1. Pointing to Ketan, Namrata said, " He is the son of my father's only son." How is ketan's mother related to Namrata?
Explanation: Namrata's father's only son---Namrata's brother.
So, Ketan is the son of Namrata's brothers. Thus, Ketan's mother is the wife of Namrata's brother i.e. Namrata's sister in low.
2. Showing the man receiving the prize, Saroj said, " He is the brother of my uncle's daughter." Who is the man to Saroj ?
Explanation: Brother of uncle's daughter---Uncle's son---Cousin.
So, the man is Saroj cousin.
3. Pointing to a gentleman, Deepak said, "His only brother is the father of my daughter's father." How is the gentleman related to Deepak?
Explanation: Father of Deepak's daughter's father---Deepak's father. So, the man's brother is Deepak's father or the man is the brother of Deepak's father i.e., Deepak's uncle.
4. Pointing to a man on the stage, Rashi said, " He is the brother of the daughter of the wife of my husband." How is the man on the stage related to Rashi?
Explanation: Wife of Rashi's husband---Rashi; Brother of daughter---Son.
So, the man on the stages is Rashi's son.
5. Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar?
Explanation: Only son of Amar's mother's father---Amar's maternal uncle.
So, the girl's maternal uncle is Amar's maternal uncle. Thus, the girl's mother is Amar's aunt.
6. Arun said, " This girl is the wife of the grandson of my mother." Who is Arun to the girl ?
Explanation: Mother's grandson---Son; Son's wife---Daughter-in-law.
7. If Kamal says, "Ravi's mother is the only daughter of my mother, How is Kamal related to Ravi?
c) Cannot be determined
d) None of these
Explanation: Only daughter of Kamal's mother---Kamal's sister. So, Ravi's mother is Kamal's sister or Kamal is the brother of Ravi's mother i.e., Ravi's maternal uncle.
8. Pointing to a person, a man said to a woman, "His mother is the only daughter of your father. How was the woman related to the person ?
Explanation: Only daughter of woman's father---woman herself.
So, the woman is person's mother.
9. Pointing to a man in a photograph, a woman said, "His brother's father is the only son of my grandfather." How is the women related to the man in the photograph ?
Explanation: Only son of women's grandfather---Woman's father; Man's brother's father---Man's father.
So, the woman is man's sister.
10. P's father is Q's son. M is the paternal uncle of P and N is the brother of Q. How is N related to M?
c) Data inadequate
d) None of these
Explanation: P's father is Q's son. So, Q is P's grandfather. M is the paternal uncle of P. So, M is the brother of P's father. This means that M is also Q's son. N is the brother of Q. Thus, N is the paternal uncle of P.