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In a certain code language, 'A + B' means 'A is the mother of B', 'A - B' means 'A is the brother of B', 'A x B' means 'A is the wife of B' and 'A ├╖ B' means 'A is the father of B'. How is M related to T if 'M ├╖ N x P - S + T'?
Mother's brother's wife's brother
Mother's brother's wife's father
Mother's brother
Mother's father
Mother's brother's wife's father
Decode the expression from right to left or left to right step by step, replacing each symbol with its family relation: / means father, x means wife, - means brother, + means mother.
Decode the expression from right to left or left to right step by step, replacing each symbol with its family relation: / means father, x means wife, - means brother, + means mother.
Step 1: M ├╖ N
M ├╖ N means M is the father of N.
Step 2: N x P
N x P means N is the wife of P. This means P is the husband of N and son-in-law of M.
Step 3: P - S
P - S means P is the brother of S. Since P is married to N (daughter of M), S is also a sibling of P.
Step 4: S + T
S + T means S is the mother of T. Thus, T is the child of S. Since P is S's brother, S is the mother, making M (father of N and P) the father of S, hence M is the father of T's mother's uncle/parent group, specifically M is the maternal grandfather of T.
A: Mother's brother's wife's brother is incorrect. C: Mother's brother is incorrect. D: Mother's father refers to maternal grandfather, which matches our deduction.
B is correct because breaking down 'M ├╖ N x P - S + T' yields M as the father of N, N as wife of P, P as brother of S, and S as mother of T, which traces M as the maternal grandfather of T.
Always convert symbols to direct familial relationships from left to right while keeping track of gender and marriage bonds (=) vs parent-child bonds (vertical lines).
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