Alligation And Mixture Important Formulas:

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Alligation And Mixture Important  Formulas:

1. Alligation:
It is the rule that enables us to find the ratio in which two or more ingredients at the given price must be mixed to produce a mixture of desired price.

2.Mean Price:
The cost of a unit quantity of the mixture is called the mean price.

3.Rule of Alligation:
If two ingredients are mixed, then

(Quantity of cheaper/Quantity of dearer) = (C.P. of dearer – Mean Price /Mean price – C.P. of cheaper)

4.Suppose a container contains x of liquid from which y units are taken out and replaced by water.
After n operations, the quantity of pure liquid =[x(1 -y/x)]n units.

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