Blood RelationsMCQMTP May 19Question 2488 of 195
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A, Q, Y and Z are different persons. Z is the father of Q. A is the daughter of Y and Y is the son of Z. If P is the son of Y and B is the brother of P, then

Options

AB and Y are brothers
BA is sister of B
CZ is the uncle of B
DQ and Y are brothers
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Correct Answer

✅ Option b — A is sister of B

All Options:

  • AB and Y are brothers
  • BA is sister of B
  • CZ is the uncle of B
  • DQ and Y are brothers

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Detailed Solution & Explanation

Let's systematically construct the family relationships based on the given statements. Step 1: Analyze the first statement: "Z is the father of Q." This implies Z is male. Q is a child of Z, but Q's gender is not yet specified. Relationship: Z (Father) → Q (Child) Step 2: Analyze the second part of the statement: "Y is the son of Z." This implies Y is male. Combining with Step 1, Z is the father of both Q and Y. Therefore, Q and Y are siblings. Relationship: Z (Father) → Y (Son) Relationship: Z (Father) → Q (Child) From this, Y is male. Q's gender is still unknown. Step 3: Analyze the first part of the statement: "A is the daughter of Y." This implies A is female. Combining with Step 2, Y is the father of A. Relationship: Y (Father) → A (Daughter) From this, A is female. Step 4: Analyze the statement: "P is the son of Y." This implies P is male. Combining with Step 3, Y is the father of P. Relationship: Y (Father) → P (Son) From this, P is male. Step 5: Analyze the statement: "B is the brother of P." This implies B is male. Combining with Step 4, since P is the son of Y, and B is P's brother, B must also be the son

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 Syllabus

Exam Strategy Tip

This topic carries 5 Marks weightage. Focus on understanding core concepts rather than memorizing.

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