# CAT 2020 Question Paper | Quants Slot 3

###### CAT Previous Year Paper | CAT Quants Questions | Question 18

This question is from Mixtures and alligation. Two alcohol solutions are mixed in certain proportions. After that, some alteration has been done. We need to find the percentage of Alcohol in one of these two solutions. Mixtures and alligation is fairly simple idea. One can expect 2-3 questions from this topic in CAT Exam. Make sure you do not miss out on this easy topic your CAT Preparation. Practice CAT Question Paper with detailed video and text solutions, and take your Quant score a notch above.

Question 18 : Two alcohol solutions, A and B, are mixed in the proportion 1:3 by volume. The volume of the mixture is then doubled by adding solution A such that the resulting mixture has 72% alcohol. If solution A has 60% alcohol, then the percentage of alcohol in solution B is

1. 94%
2. 92%
3. 90%
4. 89%