Blood Relation Test

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

Answer: A

Only daughter of my mother → myself.

Hence, the woman is the mother of the man.

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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?

C is the brother of A and the son of E.
F is the mother B.

A:

Only (1)

B:

Only (2)

C:

Either (1) or (2)

D:

(1) and (2) both

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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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

Answer: D

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.

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Pointing to a woman, Abhijit said, "Her granddaughter is the only daughter of my brother." How is the woman related to Abhijit?

A:

Sister

B:

Grandmother

C:

Mother-in-law

D:

Mother

Answer: D

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.

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If A + B means A is the sister of B; A x B means A is the wife of B, A % B means A is the father of B and A - B means A is the brother of B. Which of the following means T is the daughter of P?

A:

P x Q % R + S - T

B:

P x Q % R - T + S

C:

P x Q % R + T - S

D:

P x Q % R + S + T

Answer: B

P x Q → P is the wife of Q

Q % R → Q is the father of R

R - T → R is the brother of T

T + S → T is the sister of S.

Therefore, T is the daughter of P.

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Questions for: Blood Relation Test