D is daughter of E. A is son of D. C is a brother of A and B is the sister of A. F is the brother of D. How F is related to B?
Options
AFather-in-law
BUncle
CBrother
DMother-in-law
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Blood RelationsMCQPYQ Dec. 21Question 2455 of 195
All Questions Correct Answer
✅ Option b — Uncle
All Options:
- AFather-in-law
- BUncle
- CBrother
- DMother-in-law
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Detailed Solution & Explanation
We systematically construct the family relationships based on the given statements.
1. "D is daughter of E."
This implies E is the parent of D, and D is female. E (Parent)
|
D (Female) 2. "A is son of D."
This means D is the mother of A, and A is male. E (Parent)
|
D (Female)
|
A (Male) 3. "C is a brother of A"
This indicates A and C are siblings, and C is male. Since D is the mother of A, D is also the mother of C. E (Parent)
|
D (Female)
|
A (Male) --- C (Male) (Siblings) 4. "and B is the sister of A."
This means A, C, and B are siblings, and B is female. D is the mother of B as well. E (Parent)
|
D (Female)
|
A (Male) --- C (Male) --- B (Female) (Siblings) 5. "F is the brother of D."
This establishes that D and F are siblings, and F is male. E is also the parent of F. E (Parent)
|
D (Female) --- F (Male) (Siblings)
|
A (Male) --- C (Male) --- B (Female) (Siblings) Now, we need to determine how F is related to B. From step 5, F is the brother of D. From step 4, D is the mother of B. Therefore, F is the brother of B's mother. The brother of one's mother is known as an Uncle. Hence, F is the Uncle of B. Comparing this with the given options: (A) Father-in-law - Incorrect. (B) Uncle - Correct. (C) Brother - Incorrect. (D) Mother-in-law - Incorrect. Therefore, the correct choice is **Option B**.
This implies E is the parent of D, and D is female. E (Parent)
|
D (Female) 2. "A is son of D."
This means D is the mother of A, and A is male. E (Parent)
|
D (Female)
|
A (Male) 3. "C is a brother of A"
This indicates A and C are siblings, and C is male. Since D is the mother of A, D is also the mother of C. E (Parent)
|
D (Female)
|
A (Male) --- C (Male) (Siblings) 4. "and B is the sister of A."
This means A, C, and B are siblings, and B is female. D is the mother of B as well. E (Parent)
|
D (Female)
|
A (Male) --- C (Male) --- B (Female) (Siblings) 5. "F is the brother of D."
This establishes that D and F are siblings, and F is male. E is also the parent of F. E (Parent)
|
D (Female) --- F (Male) (Siblings)
|
A (Male) --- C (Male) --- B (Female) (Siblings) Now, we need to determine how F is related to B. From step 5, F is the brother of D. From step 4, D is the mother of B. Therefore, F is the brother of B's mother. The brother of one's mother is known as an Uncle. Hence, F is the Uncle of B. Comparing this with the given options: (A) Father-in-law - Incorrect. (B) Uncle - Correct. (C) Brother - Incorrect. (D) Mother-in-law - Incorrect. Therefore, the correct choice is **Option B**.
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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