Solved IB ACIO Question
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Q · Seating Arrangements (Linear, Circular and Rectangular / Triangular)medium · 45s
There are 6 people A, B, C, D, E, and F sitting in a row. B is to the immediate left of C. D is at one of the ends. A is to the immediate right of F. Who is sitting in the middle?
TopicSeating Arrangements (Linear, Circular and Rectangular / Triangular)
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
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Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
D is at one end, so place D at the left end for convenience. B is immediately left of C, so B sits just to the left of C. A is immediate right of F, so they sit together. The possible seating is D, B, C, E, F, A. The middle person (3rd position) is C. Hence, the answer is Option B.
Final Answer: Option B — C