P + Q means P is the brother of Q; P - Q means P is the mother of Q and P * Q means P is the sister of Q. Which of the following means M is the maternal uncle of R ?

C. M + K - R

If  (A) P + Q means P is the brother of Q ;
    (B) P x Q means P is the father of Q ;
    (C) P - Q means P is the sister of Q ;
which of the following represents S is the niece of T ?

C. T + M X S - K

If A + B means A is the brother of B; A / B means A is the father of B and A * B means A is the sister of B, which of the following means M is the uncle of P ?

D. M + K / T * P

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

C. M IS BROTHER OF B

Pointing to an old man, Kailash said, "His son is my son`s uncle". How is the old man related to Kailash ?

C. FATHER