IBPS Clerk Prelims 12-Dec-2021 Shift 2 Paper

There is a 120 L mixture of vinegar and water. The ratio of vinegar to water is 7 ∶ 5. A shopkeeper mixes a certain amount of water in order to make the ratio of vinegar to water 5 ∶ 6. The new quantity of water is what percentage of the original quantity of water in the mixture?