Solved UPSC CDS/OTA Question
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Q · Ratio and ProportionMedium · 45s
A Flask contains a mixture of 98 litres of alcohol and water in the proportion 5:2. How much water (in liters) must be added to it so that the ratio of alcohol to water may be 7:5?
TopicRatio and Proportion
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Final Answer: Option B — 22