If Rahul says, "Ravi's mother is the only daughter of my mother how is Rahul related to Ravi ?
Answer: C
Only daughter of my mother = Rahul Sister
Rahul Sister is Ravi's Mother,
So Rahul is maternal uncle of Ravi.
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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
Clearly, the lady is the grandmother of man's sister's son i.e.. the mother of the mother of man's sister's son i.e., the mother of man's sister. So, the lady is man'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
The father of the boy's uncle → the grandfather of the boy and daughter of the grandfather → sister of father.
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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
Father of Deepak's daughter's father → Deepak's father.
Hence, the person in the brother of Deepak's father.
Therefore, the person is the uncle of Deepak.
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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
Analysis of Blood Relation:
Father of my son’s father -> Shalini's Father in law
Shalini's Father-in-law brother -> Shalini's Uncle
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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
The father of the boy's uncle → the grandfather of the boy and daughter of the grandfather → sister of father.
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