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Data Sufficiency: Worksheet 2 - Beginner Practice Data Sufficiency BEGINNER

Ready to master Data Sufficiency? This entry level practice worksheet (2/10) presents 20 beginner-level challenges. Focus area: pattern recognition. Learn to solve data sufficiency reasoning questions, handle data sufficiency practice, and perfect data sufficiency for competitive exams with our step-by-step solutions.

📝 Worksheet 2 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner level

What you'll learn in this worksheet:
Your progress through Data Sufficiency
Worksheet 2 of 10 (11% complete)

Question 1

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

Question 2

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

Question 3

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

Question 4

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

Question 5

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

Question 6

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

Question 7

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

Question 8

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

Question 9

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

Question 10

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

Question 11

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

Question 12

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

Question 13

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

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

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

Question 19

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

Question 20

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