Consider the relationships among P, Q, R, S, and T: • P is the brother of Q. •…
2025
Consider the relationships among P, Q, R, S, and T:
• P is the brother of Q.
• S is the daughter of Q.
• T is the sister of S.
• R is the mother of Q.
The following statements are made based on the relationships given above.
(1) R is the grandmother of S.
(2) P is the uncle of S and T.
(3) R has only one son.
(4) Q has only one daughter.
Which one of the following options is correct?
- A.
Both (1) and (2) are true.
- B.
Both (1) and (3) are true.
- C.
Only (3) is true.
- D.
Only (4) is true.
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Correct answer: A
Given relationships:
P is the brother of Q.
S is the daughter of Q.
T is the sister of S (so T is also a child of Q and female).
R is the mother of Q.
Evaluate each statement:
R is the grandmother of S: True. R is the mother of Q and S is Q's daughter, so R is S's grandmother.
P is the uncle of S and T: True. P is the brother of Q, and S and T are Q's children, so P is their uncle.
R has only one son: Cannot be concluded / False as a necessary statement. The given facts do not state how many sons or children R has, so you cannot assert that R has only one son.
Q has only one daughter: False. The information names two daughters of Q (S and T), so Q has at least two daughters.
Correct answer: Both (1) and (2) are true.
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