Blood Relation MCQ – Reasoning Questions and Answers

1. If John's mother is the only daughter of Monica's father, how is Monica related to John?

a) Aunt
b) Sister
c) Mother
d) Grandmother

Answer:

c) Mother

Explanation:

John's mother is Monica's father's only daughter, meaning Monica is John's mother.

2. 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
b) Nephew
c) Grandson
d) Brother

Answer:

c) Grandson

Explanation:

The man's son's sister is the woman's mother-in-law, so the woman's husband is the man's grandson.

3. If Tom's brother is John's father, what relation is Tom to John?

a) Uncle
b) Brother
c) Cousin
d) Father

Answer:

a) Uncle

Explanation:

Tom is John's father's brother, so Tom is John's uncle.

4. Michael is Sarah's father's son. Sarah has one brother. How is Michael related to Sarah?

a) Brother
b) Uncle
c) Cousin
d) Father

Answer:

a) Brother

Explanation:

Since Sarah has one brother and Michael is Sarah's father's son, Michael is Sarah's brother.

5. Rita says, "The only son of my mother is my father's son." Who is Rita referring to?

a) Her brother
b) Her cousin
c) Her father
d) Herself

Answer:

d) Herself

Explanation:

Rita is referring to herself, as she is her mother's only son's sister.

6. Pointing to a man, a woman says, "His mother is the only daughter of my mother." How is the woman related to the man?

a) Mother
b) Sister
c) Aunt
d) Daughter

Answer:

a) Mother

Explanation:

The woman is the mother of the man since she is the only daughter of her mother.

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

a) Uncle
b) Brother
c) Cousin
d) Father

Answer:

a) Uncle

Explanation:

A is the brother of B, who is the sister of C, the father of D. Hence, A is the uncle of D.

8. Emma's father's mother's only son's daughter is Jane. How is Emma related to Jane?

a) Sister
b) Cousin
c) Niece
d) Aunt

Answer:

a) Sister

Explanation:

Emma's father's mother's only son is Emma's father, so his daughter is Emma's sister.

9. If P is the father of Q and R is the son of S, T is the brother of R. How is P related to T?

a) Uncle
b) Brother
c) Father
d) Cousin

Answer:

a) Uncle

Explanation:

P is the father of Q, and T is the brother of R, who is unrelated to Q. Thus, P is T's uncle.

10. Martha has a daughter named Susan. Susan's father has a son named Peter. How is Peter related to Martha?

a) Brother
b) Husband
c) Son
d) Nephew

Answer:

c) Son

Explanation:

Peter is Susan's brother, making him Martha's son.

11. If X is the brother of Y, Z is the sister of Y and X is the brother of W, how is W related to Z?

a) Brother
b) Sister
c) Cousin
d) Aunt

Answer:

a) Brother

Explanation:

Since X is the brother of both Y and W, and Z is the sister of Y, W is Z's brother.

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

a) Cousin
b) Brother
c) Uncle
d) Nephew

Answer:

a) Cousin

Explanation:

The man is the son of the woman's mother's brother, making him her cousin.

13. In a family, A is the father of B, but B is not the son of A. What is the relationship between A and B?

a) Cousin
b) Brother
c) Daughter
d) Niece

Answer:

c) Daughter

Explanation:

If B is not the son of A and A is the father, then B must be A's daughter.

14. If E is the brother of D, D is the sister of C, and C is the mother of F, how is D related to F?

a) Aunt
b) Mother
c) Sister
d) Cousin

Answer:

a) Aunt

Explanation:

D is the sister of C, who is the mother of F, so D is F's aunt.

15. Pointing to a woman in a photograph, Alan says, "Her brother's father is my father." How is Alan related to the woman?

a) Brother
b) Cousin
c) Uncle
d) Father

Answer:

a) Brother

Explanation:

Her brother's father is Alan's father, so Alan is her brother.

16. If R is the sister of T, U is the brother of S, R is the daughter of U, how is S related to T?

a) Mother
b) Aunt
c) Sister
d) Cousin

Answer:

b) Aunt

Explanation:

Since R is the daughter of U and the sister of T, U is T's father and S, U's sibling, is T's aunt.

17. A man says, "The sister of my father's only brother is my aunt." How is the aunt related to the man's father?

a) Sister
b) Wife
c) Cousin
d) Mother

Answer:

a) Sister

Explanation:

The sister of the man's father's only brother is the man's father's sister.

18. Pointing to a boy, a girl says, "He is the son of my father's brother." How is the girl related to the boy?

a) Sister
b) Cousin
c) Aunt
d) Niece

Answer:

b) Cousin

Explanation:

The boy is the son of the girl's father's brother, making them cousins.

