Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
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Q · Mathematical Operationsmedium · 45s
If + means ×, – means +, × means ÷, ÷ means –, find: 15 + 10 – 5 × 6 ÷ 3
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: 15 × 10 + 5 ÷ 6 – 3 ≈ 150 + 0.83 – 3 = 147.83.
Final Answer: Option A — 147