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: (3/5 of 250) × (4/7 of 140)
TopicSimplification
Question Typemultiple choice
DifficultyHard
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Compute using BODMAS. (3/5 of 250) × (4/7 of 140) = 12000
Final Answer: Option D — 12000