6 litres of a 20% solution of alcohol in water is mixed with 4 litres of a 60% solution of alcohol in water. The % alcoholic strength of the mixture is?

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Solution

The correct option is B
36

% alcoholic strength in mixture = $\frac{6 * 20 + 4 * 60}{6 + 4} = 36 %$

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6 litres of a 20% solution of alcohol in water is mixed with 4 litres of a 60% solution of alcohol in water. The % alcoholic strength of the mixture is?

The correct option is B 36 % alcoholic strength in mixture =6∗20+4∗606+4=36%

The correct option is B
36

% alcoholic strength in mixture = $\frac{6 * 20 + 4 * 60}{6 + 4} = 36 %$