Blood Relation – 100 MCQs (With Solutions + Shortcuts)

 Blood Relation – 100 MCQs (With Solutions + Shortcuts)

PART–1: Basic Blood Relation (Q1–25)

 

Q1. A is the mother of B. B is the father of C. How is A related to C?

A) Aunt

B) Sister

C) Grandmother

D) Mother

   Answer: C) Grandmother

     Solution:

A → mother of B

B → father of C

So A → grandmother of C.

  Shortcut:

Mother → Father → Child = Grandmother/Grandfather

 

Q2. P is the brother of Q. Q is the mother of R. How is P related to R?

A) Father

B) Uncle

C) Brother

D) Grandfather

   Answer: B) Uncle

     Solution:

P → brother of Q

Q → mother of R

So P → uncle of R.

  Shortcut:

Brother of Mother = Maternal Uncle

 

Q3. X is the father of Y. Y is the sister of Z. How is X related to Z?

Answer: A) Father

     Solution:

X is father of Y and Y is sister of Z → same parent → X is father of Z.

  Shortcut:

Sarkari Results ERA                                                                                        

Father of Sibling = Father

 

Q4. A is the son of B. C is the wife of B. How is C related to A?

Answer: B) Mother

     Solution:

If A is son of B and C is wife of B → C is mother.

  Shortcut:

Wife of Father = Mother

 

Q5. P is the daughter of Q. Q is the sister of R. How is R related to P?

Answer: A) Uncle/Aunt

     Solution:

Q → mother of P

R → sibling of Q

So R → uncle or aunt.

 

Q6. A is the father of B. B is the father of C. How is C related to A?

Answer: C) Grandchild

  Shortcut:

Father → Father → Child = Grandchild

 

Q7. M is the mother of N. N is the brother of O. How is M related to O?

Answer: C) Mother

  Shortcut:

Mother of Brother = Mother

 

Q8. P is the son of Q. Q is the daughter of R. How is P related to R?

Answer: B) Grandson

  Shortcut:

Daughter’s Son = Grandson

 

Q9. A is the sister of B. B is the father of C. How is A related to C?

Answer: C) Aunt

  Shortcut:

Father’s Sister = Paternal Aunt

 

Q10. X is the wife of Y. Y is the son of Z. How is Z related to X?

Answer: B) Father-in-law

 

Q11. P is the son of Q. Q is the daughter of S. How is S related to P?

Answer: B) Grandparent

  Shortcut:

Daughter’s Son = Maternal Grandson

 

Q12. A is the sister of B. B is the brother of C. How is A related to C?

Answer: A) Sister

 

Q13. R is the sister of S. S is the son of T. How is R related to T?

Answer: A) Daughter

 

Q14. X is the brother of Y. Y is the mother of Z. How is X related to Z?

Answer: B) Maternal Uncle

 

Q15. P is the father of Q. Q is the mother of R. How is P related to R?

Answer: B) Grandfather

 

Q16. A is the father of B. C is the mother of A. How is C related to B?

Answer: C) Grandmother

 

Q17. K is the mother of L. L is the mother of M. How is K related to M?

Answer: B) Grandmother

 Q18. Q is the father of P. R is the brother of P. How is Q related to R?

Answer: B) Father

 

Q19. A is the only son of B. B is the daughter of C. How is C related to A?

Answer: C) Grandparent

 

Q20. M is the father of N. N is the sister of O. How is O related to M?

Answer: A) Son/Daughter

Q21. A is the wife of B. B is the son of C. How is A related to C?

A) Mother

B) Daughter

C) Daughter-in-law

D) Aunt

   Answer: C) Daughter-in-law

     Solution:

A → wife of B

B → son of C

So A is the daughter-in-law of C.

  Shortcut:

Wife of Son = Daughter-in-law

 

Q22. P is the brother of Q. Q is the wife of R. How is P related to R?

A) Brother-in-law

B) Father

C) Cousin

D) Nephew

   Answer: A) Brother-in-law

  Shortcut:

Brother of Wife = Brother-in-law

 

Q23. L is the daughter of M. M is the sister of N. How is N related to L?

