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1. The marked price of a table is Rs. 800. A retailer bought it after two successive discounts of 10% and 15%. He spent Rs. 13 on transportation and sold it for Rs. 875. His profit was = ?

A. 40%

B. 37%

C. 28%

D. 25%

Solution:

\begin{aligned} Cost price for the retailer \\ = 800 \times \frac{90}{100} \times \frac{85}{100} + 13 \\ = 612 + 13 \\ =  Rs. 625 \\ Selling price  =  Rs . 875 \\ ∴ Profit % \\ = \frac{875 - 625}{625} \times 100 \\ = \frac{250}{625} \times 100 \\ = 40 % \end{aligned}

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