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 and WorkMedium · 45s
A, B and C can do some work in 36 days. A and B together do twice as much work as C alone and A and C together can do twice as much work as B alone. Find the time taken by C to do the whole work.
TopicTime and Work
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Final Answer: Option B — 96 days