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
Two cars from Lucknow left for Delhi at 7 : 30 and 8 : 30 am and traveled at 60 km/hr and 70 km/hr. How many km away from Delhi do they meet? The distance between Delhi and Lucknow is 580 km.
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/1755002820078Screenshot%202025-08-12%20at%206.16.45%20PM.png :@Img@
Final Answer: Option D — 360 km