Blood Relation Questions and Answers

Q: Pointing towards a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man?

Correct answer: MotherThe only daughter of my mother can only be the woman herself, so she is the man’s mother.

Q: If A + B means A is the brother of B; A x B means A is the son of B; and A % B means B is the daughter of A then which of the following means M is the maternal uncle of N?

Correct answer: None of theseFor M to be N’s maternal uncle, M must be the brother of N’s mother. Taking the options in turn: M + O × N makes O the son of N, so M becomes N’s son, not her uncle. M % O × N + P makes O both M’s daughter and N’s son, which is impossible. M + O % N makes M the brother of O and N the daughter of O - but nothing tells us O is female, so the relation could be paternal. No option establishes it, so the answer is none of these.

Q: A woman introduces a man as the son of the brother of her mother. How is the man related to the woman ?

Correct answer: CousinThe brother of her mother is the woman’s maternal uncle, and the man is his son - so the two are cousins.

Q: Suraj told Anand, 'Yesterday I defeated the only brother of the daughter of my grandmother.' Whom did Suraj defeat ?

Correct answer: FatherThe daughter of my grandmother is Suraj’s mother, and her only brother is Suraj’s maternal uncle - but the choices offer no uncle. Read the other way, the grandmother’s daughter is Suraj’s aunt, and her only brother is then Suraj’s own father, which is the relation the question is after.

Q: If A + B means A is the brother of 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 means M is the uncle of P?

Correct answer: M + K % T x PM + K makes M the brother of K; K % T makes K the father of T; T × P makes T the sister of P, so P too is K’s child. M is therefore the brother of P’s father - his uncle.

Q: A is the father of B, C is the daughter of B, D is the brother of C, and E is the son of D. How is E related to A ?

Correct answer: Great-grandsonTrace the generations downward: A, then B, then D (B’s son, being C’s brother), then E. E stands three generations below A, so he is A’s great-grandson.

Q: Pointing to a man, a woman said, “His mother is the only daughter of my mother.” How is the woman related to the man ?

Correct answer: MotherThe only daughter of the woman’s mother can be no one but the woman herself. The man’s mother is therefore the speaker, so she is his mother.

Important Instructions

211.

If A is the brother of B; B is the sister of C; and C is the father of D, how D is related to A?

A.Brother
B.Sister
C.Nephew
D.Cannot be determined

Answer: D

If D is Male, the answer is Nephew.

If D is Female, the answer is Niece.

As the sex of D is not known, hence, the relation between D and A cannot be determined.

Note: Niece - A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law. Nephew - A son of one's brother or sister, or of one's brother-in-law or sister-in-law.

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212.

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

Correct answer: Mother

The only daughter of my mother can only be the woman herself, so she is the man’s mother.

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213.

If Neena says, "Anita's father Raman is the only son of my father-in-law Mahipal, then how is Bindu, who is the sister of Anita, related to Mahipal ?

A. Niece
B. Grand daughter
C.Wife
D.Daughter-in-law

Answer: B

Only son of Neena's father-in-law Mahipal - Neena's husband.

So, Raman is Neena's husband and Anita and Bindu are his daughters.

Thus, Bindu is the grand daughter of Mahipal.

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214.

If A + B means A is the brother of B; A x B means A is the son of B; and A % B means B is the daughter of A then which of the following means M is the maternal uncle of N?

A.M + O x N
B.M % O x N + P
C.M + O % N
D.None of these

Answer: D

Correct answer: None of these

For M to be N’s maternal uncle, M must be the brother of N’s mother. Taking the options in turn: M + O × N makes O the son of N, so M becomes N’s son, not her uncle. M % O × N + P makes O both M’s daughter and N’s son, which is impossible. M + O % N makes M the brother of O and N the daughter of O - but nothing tells us O is female, so the relation could be paternal. No option establishes it, so the answer is none of these.

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215.

A woman introduces a man as the son of the brother of her mother. How is the man related to the woman ?

A.Nephew
B.Son
C.Cousin
D.Uncle

Answer: C

Correct answer: Cousin

The brother of her mother is the woman’s maternal uncle, and the man is his son - so the two are cousins.

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216.

Suraj told Anand, 'Yesterday I defeated the only brother of the daughter of my grandmother.' Whom did Suraj defeat ?

A. Son
B. Father
C. Brother
D.Father-in-law

Answer: B

Correct answer: Father

The daughter of my grandmother is Suraj’s mother, and her only brother is Suraj’s maternal uncle - but the choices offer no uncle. Read the other way, the grandmother’s daughter is Suraj’s aunt, and her only brother is then Suraj’s own father, which is the relation the question is after.

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217.

If A + B means A is the brother of 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 means M is the uncle of P?

A.M % N x P
B.N x P % M
C.M + S % R % P
D.M + K % T x P

Answer: D

Correct answer: M + K % T x P

M + K makes M the brother of K; K % T makes K the father of T; T × P makes T the sister of P, so P too is K’s child. M is therefore the brother of P’s father - his uncle.

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218.

A is the father of B, C is the daughter of B, D is the brother of C, and E is the son of D. How is E related to A ?

A.Grandson
B.Great-grandson
C.Son
D.Nephew

Answer: D

Correct answer: Great-grandson

Trace the generations downward: A, then B, then D (B’s son, being C’s brother), then E. E stands three generations below A, so he is A’s great-grandson.

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219.

Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar ?

A.Mother
B.Sister
C.Aunt
D.Grandmother

Answer: C

Only son of Amar's mother's father - Amar's maternal uncle.

So,

the girl's maternal uncle is Amar's maternal uncle.
Thus, the girl's mother is Amar's aunt.

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220.

Pointing to a man, a woman said, “His mother is the only daughter of my mother.” How is the woman related to the man ?

A.Sister
B.Mother
C.Aunt
D.Grandmother

Answer: C

Correct answer: Mother

The only daughter of the woman’s mother can be no one but the woman herself. The man’s mother is therefore the speaker, so she is his mother.

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