Question

(i) M is the brother of N;
(ii) B is the brother of N; and
(iii) M is the brother of D;
Which of the following statements is definitely true ?

• A. N is the brother of B
• B. N is the brother of D
• C. M is the brother of B
• D. D is the brother of M
• E. None of these

Answer 1

Answer: (C)

M is the brother of B

From the given, it can be concluded that

M is the brother of N and D.

B is the brother of N.

But we do not know whether N is their brother or sister.

So, surely we can only conclude that M is the brother of B.

option C.