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Group Size Deduction Beginner-Intermediate Worksheet: Focus on common variations practice Group Size Deduction BEGINNER INTERMEDIATE

Level up your Group Size Deduction skills! You're at Worksheet 4 of 10 (33% through this series). This step-up challenge worksheet features 20 beginner-intermediate-level problems with a focus on common variations practice. Topics covered: group size deduction for competitive exams, how to solve group size deduction, group size deduction tricks.

📝 Worksheet 4 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner Intermediate level

What you'll learn in this worksheet:
Your progress through Group Size Deduction
Worksheet 4 of 10 (33% complete)

Question 1

The average age of a group is 17. The sum of their ages is 51. How many people are there in the group?
Count = sum / average = 51 / 17 = 3

Question 2

The average age of a group is 17. The sum of their ages is 34. How many people are there in the group?
Count = sum / average = 34 / 17 = 2

Question 3

The average age of a group is 27. The sum of their ages is 108. How many people are there in the group?
Count = sum / average = 108 / 27 = 4

Question 4

The average age of a group is 21. The sum of their ages is 105. How many people are there in the group?
Count = sum / average = 105 / 21 = 5

Question 5

The average age of a group is 21. The sum of their ages is 63. How many people are there in the group?
Count = sum / average = 63 / 21 = 3

Question 6

The average age of a group is 12. The sum of their ages is 36. How many people are there in the group?
Count = sum / average = 36 / 12 = 3

Question 7

The average age of a group is 26. The sum of their ages is 78. How many people are there in the group?
Count = sum / average = 78 / 26 = 3

Question 8

The average age of a group is 23. The sum of their ages is 69. How many people are there in the group?
Count = sum / average = 69 / 23 = 3

Question 9

The average age of a group is 14. The sum of their ages is 42. How many people are there in the group?
Count = sum / average = 42 / 14 = 3

Question 10

The average age of a group is 12. The sum of their ages is 60. How many people are there in the group?
Count = sum / average = 60 / 12 = 5

Question 11

The average age of a group is 27. The sum of their ages is 162. How many people are there in the group?
Count = sum / average = 162 / 27 = 6

Question 12

The average age of a group is 26. The sum of their ages is 104. How many people are there in the group?
Count = sum / average = 104 / 26 = 4

Question 13

The average age of a group is 13. The sum of their ages is 78. How many people are there in the group?
Count = sum / average = 78 / 13 = 6

Question 14

The average age of a group is 18. The sum of their ages is 36. How many people are there in the group?
Count = sum / average = 36 / 18 = 2

Question 15

The average age of a group is 22. The sum of their ages is 88. How many people are there in the group?
Count = sum / average = 88 / 22 = 4

Question 16

The average age of a group is 23. The sum of their ages is 115. How many people are there in the group?
Count = sum / average = 115 / 23 = 5

Question 17

The average age of a group is 17. The sum of their ages is 51. How many people are there in the group?
Count = sum / average = 51 / 17 = 3

Question 18

The average age of a group is 23. The sum of their ages is 46. How many people are there in the group?
Count = sum / average = 46 / 23 = 2

Question 19

The average age of a group is 22. The sum of their ages is 44. How many people are there in the group?
Count = sum / average = 44 / 22 = 2

Question 20

The average age of a group is 19. The sum of their ages is 76. How many people are there in the group?
Count = sum / average = 76 / 19 = 4
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