If Rahul says, "Ravi's mother is the only daughter of my mother how is Rahul related to Ravi ?
Answer: C
Correct answer: Maternal uncle
The only daughter of my mother is Rahul’s sister, and she is Ravi’s mother. Rahul is therefore the brother of Ravi’s mother - his maternal uncle.
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If A $ B means A is the brother of B; A @ B means A is the wife of B; A # B means A is the daughter of B and A * B means A is the father of B, which of the following indicates that U is the father-in-law of P?
Answer: A
P @ Q → P is the wife of Q ...(1)
Q $ T → Q is the brother of T ...(2)
T # U → T is the daughter of U
Hence, → Q is the son of U ...(3)
U * W → U is the father of W.
From (1) and (3), U is the father-in-law of P.
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A man pointing to a photograph Says, The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?
Answer: C
Correct answer: Mother
The man’s nephew is his sister’s son, so the boy’s maternal grandmother is the mother of the man’s sister. The lady is therefore that sister’s mother.
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Lalita said to Tina, “You are the daughter-in-law of the grandmother of my father’s only son.” How is Lalita related to Tina?
Answer: D
My father’s only son’ is my (Lalita’s) brother. Tina is daughter-in-law of grandmother of (Lalita’s) brother. Tina thus can be their mother (wife of grandmother’s only son). However as it is not mentioned that the grandmother has only one son, Tina can be wife of grandmother’s other son i.e. Tina could also be their aunt. Hence, answer is (4) Indeterminable.
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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?
Answer: A
Correct answer: Brother
Unpack from the inside. The father of my uncle is the girl’s grandfather; his daughter is the girl’s mother; and that woman’s son is the girl’s brother.
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If M x N means M is the daughter of N; M + N means M is the father of N; M % N means M is the mother of N and M - N means M is the brother of N then P % Q + R - T x K indicates which relation of P to K?
Answer: D
P % Q → P is the mother of Q
Q + R → Q is the father of R
R - T → R is the brother of T
Hence, → Q is the father of T
T x K → T is the daughter of K
Hence, → Q is the husband of K.
Therefore, P is the mother-in-law of K.
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Pointing to a person, Deepak said, "His only brother is the father of my daughter's father". How is the person related to Deepak?
Answer: C
Correct answer: Uncle
My daughter’s father is Deepak himself. The person’s only brother is therefore Deepak’s father, which makes the person Deepak’s uncle.
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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?
Answer: B
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.
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Pointing to a gentleman, Shalini said, "His only brother is the father of my son’s father." How is the gentleman related to Shalini ?.
Answer: B
Correct answer: uncle
My son’s father is Shalini’s husband, and the gentleman’s only brother is that man’s father - Shalini’s father-in-law. The gentleman is therefore her husband’s uncle, and so hers by marriage.
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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?
Answer: A
Correct answer: Brother
Unpack from the inside. The father of my uncle is the girl’s grandfather; his daughter is the girl’s mother; and that woman’s son is the girl’s brother.
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