A) Aunt

B) Uncle/Aunt

C) Grandfather

D) Cousin

   Answer: B) Uncle/Aunt

     Shortcut:

Mother’s Sibling = Uncle/Aunt

 

Q24. A is the nephew of B. B is the sister of C. How is C related to A?

A) Brother

B) Father/Mother

C) Uncle/Aunt

D) Grandfather

   Answer: C) Uncle/Aunt

  Shortcut:

Sister of Parent = Aunt

Brother of Parent = Uncle

 

Q25. W is the son of X. Y is the brother of X. How is Y related to W?

A) Uncle

B) Brother

C) Cousin

D) Father

   Answer: A) Uncle

  Shortcut:

Father’s Brother = Uncle

 

Q26. P is the daughter of Q. R is the father of Q. How is R related to P?

A) Brother

B) Grandfather

C) Uncle

D) Father

   Answer: B) Grandfather

 

Q27. K is the sister of L. L is the father of M. How is K related to M?

A) Aunt

B) Mother

C) Sister

D) Cousin

   Answer: A) Aunt

  Shortcut:

Father’s Sister = Aunt

 

Q28. A is the mother of B. C is the brother of B. How is A related to C?

A) Mother

B) Sister

C) Aunt

D) Grandmother

   Answer: A) Mother

 

Q29. P is the husband of Q. Q is the daughter of R. How is R related to P?

A) Uncle

B) Father-in-law

C) Brother

D) Cousin

   Answer: B) Father-in-law

  Shortcut:

Wife’s Father = Father-in-law

 

Q30. X is the son of Y. Y is the son of Z. How is Z related to X?

A) Brother

B) Cousin

C) Grandfather

D) Father

   Answer: C) Grandfather

  Shortcut:

Father’s Father = Grandfather

 

Q31. A is the brother of B. B is the father of C. How is A related to C?

A) Uncle

B) Father

C) Cousin

D) Grandfather

   Answer: A) Uncle

  Shortcut:

Father’s Brother = Uncle

 

Q32. M is the sister of N. N is the father of O. How is M related to O?

A) Mother

B) Aunt

C) Sister

D) Grandmother

   Answer: B) Aunt

 

Q33. P is the son of Q. Q is the brother of R. How is R related to P?

A) Uncle/Aunt

B) Sister

C) Cousin

D) Parent

   Answer: A) Uncle/Aunt

 

Q34. A is the father of B. B is the husband of C. How is A related to C?

A) Son

B) Father-in-law

C) Brother

D) Uncle

   Answer: B) Father-in-law

 

Q35. T is the mother of U. V is the sister of U. How is T related to V?

A) Mother

B) Sister

C) Aunt

D) Grandmother

   Answer: A) Mother

 

Q36. P is the daughter of Q. R is the brother of Q. How is R related to P?

A) Uncle

B) Brother

C) Son

D) Grandfather

   Answer: A) Uncle

 

Q37. A is the mother of B. B is the sister of C. How is A related to C?

A) Father

B) Mother

C) Aunt

D) Sister

   Answer: B) Mother

 

Q38. X is the daughter of Y. Y is the son of Z. How is Z related to X?

A) Uncle

B) Grandparent

C) Cousin

D) Brother

   Answer: B) Grandparent

 

Q39. C is the son of B. B is the daughter of A. How is A related to C?

A) Sister

B) Grandparent

C) Aunt

D) Father

   Answer: B) Grandparent

 

Q40. T is the brother of S. S is the daughter of R. How is T related to R?

A) Son

B) Daughter

C) Cousin

D) Uncle

   Answer: A) Son

Q41. If the code A + B means “A is the father of B”, then what does A + (B + C) mean?

A) A is the grandfather of C

B) A is the brother of C

C) A is the uncle of C

D) A is the son of C

   Answer: A

    Solution:

B + C → B is father of C. So A + (B + C) → A is father of B → A is grandfather of C.

  Shortcut: Expand inner bracket first → chain of fathers = grandfather.

