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In a family, M is the sister of N and O is the brother of N. If P is the father of M and O, what is the relationship between M and O?

Question and options

In a family, M is the sister of N and O is the brother of N. If P is the father of M and O, what is the relationship between M and O?
  1. Cousins
  2. Brother and sister
  3. Step-siblings
  4. No direct relationship

Answer and explanation

Correct answer: B - Brother and sister
M is N's sister, O is N's brother, and P is the father of both M and O, so M and O are full siblings: brother and sister.

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  • CUSAT CAT M.Sc. Bioethics

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