Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
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Q · Missing Numbermedium · 45s
Find the missing number: 4, 7, 10, ?, 16, 19
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.
Increasing by 3 each time, missing number is 13.
Final Answer: Option B — 13