Solved IB ACIO Question
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Q · Blood Relationsmedium · 45s
Pointing to a man, a woman said, "He is the son of my grandfather’s only son." How is the woman related to the man?
TopicBlood Relations
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
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Step-by-Step Solution
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Every step explained — no skipped algebra.
The man's father is the woman's father (since he is the son of her grandfather’s only son). Hence, the man is the woman's brother and she is his sister.
Final Answer: Option A — Sister