A trader buys 15 notebooks for ₹ 270 and sells them at ₹ 21 each. Find the profit percentage.
16.67%
The cost price per notebook is found by dividing the total cost by the number of notebooks.
\(\text{CP per notebook} = \frac{270}{15} = 18\)
The selling price per notebook is ₹21, so the profit per notebook is \(21 - 18 = 3\)
The profit percentage is calculated as \(\text{Profit \%} = \frac{3}{18} \times 100 = 16.67\%\)
Hence, the profit percentage is 16.67%.
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