Solved IB ACIO Question
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Q · Blood Relationsmedium · 45s
A woman says, "This boy is the son of the only son of my grandfather." How is the woman related to the boy?
TopicBlood Relations
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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"My grandfather’s only son" is the woman’s father. The boy is that father's son, i.e., the woman’s brother — so she is his sister.
Final Answer: Option B - Sister