Solved UPSC CDS/OTA Question
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Q · Mixture and AlligationMedium · 45s
A mixture of 60 liters contains 25% kerosene. How much kerosene should be added so that it becomes 40% kerosene?
TopicMixture and Alligation
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
← Previous questionQ 30 / 30
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 C — 15 liters