2020 Quantitative Aptitude - Mixtures & Alligations

A bottle contains 20 litres of liquid A. 4 litres of liquid A is taken out of it and replaced by same quantity of liquid B. Again 4 litres of the mixture is taken out and replaced by same quantity of liquid B. What is the ratio of quantity of liquid A to that of liquid B in the final mixture?

  • 4:1
  • 5:1
  • 16:9
  • 17:8

Want to see the 360° AI Analysis?

Sign up for a free 7-day trial to see option elimination logic, concept maps, and AI-graded model answers for this question.

View Interactive Analysis
    2020 UPSC Quantitative Aptitude PYQ | UPSC Insights | UPSC Insights