Blood Relation - Solved Questions and Answers

Blood Relations refers to logical reasoning questions that analyze familial relationships (like parent, sibling, in-laws) through given clues.

Blood Relation questions and answers are provided below for you to learn and practice.

Question 1: A woman introduces a man as the son of the brother of her mother. How is the man related to the woman?

(a) Brother

(b) Uncle

(c) Nephew

(d) Cousin

Answer: (d) Cousin

Explanation:

Woman's mother's brother is her maternal uncle.

The man is the son of her maternal uncle => Cousin .

Question 2: If A is the brother of B, C is the sister of B, and B is the father of D, how is D related to A?

(a) Nephew/Niece

(b) Niece

(c) Nephew

(d) Cousin

Answer: (a) Nephew/Niece

Explanation:

A is the brother of B => A and B are siblings.

C is the sister of B => A,B,C are siblings.

B is the father of D => D is nephew / niece for both A and B

Question 3: If A is the mother of B, B is the son of C, and C is the brother of D, how is D related to A?

(a) Brother-in-law

(b) Uncle

(c) Nephew

(d) Cousin

Answer: (a) Brother-in-law

Explanation:

A is the mother of B => A is a female.

B is the son of C => C is a parent (Mother/Father) of B.

C is the brother of D => C is a male and C is B's Father => D is B's Uncle/Aunt and A's Brother-in-law/Sister-in-law

Question 4: If A is the sister of B, B is the daughter of C, and C is the wife of D, how is D related to A?

(a) Father

(b) Uncle

(c) Grand Father

(d) Cousin

Answer: (a) Father

Explanation:

A is the sister of B => A and B are siblings.

B is the daughter of C => C is the mother of A and B .

C is the wife of D => D is husband to C => D is A's and B's Father.

Question 5: If A is the husband of B, B is the mother of C, and C is the wife of D, how is A related to D?

(a) Father-in-law

(b) Grandfather

(c) Nephew

(d) Cousin

Answer: (a) Father-in-law

Explanation:

A is husband of B.

B is mother of C => A is father of C.

C is wife of D => D is son-in-law of A / A is father-in-law of D.

Question 6: If A is the brother of B, B is the son of C, and C is the daughter of D, how is D related to A?

(a) Uncle

(b) Grandfather

(c) Nephew

(d) Cousin

Answer: (b) Grandfather

Explanation:

A is brother of B => A and B are siblings.

B is the son of C => C is a parent(Mother/Father) of A and B .

C is the daughter of D => C is mother of A and B => D is grandparent (Grandfather/Grandmother) to A.

Question 7: If A is the sister of B, B is the daughter of C, C is the wife of D, and D is the brother of E, how is E related to A?

(a) Uncle

(b) Grandfather

(c) Nephew

(d) Cousin

Answer: (a) Uncle

Explanation:

A is sister of B => A and B are siblings.

B is the daughter of C => C is a Parent(Mother/Father) of A and B.

C is the wife of D => C is the mother and D is the father of A and B.

D is the brother of E => E is Paternal Uncle/Aunt for A and B.

Question 8: If A is the brother of B, B is the son of C, C is the daughter of D, and D is the wife of E, how is E related to B?

(a) Uncle

(b) Grandfather

(c) Mother

(d) Grandmother

Answer: (b) Grandfather

Explanation:

A is brother of B => A and B are siblings.

B is the son of C => C is a Parent of A and B.

C is the daughter of D => C is mother of A and B => D is Maternal Grandparent for A and B.

D is the wife of E => D is the Maternal Grandmother and E is the Maternal Grandfather for A and B.

Question 9: If A is the sister of B, B is the daughter of C, C is the wife of D, and D is the brother of E, how is E related to C?

(a) Brother-in-law

(b) Grandfather

(c) Nephew

(d) Cousin

Answer: (a) Brother-in-law

Explanation:

A is sister of B => A and B are siblings.

B is daughter of C => C is parent for A and B.

C is wife of D => C is mother and D is father for A and B.

D is brother of E => E is Brother-in-law/Sister - in -law for C.

Question 10: Introducing a boy, a girl said, “He is the only son of my mother’s mother. How is the girl related to the boy?

(a) Mother

(b) Aunt

(c) Niece

(d) Cousin

Answer: (c) Niece

Explanation:

Son of my Mother's Mother => Son of my Grandmother => The boy is her Maternal Uncle / She is the boy's niece.

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