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In a certain code language, A+B means 'A is the brother of B', AтИТB means 'A is the wife of B', A├ЧB means 'A is the father of B', and A├╖B means 'A is the sister of B'. How is P related to T if 'P├ЧQ├╖RтИТS├ЧT'?
Father's father
Mother's brother
Mother's father
Father's brother
Mother's father
Break down the expression symbol-by-symbol into generations: P is father of Q, Q is sister of R, R is wife of S, S is father of T.
Break down the expression symbol-by-symbol into generations: P is father of Q, Q is sister of R, R is wife of S, S is father of T.
Breakdown the expression
P x Q means P is father of Q. Q ├╖ R means Q is sister of R. R - S means R is wife of S. S x T means S is father of T.
Analyze family structure
P is father of (Q and R). Since R is wife of S, P is the father-in-law of S. Since S is the father of T, T is the child of R.
Conclusion
P is the father of R (T's mother), therefore P is the maternal grandfather of T.
A: Incorrect, P is the grandfather. B: Incorrect, that would be T's mother's brother (Q's brother). D: Incorrect, that is not the relationship.
C is correct because P is the father of R, and R is the mother of T, making P the maternal grandfather of T.
In blood relation questions with operators, always trace the generations first; identifying the gender of the connector usually eliminates half the options.
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