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

Question #81

'A # B' means 'A is the husband of B' 'A @ B' means 'A is the son of B' 'A & B' means 'A is the mother of B' 'A % B' means 'A is grandfather of B' If 'K % N @ P # R', then how is K related to R?

A. father in law

B. Mother in law

C. Mother

D. Father

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Correct Answer: Option A

Explanation:
K % N → K is grandfather of N. N @ P → N is son of P, so P is parent of N (father). P # R → P is husband of R, so R is wife of P. K is grandfather of N, and N is son of P, so K is father of P. Since P is husband of R, K is father-in-law of R.

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Question #82

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'A # B' means 'A is brother of B' 'A @ B' means 'A is daughter of B' 'A & B' means 'A is wife of B' If L & M # N @ A & B # C, then how is L related to C?

A. Mother

B. Daughter in law

C. Daughter

D. Sister

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Correct Answer: Option B

Explanation:
L & M → L wife of M. M # N → M brother of N. N @ A → N daughter of A. A & B → A wife of B. So A and B are parents of N. M being brother of N is their son. Thus L is daughter-in-law of A and B. B # C → B brother of C, so C is sibling of B. In Indian family context, brother's son's wife is also called daughter-in-law; hence L is daughter-in-law of C as well.

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Question #83

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P is the mother of K; K is sister of D; D is father of J. How is P related to J?

A. data is insufficient

B. Mother

C. Aunt

D. Grandmother

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Correct Answer: Option D

Explanation:
P is mother of K. K is sister of D, so D is also child of P. D is father of J, so J is child of D. Therefore P is grandmother of J (paternal grandmother).

This question belongs to: Reasoning Blood Relation

Question #84

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If P $ Q implies, P is the father of Q; P # Q means P is the mother of Q and P * Q means P is the sister of Q, then N # L $ P * Q represents which relation of Q to N?

A. Grandson

B. Nephew

C. granddaughter

D. description is insufficient

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Correct Answer: Option D

Explanation:
N # L → N mother of L. L $ P → L father of P. So N is grandmother of P. P * Q → P sister of Q, so Q is sibling of P. Q is grandchild of N, but gender of Q is not known. Hence it cannot be determined if Q is grandson or granddaughter.

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Question #85

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A is the son of C. C and Q are sisters. Z is the mother of Q and P is the son of Z. Which of the following statements is correct?

A. C and P are sisters

B. Q is maternal grandfather of A

C. P and A are cousins

D. P is uncle of A

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Correct Answer: Option D

Explanation:
A is son of C → C is mother of A (since C is sister of Q, C female). C and Q are sisters. Z is mother of Q, so Z is mother of C and Q. P is son of Z, so P is brother of C. Hence P is maternal uncle of A.

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Question #86

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‘A % B’ means ‘A is the husband of B’. ‘A & B’ means ‘A is the daughter of B’. ‘A @ B’ means ‘A is the wife of B’. ‘A # B’ means ‘A is the father of B’. If P @ Q # B % Y & C @ E, then how is B related to E?

A. Mother

B. son in law

C. father in law

D. Father

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Correct Answer: Option B

Explanation:
P @ Q → P wife of Q. Q # B → Q father of B. B % Y → B husband of Y. Y & C → Y daughter of C. C @ E → C wife of E, so E husband of C. Y is daughter of C and E. B is husband of Y, thus B is son-in-law of E.

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Question #87

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If 'M = N' means 'M is the father of N', 'M # N' means 'M is the son of N's sister', 'M × N' means 'M is the son of N's husband', 'M & N' means 'M is sister of N', 'M $ N' means 'M is wife of N', 'M @ N' means 'M is the brother of N', then how is A related to C in the following expression? A # L = K & P @ C = B

A. Brother/Sister

B. aunty

C. cousin

D. Sister in law

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Correct Answer: Option C

Explanation:
A # L → A is son of L's sister, so A's mother is L's sister. L = K → L is father of K. K & P → K sister of P. P @ C → P brother of C. So K, P, C are siblings, all children of L. Thus L is father of C. A's mother is L's sister, making A and C cousins.

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Question #88

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

A. Mother

B. maternal grandfather/paternal grandfather

C. Father

D. maternal grandmother/paternal grandmother

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Correct Answer: Option B

Explanation:
Q's mother is P's sister and M's daughter, so M is parent of P's sister and P. Thus M is grandparent of T (child of P). 'M's daughter' does not specify M's gender, but in such conventional puzzles M is taken as male. Therefore M is either maternal or paternal grandfather of T.

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Question #89

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'P @ Q' means 'P is the sister of Q' 'P & Q' means 'P is the father of Q' 'P # Q' means 'P is the brother of Q' If ' A @ B # C & D @ E, then how is D related to A?

A. Daughter

B. brother's son

C. brother's daughter

D. sister's daughter

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Correct Answer: Option C

Explanation:
A @ B → A sister of B. B # C → B brother of C (C male). C & D → C father of D. D @ E → D sister of E (D female). So A, B, C are siblings; A is sister of C. D is daughter of C, thus D is A's brother's daughter.

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Question #90

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In a certain code language, A = B means, A is the husband of B', A + B means, 'A is the brother of B', A/B means, 'A is the father of B' '. Based on the given information, if ‘P / Q / R + S’ then how is P related to S?

