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? 5, 10, 17, 26, 37, ?
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.
Differences are +5, +7, +9, +11, next increase is 13; 37 + 13 = 50.
Final Answer: Option B — 47