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P and Q are married to each other. P is the father of M. M is the sister of N. N is the mother of X. X is the daughter of Y. Y is the only son-in-law of P. How is X related to P?
Granddaughter
Daughter
Grandson
Niece
Granddaughter
Visualize P and Q as the top generation and trace the lineage downwards: P is parent of M, M is sibling of N, N is mother of X; therefore, X is the grandchild of P.
Visualize P and Q as the top generation and trace the lineage downwards: P is parent of M, M is sibling of N, N is mother of X; therefore, X is the grandchild of P.
Establish the first generation
P and Q are married. P is the father of M. M is the sister of N. Since M and N are siblings, they share the same parents (P and Q).
Trace the second generation
N is the mother of X. Since N is a child of P, and X is the child of N, X belongs to the third generation relative to P.
Confirm the relationship
X is the child of N, and N is the child of P. Therefore, X is the grandchild of P. Given X is a daughter, X is the granddaughter of P.
B: Daughter is incorrect as X belongs to the generation of P's grandchildren. C: Grandson is incorrect because X is explicitly defined as a daughter. D: Niece is incorrect because X is the child of P's daughter N, making her a grandchild, not a niece.
A is correct because X is the daughter of N, who is the daughter of P, making X the granddaughter of P.
In blood relations, always sketch a simple family tree if you get confused. Use + for males, - for females, and = for married couples to save time.