19. Sarah says, "Paul's mother is the only sister of my mother." How is Sarah related to Paul?

a) Sister
b) Cousin
c) Niece
d) Daughter

Answer:

b) Cousin

Explanation:

Paul's mother is the sister of Sarah's mother, making Sarah and Paul cousins.

20. Pointing to a photograph, a man says, "I have no brother or sister but that man's father is my father's son." Who is in the photograph?

a) The man's son
b) The man's father
c) The man himself
d) The man's brother

Answer:

a) The man's son

Explanation:

The man in the photograph is the son of the speaker, as the speaker's father's son is himself.

21. If M is the brother of N, O is the sister of N, and P is the father of M, how is N related to P?

a) Daughter
b) Son
c) Niece
d) Cousin

Answer:

b) Son

Explanation:

Since M is the brother of N and P is the father of M, N is the son of P.

22. Emily says, "The only daughter of my father is my mother." How is Emily related to her mother?

a) Daughter
b) Sister
c) Niece
d) Mother

Answer:

a) Daughter

Explanation:

Emily's father's only daughter is Emily herself, so she is the daughter of her mother.

23. A man pointing to a lady says, "She is the daughter of the woman who is the mother of the husband of my mother." Who is the lady to the man?

a) Mother
b) Sister
c) Aunt
d) Daughter

Answer:

b) Sister

Explanation:

The lady is the daughter of the man's father, making her his sister.

24. If R is the son of Q, S is the son of R, T is the father of Q, how is S related to T?

a) Grandson
b) Son
c) Brother
d) Nephew

Answer:

a) Grandson

Explanation:

Since R is the son of Q and T is the father of Q, S, being the son of R, is the grandson of T.

25. Pointing to a girl, John says, "She is the daughter of my grandfather's only child." How is John related to the girl?

a) Brother
b) Uncle
c) Cousin
d) Father

Answer:

a) Brother

Explanation:

John's grandfather's only child is John's parent, so the girl is John's sister.

26. If A is the brother of B, C is the father of A, D is the brother of E, E is the daughter of B, how is D related to C?

a) Grandson
b) Nephew
c) Son
d) Brother

Answer:

a) Grandson

Explanation:

Since E is the daughter of B and D is the brother of E, and A is the brother of B and C is the father of A, D is the grandson of C.

27. Eliza says, "The only son of my mother's mother is my mother's brother." How is Eliza related to her mother's brother?

a) Daughter
b) Niece
c) Sister
d) Cousin

Answer:

b) Niece

Explanation:

Eliza's mother's mother is her grandmother, and her only son is Eliza's mother's brother, making Eliza his niece.

28. If P is the father of Q and R is the son of S, and P is S's husband, how is R related to Q?

a) Brother
b) Son
c) Father
d) Cousin

Answer:

b) Son

Explanation:

Since P is the father of Q and also S's husband, R being the son of S makes R the son of Q.

29. A woman pointing to a man says, "His wife is the only daughter of my father." How is the woman related to the man?

a) Wife
b) Sister
c) Daughter-in-law
d) Mother-in-law

Answer:

a) Wife

Explanation:

The only daughter of the woman's father is the woman herself, so she is the wife of the man.

30. Tom is the father of Joe. Joe is the son of Anne. How is Anne related to Tom?

a) Wife
b) Sister
c) Mother
d) Daughter

Answer:

a) Wife

Explanation:

Since Joe is the son of both Tom and Anne, Anne is Tom's wife.

31. If M is the sister of N, and O is the mother of M, P is the father of N, how is O related to P?

a) Wife
b) Sister
c) Daughter
d) Mother

Answer:

a) Wife

Explanation:

Since O is the mother of M, who is the sister of N, and P is N's father, O is P's wife.

32. Pointing to a boy, Lisa says, "He is the son of my mother's only son." How is Lisa related to the boy?

a) Mother
b) Sister
c) Aunt
d) Cousin

Answer:

a) Mother

Explanation:

Lisa's mother's only son is Lisa's brother, making the boy Lisa's son.

33. A man says, "My sister's father is my father." How is the man's sister related to him?

a) Daughter
b) Mother
c) Sister
d) Aunt

Answer:

c) Sister

Explanation:

The man's sister shares the same father, so she is his sister.

34. If L is the brother of M, who is the sister of N, and O is the father of L, how is M related to O?

a) Daughter
b) Son
c) Niece
d) Cousin

Answer:

a) Daughter

Explanation:

Since L is the brother of M and O is the father of L, M is O's daughter.

