Solved IB ACIO Question
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Q · Mathematical Operationsmedium · 45s
If + means ÷, – means ×, × means +, ÷ means –, evaluate: 40 + 20 – 10 × 5 ÷ 2
TopicMathematical Operations
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.
Expression: 40 ÷ 20 × 10 + 5 – 2. Calculate: 2 × 10 + 5 – 2 = 23.
Final Answer: Option A — 23