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Data Sufficiency - Intermediate Level: tricky scenarios handling Data Sufficiency INTERMEDIATE

This expert challenge 📈 worksheet focuses on Data Sufficiency - a key topic in Family Tree. You'll solve 20 intermediate-level problems (Worksheet 5 of 10). The primary focus is on tricky scenarios handling. Master how to solve data sufficiency, data sufficiency tricks, and data sufficiency 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 Data Sufficiency
Worksheet 5 of 10 (44% complete)

Question 1

Is Isabella a sibling of Noah? (1) Isabella is child of Pierre. (2) Noah is child of Pierre.
Together they confirm Isabella and Noah share parent Pierre, making them siblings. Neither statement alone is sufficient because each only gives info about one person.

Question 2

Is Kwame the brother of Lucas? (1) Kwame is male and child of Manish. (2) Lucas is child of Manish.
Statement 1 tells us Kwame is male and child of Manish. Statement 2 tells us Lucas is child of Manish. Together they confirm Kwame and Lucas share parent Manish and Kwame is male, so Kwame is the brother of Lucas.

Question 3

Is Logan the brother of Noah? (1) Logan is male and child of Omar. (2) Noah is child of Omar.
Statement 1 tells us Logan is male and child of Omar. Statement 2 tells us Noah is child of Omar. Together they confirm Logan and Noah share parent Omar and Logan is male, so Logan is the brother of Noah.

Question 4

Is Meera the sister of Karan? (1) Meera is female and child of Arjun. (2) Karan is child of Arjun.
Statement 1 tells us Meera is female and child of Arjun. Statement 2 tells us Karan is child of Arjun. Together they confirm Meera and Karan share parent Arjun and Meera is female, so Meera is the sister of Karan.

Question 5

Is Evelyn a sibling of Giulia? (1) Evelyn is child of Omar. (2) Giulia is child of Omar.
Together they confirm Evelyn and Giulia share parent Omar, making them siblings. Neither statement alone is sufficient because each only gives info about one person.

Question 6

Is Deepa a sibling of Ivan? (1) Deepa is child of Omar. (2) Ivan is child of Omar.
Together they confirm Deepa and Ivan share parent Omar, making them siblings. Neither statement alone is sufficient because each only gives info about one person.

Question 7

Is Liam the brother of Deepa? (1) Liam is male and child of Logan. (2) Deepa is child of Logan.
Statement 1 tells us Liam is male and child of Logan. Statement 2 tells us Deepa is child of Logan. Together they confirm Liam and Deepa share parent Logan and Liam is male, so Liam is the brother of Deepa.

Question 8

Is Asha the sister of Mia? (1) Asha is female and child of Noah. (2) Mia is child of Noah.
Statement 1 tells us Asha is female and child of Noah. Statement 2 tells us Mia is child of Noah. Together they confirm Asha and Mia share parent Noah and Asha is female, so Asha is the sister of Mia.

Question 9

Is Dev the brother of Giulia? (1) Dev is male and child of Manish. (2) Giulia is child of Manish.
Statement 1 tells us Dev is male and child of Manish. Statement 2 tells us Giulia is child of Manish. Together they confirm Dev and Giulia share parent Manish and Dev is male, so Dev is the brother of Giulia.

Question 10

Is Chloe the sister of Aarav? (1) Chloe is female and child of Logan. (2) Aarav is child of Logan.
Statement 1 tells us Chloe is female and child of Logan. Statement 2 tells us Aarav is child of Logan. Together they confirm Chloe and Aarav share parent Logan and Chloe is female, so Chloe is the sister of Aarav.

Question 11

Is Lucas the brother of Mei? (1) Lucas is male and child of Harper. (2) Mei is child of Harper.
Statement 1 tells us Lucas is male and child of Harper. Statement 2 tells us Mei is child of Harper. Together they confirm Lucas and Mei share parent Harper and Lucas is male, so Lucas is the brother of Mei.

Question 12

Is John the brother of Chen? (1) John is male and child of Deepa. (2) Chen is child of Deepa.
Statement 1 tells us John is male and child of Deepa. Statement 2 tells us Chen is child of Deepa. Together they confirm John and Chen share parent Deepa and John is male, so John is the brother of Chen.

Question 13

Is Linda a sibling of Zara? (1) Linda is child of Rohit. (2) Zara is child of Rohit.
Together they confirm Linda and Zara share parent Rohit, making them siblings. Neither statement alone is sufficient because each only gives info about one person.

Question 14

Is Marie the sister of Sophia? (1) Marie is female and child of Mateo. (2) Sophia is child of Mateo.
Statement 1 tells us Marie is female and child of Mateo. Statement 2 tells us Sophia is child of Mateo. Together they confirm Marie and Sophia share parent Mateo and Marie is female, so Marie is the sister of Sophia.

Question 15

Is Yuki the sister of Ethan? (1) Yuki is female and child of Marie. (2) Ethan is child of Marie.
Statement 1 tells us Yuki is female and child of Marie. Statement 2 tells us Ethan is child of Marie. Together they confirm Yuki and Ethan share parent Marie and Yuki is female, so Yuki is the sister of Ethan.

Question 16

Is Grace the sister of David? (1) Grace is female and child of Evelyn. (2) David is child of Evelyn.
Statement 1 tells us Grace is female and child of Evelyn. Statement 2 tells us David is child of Evelyn. Together they confirm Grace and David share parent Evelyn and Grace is female, so Grace is the sister of David.

Question 17

Is Kavya the sister of Raj? (1) Kavya is female and child of Wei. (2) Raj is child of Wei.
Statement 1 tells us Kavya is female and child of Wei. Statement 2 tells us Raj is child of Wei. Together they confirm Kavya and Raj share parent Wei and Kavya is female, so Kavya is the sister of Raj.

Question 18

Is Dev a sibling of Meera? (1) Dev is child of Sophia. (2) Meera is child of Sophia.
Together they confirm Dev and Meera share parent Sophia, making them siblings. Neither statement alone is sufficient because each only gives info about one person.

Question 19

Is Meera the sister of James? (1) Meera is female and child of Harper. (2) James is child of Harper.
Statement 1 tells us Meera is female and child of Harper. Statement 2 tells us James is child of Harper. Together they confirm Meera and James share parent Harper and Meera is female, so Meera is the sister of James.

Question 20

Is Mei the sister of Aarav? (1) Mei is female and child of John. (2) Aarav is child of John.
Statement 1 tells us Mei is female and child of John. Statement 2 tells us Aarav is child of John. Together they confirm Mei and Aarav share parent John and Mei is female, so Mei is the sister of Aarav.
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