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Mixtures and allegation

1. Alligation rule
Quantity of cheap = Price of dear – average price
Quantity of dear Average price – price of cheap
2. if a vessel contains ‘a’ litres of liquid A and if ‘b’ litres are withdrawn and replaced by liquid B then if ‘b’ litres of the mixture is again withdrawn and replaced by liquid B. the operation is repeated ‘n’ number of times then
Liquid a left in vessel = ((a-b)/a)^n
Initial liquid in vessel

Profit or loss

If the a and b are two successive discounts that have been given then effective discount rate will (a+b-(ab/100))


#44679    Author: nishant  15 Dec 2008 Member Level: Gold   Points : 1

it was cool but probavly it must be posted in the resources section

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