If M is the sister of N, N is the son of O, and O is the mother of P, how is M related to P?

  • A. Sister
  • B. Mother
  • C. Aunt
  • D. Cousin

Explanation

N and P are both children of O, and M as N's sister shares those parents, so M and P are siblings and M is P's sister. All three belong to the same generation, which rules out aunt and mother. Grouping people by generation first is the fastest way through these chains.

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