100+ Blood Relations Questions with Answers
Practice 100+ important Blood Relations MCQs for SSC, Railway, Banking, Police, Defence and other competitive examinations. These questions cover family relationships, coded relations and logical family-tree problems.
1. Pointing to a man, Riya said, ‘He is the son of my mother’s only son.’ How is the man related to Riya?
Riya’s mother’s only son is Riya’s brother. His son is Riya’s nephew.
2. A is the brother of B. B is the sister of C. How is A related to C?
A is the brother of B, and B is C’s sister. Therefore, A is C’s brother.
3. P is the father of Q. Q is the mother of R. How is P related to R?
P is Q’s father, and Q is R’s mother. Hence, P is R’s maternal grandfather.
4. M is the sister of N. N is the father of O. How is M related to O?
M is the sister of O’s father, so M is O’s aunt.
5. X is the son of Y. Y is the daughter of Z. How is Z related to X?
Y is X’s parent and Z is Y’s parent. Therefore, Z is X’s grandparent.
6. A is the mother of B. B is the brother of C. How is A related to C?
A is B’s mother, and B and C are siblings. Thus, A is also C’s mother.
7. D is the daughter of E. E is the son of F. How is F related to D?
E is D’s father and F is E’s parent. Therefore, F is D’s grandparent.
8. K is the brother of L. L is the mother of M. How is K related to M?
K is the brother of M’s mother, so K is M’s maternal uncle.
9. T is the father of U. U is the brother of V. How is T related to V?
U and V are siblings, and T is U’s father. Hence, T is V’s father.
10. S is the daughter of T. T is the sister of W. How is W related to S?
T is S’s mother and W is T’s sibling. Thus, W is S’s maternal uncle or aunt.
11. If A is the father of B and B is the father of C, how is A related to C?
A is B’s father and B is C’s father, so A is C’s grandfather.
12. If P is the mother of Q and Q is the mother of R, how is P related to R?
P is Q’s mother and Q is R’s mother. Therefore, P is R’s grandmother.
13. If H is the sister of J and J is the brother of K, how is H related to K?
H and K are siblings because both are siblings of J. H is K’s sister.
14. If V is the son of W and W is the sister of X, how is X related to V?
W is V’s mother and X is W’s sibling. Therefore, X is V’s maternal uncle or aunt.
15. If R is the daughter of S and S is the brother of T, how is T related to R?
S is R’s father and T is S’s sibling. Thus, T is R’s paternal uncle or aunt.
16. If C is the wife of D and D is the brother of E, how is C related to E?
C is married to E’s brother D, so C is E’s sister-in-law.
17. If G is the husband of H and H is the sister of J, how is G related to J?
G is married to J’s sister H, so G is J’s brother-in-law.
18. If N is the daughter of O and O is the daughter of P, how is P related to N?
O is N’s mother and P is O’s parent. Therefore, P is N’s grandparent.
19. If B is the brother of C and C is the mother of D, how is B related to D?
B is the brother of D’s mother C, so B is D’s maternal uncle.
20. If F is the sister of G and G is the father of H, how is F related to H?
F is the sister of H’s father G, so F is H’s paternal aunt.
21. Pointing to a girl, Amit said, ‘She is the daughter of my father’s only daughter.’ How is the girl related to Amit?
Amit’s father’s only daughter is Amit’s sister. Her daughter is Amit’s niece.
22. Pointing to a woman, Neha said, ‘She is the wife of my mother’s only son.’ How is the woman related to Neha?
Neha’s mother’s only son is her brother. His wife is Neha’s sister-in-law.
23. Pointing to a boy, Raj said, ‘He is the son of my sister.’ How is the boy related to Raj?
The son of Raj’s sister is Raj’s nephew.
24. Pointing to a man, Seema said, ‘He is the husband of my daughter.’ How is the man related to Seema?
The husband of Seema’s daughter is her son-in-law.
25. Pointing to a woman, Mohan said, ‘She is the mother of my wife’s brother.’ How is the woman related to Mohan?
Mohan’s wife’s brother is her son, so his mother is Mohan’s mother-in-law.
26. A is the daughter of B. C is the wife of B. How is C related to A?
C is B’s wife and A is B’s daughter. C is A’s mother.
27. P is the son of Q. R is the husband of Q. How is R related to P?
R is Q’s husband and Q is P’s mother. Therefore, R is P’s father.
28. L is the wife of M. N is the daughter of M. How is L related to N?
L is M’s wife and N is M’s daughter. L is N’s mother.
29. U is the brother of V. V is the wife of W. How is U related to W?
U is the brother of W’s wife V, so U is W’s brother-in-law.
30. Y is the daughter of Z. Z is the sister of X. How is X related to Y?
Z is Y’s mother and X is Z’s sibling. Hence, X is Y’s maternal uncle or aunt.
31. A is the father of B. B is the father of C. How is A related to C?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
32. A is the mother of B. B is the sister of C. How is A related to C?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
33. A is the brother of B. B is the mother of C. How is A related to C?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
34. A is the sister of B. B is the father of C. How is A related to C?
The first person is the sister of the third person’s father, so she is the paternal aunt.
35. A is the son of B. B is the daughter of C. How is C related to A?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
36. P is the father of Q. Q is the father of R. How is P related to R?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
37. P is the mother of Q. Q is the sister of R. How is P related to R?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
38. P is the brother of Q. Q is the mother of R. How is P related to R?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
39. P is the sister of Q. Q is the father of R. How is P related to R?
The first person is the sister of the third person’s father, so she is the paternal aunt.
40. P is the son of Q. Q is the daughter of R. How is R related to P?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
41. D is the father of E. E is the father of F. How is D related to F?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
42. D is the mother of E. E is the sister of F. How is D related to F?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
43. D is the brother of E. E is the mother of F. How is D related to F?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
44. D is the sister of E. E is the father of F. How is D related to F?
The first person is the sister of the third person’s father, so she is the paternal aunt.
45. D is the son of E. E is the daughter of F. How is F related to D?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
46. G is the father of H. H is the father of J. How is G related to J?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
47. G is the mother of H. H is the sister of J. How is G related to J?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
48. G is the brother of H. H is the mother of J. How is G related to J?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
49. G is the sister of H. H is the father of J. How is G related to J?
The first person is the sister of the third person’s father, so she is the paternal aunt.
50. G is the son of H. H is the daughter of J. How is J related to G?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
51. K is the father of L. L is the father of M. How is K related to M?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
52. K is the mother of L. L is the sister of M. How is K related to M?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
53. K is the brother of L. L is the mother of M. How is K related to M?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
54. K is the sister of L. L is the father of M. How is K related to M?
The first person is the sister of the third person’s father, so she is the paternal aunt.
55. K is the son of L. L is the daughter of M. How is M related to K?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
56. N is the father of O. O is the father of P. How is N related to P?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
57. N is the mother of O. O is the sister of P. How is N related to P?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
58. N is the brother of O. O is the mother of P. How is N related to P?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
59. N is the sister of O. O is the father of P. How is N related to P?
The first person is the sister of the third person’s father, so she is the paternal aunt.
60. N is the son of O. O is the daughter of P. How is P related to N?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
61. R is the father of S. S is the father of T. How is R related to T?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
62. R is the mother of S. S is the sister of T. How is R related to T?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
63. R is the brother of S. S is the mother of T. How is R related to T?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
64. R is the sister of S. S is the father of T. How is R related to T?
The first person is the sister of the third person’s father, so she is the paternal aunt.
65. R is the son of S. S is the daughter of T. How is T related to R?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
66. U is the father of V. V is the father of W. How is U related to W?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
67. U is the mother of V. V is the sister of W. How is U related to W?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
68. U is the brother of V. V is the mother of W. How is U related to W?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
69. U is the sister of V. V is the father of W. How is U related to W?
The first person is the sister of the third person’s father, so she is the paternal aunt.
70. U is the son of V. V is the daughter of W. How is W related to U?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
71. X is the father of Y. Y is the father of Z. How is X related to Z?
The first person is the father of the second, who is the father of the third. Thus, the first person is the third person’s grandfather.
72. X is the mother of Y. Y is the sister of Z. How is X related to Z?
The second and third persons are siblings, and the first is the second person’s mother. Therefore, the first is the third person’s mother.