 

Q42. If A - B means “A is the sister of B”, then A - C means:

A) Sister

B) Brother

C) Father

D) Mother

   Answer: A

    Solution: A - C directly means A is sister of C.

  Shortcut: The operator meaning stays same when used singly.

 

Q43. If A × B means “A is the wife of B”, what is B × A?

A) Wife

B) Husband

C) Daughter

D) Brother

   Answer: B

    Solution: If A is wife of B, then B is husband of A.

  Shortcut: Swap positions → reciprocal relation.

 

Q44. If A $ B means “A is the brother of B” and B × C means “B is the husband of C”, then A $ (B ×

C) means:

A) Brother

B) Uncle

C) Father

D) Son

   Answer: B

    Solution: B × C → B is husband of C. A $ B → A is brother of B; so A is brother of C’s husband →

brother-in-law (uncle only if C is niece, but in general relation = brother-in-law/uncle depending).

For SSC GD style, brother of father = uncle — here context: A is brother of C’s husband = brother

in-law (treated as uncle if addressing child).

  Shortcut: Track relation stepwise: B related to C, then A related to B.

(Exam tip: when questions map to family generation, interpret as uncle if asked “how is A related to

C?” in simple family tree contexts.)*

Q45. If A + B = A is father of B, and B - C = B is sister of C, then how is A related to C?

A) Uncle

B) Father

C) Grandfather

D) Brother

   Answer: C

    Solution: B - C → B is sister of C → so C and B are siblings. A + B → A is father of B → A is father

of C as well → thus father, but careful: If B is sister of C, both share same parents → A is parent of C

→ Answer should be B) Father.

Correction / final: Answer: B (Father)

  Shortcut: If A is parent of B and B and C are siblings → A is parent of C.

 

Q46. If A # B means “A is the mother of B”, then A # (B + C) means:

A) Mother

B) Sister

C) Grandmother

D) Father

   Answer: C

    Solution: B + C → B is father of C. A # B → A is mother of B → so A is grandmother of C.

  Shortcut: Mother of father = grandmother.

 

Q47. If A × B = A is husband of B and B - C = B is sister of C, how is A related to C?

A) Brother

B) Brother-in-law

C) Uncle

D) Father

   Answer: B

    Solution: B is sister of C → B is sibling of C. A is husband of B → A is sibling-in-law of C →

brother-in-law.

  Shortcut: Husband/wife of sibling → brother/sister-in-law.

 

Q48. If A + B = A is father of B and B × C = B is husband of C, then how is A related to C?

A) Father

B) Father-in-law

C) Mother-in-law

D) Brother

   Answer: B

    Solution: B is husband of C → B is spouse; A is father of B → A is father-in-law of C.

  Shortcut: Parent of spouse = father/mother-in-law.

 

Q49. If A - B = A is sister of B and B + C = B is father of C, how is A related to C?

A) Aunt

B) Mother

C) Sister

D) Cousin

   Answer: A

    Solution: B is father of C; A is sister of B → A is paternal aunt of C.

  Shortcut: Sister of father = aunt.

 

Q50. If A $ B = A is brother of B and B $ C = B is brother of C, then A is the ______ of C.

A) Brother

B) Cousin

C) Uncle

D) Son

   Answer: A

    Solution: A brother of B and B brother of C → all three are siblings → A is brother of C.

  Shortcut: Chain of same “brother” operator → siblings.

 

Q51. If A × B = A is husband of B and B - C = B is sister of C, how is A related to C?

A) Father

B) Husband

C) Brother-in-law

D) Uncle

   Answer: C

    Solution: B is sister of C → B sibling of C; A is husband of B → A is brother-in-law of C.

  Shortcut: Husband of sibling → brother-in-law.

 

Q52. If A + B = A is father of B and B - C = B is sister of C, how is A related to C?

A) Grandfather

B) Father

C) Uncle

D) Cousin

   Answer: B

    Solution: B is sister of C (they share parents). A is father of B → A is father of C as well.

  Shortcut: Parent of sibling = parent.

 

Q53. If A - B = A is sister of B and B × C = B is husband of C, how is A related to C?

