WCL Staff Nurse - 2022
Reasoning
Hard
If P is the brother of Q, Q is the sister of R, and R is the father of S. How S is related to P?
Appeared in: WCL Staff Nurse - 2022
Explanation
- The statements establish that P, Q, and R are siblings.
- R is the father of S, which makes P the paternal uncle of S.
- The question asks for the relationship of S to P.
- The gender of S is not specified in the problem.
- S could be either a nephew (if male) or a niece (if female).
- Because the gender is unknown, the exact relationship cannot be determined.
Why Other Options Were Wrong
- Option A: This is incorrect because P and S belong to different generations. P is S's uncle, not his brother.
- Option B: This is incorrect as P and S are in different generations. Also, P is established as male.
- Option C: This is a possible relationship, but it is not certain. S is P's nephew only if S is male. Since the gender of S is unknown, this cannot be the definitive answer.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning - Blood Relations as background academic context rather than a clinical decision trigger.
- This question tests logical deduction and attention to detail, which are crucial non-clinical skills for nurses.
- Nurses use logical reasoning to analyze patient information, connect symptoms to potential causes, and make sound clinical judgments.
- This skill helps in understanding complex family health histories and genetic predispositions.
How to Approach the Question
- First, carefully read each statement and identify the relationship and gender of each person mentioned.
- Draw a simple family tree or diagram to visualize the connections. Mark males with a '+' or square and females with a '-' or circle.
- Combine the statements: 'P is the brother of Q' and 'Q is the sister of R' means P, Q, and R are siblings.
- Add the next layer: 'R is the father of S' means S is in the generation below P, Q, and R.
- Determine the relationship from P's perspective to S (P is S's uncle) and then from S's perspective to P (S is P's nephew or niece).
- Check if the gender of S is provided. Since it is not, you cannot choose between 'Nephew' or 'Niece'.
Concept Tested & Keywords
- Concept Tested: Logical Reasoning - Blood Relations
- Stem keywords: P is the brother of Q, Q is the sister of R, R is the father of S
- Lead-in keywords: How S is related to P
Question ID
QUkcZFeXRH7dF_lKEaCrGy
Practise the full WCL Staff Nurse - 2022
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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