A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C? MCQ with Answer and Explanation

A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C?
A. Grandfather
B. Brother
C. Uncle
D. Father
Answer: Option C
Solution (By JKSSB Mock Tests)
A's son is the brother of D, and since C and D are sisters, A is the father of A's son, D, and C. Since B is the brother of A, B is the paternal uncle of C.

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Practice More Blood Relation Questions

Question #1
‘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's father
B. maternal uncle
C. father in law
D. Father

Correct Answer: Option C


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.

This question belongs to: Reasoning Blood Relation
Question #2
'A # B' means 'A is the sister of B'. 'A @ B' means 'A is the son of B'. 'A & B' means 'A is the husband of B'. 'A % B' means 'A is the wife of B'. If 'G & H # I % J @ K & L', then what is the relationship of I to L?
A. Daughter
B. Daughter-in-law
C. Mother-in-law
D. Granddaughter

Correct Answer: Option C


Explanation:
I is the wife of J. J is the son of K. K is the husband of L. Hence, I is the wife of L's son, i.e., L's daughter-in-law. The printed options appear to contain an error.

This question belongs to: Reasoning Blood Relation
Question #3
A + B means 'A is the father of B';
A-B means 'A is the sister of B';
A × B means 'A is the brother of B';
A + B means 'A is the mother of B';
If, U+ HL-Q+R-Y, then how is L related to Y?
A. Uncle
B. grandmother
C. Aunt
D. Sister

Correct Answer: Option C


Explanation:
Evaluating the relationship symbols strictly through generation lines shows L is in the parental generation and female relative to Y, making her an aunt.

This question belongs to: Reasoning Blood Relation