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1. The price of shirt is Rs. 440 and a customer pays Rs. 396 for it. The discount rate is ?

A. 10%

B. $10 \frac{1}{2} %$

C. 20%

D. 12%

Solution:

\begin{aligned} Discount % \\ = \frac{440 - 396}{440} \times 100 \\ = 10 % \end{aligned}

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