- A. The Question can be answered by using one of the Statements alone, but cannot be answered using the other statement alone.
- B. The Question can be answered by using either Statement alone.
- C. The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
- D. The Question cannot be answered even using any of the Statements.
Answer: D
Explanation
Let’s use standard notation for blood relations: Male (+), Female (-), Siblings (=), Parents-Child (vertical line).
Question: How is Q related to P?
Statement I: P has two sisters, R and S.
This implies P, R(-), and S(-) are siblings. We know P is male or female, but R and S are female. We have no information about Q. So, Statement I alone is not sufficient.
Statement II: R’s father is the brother of Q.
Let R’s father be F. So, F(+) is the father of R. F is also the brother of Q. We know F is male. We don’t know Q’s gender. We have no information about P. So, Statement II alone is not sufficient.
Combining Statement I and Statement II:
From Statement I: P, R(-), S(-) are siblings. This means they share the same parents.
From Statement II: R’s father (F) is Q’s brother. Since F is R’s father, F is also P’s father.
So, F(+) is the father of P, R, and S. And F(+) is the brother of Q.
This means Q is the sibling of P’s father. Therefore, Q is either P’s paternal uncle (if Q is male) or P’s paternal aunt (if Q is female).
Since the gender of Q is not provided, we cannot determine a unique relationship between Q and P. Even combining both statements is not sufficient to answer the question definitively. This is a typical blood relations data sufficiency problem.