Blood Relation
Pointing out to a photograph, a man tells his friend ‘She is the daughter of the only son of my father’s wife’. How is the girl in the photograph related to the man ?
Explanation: Father’s wife – mother; mother’s only son – himself. So the girl is man’s daughter.
A woman introduces a man as the son of the brother of her mother. How is the man related to the woman ?
Explanation: Brother of mother – uncle; uncle’s son – cousin
If X says that his mother is the only daughter of Y’s mother, then how is Y related to X ?
Explanation: Answer: Uncle
Let X’s mother be A. Then A is the only daughter of Y’s mother means Y is the brother of A. So, Y is X’s maternal uncle.
A and B are brothers. C and D are sisters. A’s son is D’s brother. How is B related to C ?
Explanation: B is the brother of A; A’s son is D’s brother. This means D is the daughter of A and hence C is the daughter of A. So, B is the uncle of C.
C is the brother of A; B is the daughter of A; E is the sister of C; and D is the brother of B. Who is the uncle of D ?
Explanation: Answer: C
D is the brother of B who is the daughter of A. so, D is the son of A. C is the brother of A.
Pointing to a photograph, a man said, 'I have no brother or sister but that man's father is my
father's son'.• Whose photograph was it?
Explanation: The man says: "I have no brother or sister," meaning he is the only son of his father.
He then says: "That man's father is my father's son."
• "My father's son" refers to himself (since he has no siblings).
• So, "That man's father" is him.
• This means "That man" is his son.
Thus, the photograph is of his son.
Pointing to an old man, Kailash said, 'His son is my son's uncle'.• How is the old man related to Kailash?