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 · SimplificationHard · 45s
Simplify: {[15 × (8 + 4)]²} ÷ 72
TopicSimplification
Question Typemultiple choice
DifficultyHard
Marking+1 / −0.33
Test Duration30 min
Q 1 / 30Next question →
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Compute using BODMAS. {[15 × (8 + 4)]²} ÷ 72 = 450
Final Answer: Option B — 450