railway RPF SI Mock Test Series 2024 Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
In what ratio must a mixture of 20% milk strength be mixed with that of 60% milk strength so as to get a new mixture of 25% milk strength?
1
7 : 1
2
4 : 1
3
5 : 2
4
9 : 2