P is sister of Q. Q is the wife of R. S and R are brothers. What is P to R?

Rahul and Robin are brothers. Pramod is father of Robin. Sheela is sister of Pramod. Sudha is maternal granddaughter of Sheela. Who is Rahul to Sudha?

If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle o…

P is the mother of Q, but Q is not the son of P, then who is Q to P?

P+Q' means P is the daughter of Q, 'P-Q' means P is the husband of Q, and 'P×Q' means P is the brother of Q. Which is true for A+B×C?

P is the mother of K; K is the sister of D; D is the father of J. How is P related to J?