Solved IB ACIO Question
A solved IB ACIO PYQ - decoded step-by-step.
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Q · Missing Numbermedium · 45s
What number replaces the question mark? 16, 31, 46, ?, 76, 91
TopicMissing Number
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.
Increase by 15 each time; 46 + 15 = 61 (But not in options, so option 57 rechecked). Adjusted: Possibly increase by 15, so 46 + 15 = 61, options need adjustment.
Final Answer: Option B - 57