Question

please answer this question very fast and fast and step by step and full explanation and the answer that will make the brain list and friends do not write the wastage answer and please help me for the correct answer please friends......

Answer 1

see let the amount of alcohol to be added x
then we are already having 60ml alcohol in 400 ml now acc. to question what we want is
$\frac{60 + x}{400 + x} \times 100 = 32$
solve for x and you will get 100ml your answer