## Alligation and Mixture Concepts and Formulas## Points to remember:**Alligation:**It refers to a rule that helps to find the ratio in which two or more ingredients at a given price are mixed to produce a mixture of specified price.**Mean Price:**It is the cost price of a unit quantity of a mixture which is prepared by mixing two or more ingredients.**Alligation rule:**It says that if two ingredients at a given price are mixed to produce a mixture at the given price, the ratio of quantity of cheaper ingredient and quantity of dearer ingredient is given by;
Cheaper quantity: Dearer quantity: (d-m) :( m-c) ## Some quicker methods:1) A container contains x units of a liquid from which y units are taken out and replaced by water. Again from this mixture y units are taken out and replaced by water. If this process is repeated n times; Or, Quantity of pure liquid after n operation = 2) If n containers of equal capacity are filled with the mixture of liquids X and Y in the ratio x1: y 3) If n containers of different sizes (z Alligation and Mixture Aptitude Test Paper 1 Alligation and Mixture Aptitude Test Paper 2 |