Civil Services UPSC EPFO (APFC) Mock Test 2023 Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
From a 100 kg mixture of tea and impurity, 25 kg of the mixture is taken out and replaced with same quantity of impurity. This process is repeated one more time and now the ratio of tea to impurity in the mixture becomes 9 : 11, then what is the initial ratio of tea to impurity in the mixture?
1
5 : 2
2
4 : 1
3
3 : 2
4
7 : 4