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Group Size Deduction - Absolute-Beginner Level: core concept mastery Group Size Deduction ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Group Size Deduction - a key topic in Age Problems. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master group size deduction problems, group size deduction reasoning questions, and group size deduction practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Group Size Deduction
Worksheet 1 of 10 (0% complete)

Question 1

The average age of a group is 14. The sum of their ages is 84. How many people are there in the group?
Count = sum / average = 84 / 14 = 6

Question 2

The average age of a group is 19. The sum of their ages is 38. How many people are there in the group?
Count = sum / average = 38 / 19 = 2

Question 3

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 4

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

Question 5

The average age of a group is 23. The sum of their ages is 92. How many people are there in the group?
Count = sum / average = 92 / 23 = 4

Question 6

The average age of a group is 26. The sum of their ages is 52. How many people are there in the group?
Count = sum / average = 52 / 26 = 2

Question 7

The average age of a group is 13. The sum of their ages is 52. How many people are there in the group?
Count = sum / average = 52 / 13 = 4

Question 8

The average age of a group is 13. The sum of their ages is 26. How many people are there in the group?
Count = sum / average = 26 / 13 = 2

Question 9

The average age of a group is 13. The sum of their ages is 52. How many people are there in the group?
Count = sum / average = 52 / 13 = 4

Question 10

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 11

The average age of a group is 25. The sum of their ages is 125. How many people are there in the group?
Count = sum / average = 125 / 25 = 5

Question 12

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 13

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 14

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 15

The average age of a group is 20. The sum of their ages is 60. How many people are there in the group?
Count = sum / average = 60 / 20 = 3

Question 16

The average age of a group is 20. The sum of their ages is 60. How many people are there in the group?
Count = sum / average = 60 / 20 = 3

Question 17

The average age of a group is 16. The sum of their ages is 48. How many people are there in the group?
Count = sum / average = 48 / 16 = 3

Question 18

The average age of a group is 26. The sum of their ages is 52. How many people are there in the group?
Count = sum / average = 52 / 26 = 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 25. The sum of their ages is 125. How many people are there in the group?
Count = sum / average = 125 / 25 = 5
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