defence exam CISF Constable Driver 2025 Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
1
1 ∶ 2
2
2 ∶ 1
3
1 ∶ 3
4
2 ∶ 3