Question

A shopkeeper sells two sarees for Rs 1200 each. He earns a profit of 20% on one and suffers 20% loss on other. find his total profit or loss of the whole deal. Also calculate it as a percentage .

Answer 1

$x + y + \frac{xy}{100} \\ \\ where \: x = profit \: and \: y = loss \\ \\ = > 20 - 20 - \frac{20 \times 20}{100} \\ \\ = > - 4$

So, 4% loss in whole deal.