Question

15 litres of a mixture contain 20 percentage of alcohol and is distilled water is the 3 litres of water is added percentage of alcohol in the new mixture is

Answer 1

Mixture = 15 liter.

It contain 20% alcohal.

Alcohal = 20 % of 15 = 3 liter.

Water = 12 liter.

Now, 3 liter water is added,

Water become = 12 + 3 = 15 liter.

Toatl mixture = 15 + 3 = 18 liter.

Now, % of Alcohal into new mixture = (3*100/18) = 16.66%