Blood Relation MCQs with Answers for JKSSB, SSC, Railway & Banking

Question #1

Pointing to a photograph of a boy, Suresh said, 'He is the son of the only son of my mother.' How is Suresh related to that boy?

A. Father

B. Brother

C. Grandfather

D. Uncle

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Correct Answer: Option A

Explanation:
The only son of Suresh's mother is Suresh himself. Therefore, the boy in the photograph is the son of Suresh. So, Suresh is the father of the boy.

This question belongs to: Reasoning Blood Relation

Question #2

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If A + B means A is the brother of B; A - B means A is the sister of B; and A x B means A is the father of B. Which of the following means that C is the son of M?

A. M - N x C + F

B. M x N - C + F

C. N + M - F x C

D. F - C + N x M

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Correct Answer: Option B

Explanation:
In option D, M x N means M is the father of N. N - C means N is the sister of C, so M is also the father of C. C + F means C is the brother of F, which establishes that C is male. Therefore, C is the son of M.

This question belongs to: Reasoning Blood Relation

Question #3

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Introducing a man, a woman said, 'He is the only son of my mother's mother.' How is the woman related to the man?

A. Mother

B. Sister

C. Niece

D. Aunt

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Correct Answer: Option C

Explanation:
The woman's mother's mother is her maternal grandmother. The only son of her maternal grandmother is her maternal uncle (mama). Therefore, the woman is the niece (bhanji) of that man.

This question belongs to: Reasoning Blood Relation

Question #4

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Pointing to a gentleman, Deepak said, 'His only brother is the father of my daughter's father.' How is the gentleman related to Deepak?

A. Father

B. Brother-in-law

C. Uncle

D. Grandfather

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Correct Answer: Option C

Explanation:
'My daughter's father' is Deepak himself. The father of Deepak is Deepak's father. The gentleman's only brother is Deepak's father. This means the gentleman is the brother of Deepak's father, which makes him Deepak's uncle.

This question belongs to: Reasoning Blood Relation

Question #5

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A's mother is sister of B and has a daughter C. How can A be related to B from the given options?

A. Father

B. Uncle

C. Daughter

D. Nephew

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Correct Answer: Option D

Explanation:
A's mother is the sister of B. This means B is either the maternal uncle or maternal aunt of A. Therefore, A is either the nephew or niece of B. From the given choices, 'Nephew' is the correct option.

This question belongs to: Reasoning Blood Relation

Question #6

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Pointing to a lady, Juhi said, 'She is the daughter of the only son of my grandfather.' How is Juhi related to that lady?

A. Mother

B. Aunt

C. Daughter

D. Sister

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Correct Answer: Option D

Explanation:
Juhi's grandfather's only son is Juhi's father. The lady is the daughter of Juhi's father. Therefore, the lady is Juhi's sister, and Juhi is her sister.

This question belongs to: Reasoning Blood Relation

Question #7

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If P $ Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q. If the expression is A # B $ C * D, who is the father?

A. A

B. B

C. D

D. C

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Correct Answer: Option C

Explanation:
A # B means A is the mother of B. B $ C means B is the brother of C, so A is also the mother of C. C * D means C is the daughter of D. Since A is already the mother of C, D must be the father of C (and B).

This question belongs to: Reasoning Blood Relation

Question #8

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A party consists of a grandmother, a father, a mother, four sons, their wives, and one son and two daughters to each of the sons. How many females are there in all?

A. 14

B. 12

C. 18

D. 16

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Correct Answer: Option A

Explanation:
Let's count the females: 1 grandmother + 1 mother + 4 wives of the sons + 8 daughters (2 daughters for each of the 4 sons). Total females = 1 + 1 + 4 + 8 = 14.

This question belongs to: Reasoning Blood Relation

Question #9

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Pointing to a photograph, a man said, 'I have no brother or sister but that man's father is my father's son.' Whose photograph was it?

A. His father's

B. His son's

C. His own

D. His nephew's

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Correct Answer: Option B

Explanation:
Since the man has no brother or sister, 'my father's son' must be the man himself. The statement simplifies to: 'that man's father is myself'. Therefore, the photograph is of his son.

This question belongs to: Reasoning Blood Relation

Question #10

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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. Cannot be determined

B. Brother

C. Sister

D. Nephew

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Correct Answer: Option A

Explanation:
A and B are siblings of C. C is the father of D. Therefore, A is the paternal uncle of D. However, the gender of D is not specified in the question, so D could be either a nephew or a niece. Hence, it cannot be determined.

