90% and 9are7% pure acid solutions are mixed to obtain 21 litres of 95% pure acid solution.Find the amount of each type of acid to be mixed to form the mixture?
Each and every person in this world are having "constant mind"...DIFFERENTIATE others mind and INTEGRATE urs.MATHEMATICS SIMPLY MAKES YOU UNSTOPPABLE !!!
VIBHAV ANAND
Stop the "differentiation" in society, it is "integration" what we need.