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Group Size Deduction - Intermediate Level: tricky scenarios handling Group Size Deduction INTERMEDIATE

This expert challenge 📈 worksheet focuses on Group Size Deduction - a key topic in Age Problems. You'll solve 20 intermediate-level problems (Worksheet 5 of 10). The primary focus is on tricky scenarios handling. Master how to solve group size deduction, group size deduction tricks, and group size deduction shortcut methods through systematic practice.

📝 Worksheet 5 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Intermediate level

What you'll learn in this worksheet:
Your progress through Group Size Deduction
Worksheet 5 of 10 (44% complete)

Question 1

The average age of a group is 21. The sum of their ages is 126. How many people are there in the group?
Count = sum / average = 126 / 21 = 6

Question 2

The average age of a group is 15. The sum of their ages is 60. How many people are there in the group?
Count = sum / average = 60 / 15 = 4

Question 3

The average age of a group is 14. The sum of their ages is 28. How many people are there in the group?
Count = sum / average = 28 / 14 = 2

Question 4

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 5

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 6

The average age of a group is 27. The sum of their ages is 81. How many people are there in the group?
Count = sum / average = 81 / 27 = 3

Question 7

The average age of a group is 25. The sum of their ages is 75. How many people are there in the group?
Count = sum / average = 75 / 25 = 3

Question 8

The average age of a group is 16. The sum of their ages is 64. How many people are there in the group?
Count = sum / average = 64 / 16 = 4

Question 9

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 10

The average age of a group is 26. The sum of their ages is 156. How many people are there in the group?
Count = sum / average = 156 / 26 = 6

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 15. The sum of their ages is 75. How many people are there in the group?
Count = sum / average = 75 / 15 = 5

Question 13

The average age of a group is 13. The sum of their ages is 65. How many people are there in the group?
Count = sum / average = 65 / 13 = 5

Question 14

The average age of a group is 25. The sum of their ages is 100. How many people are there in the group?
Count = sum / average = 100 / 25 = 4

Question 15

The average age of a group is 15. The sum of their ages is 30. How many people are there in the group?
Count = sum / average = 30 / 15 = 2

Question 16

The average age of a group is 12. The sum of their ages is 72. How many people are there in the group?
Count = sum / average = 72 / 12 = 6

Question 17

The average age of a group is 24. The sum of their ages is 48. How many people are there in the group?
Count = sum / average = 48 / 24 = 2

Question 18

The average age of a group is 24. The sum of their ages is 120. How many people are there in the group?
Count = sum / average = 120 / 24 = 5

Question 19

The average age of a group is 20. The sum of their ages is 40. How many people are there in the group?
Count = sum / average = 40 / 20 = 2

Question 20

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
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