Mixture and Alligation Practice & Questions
Alligation provides a visual graphical shortcut for determining the proportion in which two ingredients of different prices or concentrations are blended.
Core Concepts in Mixture and Alligation
Questions from this topic consistently evaluate the following core principles across SSC, Railways, and Banking papers:
- Alligation cross-ratio rule
- Mean price / concentration positioning
- Repeated replacement formula for pure liquids
- Mixing solutions of varying milk-water ratios
Exam Speed Strategy & Shortcuts
- Ensure all three values (cheaper, dearer, mean) represent the same unit and reference baseline.
- Repeated withdrawal formula: Final Pure Quantity = Initial * (1 - x/C)^n.
Exams Testing Mixture and Alligation
Mastering this topic directly contributes to clearing cutoffs in these examinations: