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Eldest-Youngest - Intermediate Level: tricky scenarios handling Eldest-Youngest INTERMEDIATE

This expert challenge 📈 worksheet focuses on Eldest-Youngest - a key topic in Age Based Puzzles. You'll solve 20 intermediate-level problems (Worksheet 5 of 10). The primary focus is on tricky scenarios handling. Master how to solve eldest-youngest, eldest-youngest tricks, and eldest-youngest 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 Eldest-Youngest
Worksheet 5 of 10 (44% complete)

Question 1

In a family of four: Milo, Lisa, Manan, Prerna. The youngest is 7 and the eldest is 14. The other two members are 9 and 10. What is the average age of the family?
Sum of all ages = 7 + 9 + 10 + 14 = 40
Average = 40 ÷ 4 = 10

Question 2

In a family of four: Sonam, Hari, Siddharth, Tatiana. The youngest is 5 and the eldest is 15. The other two members are 10 and 14. What is the average age of the family?
Sum of all ages = 5 + 10 + 14 + 15 = 44
Average = 44 ÷ 4 = 11

Question 3

In a family of four: Ojas, Varun, Pranav, Girish. The youngest is 6 and the eldest is 12. The other two members are 8 and 10. What is the average age of the family?
Sum of all ages = 6 + 8 + 10 + 12 = 36
Average = 36 ÷ 4 = 9

Question 4

In a family of four: Bjorn, Gianna, Sasha, Shalini. The youngest is 12 and the eldest is 36. The other two members are 15 and 25. What is the average age of the family?
Sum of all ages = 12 + 15 + 25 + 36 = 88
Average = 88 ÷ 4 = 22

Question 5

In a family of four: Gianna, Sarvesh, Karuna, Ritika. The youngest is 11 and the eldest is 22. The other two members are 14 and 21. What is the average age of the family?
Sum of all ages = 11 + 14 + 21 + 22 = 68
Average = 68 ÷ 4 = 17

Question 6

In a family of four: Tanmay, Genesis, Sasha, Dante. The youngest is 6 and the eldest is 18. The other two members are 10 and 14. What is the average age of the family?
Sum of all ages = 6 + 10 + 14 + 18 = 48
Average = 48 ÷ 4 = 12

Question 7

In a family of four: Kinsley, Grace, Archana, Neelam. The youngest is 9 and the eldest is 27. The other two members are 16 and 24. What is the average age of the family?
Sum of all ages = 9 + 16 + 24 + 27 = 76
Average = 76 ÷ 4 = 19

Question 8

In a family of four: Rachit, Tapsi, Piper, Lily. The youngest is 10 and the eldest is 20. The other two members are 12 and 14. What is the average age of the family?
Sum of all ages = 10 + 12 + 14 + 20 = 56
Average = 56 ÷ 4 = 14

Question 9

In a family of four: Parker, Mahak, Bentley, Ravi. The youngest is 12 and the eldest is 24. The other two members are 21 and 23. What is the average age of the family?
Sum of all ages = 12 + 21 + 23 + 24 = 80
Average = 80 ÷ 4 = 20

Question 10

In a family of four: Theo, Mamta, Komal, Suraj. The youngest is 12 and the eldest is 36. The other two members are 26 and 30. What is the average age of the family?
Sum of all ages = 12 + 26 + 30 + 36 = 104
Average = 104 ÷ 4 = 26

Question 11

In a family of four: Arjun, Jackson, Kishore, Arun. The youngest is 5 and the eldest is 15. The other two members are 7 and 13. What is the average age of the family?
Sum of all ages = 5 + 7 + 13 + 15 = 40
Average = 40 ÷ 4 = 10

Question 12

In a family of four: Vedika, Theo, Navin, Simran. The youngest is 11 and the eldest is 22. The other two members are 15 and 16. What is the average age of the family?
Sum of all ages = 11 + 15 + 16 + 22 = 64
Average = 64 ÷ 4 = 16

Question 13

In a family of four: Natalie, Naomi, Geeta, Madhav. The youngest is 6 and the eldest is 18. The other two members are 12 and 16. What is the average age of the family?
Sum of all ages = 6 + 12 + 16 + 18 = 52
Average = 52 ÷ 4 = 13

Question 14

In a family of four: Bhavna, Kamini, Hari, Skylar. The youngest is 8 and the eldest is 24. The other two members are 14 and 18. What is the average age of the family?
Sum of all ages = 8 + 14 + 18 + 24 = 64
Average = 64 ÷ 4 = 16

Question 15

In a family of four: Rishi, Hudson, Christian, Akash. The youngest is 7 and the eldest is 21. The other two members are 12 and 20. What is the average age of the family?
Sum of all ages = 7 + 12 + 20 + 21 = 60
Average = 60 ÷ 4 = 15

Question 16

In a family of four: Neelam, Brandon, Bella, Freya. The youngest is 12 and the eldest is 36. The other two members are 15 and 21. What is the average age of the family?
Sum of all ages = 12 + 15 + 21 + 36 = 84
Average = 84 ÷ 4 = 21

Question 17

In a family of four: Scarlett, Lucy, Isla, Savita. The youngest is 7 and the eldest is 21. The other two members are 16 and 20. What is the average age of the family?
Sum of all ages = 7 + 16 + 20 + 21 = 64
Average = 64 ÷ 4 = 16

Question 18

In a family of four: Deepa, Kalpana, Damian, Jaya. The youngest is 7 and the eldest is 14. The other two members are 11 and 12. What is the average age of the family?
Sum of all ages = 7 + 11 + 12 + 14 = 44
Average = 44 ÷ 4 = 11

Question 19

In a family of four: Christian, Anjali, Nirmala, Vishal. The youngest is 7 and the eldest is 21. The other two members are 16 and 20. What is the average age of the family?
Sum of all ages = 7 + 16 + 20 + 21 = 64
Average = 64 ÷ 4 = 16

Question 20

In a family of four: Payal, Priyanka, Madhu, Ved. The youngest is 6 and the eldest is 12. The other two members are 8 and 10. What is the average age of the family?
Sum of all ages = 6 + 8 + 10 + 12 = 36
Average = 36 ÷ 4 = 9
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