A shopkeeper by selling 6 items, earns a profit equal to the selling price of 1 item. What is his profit percentage?
Let SP of 1 item = 10/-
SP of 6 items = 60/-
profit = SP of 1 item = 10/-
CP = SP-profit = 60-10 = 50/-
profit% = $$\frac{profit}{CP} \times 100 = \frac{10}{50} \times 100 = 20$$%
So the answer is option A.
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