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- Question
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?
- C is the brother of A and the son of E.
- F is the mother B.
Options- A. Only (1)
- B. Only (2)
- C. Either (1) or (2)
- D. (1) and (2) both
- Correct Answer
- Only (2)
ExplanationA 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.
Blood Relation Test problems
Search Results
- 1.
- A * B means A is the sister of B
- A $ B means B is the mother of A
- A + B means A is the brother of B
- A = B means B is the father of A.
Options- A. M = P + Q * N
- B. N + P = Q * M
- C. N * P $ Q * M
- D. None of these Discuss
Correct Answer: None of these
- 2. Pointing to a woman, Abhijit said, "Her granddaughter is the only daughter of my brother." How is the woman related to Abhijit?
Options- A. Sister
- B. Grandmother
- C. Mother-in-law
- D. Mother Discuss
Correct Answer: Mother
Explanation:
Daughter of Abhijit's brother ? niece of Abhijit. Thus the granddaughter of the woman is Abhijit's niece.Hence, the woman is the mother of Abhijit.
- 3. Pointing to a boy in the photograph Reena said, "He is the only son of the only child of my grandfather." How Reena is related to that boy?
Options- A. Mother
- B. Sister
- C. Aunt
- D. Cannot be determined Discuss
Correct Answer: Sister
Explanation:
The boy in the photograph is the only son of Reena's grandfather's only son; i.e., the boy is the only son of Reena's father.Hence, the boy is the brother of Reena or Reena is the sister of the boy.
- 4. Pointing to a lady a person said, "The son of her only brother is the brother of my wife." How is the lady related to the person?
Options- A. Maternal aunt
- B. Grandmother
- C. Sister of father-in-law
- D. None of these Discuss
Correct Answer: Sister of father-in-law
Explanation:
Brother of person's wife ? brother-in-law of the person. Hence, the son of lady's brother is brother-in-law of the person.Therefore, the brother of the lady is the father-in-law of the person. Hence, the lady is the sister of the person's father-in-law.
- 5. Pointing towards a girl, Abhisek says, "This girl is the daughter of only a child of my father." What is the relation of Abhisek's wife to that girl?
Options- A. Daughter
- B. Mother
- C. Aunt
- D. Sister Discuss
Correct Answer: Mother
Explanation:
Only the child of my father means 'Abhisek' himself. This means the girl is the daughter od Abhisek. Hence, Abhisek's wife is the mother of the girl.- 6. Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?
Options- A. Brother
- B. Nephew
- C. Uncle
- D. Son-in-law Discuss
Correct Answer: Brother
Explanation:
The father of the boy's uncle ? the grandfather of the boy and daughter of the grandfather ? sister of father.- 7. Pointing to a photograph Anjali said, "He is the son of the only son of my grandfather." How is the man in the photograph related to Anjali?
Options- A. Brother
- B. Uncle
- C. Son
- D. Data is inadequate Discuss
Correct Answer: Brother
Explanation:
The man in the photograph is son of Anjali's grandfather's son i.e., the son of Anjali's father. Hence, the boy is the brother of Anjali.- 8. If D is the brother of B, how B is related to C? To answer this question which of the statements is/are necessary?
- The son of D is the grandson of C.
- B is the sister of D.
Options- A. Only 1
- B. Only 2
- C. Either 1 or 2
- D. 1 and 2 both are required Discuss
Correct Answer: 1 and 2 both are required
Explanation:
Given: D is the brother of B.From statement 1, we can detect that D is son of C (son of D is the grandson of C).
From statement 2, we can detect that B is 'Female' (sister of D).
Therefore, B is daughter of C.
- 9. If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?
Options- A. Q - N + M x P
- B. P + S x N - Q
- C. P - M + N x Q
- D. Q - S % P Discuss
Correct Answer: P - M + N x Q
Explanation:
P - M ? P is the brother of MM + N ? M is the mother of N
N x Q ? N is the sister of Q
Therefore, P is the maternal uncle of Q.
- 10. Introducing a man, a woman said, "He is the only son of the mother of my mother." How is the woman related to the man?
Options- A. Mother
- B. Sister
- C. Niece
- D. Maternal aunt Discuss
Correct Answer: Niece
Explanation:
The man is the only son of the mother of the woman. Hence, the man is the maternal uncle of the woman. So, the woman is the niece of the man.
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