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A is the mother of B. B is the sister of C. C is the son of D. How is A related to D?
Wife
Husband
Sister
Mother
Wife
Visualize the family tree: A and D are parents of the same children (B and C), therefore they are husband and wife.
Visualize the family tree: A and D are parents of the same children (B and C), therefore they are husband and wife.
Establish parent-child relationships
A is the mother of B. Since B is the sister of C, A is also the mother of C. We now know that A is the mother of both B and C.
Incorporate the second parent
The problem states C is the son of D. Since A is the mother and D is the father of the same children (B and C), A and D must be partners.
Determine the relationship
As A is the mother and D is the father of the children, A is the wife of D.
B: Incorrect because D is the father, not the mother's partner in a way that makes A a husband. C: Incorrect because they are parents of the same children, not siblings. D: Incorrect because A is the mother of the children, not the mother of D.
A is correct because A is the mother and D is the father of the same children, establishing the husband-wife relationship.
In blood relations, always draw the gender symbols (usually + for male, - for female) and connect siblings with horizontal lines and spouses with double lines to avoid confusion.