73. X is the brother of Y. Y is the mother of Z. How is X related to Z?
The first person is the brother of the third person’s mother, so he is the maternal uncle.
74. X is the sister of Y. Y is the father of Z. How is X related to Z?
The first person is the sister of the third person’s father, so she is the paternal aunt.
75. X is the son of Y. Y is the daughter of Z. How is Z related to X?
The second person is the parent of the first, and the third is the parent of the second. Therefore, the third is the first person’s grandparent.
76. A is the brother of B. B is the mother of C. How is A related to C?
A is the brother of C’s mother, so A is C’s maternal uncle.
77. P is the sister of Q. Q is the father of R. How is P related to R?
P is the sister of R’s father, so P is R’s paternal aunt.
78. M is the son of N. N is the brother of O. How is O related to M?
O is the sibling of M’s parent N, so O is M’s uncle or aunt.
79. X is the daughter of Y. Y is the brother of Z. How is Z related to X?
Z is the sibling of X’s father Y, so Z is X’s paternal uncle or aunt.
80. R is the wife of S. S is the son of T. How is R related to T?
R is married to T’s son S, so R is T’s daughter-in-law.
81. C is the husband of D. D is the daughter of E. How is C related to E?
C is married to E’s daughter D, so C is E’s son-in-law.
82. G is the daughter of H. H is the sister of J. How is G related to J?
G is the daughter of J’s sister H, so G is J’s niece.
83. V is the son of W. W is the brother of X. How is V related to X?
V is the son of X’s brother W, so V is X’s nephew.
84. L is the mother of M. M is the husband of N. How is L related to N?
L is the mother of N’s husband M, so L is N’s mother-in-law.
85. B is the daughter of C. C is the husband of D. How is D related to B?
D is C’s wife and B is C’s daughter, so D is B’s mother.
86. If A is the son of B and C is the daughter of A, how is B related to C?
A is C’s parent and B is A’s parent, so B is C’s grandparent.
87. If P is the daughter of Q and R is the son of P, how is Q related to R?
P is R’s mother and Q is P’s parent, so Q is R’s grandparent.
88. If D is the sister of E and F is the son of D, how is E related to F?
E is the sibling of F’s mother D, so E is F’s maternal uncle or aunt.
89. If H is the brother of J and K is the daughter of H, how is J related to K?
J is the sibling of K’s father H, so J is K’s paternal uncle or aunt.
90. If U is the wife of V and W is the mother of V, how is W related to U?
W is the mother of U’s husband V, so W is U’s mother-in-law.
91. Pointing to a boy, Tina said, ‘He is the brother of my daughter.’ How is the boy related to Tina?
The brother of Tina’s daughter is also Tina’s son.
92. Pointing to a woman, Ravi said, ‘She is the daughter of my father’s brother.’ How is the woman related to Ravi?
The daughter of Ravi’s paternal uncle is Ravi’s cousin.
93. Pointing to a man, Kiran said, ‘He is the son of my mother’s sister.’ How is the man related to Kiran?
The son of Kiran’s maternal aunt is Kiran’s maternal cousin.
94. A is married to B. B is the sister of C. How is A related to C?
A is married to C’s sister B, so A is C’s brother-in-law or sister-in-law.
95. P is the brother of Q. Q is married to R. How is P related to R?
P is the brother of R’s spouse Q, so P is R’s brother-in-law.
96. M is the mother of N. O is the husband of M. How is O related to N?
O is M’s husband and M is N’s mother, so O is N’s father.
97. X is the father of Y. Z is the wife of X. How is Z related to Y?
Z is the wife of Y’s father X, so Z is Y’s mother.
98. R is the sister of S. T is the son of R. How is S related to T?
S is the sibling of T’s mother R, so S is T’s maternal uncle or aunt.
99. C is the father of D. E is the daughter of D. How is C related to E?
D is E’s parent and C is D’s father, so C is E’s grandfather.
100. G is the mother of H. H is the father of J. How is G related to J?
G is H’s mother and H is J’s father, so G is J’s grandmother.
Regular practice of Blood Relations questions helps you understand family trees, identify relationships quickly and improve logical reasoning speed and accuracy in competitive examinations.
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