Reference for the Question No. 3
20% Water already in mixture. Pure water 100% is added to the mixture so that 40% water available in the mixutre.
Get Ratio from 60% and 20% - 3 : 1
120 liter total solution
So Calculate the ration with 120
120 x 1/3 = 40 Liter Water must be added to make it 40% in total Solution
20% Water already in mixture. Pure water 100% is added to the mixture so that 40% water available in the mixutre.
Get Ratio from 60% and 20% - 3 : 1
120 liter total solution
So Calculate the ration with 120
120 x 1/3 = 40 Liter Water must be added to make it 40% in total Solution

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