Solved IB ACIO Question
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Q · Mathematical Operationsmedium · 45s
Operators changed as + to –, – to ×, × to ÷, ÷ to +. Evaluate: 25 + 15 – 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: 25 – 15 × 10 + 5 ÷ 2. Calculate: 25 – 150 + 2.5 = –122.5 (rounded to –123).
Final Answer: Option D - 123