other govt exam CSIR Junior Secretariat Assistant (JSA) 2025 Mock Test Quantitative Aptitude Mixture Problems
If 49 litres of a milk solution has 63% milk in it, then how much milk should be added to make the concentration of milk 70% in the solution?
1
\(11\frac{{13}}{{30}}\) litres
2
\(14\frac{7}{{30}}\) litres
3
\(12\frac{{11}}{{30}}\) litres
4
\(13\frac{1}{{30}}\) litres