Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Alphabet Testmedium · 45s
Which letter completes the analogy? SAB, ?, QCD, PDD, OEF, NFF
TopicAlphabet Test
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 first letters descend alphabetically (S, R, Q, P, O, N); middle letters ascend (A, B, C, D, E, F); last letters are double letters B, D, F... So, the missing cluster is RBB.
Final Answer: Option D — RBB