Solved IB ACIO Question
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Q · Blood Relationsmedium · 45s
If P is the father of Q, Q is the brother of R, and R is the father of S, how is P related to S?
TopicBlood Relations
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
P is father of Q and R (Q and R are brothers), and R is father of S. Therefore, P is grandfather of S.
Final Answer: Option A — Grandfather