Introducing a man to her husband, a woman said, "his brother's father is the only son of my grandfather."
How is the woman related to his man ?
Option:
A. Mother
B. Aunt
C. Sister
D. Daughter
E. Grandmother
Answer: C . Sister
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Justification:
Only son of her grandfather -- Her father;
Man's brother's father -- man's father.
So, man's father is her father i.e., She is the man's sister.
