Solved IB ACIO Question
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Q · Order and Rankingmedium · 45s
In a class of 42 students, Sonam’s rank is twelfth from last. If Sona is six ranks ahead of Sonam, what is Sona’s rank from the Start?
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.
Sona’s rank from last = 12 + 6 = 18
∴ Sona’s rank from start = 42 – 18 + 1 = 25
Final Answer: Option D - 25