Blood Relations 1

This type of reasoning question is based on the blood relations among the family members. And, you are required to find the relation between the particular members of the family. So, you must have a basic understanding of the different types of blood relations that exist in a family.

The following table will help you understand the different types of blood relations among the family members.

Father's or mother's son	Brother
Father's or mother's daughter	Sister
Father's elder or younger brother	Uncle (Paternal)
Mother's elder or younger brother	Maternal Uncle
Father's elder or younger sister	Aunt
Mother's elder or younger sister	Aunt (Maternal)
Son's wife	Daughter-in-law
Daughter's husband	Son-in-law
Sister's husband	Brother-in-law
Brother's wife	Sister-in-law
Husband's brother or wife's brother	Brother-in-law
Husband's sister or wife's sister	Sister-in-law
Husband's father or wife's father	Father-in-law
Husband's mother or wife's mother	Mother-in-law
Brother's son or sister's son	Nephew
Brother's daughter or sister's daughter	Niece
Uncle's or aunt's son	Cousin
Uncle's or aunt's daughter	Cousin
Father's or mother's father	Grandfather
Father's or mother's mother	Grandmother
Father of grandfather or grandmother	Great-grandfather
Mother of grandfather or grandmother	Great-grandmother

Note:
The relation on mother's side is called maternal, e.g., maternal uncle or aunt.
The relation on father's side is called paternal, e.g., paternal uncle or aunt.

1) Pointing to a photograph, a man said, "I have no brother, and that man's father is my father's son." Whose photograph was it?

His son
His own
His father
His nephew

Answer: A

Explanation:

The narrator has no brother, so he is the only son of his father, and his father's son is he himself. Hence, the narrator is the father of the man in the photograph, so the man in the photograph is his son.

2) Pointing to a photograph of a man, Pooja said, "He is the only son of the mother of my sister's brother." How is that person related to Pooja?

Father
Maternal Uncle
Cousin
None of these

Answer: D

Explanation:

The person in the photograph is the only son of the mother of Pooja's sister's brother. So, he is the brother of Pooja.

3) Pointing to a woman, a man said, "Her father is the only son of my father." How is the man related to the woman?

Brother
Grandfather
Father
Son

Answer: C

Explanation:

Only son of my father = the man himself. Therefore, the man is the father of this woman.

4) Looking at the portrait of a man, Mohan said, "His mother is the wife of my father's son and I have no brother and sister." at whose portrait was Mohan looking?

His nephew
His son
His cousin
None of these

Answer: B

Explanation:

Mohan has no brother and sister, so he is the only son of his father.

Now, wife of my father's son = Mohan's wife. And, Mohan's wife is the mother of the man, so the man is Mohan's son.

5) Pointing to a photograph, a lady tells Sohan, "I am the only daughter of this woman, and her son is your maternal uncle." How is the lady related to Sohan's father?