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A is the brother of B. C is the daughter of B. D is the sister of C. How is D related to A?
Daughter
Niece
Sister
Aunt
Niece
Identify the gender and generation gap: A is the sibling of the parent of D. Since D is female and the child of B, and A is B's brother, A is the uncle, making D the niece.
Identify the gender and generation gap: A is the sibling of the parent of D. Since D is female and the child of B, and A is B's brother, A is the uncle, making D the niece.
Establish the relationship between A and B
A is the brother of B. This means A and B are in the same generation, and A is male.
Establish the relationship between B and C/D
C is the daughter of B, and D is the sister of C. Therefore, D is also the daughter of B.
Determine the relationship between D and A
Since A is the brother of D's parent (B), A is the paternal or maternal uncle of D. Conversely, since D is the daughter of A's sibling, D is the niece of A.
A: Daughter is wrong because A is of the uncle generation. C: Sister is wrong because D is the daughter of A's sibling, not A's sibling. D: Aunt is wrong because D is female and belongs to the generation of the children, while A is the uncle.
B is correct because A is the brother of D's parent (B), which makes D the niece of A.
In blood relation questions, always draw the tree vertically to visualize generations; siblings go on a horizontal line, while parents and children are connected by vertical lines.