This video explains the concept of Mixture and Alligation. It explains the rule of alligation and how it is used to solve the problems related to same in our daily life. It compares the standard method and alligation method of solving the mixture problems with the help of an example and shows how the alligation method is a quicker approach to the same. The video covers how do we calculate the quantity of two ingredients when individual price and mean price is given or find the mean value when the individual price and quantities of each are given. The video also describes and explains the formula to calculate how much ingredient is left if equal amounts are removed multiple times.