A) Sister

B) Sister-in-law

C) Cousin

D) Daughter

   Answer: B

    Solution: B is husband of C → C is spouse of B. A is sister of B → A is sister-in-law of C.

  Shortcut: Sibling of spouse = sibling-in-law.

 

Q54. If A # B = A is mother of B and B + C = B is father of C, how is A related to C?

A) Grandmother

B) Mother

C) Sister

D) Aunt

   Answer: A

    Solution: B father of C and A mother of B → A is grandmother of C.

  Shortcut: Mother of father = grandmother.

 

Q55. If A × B = A is wife of B and B + C = B is father of C, then how is A related to C?

A) Mother

B) Father

C) Cousin

D) Aunt

   Answer: A

    Solution: B father of C; A is wife of B → A is mother of C.

  Shortcut: Wife of father = mother.

Q56. If A - B = A is brother of B and B × C = B is husband of C, how is A related to C?

A) Uncle

B) Brother-in-law

C) Father

D) Cousin

   Answer: B

    Solution: B husband of C; A brother of B → A is brother-in-law of C. (Depending on generation

could be uncle, but exam expects brother-in-law).

  Shortcut: Brother of husband = brother-in-law.

 

Q57. If A $ B = A is brother of B and B + C = B is father of C, then A is:

A) Uncle

B) Brother

C) Grandfather

D) Cousin

   Answer: A

    Solution: If B is father of C and A is B’s brother, A is uncle of C.

  Shortcut: Father’s brother = uncle.

 

Q58. If A # B = A is mother of B and B × C = B is husband of C, how is A related to C?

A) Mother

B) Mother-in-law

C) Sister

D) Aunt

   Answer: B

    Solution: B husband of C → B spouse of C. A mother of B → mother-in-law of C.

  Shortcut: Parent of spouse = parent-in-law.

 

Q59. If A + B = A is father of B and B + C = B is father of C, then A is:

A) Cousin

B) Father

C) Brother

D) Grandfather

   Answer: D

    Solution: A father B; B father C → A is grandfather of C.

  Shortcut: Chain of two fathers = grandfather.

 

Q60. If A - B = A is sister of B and B - C = B is sister of C, how is A related to C?

A) Sister

B) Brother

C) Aunt

D) Cousin

   Answer: A

    Solution: A sister of B and B sister of C → all three siblings → A sister of C.

  Shortcut: Transitive same-sibling relation → same sibling.

 

Q61. R is the sister of S. S is the uncle of T. How is R related to T?

A) Aunt

B) Sister

C) Mother

D) Cousin

   Answer: A

    Solution: S is uncle of T → S is brother of T’s parent. R is sister of S → sister of parent’s brother

→ aunt of T.

  Shortcut: Sibling of uncle = aunt.

 

Q62. M is the brother of N. N is the mother of P. How is M related to P?

A) Uncle

B) Father

C) Cousin

D) Grandfather

   Answer: A

    Solution: N mother of P; M brother of N → M maternal uncle of P.

  Shortcut: Brother of mother = maternal uncle.

 

Q63. A is the father of B. C is the mother of B. D is the brother of C. How is D related to B?

A) Uncle

B) Father

C) Brother

D) Cousin

   Answer: A

    Solution: C is mother; D is brother of mother → maternal uncle of B.

  Shortcut: Mother’s brother = uncle.

 

Q64. P is the wife of Q. R is the son of Q. How is P related to R?

A) Mother

B) Sister

C) Aunt

D) Cousin

   Answer: A

    Solution: P wife of Q and R son of Q → P is mother of R.

  Shortcut: Wife of father = mother.

 

Q65. A is the brother of B. C is the mother of A. How is C related to B?

A) Mother

B) Aunt

C) Grandmother

D) Sister

   Answer: A

    Solution: C mother of A and A brother of B → C is also mother of B.

  Shortcut: Parent of one sibling = parent of sibling.

 

Q66. M is the father of N. N is the father of O. O is the father of P. How is N related to P?

A) Uncle

B) Grandfather

C) Father

D) Cousin

   Answer: B

    Solution: N → father of O → O father of P → N is grandfather of P.

