Exams › IBPS PO › Reasoning

Eight members A, B, M, N, O, P, Q and R are living in a family in which there are only two married couples. Which of the following statements is sufficient to determine the family relations?

1. A is the sister-in-law of P, who is the mother-in-law of A, who is unmarried. B is the father of N. Q is not the wife of N. N, who is married, is not the sibling of M.
2. A is married to B. N is the father of O. M is the father of M. M is the sibling of N.
3. A is the sister-in-law of P, who is the mother-in-law of A, who is unmarried. B is the father of N. Q is not the wife of N. N, who is married, is not the sibling of M.
4. A is married to B. N is the father of O. M is the father of M. M is the sibling of N.

Correct answer: A is married to B. N is the father of O. M is the father of M. M is the sibling of N.

Solution

The sufficient statement is the one that gives direct relationship links needed to form the family structure. Option B provides marriage and parent/sibling relations, making it the most usable base for determining the family tree.

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