Laptop buy at the discount of 20% and later sell at 40% profit what is the profit earned by trade?​

A) 10%

B) 12%

C) 14%

D) 16%

Let the original price be = 100

His purchase price  = 80

His selling price 80 * 140/ 100 = 112

This gives 12 percent profit on the original price

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  2. A shopkeeper sells one-third of his goods at a profit of 10%, another one-third at a profit of 20%, and the rest at a loss of 6% What is his overall profit percentage?
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