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Eldest-Youngest: Worksheet 10 - Expert Practice Eldest-Youngest EXPERT

Ready to master Eldest-Youngest? This accuracy focus 👑 worksheet (10/10) presents 20 expert-level challenges. Focus area: application-based learning. Learn to solve eldest-youngest reasoning tricks, handle fast eldest-youngest solving, and perfect eldest-youngest mastery with our step-by-step solutions.

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

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Worksheet 10 of 10 (100% complete)

Question 1

In a family of four: Damian, Ranveer, Addison, Ashish. 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 2

In a family of four: Shanti, Kritika, Lucia, Indira. The youngest is 5 and the eldest is 15. The other two members are 9 and 11. What is the average age of the family?
Sum of all ages = 5 + 9 + 11 + 15 = 40
Average = 40 ÷ 4 = 10

Question 3

In a family of four: Anup, Harsh, Bella, Sushma. The youngest is 10 and the eldest is 20. The other two members are 14 and 16. What is the average age of the family?
Sum of all ages = 10 + 14 + 16 + 20 = 60
Average = 60 ÷ 4 = 15

Question 4

In a family of four: Vidhi, Caleb, Sanjit, Nicholas. The youngest is 5 and the eldest is 15. The other two members are 11 and 13. What is the average age of the family?
Sum of all ages = 5 + 11 + 13 + 15 = 44
Average = 44 ÷ 4 = 11

Question 5

In a family of four: Sheetal, Arianna, Amit, Ivan. The youngest is 6 and the eldest is 18. The other two members are 11 and 17. What is the average age of the family?
Sum of all ages = 6 + 11 + 17 + 18 = 52
Average = 52 ÷ 4 = 13

Question 6

In a family of four: Lily, Kavita, Matteo, Chloe. The youngest is 11 and the eldest is 22. The other two members are 16 and 19. What is the average age of the family?
Sum of all ages = 11 + 16 + 19 + 22 = 68
Average = 68 ÷ 4 = 17

Question 7

In a family of four: Arianna, Sophie, Josephine, Miles. The youngest is 8 and the eldest is 24. The other two members are 13 and 23. What is the average age of the family?
Sum of all ages = 8 + 13 + 23 + 24 = 68
Average = 68 ÷ 4 = 17

Question 8

In a family of four: Arianna, Willow, Aditi, Soren. The youngest is 9 and the eldest is 18. The other two members are 13 and 16. What is the average age of the family?
Sum of all ages = 9 + 13 + 16 + 18 = 56
Average = 56 ÷ 4 = 14

Question 9

In a family of four: Sakshi, Cora, Samantha, Mukesh. The youngest is 9 and the eldest is 18. The other two members are 11 and 14. What is the average age of the family?
Sum of all ages = 9 + 11 + 14 + 18 = 52
Average = 52 ÷ 4 = 13

Question 10

In a family of four: Madelyn, Renu, Alexander, Vatsal. The youngest is 9 and the eldest is 27. The other two members are 13 and 19. What is the average age of the family?
Sum of all ages = 9 + 13 + 19 + 27 = 68
Average = 68 ÷ 4 = 17

Question 11

In a family of four: Gautam, Louis, Komal, Felix. The youngest is 8 and the eldest is 16. The other two members are 11 and 13. What is the average age of the family?
Sum of all ages = 8 + 11 + 13 + 16 = 48
Average = 48 ÷ 4 = 12

Question 12

In a family of four: Nova, Austin, Shobhit, Rishi. The youngest is 11 and the eldest is 22. The other two members are 19 and 20. What is the average age of the family?
Sum of all ages = 11 + 19 + 20 + 22 = 72
Average = 72 ÷ 4 = 18

Question 13

In a family of four: Manmohan, Gianna, Harish, Ishan. The youngest is 12 and the eldest is 24. The other two members are 17 and 19. What is the average age of the family?
Sum of all ages = 12 + 17 + 19 + 24 = 72
Average = 72 ÷ 4 = 18

Question 14

In a family of four: Revathi, Amara, Charles, Devanshi. The youngest is 10 and the eldest is 30. The other two members are 17 and 23. What is the average age of the family?
Sum of all ages = 10 + 17 + 23 + 30 = 80
Average = 80 ÷ 4 = 20

Question 15

In a family of four: Kumud, Shruti, Tucker, Sourav. 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 16

In a family of four: Joseph, Deepa, Lokesh, Hudson. The youngest is 12 and the eldest is 36. The other two members are 14 and 22. What is the average age of the family?
Sum of all ages = 12 + 14 + 22 + 36 = 84
Average = 84 ÷ 4 = 21

Question 17

In a family of four: Miles, Shobhit, Dhruv, Naresh. The youngest is 12 and the eldest is 36. The other two members are 33 and 35. What is the average age of the family?
Sum of all ages = 12 + 33 + 35 + 36 = 116
Average = 116 ÷ 4 = 29

Question 18

In a family of four: Tapsi, Colton, Rajat, Namrata. The youngest is 11 and the eldest is 22. The other two members are 18 and 21. What is the average age of the family?
Sum of all ages = 11 + 18 + 21 + 22 = 72
Average = 72 ÷ 4 = 18

Question 19

In a family of four: Abhay, Harper, Hardik, Benjamin. The youngest is 12 and the eldest is 24. The other two members are 15 and 17. What is the average age of the family?
Sum of all ages = 12 + 15 + 17 + 24 = 68
Average = 68 ÷ 4 = 17

Question 20

In a family of four: Jaya, Hana, Brooklyn, Bennett. 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
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