CA Foundation · Quantitative Aptitude · Blood Relations
In a family of six members A, B, C, D, E and F, A and B are a married couple and A is the male. C is the son of A. D is the sister of C. E is the brother of B. F is the child of E. How many members of the family are definitely males?
Exactly 3 members are definitely male: A, C and E. A is given as male, C is A's son and E is B's brother. B and D are female, and F's gender cannot be determined from the data.
- A2
- B3Correct
- C4
- D1
Explanation
A is male as given. C is the son of A, so C is male. E is the brother of B, so E is male. B is female, being the wife of A, and D is female as a sister. F is a child of E and the gender of F is not stated. So the definite males are A, C and E, which makes 3.
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