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In a mixture of 60 liters, the ratio of alcohol and water 2:1 If this ratio is to be 1:2, then the quantity of water to be further added is:

In a mixture of 60 liters, the ratio of alcohol and water 2:1 If this ratio is to be 1:2, then the quantity of water to be further added is:

Explanation

Let quantity of water to be added further be x litres.

Then, milk : water =                       40                           .

20 + x

Now,                     40                           =             1

20 + x    2

 20 + x = 80

 x = 60.

Quantity of water to be added = 60 litres.