Solved IB ACIO Question
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Q · Missing Numbermedium · 45s
What number replaces the question mark? 2, 4, 8, 32, 256, ?
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.
Sequence raises to power doubling indices: 2¹, 2², 2³, 2⁵, 2⁸.Exponents are 1, 2, 3, 5, 8 — these are Fibonacci numbers.Next Fibonacci after 8 is 13, so next term = 2¹³ = 8192
Final Answer: Option C - 8192