In a solution of 35 L, the ratio of milk to water is 4 : 1. If 7 L of water is added to the solution, then the ratio of milk to water in the resulting solution will be


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Taking base as water
1/5 * 35 + 1*7 = M*(35+7)
7 + 7 = 42M
M = 14/42 = 1/3
So 3:1


So 1:3 is water/total
Ratio of milk/water = 3-1/1 = 2:1


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