This question belongs to: Reasoning Blood Relation

Question #11

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Given that: 1. A is the mother of B. 2. C is the son of A. 3. D is the brother of E. 4. E is the daughter of B. Who is the grandmother of D?

A. E

B. A

C. C

D. B

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Correct Answer: Option B

Explanation:
E is the daughter of B, and D is the brother of E, so D is the son of B. A is the mother of B. Therefore, A is the grandmother (maternal or paternal depending on B's gender) of D.

This question belongs to: Reasoning Blood Relation

Question #12

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A man said to a lady, 'Your mother's husband's sister is my aunt.' How is the lady related to the man?

A. Daughter

B. Granddaughter

C. Sister

D. Mother

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Correct Answer: Option C

Explanation:
The lady's mother's husband is the lady's father. His sister is the lady's paternal aunt (bua). Since this same person is also the man's aunt, the lady and the man share the same paternal aunt. Therefore, the lady is the sister of the man.

This question belongs to: Reasoning Blood Relation

Question #13

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Rahul's mother is the only daughter of Monika's father. How is Monika's husband related to Rahul?

A. Uncle

B. Brother

C. Grandfather

D. Father

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Correct Answer: Option D

Explanation:
Monika's father's only daughter is Monika herself. Therefore, Rahul's mother is Monika. This means Monika's husband is Rahul's father.

This question belongs to: Reasoning Blood Relation

Question #14

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Q's mother is the sister of P and daughter of M. S is the daughter of P and sister of T. How is M related to T?

A. Grandfather or Grandmother

B. Father

C. Grandfather

D. Grandmother

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Correct Answer: Option A

Explanation:
S and T are siblings, and P is their parent. Q's mother is the sister of P, and both are children of M. Therefore, M is the grandparent of P's children (S and T). Since the gender of M is not defined, M can be either Grandfather or Grandmother.

This question belongs to: Reasoning Blood Relation

Question #15

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Pointing to a man on the stage, Rita said, 'He is the brother of the daughter of the wife of my husband.' How is the man on the stage related to Rita?

A. Son

B. Nephew

C. Cousin

D. Husband

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Correct Answer: Option A

Explanation:
'The wife of my husband' is Rita herself. Her daughter's brother is her own son. Thus, the man on the stage is Rita's son.

This question belongs to: Reasoning Blood Relation

Question #16

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A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C?

A. Brother

B. Father

C. Uncle

D. Grandfather

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Correct Answer: Option C

Explanation:
A's son is the brother of D, and since C and D are sisters, A is the father of A's son, D, and C. Since B is the brother of A, B is the paternal uncle of C.

This question belongs to: Reasoning Blood Relation

Question #17

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Looking at a portrait of a man, Harsh said, 'His mother is the wife of my father's son. Brothers and sisters I have none.' At whose portrait was Harsh looking?

A. His uncle

B. His nephew

C. His cousin

D. His son

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Correct Answer: Option D

Explanation:
Since Harsh has no brothers or sisters, 'my father's son' is Harsh himself. The statement means the man's mother is the wife of Harsh. If the man's mother is Harsh's wife, then the man must be Harsh's son.

This question belongs to: Reasoning Blood Relation

Question #18

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A is B's sister. C is B's mother. D is C's father. E is D's mother. Then, how is A related to D?

A. Grandmother

B. Grandfather

C. Daughter

D. Granddaughter

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Correct Answer: Option D

Explanation:
A is the sister of B, and B is the child of C. Thus, A is the daughter of C. Since D is the father of C, A is the granddaughter of D.

This question belongs to: Reasoning Blood Relation

Question #19

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Pointing to a person, a man said to a woman, 'His mother is the only daughter of your father.' How was the woman related to the person?

A. Wife

B. Daughter

C. Aunt

D. Mother

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Correct Answer: Option D

Explanation:
The only daughter of the woman's father is the woman herself. Therefore, she is the mother of the person.

This question belongs to: Reasoning Blood Relation

Question #20

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Pointing to a photograph, a woman says, 'This man's son's sister is my mother-in-law.' How is the woman's husband related to the man in the photograph?

A. Son-in-law

B. Nephew

C. Grandson

D. Son

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Correct Answer: Option C

Explanation:
The man's son's sister is the man's daughter. This daughter is the woman's mother-in-law. The woman's husband is the son of this mother-in-law. Therefore, the woman's husband is the grandson of the man in the photograph.

This question belongs to: Reasoning Blood Relation

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