In a family, there is a grandfather, father, mother, three sons and their wives, and each son has one son and two daughters. How many male members are there in this family?

1. A

   9

2. B

   8

3. C

   6

4. D

   10

Appeared in: JSSH Staff Nurse - 2019

Explanation

• The question requires a systematic count of all male members in a multi-generational family.
• The family includes a grandfather (1 male).
• It includes a father (1 male).
• There are three sons (3 males).
• Each of the three sons has one son, resulting in three grandsons (3 males).
• Summing these individuals gives the total: 1 (grandfather) + 1 (father) + 3 (sons) + 3 (grandsons) = 8 male members.

Why Other Options Were Wrong

• Option A: The count of 9 is incorrect. This likely results from a calculation error, such as miscounting the number of grandsons or double-counting one of the individuals.
• Option C: The count of 6 is too low. This number is derived by only counting the three sons and their three sons (3+3=6), incorrectly omitting the father and the grandfather from the total.
• Option D: The count of 10 is an overestimation. This error could occur by incorrectly including female members (like two of the wives) or by misinterpreting the number of sons or grandsons.

Related Visual

Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning - Family Tree Analysis as background academic context rather than a clinical decision trigger.
• While this is a logic puzzle, it relates to the nursing practice of creating genograms (family trees).
• Nurses use genograms to map family structures, relationships, and medical histories to identify patterns of hereditary health risks, such as heart disease, diabetes, cancer, or genetic disorders.
• A genogram provides a quick visual reference to complex family information, aiding in health risk assessment and patient education.

How to Approach the Question

• Read the question carefully to identify every family member or group mentioned.
• Create a list of all individuals and categorize them by generation and gender.
• Pay close attention to multipliers like 'three sons' and 'each son has one son' to calculate totals for each group.
• Systematically sum the number of individuals in the target category (in this case, males).
• Avoid common pitfalls like double-counting or omitting individuals from the count.
• Compare your final sum with the given options to find the correct answer.

Concept Tested & Keywords

• Concept Tested: Logical Reasoning - Family Tree Analysis
• Stem keywords: family, grandfather, father, sons, male members
• Lead-in keywords: How many
• Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.

Question ID

QuadnZcdDujzuskQqoaKFP

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