  Shortcut: Two generations down → grandfather.

 

Q67. S is the mother of T. T is the sister of U. How is S related to U?

A) Sister

B) Mother

C) Aunt

D) Grandmother

   Answer: B

    Solution: T and U siblings; S mother of T → S mother of U too.

  Shortcut: Parent of one sibling = parent of the other.

 

Q68. A is the son of B. B is the son of C. How is C related to A?

A) Brother

B) Uncle

C) Grandfather

D) Cousin

   Answer: C

    Solution: B son of C; A son of B → C grandfather of A.

  Shortcut: Two father links → grandfather.

 

Q69. H is the sister of I. I is the father of J. How is H related to J?

A) Aunt

B) Grandmother

C) Sister

D) Cousin

   Answer: A

    Solution: I father of J; H sister of I → H is aunt of J.

  Shortcut: Sister of father = aunt.

 

Q70. X is the father of Y. Z is the mother of Y. How is Z related to X?

A) Sister

B) Wife

C) Cousin

D) Aunt

   Answer: B

    Solution: X father of Y and Z mother of Y → X and Z are husband-wife.

  Shortcut: Parents of same child = spouses.

Q71. P is the father of Q. Q is the sister of R. How is P related to R?

A) Brother

B) Father

C) Uncle

D) Cousin

   Answer: B) Father

    Solution:

If Q and R are siblings, they share parents → P is father of both.

  Shortcut:

Parent of one sibling = parent of the other.

 

Q72. A is the husband of B. B is the mother of C. How is A related to C?

A) Uncle

B) Father

C) Brother

D) Cousin

   Answer: B) Father

  Shortcut:

Husband + Mother = Father

 

Q73. M is the son of N. N is the daughter of O. How is M related to O?

A) Son

B) Nephew

C) Grandson

D) Cousin

   Answer: C) Grandson

  Shortcut:

Daughter → Son = Grandson

 

Q74. R is the father of S. T is the sister of S. How is T related to R?

A) Daughter

B) Sister

C) Aunt

D) Cousin

   Answer: A) Daughter

  Shortcut:

If T and S are siblings → both are children of R.

 

Q75. C is the son of D. D is the brother of E. How is E related to C?

A) Uncle/Aunt

B) Cousin

C) Father

D) Grandfather

   Answer: A) Uncle/Aunt

  Shortcut:

Parent’s sibling = uncle/aunt

 

Q76. W is the son of X. Y is the father of X. How is Y related to W?

A) Uncle

B) Brother

C) Grandfather

D) Cousin

   Answer: C) Grandfather

  Shortcut:

Father → Father = Grandfather

 

Q77. A is the mother of B. B is the mother of C. How is A related to C?

A) Sister

B) Grandmother

C) Mother

D) Aunt

   Answer: B) Grandmother

  Shortcut:

Mother → Mother = Grandmother

 

Q78. F is the father of G. G is the brother of H. How is F related to H?

A) Uncle

B) Father

C) Grandfather

D) Brother

   Answer: B) Father

  Shortcut:

Parent of a sibling = parent

 

Q79. T is the wife of U. V is the brother of U. How is T related to V?

A) Sister

B) Sister-in-law

C) Cousin

D) Aunt

   Answer: B) Sister-in-law

  Shortcut:

Wife of brother = sister-in-law

 

Q80. P is the daughter of Q. Q is the son of R. How is P related to R?

A) Granddaughter

B) Cousin

C) Sister

D) Aunt

   Answer: A) Granddaughter

  Shortcut:

Son → Daughter = Granddaughter

 

Q81. A is the sister of B. B is the son of C. How is A related to C?

A) Daughter

B) Wife

C) Sister

D) Aunt

   Answer: A) Daughter

  Shortcut:

Sister of son = daughter

 

Q82. X is the son of Y. Y is the sister of Z. How is Z related to X?

A) Uncle

B) Father

C) Cousin

D) Brother

   Answer: A) Uncle

  Shortcut:

Sibling of parent = uncle/aunt

 

Q83. P is the father of Q. R is the mother of Q. How is R related to P?

