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 · Time, Speed and DistanceMedium · 45s
Sambhu beats Kalu by 30 metres or 10 seconds. How much time was taken by Sambhu to complete a race 1200 metres?
TopicTime, Speed and Distance
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.
@Img@:https://digitalbenchersfiles.s₃.ap-south-1.amazonaws.com/1755003318843Screenshot%202025-08-12%20at%206.25.08%20PM.png :@Img@
Final Answer: Option A — 6 min 30 s