1.  If (i) M is brother of N; (ii) B is brother of N; and (iii) M is brother of D, then which of the following statements is definitely true?

A. N is brother of B
B. N is brothers of D
C. M is brothers of B
D. D is brother of M

Answer: Option C

Explanation:

M is the brother of N and B is the brother of N.so, M is the brother of B.