SSC CGL Preparation – Day 2

📝 Blood Relations – 10 Practice MCQs with Detailed Solutions

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Q1. Pointing to a boy, Sita said, “He is the only son of my mother’s daughter.”
How is the boy related to Sita?

A) Brother
B) Nephew
C) Son
D) Cousin

✅ Answer: C) Son
🔹 Solution:

• Mother’s daughter = Sita herself (if not otherwise stated).
• So the boy is Sita’s son.

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Q2. If A is the father of B but B is not the son of A, how is B related to A?

A) Daughter
B) Wife
C) Sister
D) Brother

✅ Answer: A) Daughter
🔹 Solution:

• If B is not the son, then B must be the daughter.

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Q3. A’s father is B’s son. C is the father of A. How is B related to C?

A) Son
B) Grandfather
C) Father-in-law
D) Father

✅ Answer: B) Grandfather
🔹 Solution:

• B’s son is A’s father.
• C is A’s father → So B is C’s father → Grandfather of A.

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Q4. Introducing a man to her husband, a woman said, “His brother’s father is the only son of my grandfather.”
How is the woman related to the man?

A) Aunt
B) Sister
C) Cousin
D) Daughter

✅ Answer: B) Sister
🔹 Solution:

• Only son of grandfather = woman’s father.
• His brother’s father = man’s father = woman’s father.
  → They are siblings → She is his sister.

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Q5. If P + Q means P is the father of Q, P – Q means P is the mother of Q, P × Q means P is the brother of Q, what does A – B + C mean?

A) A is the mother of C
B) A is the mother of B and B is the father of C
C) A is the father of C
D) A is the sister of C

✅ Answer: B) A is the mother of B and B is the father of C
🔹 Solution:

• A – B → A is the mother of B.
• B + C → B is the father of C.

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Q6. Pointing to a photograph, a woman says, “This man’s son is my son’s uncle.”
How is the woman related to the man in the photograph?

A) Daughter
B) Wife
C) Sister
D) Mother

✅ Answer: B) Wife
🔹 Solution:

• Son’s uncle = Woman’s husband’s brother.
• The man’s son is her husband’s brother → The woman is the man’s wife.

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Q7. A is the father of B. C is the sister of A. D is the mother of C.
How is D related to B?

A) Grandmother
B) Mother
C) Aunt
D) Sister

✅ Answer: A) Grandmother
🔹 Solution:

• D → Mother of C and A.
• A → Father of B.
  → Hence, D is grandmother of B.

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Q8. If ‘A @ B’ means A is the father of B, ‘A $ B’ means A is the sister of B, and ‘A * B’ means A is the mother of B, then which of the following represents “P is the maternal uncle of Q”?

A) P @ R $ Q
B) P $ R * Q
C) P * R @ Q
D) P $ R @ Q

✅ Answer: D) P $ R @ Q
🔹 Solution:

• P $ R → P is sister of R (hence could be maternal uncle/aunt if P is male).
• R @ Q → R is father of Q.
  → Thus, P is the maternal uncle/aunt of Q.
  (Note: Typically, they will specify gender in actual exams.)

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Q9. If Rahul says, “My father’s only son is the father of Ajay,” how is Ajay related to Rahul?

A) Brother
B) Nephew
C) Son
D) Father

✅ Answer: C) Son
🔹 Solution:

• Rahul’s father’s only son = Rahul himself.
• Rahul is the father of Ajay.
  → Hence, Ajay is Rahul’s son.

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Q10. Pointing to a photograph, Neha said, “He is the son of my grandfather’s only son.”
How is Neha related to the boy in the photograph?

A) Sister
B) Mother
C) Cousin
D) Aunt

✅ Answer: A) Sister
🔹 Solution:

• Grandfather’s only son = Neha’s father.
• He is son of Neha’s father → Hence, Neha’s brother.

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🏆 PRACTICE SET COMPLETED!

You can try these again tomorrow to speed up solving them within 1–1.5 minutes per question, which is ideal for SSC CGL!