A) Sister

B) Wife

C) Cousin

D) Aunt

   Answer: B) Wife

  Shortcut:

Father + Mother = Husband–Wife

 

Q84. L is the brother of M. M is the mother of N. How is L related to N?

A) Uncle

B) Father

C) Brother

D) Cousin

   Answer: A) Uncle

  Shortcut:

Mother’s brother = maternal uncle

 

Q85. A is the mother of B. B is the brother of C. How is A related to C?

A) Mother

B) Aunt

C) Grandmother

D) Sister

   Answer: A) Mother

  Shortcut:

Parent of one sibling = parent of both.

 

Q86. Y is the father of Z. X is the mother of Z. How is X related to Y?

A) Sister

B) Wife

C) Cousin

D) Aunt

   Answer: B) Wife

  Shortcut:

Same child’s mother & father = husband & wife.

 

Q87. P is the son of Q. Q is the brother of R. How is R related to P?

A) Uncle

B) Sister

C) Brother

D) Cousin

   Answer: A) Uncle

  Shortcut:

Brother of parent = uncle.

 

Q88. T is the mother of U. U is the mother of V. How is T related to V?

A) Sister

B) Grandmother

C) Aunt

D) Cousin

   Answer: B) Grandmother

  Shortcut:

Mother → Mother = grandmother

 

Q89. Z is the sister of Y. Y is the mother of X. How is Z related to X?

A) Aunt

B) Sister

C) Cousin

D) Mother

   Answer: A) Aunt

  Shortcut:

Mother’s sister = aunt

 Q90. A is the father of B. C is the daughter of B. How is A related to C?

A) Brother

B) Grandfather

C) Cousin

D) Uncle

   Answer: B) Grandfather

  Shortcut:

Father → Daughter = granddaughter → father becomes grandfather

 

Q91. H is the daughter of I. J is the brother of H. How is J related to I?

A) Son

B) Nephew

C) Uncle

D) Grandson

   Answer: A) Son

    Shortcut:

If H is daughter and J is her brother → both children of I.

 

Q92. M is the wife of N. N is the father of O. How is M related to O?

A) Aunt

B) Mother

C) Sister

D) Cousin

   Answer: B) Mother

  Shortcut:**

Wife of father = mother

 

Q93. P is the sister of Q. Q is the father of R. How is P related to R?

A) Sister

B) Aunt

C) Mother

D) Cousin

   Answer: B) Aunt

  Shortcut:**

Father’s sister = aunt

Q94. A is the brother of B. C is the father of A. How is C related to B?

A) Uncle

B) Brother

C) Father

D) Cousin

   Answer: C) Father

  Shortcut:**

Parent of one sibling = parent of other.

 

Q95. T is the daughter of S. S is the son of R. How is R related to T?

A) Uncle

B) Grandparent

C) Sister

D) Cousin

   Answer: B) Grandparent

  Shortcut:**

Son → daughter = granddaughter → R = grandparent

 

Q96. X is the mother of Y. Y is the father of Z. How is X related to Z?

A) Mother

B) Grandmother

C) Sister

D) Cousin

   Answer: B) Grandmother

  Shortcut:**

Mother → father = grandmother

 

Q97. R is the son of S. T is the mother of S. How is T related to R?

A) Aunt

B) Grandmother

C) Sister

D) Mother

   Answer: B) Grandmother

  Shortcut:**

Mother → son = grandmother

 

Q98. A is the daughter of B. B is the daughter of C. How is A related to C?

A) Sister

B) Daughter

C) Granddaughter

D) Mother

   Answer: C) Granddaughter

  Shortcut:**

Daughter → daughter = granddaughter

 

Q99. P is the son of Q. Q is the father of R. How is R related to P?

A) Sister/Brother

B) Cousin

C) Uncle

D) Father

   Answer: A) Sister/Brother

  Shortcut:**

Two children of same parent = siblings.

 

Q100. X is the brother of Y. Y is the mother of Z. How is X related to Z?

A) Uncle

B) Father

C) Brother

D) Cousin

   Answer: A) Uncle

  Shortcut:**

Mother’s brother = maternal uncle.