In a 120 litre of solution of Acid and water acid is 75 A person takes out 20 litres of this solutio...........

Quantitative Aptitiude (CLAT) Ratio, Proportion

In a 120 litre of solution of Acid and water, acid is 75%. A person takes out 20 litres of this solution and added 16.2 litres of acid and 3.8 litres of water in the remaining solution. What is the percentage of water in the final solution?

Explanation:

In 120 L solution , 75% is acid.
20 L removed then remaining solution = 100 L
In this 100L , 75L is acid (since 75% acid) and 25L is water.
After adding more acid and water ,
acid = 75+16.2 = 91.2 L
and water = 25+3.8 = 28.8 L
Water % = { 28.8 / (91.2+28.8) }*100
= (28.8/120)*100
= 288/12
= 24