A 50-litre mixture contains juice and water in the ratio 3:2. How much water (in litres) must be added to this mixture to change the ratio of juice to water to 3:4?

उत्तर देखें और व्याख्या

उत्तर: (D) 20 litres

व्याख्या

Juice 30 L, water 20 L. For 3 : 4 water must be 40 L, so add 20 L.