Fast trick to solve the profit and loss.
Formula for loss % -
This formula will used whene profit and loss % are same.
Loss % = X 2 / 100
Example-
A shopkeeper sells two time watch in the same price , making a profit of '44%' on one and a loss '44%' on the other find the profit or loss %.
If profit and loss % are same then there must be a loss %
Putting the value in formula-Loss % = x 2 / 100
Loss % = 44 2 / 100 (where x = profit and loss %)
Loss % = 1936 / 100
Loss % = 19.36
Loss % will Be 19.36%.
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