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In a certain code language, A + B means ‘A is the sister of B’ A – B means ‘A is the brother of B’ A x B means ‘A is the wife of B’ A ÷ B means ‘A is the father of B’ Based on the above, how is T related to K if ‘T ÷ G – D + M x K’?
Brother
Father
Wife's father
Wife's brother
Wife's father
Break the expression into individual segments and draw the family tree from left to right; focus on gender signs and generation gaps to eliminate options quickly.
Break the expression into individual segments and draw the family tree from left to right; focus on gender signs and generation gaps to eliminate options quickly.
Analyze the expression T ÷ G - D + M x K
T ÷ G: T is the father of G. G - D: G is the brother of D (since G is son of T). D + M: D is the sister of M. M x K: M is the wife of K.
Mapping relationships
From the steps: T is the father of G, D, and M. Since M is the wife of K, K is the son-in-law of T. Therefore, T is the father-in-law (or wife's father) of K.
A: Brother is incorrect as T is the parent generation, not sibling. B: Father is incorrect because T is the father of M, not K. D: Wife's brother is incorrect because T is the parent, not the sibling of M's wife/partner.
C is correct because T is the father of M, and M is the wife of K, making T the father-in-law (Wife's father) of K.
In blood relation coding questions, always determine the gender of the subject first to eliminate gender-mismatched options immediately.
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