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S is the daughter of E. E is the wife of L. N is the mother of K. N is the sister of L. How is S related to K?
Mother's brother's wife
Brother's wife
Mother's brother's daughter
Brother's daughter
Mother's brother's daughter
Visualize the family tree: N and L are siblings, L is married to E, and S is the child of L/E, while K is the child of N. Therefore, S and K are first cousins.
Visualize the family tree: N and L are siblings, L is married to E, and S is the child of L/E, while K is the child of N. Therefore, S and K are first cousins.
Establish the parental generation
N and L are siblings. L is married to E (E is female). S is the daughter of E and L.
Define the relationship
Since S is the child of L and N is the sister of L, N is the paternal aunt of S. K is the child of N. Therefore, S and K are children of siblings, making them cousins.
Identify the relation of S to K
S is the child of N's brother (L), which makes S the daughter of K's mother's brother.
A: Mother's brother's wife is an aunt by marriage, not a cousin. B: Brother's wife is a sister-in-law. D: Brother's daughter is a niece.
C is correct because S is the daughter of L, and L is the brother of K's mother (N), making S the daughter of K's mother's brother.
In blood relation questions, always draw the gender (e.g., + for male, - for female) and denote the sibling generation horizontal and parent-child vertical to avoid confusion.