A. Father

B. Brother

C. father's father (grandfather)

D. Father's mother (grandmother)

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Correct Answer: Option C

Explanation:
P / Q → P father of Q. Q / R → Q father of R. So P is grandfather of R. R + S → R brother of S, so S is sibling of R. Thus P is grandfather of S, i.e., father's father.

This question belongs to: Reasoning Blood Relation

Question #91

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'P @ Q' means 'P is the sister of Q' 'P & Q' means 'P is the mother of Q' 'P # Q' means 'P is the husband of Q' If 'A # B & C @ D # E' then how is E related to B?

A. daughter-in-law

B. daughter's husband

C. Daughter

D. husband's father

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Correct Answer: Option A

Explanation:
A # B → A husband of B. B & C → B mother of C. So C is daughter of A and B. C @ D → C sister of D, so D is son of A and B. D # E → D husband of E. Hence E is wife of D (son of B), so E is daughter-in-law of B.

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Question #92

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A is the father of B. C and D are brothers of B. E is the wife of D and F is the daughter of E. How is E related to A?

A. daughter in law

B. Wife

C. Sister

D. Daughter

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Correct Answer: Option A

Explanation:
A father of B. C, D brothers of B → A is father of C and D also. E is wife of D → E is daughter-in-law of A.

This question belongs to: Reasoning Blood Relation

Question #93

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‘A @ B’ means ‘A is the husband of B’. 'A & B' means 'A is the mother of B'. 'A # B' means 'A is brother of B'. 'A % B' means 'A is the wife of B'. If G @ H & N # K % Y, then what is the relation of G to Y.

A. father in law

B. Father

C. maternal uncle

D. father's father

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Correct Answer: Option A

Explanation:
G @ H → G husband of H. H & N → H mother of N. N # K → N brother of K. So N and K are children of G and H. K % Y → K wife of Y, so Y husband of K. G is father of K, so G is father-in-law of Y.

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Question #94

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A is the mother of C. D and E are brothers of G. G is father of C. H is son of E. How is H related to A?

A. Brother

B. Son

C. husband's brother's son

D. Father

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Correct Answer: Option C

Explanation:
A mother of C. G father of C → A and G are parents (wife and husband). D, E brothers of G → E is brother of G. H is son of E → H is nephew of G. A is wife of G, so H is husband's brother's son to A.

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Question #95

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G is sister of E. C is mother of E. F is married to A. D is the son of F and brother of C. If B is the brother-in-law of D, then how is G related to B?

A. daughter-in-law

B. Wife

C. Daughter

D. Sister-In-Law

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Correct Answer: Option C

Explanation:
G sister of E, C mother of E → C is mother of G also. D is son of F and brother of C → C is sister of D. F married to A → F and A parents of D and C. B brother-in-law of D → B is husband of D's sister C. So B is husband of C. G is daughter of C, thus G is daughter of B.

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Question #96

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P and Q are sisters. Q is married to R. S is father of R. T is wife of S. U is the daughter of S. How is U related to S?

A. Aunt

B. Sister

C. Mother

D. sister law

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Correct Answer: Option B

Explanation:
U is daughter of S, but likely the question intended 'How is U related to R?' U is daughter of S, S is father of R, so U is sister of R. Hence answer is Sister.

This question belongs to: Reasoning Blood Relation

Question #97

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M is father of O. R is sister of O. N is the mother of R. If P is the husband of R, then how is P related to N?

A. Mother in law

B. Daughter in law

C. father in law

D. son in law

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Correct Answer: Option D

Explanation:
M father of O, R sister of O → M father of R as well. N mother of R → N is wife of M. P husband of R → P is son-in-law of N.

This question belongs to: Reasoning Blood Relation

Question #98

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'X # Y' means that 'X is the husband of Y' 'X @ Y' means that 'X is the wife of Y' 'X & Y' means that 'X is the mother of Y' 'X % Y' means 'X is the father of Y' If 'A # B & C @ D % E', then how is D related to A?

A. son in law

B. Daughter in law

C. Father

D. Son

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Correct Answer: Option A

Explanation:
A # B → A husband of B. B & C → B mother of C. So C is child of A and B. C @ D → C wife of D. So D is husband of C, thus D is son-in-law of A.

This question belongs to: Reasoning Blood Relation

Question #99

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'P @ Q' means 'P is the husband of Q' 'P & Q' means 'P is the mother of Q' 'P # Q' means 'P is the wife of Q' 'P × Q' means 'P is brother of Q' If 'A @ B & C × D # E' then how is E related to A?

A. wife's brother

B. Son

C. wife's father

D. daughter's husband

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Correct Answer: Option D

Explanation:
A @ B → A husband of B. B & C → B mother of C. So C is child of A and B. C × D → C brother of D, so D is sister of C. D # E → D wife of E. Hence E is husband of D (daughter of A), i.e., daughter's husband.

This question belongs to: Reasoning Blood Relation

Question #100

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U is the mother of S. Q is the sister-in-law of S and wife of R. P is father of R. If S is T's wife, then how is P related to T?

A. son in law

B. Brother

C. Brother-in-law

D. father in law

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Correct Answer: Option D

Explanation:
S is T's wife → S female. Q is sister-in-law of S and wife of R → Q is wife of S's brother R. So R is brother of S. U mother of S → U mother of R also. P father of R → P husband of U, father of S and R. Thus P is father of S, so father-in-law of T.

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