Solved IB ACIO Question
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Q · Order and Rankingmedium · 45s
If you are 9th person in a queue starting from one end and 11th from another end, what is the number of persons in the queue?
TopicOrder and Ranking
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.
Number of persons in the queue = 9 + 11 – 1 = 19
Final Answer: Option B - 19