Question
A mixture of ink and water is in the ratio 6:4. If 15%
of the mixture is removed and replaced with water, what will be the new ratio of ink to water?Solution
Total quantity = 10x litres Ink = 10x × (6/10) = 6x litres Ink left = 6x × 0.85 = 5.1x litres Water = 10x - 5.1x = 4.9x litres Required ratio = 5.1x : 4.9x = 51 : 49
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