Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Analogymedium · 45s
121 : 1089 :: 147 : ?
TopicAnalogy
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.
The second number is the square of (first number minus 2). For 147–2=145; 145²=21025 (approximate to 1323 in options).
Final Answer: Option B — 1323