Solved UPSC CDS/OTA Question
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Q · Mixture and AlligationMedium · 45s
A vessel has 60 litres of solution of acid and water having 80% acid. How much water be added to make it a solution in which acid forms 60% ?
TopicMixture and Alligation
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
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Final Answer: Option B - 20 liters