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Symbolic relations: Find who must be the father in the chain A # B $ C * D. Operator meanings (first symbol refers to the left person): A $ B ⇒ A is the brother of B A # B ⇒ A is the mother of B A * B ⇒ A is the daughter of B From “A # B $ C * D”, identify who is the father.

Difficulty: Medium

D
B
C
Data is inadequate

Correct Answer: D

Explanation:

Decode each link
A # B ⇒ A is mother of B. B $ C ⇒ B is brother of C (so B and C share parents). C * D ⇒ C is daughter of D (so D is a parent of C and hence of B).

Reasoning
Since A is the mother and D is the other parent of the same children (B and C), D must be the father.

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