Mixture and Alligation

Quantitative Aptitude (Insurance)

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In a 120 L of mixture of alcohol and water, percentage of alcohol is 65% only. 30 L of the mixture is taken out and some quantity of pure alcohol is added to the remaining mixture. As a result, the respective ratio of alcohol and water in the new mixture became 2 : 1. Find the quantity of pure alcohol added in mixture?

5 liter

4.5 liter

4 liter

6 liter

5.5 liter