How is M related to N?

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Question

Study the following information carefully and answer the questions given below. O is the only daughter of B, who is the brother-in-law of M. P is the brother of Q. N is the father of Q but is neither the spouse of O nor B, who doesn’t have any siblings. C is the son-in-law of D, who is the maternal aunt of Q. The number of males in the family is more than the number of females in the family. Both the parents are alive in the family.