Solved IB ACIO Question
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Q · Order and Rankingmedium · 45s
Five students are standing in a line. A is 3rd from the front, B is 5th from the back. What is the total number of students?
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.
Total students = A’s position + B’s position - 1 = 3 + 5 - 1 = 7.
Final Answer: Option C — 9