children is 32 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  21. 21.The average of 5 numbers is 37. When one more number is added, the average becomes 43. What number was added?
  22. 22.The average of 9 numbers is 19. When one more number is added, the average becomes 25. What number was added?
  23. 23.Nisha’s batting average after 12 innings is 38 runs. How many runs must Nisha score in the next innings to raise the average to 40?
  24. 24.The average weight of 7 children is 43 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.Kabir’s batting average after 5 innings is 21 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  26. 26.Marks of 5 friends in a quiz: 79, 94, 78, 94, 50. What is their average mark?
  27. 27.Kabir’s batting average after 5 innings is 30 runs. How many runs must Kabir score in the next innings to raise the average to 35?
  28. 28.A shop sells an average of 65 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)?
  29. 29.Nisha’s batting average after 15 innings is 47 runs. How many runs must Nisha score in the next innings to raise the average to 52?
  30. 30.The average weight of 7 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
  31. 31.Isha’s batting average after 5 innings is 36 runs. How many runs must Isha score in the next innings to raise the average to 38?
  32. 32.The average weight of 7 children is 39 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  33. 33.The average weight of 6 children is 39 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
  34. 34.Marks of 4 friends in a quiz: 75, 96, 71, 98. What is their average mark?
  35. 35.The average weight of 12 children is 28 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
  37. 37.Saanvi’s batting average after 9 innings is 40 runs. How many runs must Saanvi score in the next innings to raise the average to 41?
  38. 38.The average weight of 9 children is 45 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
  39. 39.A shop sells an average of 61 kg of sugar a day for 4 days, and then 54 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
  40. 40.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)?

Answer key

  1. 40
  2. 43
  3. 46
  4. 48
  5. 70
  6. 30
  7. 75
  8. 63
  9. 67
  10. 42
  11. 54
  12. 35
  13. 37
  14. 51
  15. 53
  16. 87
  17. 32
  18. 73
  19. 42
  20. 29
  21. 73
  22. 79
  23. 64
  24. 40
  25. 39
  26. 79
  27. 60
  28. 70
  29. 127
  30. 27
  31. 48
  32. 38
  33. 38
  34. 85
  35. 25
  36. 40
  37. 50
  38. 42
  39. 58
  40. 41

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