P is Q’s brother; S is Q’s daughter; T is S’s sister; R is Q’s mother. Statements: (1) R is S’s grandmother; (2) P is uncle to S and T; (3) R has only one son; (4) Q has only one daughter. Choose the correct option.
R is mother of S’s parent Q, so (1) holds. P is brother of their parent Q, so (2) holds under the intended sibling relationships. Number of R’s sons is unspecified, and Q has at least the two daughters S,T. **A**.
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