Practice Logical Reasoning Blood Relation Questions for Competitive Exams.
Q1. A says to B, “I am the husband of your father’s only daughter.” How is A related to B?
Correct Answer:
Father
Explanation: "Father’s only daughter" refers to B’s sister.
The husband of B’s sister is B’s father.
Q2. Pointing to a picture, a man says, “The father of this girl’s brother is my father.” How is the girl related to the man?
Correct Answer:
Sister
Explanation: "The father of the girl’s brother" is also the father of the man, making the girl his sister.
Q3. A woman says, “The wife of my son is the mother of this girl.” How is the girl related to the woman?
Correct Answer:
Granddaughter
Explanation: "Wife of my son" is the daughter-in-law.
The daughter of her son’s wife is her granddaughter.
Q4. Pointing to a woman, a man says, “She is the wife of the son of my father.” How is the woman related to the man?
Correct Answer:
Sister-in-law
Explanation: "Son of my father" is the man’s brother.
The wife of his brother is his sister-in-law.
Q5. A says, “My father’s only daughter is the mother of B’s mother.” How is A related to B?
Correct Answer:
Grandfather
Explanation: "My father’s only daughter" is A’s sister or mother.
A is B’s mother’s father, making A B’s grandfather.
Q6. Pointing to a man in the photograph, Anita says, “This man’s son is the only brother of my daughter.” How is the man related to Anita?
Correct Answer:
Husband
Explanation: "Only brother of my daughter" is Anita’s son.
The father of Anita’s son is her husband.
Q7. Pointing to a boy, Sunita says, “He is the son of my only brother’s wife.” How is the boy related to Sunita?
Correct Answer:
Nephew
Explanation: "My only brother" is Sunita’s brother.
The son of her brother’s wife is her nephew.
Q8. Pointing to a man, Kavita says, “He is the father of my daughter’s mother’s brother.” How is the man related to Kavita?
Correct Answer:
Husband
Explanation: "Daughter’s mother" is Kavita herself.
The man is the father of Kavita’s brother, making him Kavita’s father.
Q9. A says, “The father of my son’s mother is my father-in-law.” How is A related to his son’s mother?
Correct Answer:
Uncle
Explanation: "My son’s mother" refers to A’s wife.
The father of A’s wife is A’s father-in-law, confirming A is the husband.
Q10. A man says, “The girl I met is the sister of my uncle’s daughter.” How is the girl related to the man?
Correct Answer:
Cousin
Explanation: "Uncle’s daughter" is the man’s cousin.
The sister of the cousin is also the man’s cousin.
Q11. Pointing to a woman, Anil says, “She is the mother of the only granddaughter of my father.” How is the woman related to Anil?
Correct Answer:
Wife
Explanation: "Only granddaughter of my father" refers to Anil’s daughter.
The mother of Anil’s daughter is Anil’s wife.
Q12. Pointing to a person, Ravi says, “He is the husband of my mother’s sister-in-law.” How is the person related to Ravi?
Correct Answer:
Uncle
Explanation: "Mother’s sister-in-law" is Ravi’s aunt by marriage.
The husband of Ravi’s aunt is his uncle.
Q13. A says, “My father’s wife’s father-in-law is my uncle’s father.” How is A’s father related to A’s uncle?
Correct Answer:
Brother
Explanation: "Father’s wife" is A’s mother, and her "father-in-law" is A’s grandfather.
"Uncle’s father" is also A’s grandfather. Thus, A’s father and uncle are siblings.
Q14. Pointing to a photograph, Bina says, “The girl in the photograph is my daughter-in-law’s only sister.” How is the girl related to Bina?
Correct Answer:
Niece
Explanation: Daughter-in-law’s only sister" is not directly related to Bina but can be considered her niece by relationship hierarchy.
Q15. Pointing to a person, A says, “He is the son of my grandfather’s only son.” How is the person related to A?
Correct Answer:
Brother
Explanation: "Grandfather’s only son" is A’s father.
"Son of my father" refers to A’s brother.