35. Pointing to a girl, a boy says, "She is the daughter of my father's wife but she is not my sister." How is the girl related to the boy?

a) Cousin
b) Mother
c) Stepmother
d) Half-sister

Answer:

d) Half-sister

Explanation:

The girl is the daughter of the boy's father's wife but not his sister, indicating that they share one parent, making her his half-sister.

36. If A is the son of B, and B is the daughter of C, how is A related to C?

a) Grandson
b) Nephew
c) Son
d) Brother

Answer:

a) Grandson

Explanation:

Since B is the daughter of C and A is the son of B, A is the grandson of C.

37. A man says, "The only sister of my father is my mother's mother." How is the man related to his father's sister?

a) Nephew
b) Son
c) Grandson
d) Brother

Answer:

c) Grandson

Explanation:

The man's father's only sister is his grandmother, making the man her grandson.

38. Pointing to a photograph, a lady says, "The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the lady's brother?

a) Sister
b) Wife
c) Cousin
d) Sister-in-law

Answer:

b) Wife

Explanation:

The lady in the photograph is the maternal grandmother of the lady's nephew, making her the lady's brother's wife.

39. If D is the brother of E, F is the mother of D, and G is the father of E, how is F related to G?

a) Wife
b) Sister
c) Daughter-in-law
d) Sister-in-law

Answer:

a) Wife

Explanation:

Since D and E are siblings and F is D's mother and G is E's father, F is G's wife.

40. A girl says, "My mother's brother is the father of your son." How is the girl related to the person she is speaking to?

a) Wife
b) Sister
c) Mother
d) Daughter-in-law

Answer:

d) Daughter-in-law

Explanation:

The girl's mother's brother is the father of the listener's son, making the girl the listener's daughter-in-law.

41. If P is the father of Q, and R is the son of S, who is the wife of P, how is R related to Q?

a) Brother
b) Cousin
c) Nephew
d) Son

Answer:

a) Brother

Explanation:

Since P is the father of Q and S, who is P's wife, is the mother of R, R is the brother of Q.

42. A woman says, "The father of my son is the only son of your mother." How is the woman related to the person she is speaking to?

a) Wife
b) Sister
c) Daughter
d) Mother

Answer:

a) Wife

Explanation:

The father of the woman's son is the only son of the listener's mother, making the woman the listener's wife.

43. If L is the brother of M, N is the sister of O, L is the son of N, how is M related to O?

a) Niece
b) Nephew
c) Daughter
d) Son

Answer:

b) Nephew

Explanation:

Since L is the son of N and the brother of M, and N is the sister of O, M is the nephew of O.

44. Pointing to a man, a woman says, "His mother is the wife of my father's son." How is the woman related to the man?

a) Mother
b) Sister
c) Aunt
d) Cousin

Answer:

a) Mother

Explanation:

The man's mother is the wife of the woman's father's son, which indicates that the woman is the man's mother.

45. If A's father is B, and B's mother is C, how is C related to A?

a) Grandmother
b) Mother
c) Aunt
d) Sister

Answer:

a) Grandmother

Explanation:

Since A's father is B and B's mother is C, C is A's grandmother.

46. A boy says, "I have as many brothers as sisters." His sister says, "I have twice as many brothers as sisters." How many children are there in the family?

a) 4
b) 5
c) 6
d) 7

Answer:

b) 5

Explanation:

If the boy has as many brothers as sisters, there must be one more brother than sister. The sister having twice as many brothers as sisters confirms this.

47. If R is the brother of S, T is the sister of S, and U is the father of R, how is T related to U?

a) Daughter
b) Niece
c) Cousin
d) Aunt

Answer:

a) Daughter

Explanation:

Since R is the brother of S and T is the sister of S, and U is the father of R, T is the daughter of U.

48. Pointing to a lady, a man says, "Her only brother is the father of my daughter's father." How is the lady related to the man?

a) Mother
b) Sister
c) Aunt
d) Grandmother

Answer:

c) Aunt

Explanation:

The lady's only brother is the grandfather of the man's daughter, making the lady the man's aunt.

49. If P is the father of Q and R is the daughter of S, T is the sister of R. If T is the daughter of Q, how is S related to P?

a) Wife
b) Sister
c) Daughter-in-law
d) Sister-in-law

Answer:

c) Daughter-in-law

Explanation:

Since T is the daughter of Q and the sister of R, and R is the daughter of S, S is P's daughter-in-law.

50. A woman says, "The brother of my uncle is the father of my cousin." Who is the cousin to the woman?

a) Brother
b) Sister
c) Uncle
d) Nephew

Answer:

a) Brother

Explanation:

The brother of the woman's uncle is her father, so her cousin is her brother.


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