Blood Relation Test

A's son B is married with C whose sister D is married to E the brother of B. How D is related to A?

A:

Sister

B:

Daughter's-in-law

C:

Sister-in-law

D:

Cousin

Answer: B

Since E is the brother of B

Therefore, A is the father of E

but D is the wife of E.

Hence, D is the daughter-in-law of A.

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Pointing to Gopi, Nalni says, "I am the daughter of the only son of his grandfather." How Nalni is related to Gopi?

A:

Niece

B:

Daughter

C:

Sister

D:

Cannot be determined

Answer: C

Nalni is the daughter of the only son of Gopi's grandfather. Hence, it's clear that Nalni is the sister of Gopi.

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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?

A:

Mother

B:

Sister

C:

Niece

D:

Maternal aunt

Answer: C

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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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?

A:

P @ Q $ T # U * W

B:

P @ W $ Q * T # U

C:

P @ Q $ W * T # U

D:

P @ Q $ T # W * U

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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If P $ Q means P is the father of Q; P # Q means P is the mother of Q and P * Q means P is the sister of Q, then N # L $ P * Q shows which of the relation of Q to N?

A:

Grand son

B:

Grand daughter

C:

Nephew

D:

Data is inadequate

Answer: D

As the sex of Q is not known, hence, data is inadequate.

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Questions for: Blood Relation Test