https://preparationpoint.info/ppsc-past-papers-2021/assistant-paper-2021-mcqs/a-chemical-solution-contains-8-acid-if-there-is-15-ml-acid-in-the-solution-what-is-the-volume-of-the-solution/
A chemical solution contains 8% acid. if there is 15 ml acid in the solution. what is the volume of the solution?