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Blood relations with symbolic operators: Find the expression meaning “T is the daughter of P.” Operator meanings: A + B ⇒ A is the sister of B A x B ⇒ A is the wife of B A % B ⇒ A is the father of B A - B ⇒ A is the brother of B Choose the correct expression that guarantees T is P's daughter.

Difficulty: Medium

P x Q % R + S - T
P x Q % R - T + S
P x Q % R + T - S
P x Q % R + S + T

Correct Answer: P x Q % R - T + S

Explanation:

Decode option (b) step by step
P x Q ⇒ P is wife of Q. Q % R ⇒ Q is father of R (so P & Q are parents of R). R - T ⇒ R is brother of T ⇒ T is sibling of R (child of P & Q). T + S ⇒ T is sister of S ⇒ T is female.

Conclusion
T is a daughter of P. Other options fail to enforce both parentage and female gender consistently.

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