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Data Sufficiency - Expert Level: conceptual clarity Data Sufficiency EXPERT

This skill evaluation ⚡ worksheet focuses on Data Sufficiency - a key topic in Family Tree. You'll solve 20 expert-level problems (Worksheet 9 of 10). The primary focus is on conceptual clarity. Master data sufficiency ssc cgl, data sufficiency reasoning tricks, and fast data sufficiency solving through systematic practice.

📝 Worksheet 9 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Data Sufficiency
Worksheet 9 of 10 (88% complete)

Question 1

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

Question 2

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

Question 3

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

Question 4

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

Question 5

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

Question 6

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

Question 7

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

Question 8

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

Question 9

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

Question 10

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

Question 11

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

Question 12

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

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

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

Question 19

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

Question 20

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