Q72. In a family, A is the father of X. B is the mother of Y. The sister of X and Z is Y. Which of the following statements is definitely not true?

Q72. In a family, A is the father of X. B is the mother of Y. The sist

1.	Q72. In a family, A is the father of X. B is the mother of Y. The sister of X and Z is Y. Which of the following statements is definitely not true?
Answer» Q72. In a family, A is the father of X. B is the mother of Y. The sister of X and Z is Y. Which of the following statements is definitely not true?