B is the brother of A, whose only sister is mother of C. D is maternal grandmother of C. How is A related to D?
Options
ADaughter
BSister-in-law
CSister
DNone of these
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Blood RelationsQuestion 3963 of 195
All Questions Correct Answer
✅ Option a — Daughter
All Options:
- ADaughter
- BSister-in-law
- CSister
- DNone of these
Detailed Solution & Explanation
Let us analyze the relationships step-by-step:
1. 'B is the brother of A, whose only sister is mother of C' means A's only sister is the mother of C. Since B is the brother of A, A and B are siblings. If A were male, A's only sister would be B's sister as well. If A is female, then A herself must be the only sister (and thus the mother of C).
2. 'D is the maternal grandmother of C' means D is the mother of C's mother.
3. Since C's mother is A's only sister (if A is male) or A herself (if A is female), C's mother is the daughter of D.
4. Since A is the sister of C's mother (or C's mother herself), A is female. Therefore, A is the daughter of D.
Hence, **Option A** is the correct answer.
About This Chapter: Blood Relations
Paper
Paper 3: Quantitative Aptitude
Weightage
5 Marks
Key Topics
Blood Relations
This chapter covers Blood Relations and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.
View Official ICAI SyllabusExam Strategy Tip
This topic carries 5 Marks weightage. Focus on understanding core concepts rather than memorizing.
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