1. Amit said - "This girl is the wife of the grandson of my mother". How is Amit related to the girl?
a) Brother
b) Grandfather
c) Husband
d) Father-in-law
Explanation: The girl is the wife of grandson of Amit's mother i.e., the girl is the wife of son of Amit. Hence, Amit is the father-in-law of the girl.
2. A and B are children of D. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary?
1. C is the brother of A and the son of E.
2. F is the mother B.
a) Only (1)
b) Only (2)
c) Either (1) or (2)
d) (1) and (2) both
Explanation: A and B are children of D.
From (1), C is the brother B and son of E.
Since, the sex of D and E are not known. Hence (1) is not sufficient to answer the question.
From (2). F is the mother of B. Hence, F is also the mother of A. Hence D is the father of A.
Thus, (2) is sufficient to answer the question.
3. Pointing towards a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man?
a) Mother
b) Grandmother
c) Sister
d) Daughter
Explanation: Only daughter of my mother → myself.
Hence, the woman is the mother of the man.
4. If P $ Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q in A # B $ C * D, who is the father?
a) D
b) B
c) C
d) Data is inadequate
Explanation: A is the mother of B, B is the brother of C and C is the daughter of D. Hence, D is the father.
5. Introducing Sonia, Aamir says, "She is the wife of only nephew of only brother of my mother." How Sonia is related to Aamir?
a) Wife
b) Sister
c) Sister-in-law
d) Data is inadequate
Explanation: Brother of mother means maternal uncle. Hence only nephew of Aamir's maternal uncle means Aamir himself. Therefore Sonia is the wife of Aamir.
6. If A is the brother of B and K, D is the the mother of B and E is the father of A. Which one of the following statement is not definitely true ?
a) B is the brother of K
b) A is the father of K
c) A is the son of D
d) D is the wife of E
Explanation: In the family, E is the father whose wife is D. E has three children A, B and K out of which A is the son. Hence, A cannot be the father of K.
7. Introducing a lady, a man said, "Her mother is the only daughter of my mother-in-law." What is the man to the lady ?
a) Son
b) Father
c) Uncle
d) Husband
Explanation: Since, the mother-in-law of the man is the mother of the lady's mother, therefore, the lady is the daughter of the man.
8. Introducing a woman, a man said, "Her mother's husband's sister is my aunt." How man is related to the woman ?
a) Nephew
b) Brother
c) brother-in-law
d) Cousin
Explanation: Her mother's husband means her father and her father's sister is man's aunt. Therefore, the man and woman are brother and sister.
9. Leela, who is Sohan's daughter, says to Latika, "Your mother Alka is the younger sister of my father who is the third child of Gajanan." What is the relation of Gajanan to Latika ?
a) Father
b) Uncle
c) Grandfather
d) Father-in-law
Explanation: As Alka is the sister of Sohan and Sohan is the third child of Gajanan, therefore, Alka will be the daughter of Gajanan. But Latika is the daughter of Alka, So, Gajanan will be grandfather of Latika.
10. Old man's son is my son's uncle, then what relation has the old man with me ?
a) Brother
b) Father
c) Grandfather
d) Uncle
Explanation:
Since, Old man's son is my son's uncle.
My Son's Uncle = My Brother.
So, old man's son is my brother. Hence, the old man is my father.