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 · PartnershipMedium · 45s
A vessel contains 80 liters of a mixture of acid and water in the ratio 7:1. How much water must be added to make the ratio 3:1?
TopicPartnership
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.
Apply mixture and allegation concepts to solve the problem.
Final Answer: Option B - 8 liters