Pointng out to a lady, a girl said, "She is the daughter-in-law of the grandmother of my father's only son."
How is the lady related to the girl ?
Option:
A. Sister-in-law
B. Mother
C. Aunt
D. Mother-in-law
E. Cousin
Answer: B . Mother
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Justification:
My father's only son -- My brother;
Grandmother of my brother - My grandmother:
Daughter-in-law of my grandmother -- My mother.
So, the lady is girl's mother.
