Correct option is A
Given:
A and B is a married couple.
C and D are brothers.
C is the brother of A.

From the given information blood relation diagram will be.

D is brother-in-law of B.
Thus, correct option (a).
A and B is a married couple. C and D are brothers. C is the brother of A. How is D related to B?


F is the brother of G. G is the husband of H. H is the daughter of I. I is the wife of J. How is F related to J?
Z is the wife of S. M and C are daughters of S. T is the daughter of C. How is M related to T?
F is the husband of G. G is the mother of H. H is the wife of I. I is the father of J. How is F related to J?
Suggested Test Series
Suggested Test Series