Data sufficiency - family tree relationship
Question
Consider the following including the Question and the Statements: There are 5 members A, B, C, D, E in a family. Question: What is the relation of E to B? Statement-1: A and B are a married couple. Statement-2: D is the father of C. Statement-3: E is D's son. Statement-4: A and C are sisters.
Options
Statement-1, Statement-2 and Statement-3 are sufficient to answer the Question.
Statement-1, Statement-3 and Statement-4 are sufficient to answer the Question.
All four statements together are sufficient to answer the Question.
All four statements are not sufficient to answer the Question.
Explanation
Map out the family branches by evaluating the statements collectively:
Now answer the target query: "What is the relation of E to B?" Since E is the brother of B's wife (A), E is definitively the brother-in-law of B. Isolating this exact kinship connection required leveraging data points from all 4 statements simultaneously.
Answer: (c).
Question details
Year
2023
Paper
CSAT
Question
Q39
Section
Data Interpretation & Sufficiency
Sub-topic
Data Sufficiency
Type
Data sufficiency
Difficulty
Medium
Source hint
Data sufficiency
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