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
Rishikant, during his journey, travels for 20 minutes at a speed of 30 km/h, another 30minutes at a speed of 50km/h, and 1 hours at a speed of 50 km/h and 1 hours at a speed at 60 km/h. What is the average velocity?.
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/1755003428690Screenshot%202025-08-12%20at%206.26.08%20PM.png :@Img@
Final Answer: Option A — 51.18 km/h