Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · AlgebraMedium · 45s
@mg@:https://digitalbenchersfiles.s₃.ap-south-1.amazonaws.com/1755013799263Screenshot%202025-08-12%20at%209.19.50%20PM.png :@img@
TopicAlgebra
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Final Answer: Option B — 4