K is brother of T. M is mother of K. W is brother of M. How is W related to T

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?

If P*Q- S, which of the following is true?

A woman introduces a man as the son of the brother of her mother. How is the man related to the woman?

X-Z means X is the mother of Z;X*Z means X is the father of Z and X+Z means X is the daughter of Z.Now ,if M-N*T+Q than which of the following is not true?

If P $ Q means P is the father of Q; P # Q means P is the mother of Q and P * Q means P is the sister of Q, then N # L $ P * Q shows which of the relation of Q to N?

V's son Z is married with C whose sister X is married to E the brother of Z. How X is related to V?

Q is the brother of R; P is the sister of Q;T is the brother of S; S is the daughter of R.who are the cousins of Q?

If E is the brother of F; F is the sister of G; and G is the father of H, how H is related to E?

Pointing to a boy, Mrs. Mira said, “He is the only son of my grandfather’s only child". How is the boy related to Mrs. Mira?