It is given that "A is the mother of B; B is the sister of C; C is the father of D". How is A related to D?
Options
AMother
BGrandmother
CAunt
DSister
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Blood RelationsMCQPYQ Dec. 21Question 2456 of 195
All Questions Correct Answer
✅ Option b — Grandmother
All Options:
- AMother
- BGrandmother
- CAunt
- DSister
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Detailed Solution & Explanation
To determine the relationship between A and D, we systematically analyze the given statements and construct the family tree.
Step 1: Analyze the first statement: "A is the mother of B".
This implies that A is female. B is the child of A.
We can represent this as:
A (Female)
|
B
Step 2: Analyze the second statement: "B is the sister of C".
This implies that B is female. B and C are siblings.
Since A is the mother of B, and B is the sister of C, it follows that A is also the mother of C.
Combining with Step 1, we have:
A (Female)
|
B (Female) --- C (Gender unknown from this statement)
Step 3: Analyze the third statement: "C is the father of D".
This implies that C is male. D is the child of C.
Combining with Step 2, we now have the full family structure:
A (Female)
|
B (Female) --- C (Male)
|
D
Step 4: Determine the relationship between A and D.
From the combined family structure:
C is the father of D.
A is the mother of C.
Therefore, A is the mother of D's father.
The mother of one's father is known as the paternal grandmother.
Conclusion: A is the grandmother of D.
Comparing this with the given options:
(A) Mother - Incorrect.
(B) Grandmother - Correct.
(C) Aunt - Incorrect.
(D) Sister - Incorrect.
Hence, **Option B** 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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